"post-install" & 'illegal instruction' warning installing ruby-2.7.0.catalina.bottle.1.tar.gz

brew install ruby results in the following output:

Warning: The post-install step did not complete successfully
You can try again using `brew postinstall ruby`
==> Caveats
By default, binaries installed by gem will be placed into:
  /usr/local/lib/ruby/gems/ruby: [BUG] Illegal instruction at 0x000000010573caaa
ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-darwin19]

-- Crash Report log information --------------------------------------------
   See Crash Report log file under the one of following:
     * ~/Library/Logs/DiagnosticReports
     * /Library/Logs/DiagnosticReports
   for more details.
Don't forget to include the above Crash Report log file in bug reports.

[IMPORTANT]
Don't forget to include the Crash Report log file under
DiagnosticReports directory in bug reports.

/bin

The crash report:

Process:               ruby [3754]
Path:                  /usr/local/Cellar/ruby/2.7.0/bin/ruby
Identifier:            ruby
Version:               0
Code Type:             X86-64 (Native)
Parent Process:        ruby [2110]
Responsible:           iTerm2 [300]
User ID:               501

Date/Time:             2020-03-23 07:27:47.645 +0000
OS Version:            Mac OS X 10.15.3 (19D76)
Report Version:        12
Anonymous UUID:        CAEEFD54-5DE1-CD79-57B7-A8BF06DBB77F

Sleep/Wake UUID:       C9D52241-916F-4388-BAB6-4C51A373095F

Time Awake Since Boot: 2900 seconds

System Integrity Protection: disabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_INSTRUCTION (SIGABRT)
Exception Codes:       0x0000000000000001, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Application Specific Information:
abort() called

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	0x00007fff6d3a17fa __pthread_kill + 10
1   libsystem_pthread.dylib       	0x00007fff6d463bc1 pthread_kill + 432
2   libsystem_c.dylib             	0x00007fff6d328a1c abort + 120
3   libruby.2.7.dylib             	0x0000000109b96d1a die + 9
4   libruby.2.7.dylib             	0x0000000109b96dff rb_bug_for_fatal_signal + 229
5   libruby.2.7.dylib             	0x0000000109c6cbd9 sigill + 82
6   libsystem_platform.dylib      	0x00007fff6d45842d _sigtramp + 29
7   libruby.2.7.dylib             	0x0000000109c7ab3b str_new0 + 222
8   libruby.2.7.dylib             	0x0000000109b5cc9f rb_ibf_load_iseq_complete + 3592
9   libruby.2.7.dylib             	0x0000000109b5d195 ibf_load_iseq + 145
10  libruby.2.7.dylib             	0x0000000109b5cbab rb_ibf_load_iseq_complete + 3348
11  libruby.2.7.dylib             	0x0000000109b5d195 ibf_load_iseq + 145
12  libruby.2.7.dylib             	0x0000000109b5d202 rb_iseq_ibf_load_bytes + 93
13  libruby.2.7.dylib             	0x0000000109ce29c7 rb_load_with_builtin_functions + 129
14  libruby.2.7.dylib             	0x0000000109bbfa13 rb_call_inits + 264
15  libruby.2.7.dylib             	0x0000000109b9cd44 ruby_setup + 210
16  libruby.2.7.dylib             	0x0000000109b9cd94 ruby_init + 9
17  ruby                          	0x0000000109b2ff05 main + 81
18  libdyld.dylib                 	0x00007fff6d25a7fd start + 1

Thread 1:
0   libsystem_kernel.dylib        	0x00007fff6d3a1896 poll + 10
1   libruby.2.7.dylib             	0x0000000109c9e7fd timer_pthread_fn + 107
2   libsystem_pthread.dylib       	0x00007fff6d463e65 _pthread_start + 148
3   libsystem_pthread.dylib       	0x00007fff6d45f83b thread_start + 15

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x0000000114d3adc0  rcx: 0x00007ffee60d0968  rdx: 0x0000000000000000
  rdi: 0x0000000000000307  rsi: 0x0000000000000006  rbp: 0x00007ffee60d0990  rsp: 0x00007ffee60d0968
   r8: 0x00000000000130a8   r9: 0x0000000000000000  r10: 0x0000000114d3adc0  r11: 0x0000000000000246
  r12: 0x0000000000000307  r13: 0x0000000000000000  r14: 0x0000000000000006  r15: 0x0000000000000016
  rip: 0x00007fff6d3a17fa  rfl: 0x0000000000000246  cr2: 0x0000700008cccff8
  
Logical CPU:     0
Error Code:      0x020000e6
Trap Number:     133


Binary Images:
       0x109b2e000 -        0x109b2ffff +ruby (0) <3446A5F0-50FE-3D18-83E8-EFA180CE0C99> /usr/local/opt/ruby/bin/ruby
       0x109b35000 -        0x109d84ff7 +libruby.2.7.dylib (0) <A5E33DBA-2BA0-32BC-A559-9C15F0CB68B3> /usr/local/Cellar/ruby/2.7.0/lib/libruby.2.7.dylib
       0x114c71000 -        0x114d01cb7  dyld (733.8) <EBC07CB6-870A-3A8E-B48A-67F62EA161F3> /usr/lib/dyld
    0x7fff318a7000 -     0x7fff318a7fff  com.apple.Accelerate (1.11 - Accelerate 1.11) <479607C6-EE4F-3471-BCFD-9A8677A509A3> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fff318bf000 -     0x7fff32166fc7  com.apple.vImage (8.1 - 524.2) <3A01D6DE-219E-3038-AE1D-98F0703996F4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fff32167000 -     0x7fff32300fef  libBLAS.dylib (1303.60.1) <331A9933-58D7-3575-A1B2-4255755FA645> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
    0x7fff32301000 -     0x7fff32507fff  libBNNS.dylib (144.40.3) <2432B08E-3DE5-3910-A0E5-0C68AF055E0C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
    0x7fff32509000 -     0x7fff328bdfff  libLAPACK.dylib (1303.60.1) <0918AC5B-DC2D-3878-90F9-4E16C4302FAB> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
    0x7fff328be000 -     0x7fff328d3ff8  libLinearAlgebra.dylib (1303.60.1) <A5F9CB86-1D36-330C-BD98-310D924FC1C2> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
    0x7fff328d4000 -     0x7fff328d9ff3  libQuadrature.dylib (7) <E0534024-B7E7-3382-830C-71E7BD9D3DE4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
    0x7fff328da000 -     0x7fff3294afff  libSparse.dylib (103) <533DFAE8-8458-31F4-8AE2-B73C3869CED2> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib
    0x7fff3294b000 -     0x7fff3295dff7  libSparseBLAS.dylib (1303.60.1) <EEC8A3FF-4DD2-3447-A6D9-5DFA716B767E> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
    0x7fff3295e000 -     0x7fff32af0fc7  libvDSP.dylib (735.40.1) <0C40F97B-FD6C-3324-91DC-947266F2A502> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
    0x7fff32af1000 -     0x7fff32c6bff7  libvMisc.dylib (735.40.1) <2AC65C58-463C-31D0-A130-040EFFE4792E> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
    0x7fff32c6c000 -     0x7fff32c6cfff  com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <22118F7C-4019-32CE-B8AF-50FFBF9BC050> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
    0x7fff343a7000 -     0x7fff34733ff6  com.apple.CFNetwork (1121.1.2 - 1121.1.2) <4E539AC8-A995-3BA8-AAD6-31D97DAE734B> /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
    0x7fff35c1a000 -     0x7fff3609afff  com.apple.CoreFoundation (6.9 - 1674.114) <9A91AEBF-6DA4-3238-870F-452FBD170EEA> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7fff3702e000 -     0x7fff3702efff  com.apple.CoreServices (1069.11 - 1069.11) <3BBDA17B-6F86-35F4-B785-AFA2A14B6F51> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
    0x7fff3702f000 -     0x7fff370b4fff  com.apple.AE (838 - 838) <877C7270-575A-3D5F-B768-4724037F025D> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
    0x7fff370b5000 -     0x7fff37396ff7  com.apple.CoreServices.CarbonCore (1217 - 1217) <DDC45E79-973C-3FB0-92EC-392A654179F5> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
    0x7fff37397000 -     0x7fff373e4ff5  com.apple.DictionaryServices (1.2 - 323.3.1) <A21D442C-E7B7-3A6C-BEEC-44B323AF9CB2> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
    0x7fff373e5000 -     0x7fff373edfff  com.apple.CoreServices.FSEvents (1268.60.1 - 1268.60.1) <8C772593-A2BA-33A7-BB43-49B9FCDD37CE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/FSEvents.framework/Versions/A/FSEvents
    0x7fff373ee000 -     0x7fff37627ff0  com.apple.LaunchServices (1069.11 - 1069.11) <7189EED9-9252-3030-AB32-6704AD9AEBAE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
    0x7fff37628000 -     0x7fff376c0ff9  com.apple.Metadata (10.7.0 - 2075.7) <AECD1E1F-1C1B-3C42-9ACD-596980F145C2> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
    0x7fff376c1000 -     0x7fff376eeff7  com.apple.CoreServices.OSServices (1069.11 - 1069.11) <67A2F664-DCA1-3FD6-B88E-CF020EA8C59D> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
    0x7fff376ef000 -     0x7fff37756fff  com.apple.SearchKit (1.4.1 - 1.4.1) <367BBFA7-F18C-34B6-B4C8-A244A125D5E0> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
    0x7fff37757000 -     0x7fff3777bff5  com.apple.coreservices.SharedFileList (131.4 - 131.4) <EB8F2B1B-B736-373F-B28B-E4E6F33A00C0> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SharedFileList.framework/Versions/A/SharedFileList
    0x7fff37fcb000 -     0x7fff37fd1fff  com.apple.DiskArbitration (2.7 - 2.7) <5BE0B036-DEAB-3191-8D44-B489F4D39EE1> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
    0x7fff38303000 -     0x7fff386cbffc  com.apple.Foundation (6.9 - 1674.114) <532BBAE7-F2BA-3779-94E0-BFEDF2D7AB38> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
    0x7fff38a43000 -     0x7fff38ae6ffb  com.apple.framework.IOKit (2.0.2 - 1726.80.1) <B63FE840-8E32-3429-A95D-AB466FE62104> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
    0x7fff3c350000 -     0x7fff3c35cffe  com.apple.NetFS (6.0 - 4.0) <0B2088AE-C16D-3FC3-9445-4EDAD2D51686> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
    0x7fff3ef22000 -     0x7fff3ef3efff  com.apple.CFOpenDirectory (10.15 - 220.40.1) <FF068FF7-C136-3A71-AD1F-B5170A918423> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
    0x7fff3ef3f000 -     0x7fff3ef4aff7  com.apple.OpenDirectory (10.15 - 220.40.1) <9448EC8E-8B76-3142-9540-C0752529762A> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory
    0x7fff42295000 -     0x7fff425e7ffa  com.apple.security (7.0 - 59306.80.4) <FA5EBA16-2B2B-3105-8A17-C8624C4B3BB3> /System/Library/Frameworks/Security.framework/Versions/A/Security
    0x7fff425e8000 -     0x7fff42671ff7  com.apple.securityfoundation (6.0 - 55236.60.1) <0129932D-89E5-3608-B22E-DB5F0B3C3DC4> /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
    0x7fff426a0000 -     0x7fff426a4ff0  com.apple.xpc.ServiceManagement (1.0 - 1) <2475707B-F909-33C4-AAB7-80DC8D2CB435> /System/Library/Frameworks/ServiceManagement.framework/Versions/A/ServiceManagement
    0x7fff43437000 -     0x7fff434a1fff  com.apple.SystemConfiguration (1.19 - 1.19) <61B73150-6D87-3E2F-A935-B957425CC992> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
    0x7fff4720c000 -     0x7fff472d0fe7  com.apple.APFS (1412.81.1 - 1412.81.1) <7EC14196-E481-35C0-94F0-09E5B81AD3E5> /System/Library/PrivateFrameworks/APFS.framework/Versions/A/APFS
    0x7fff48dc8000 -     0x7fff48dd7fef  com.apple.AppleFSCompression (119 - 1.0) <EEDA4040-1835-39A6-AC13-6CE35560C159> /System/Library/PrivateFrameworks/AppleFSCompression.framework/Versions/A/AppleFSCompression
    0x7fff4a57f000 -     0x7fff4a588ff3  com.apple.coreservices.BackgroundTaskManagement (1.0 - 104) <D0F2851A-521F-335A-B7C4-B1E39BB42DD7> /System/Library/PrivateFrameworks/BackgroundTaskManagement.framework/Versions/A/BackgroundTaskManagement
    0x7fff4d34f000 -     0x7fff4d35fff3  com.apple.CoreEmoji (1.0 - 107) <544182E2-893F-3975-AA70-26ADC637B3F1> /System/Library/PrivateFrameworks/CoreEmoji.framework/Versions/A/CoreEmoji
    0x7fff4d9b3000 -     0x7fff4da1dff0  com.apple.CoreNLP (1.0 - 213) <287973D6-1807-3A81-8F57-7BB39209F6C0> /System/Library/PrivateFrameworks/CoreNLP.framework/Versions/A/CoreNLP
    0x7fff4e63c000 -     0x7fff4e66aff7  com.apple.CSStore (1069.11 - 1069.11) <26602CC8-0080-3E85-A588-79CEF78D21E5> /System/Library/PrivateFrameworks/CoreServicesStore.framework/Versions/A/CoreServicesStore
    0x7fff5a76e000 -     0x7fff5a83cff5  com.apple.LanguageModeling (1.0 - 215.1) <B47A62F3-7F45-3A84-A856-C674D4613261> /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
    0x7fff5a83d000 -     0x7fff5a885ff7  com.apple.Lexicon-framework (1.0 - 72) <CD6D3F05-0647-348D-AED0-9566F968A954> /System/Library/PrivateFrameworks/Lexicon.framework/Versions/A/Lexicon
    0x7fff5a88c000 -     0x7fff5a890ff2  com.apple.LinguisticData (1.0 - 353.6.1) <91C3132C-EB52-32D6-9009-DE4B207ACE72> /System/Library/PrivateFrameworks/LinguisticData.framework/Versions/A/LinguisticData
    0x7fff5bbeb000 -     0x7fff5bc37fff  com.apple.spotlight.metadata.utilities (1.0 - 2075.7) <F7FA0F68-7E46-3461-9DA6-C55FBB85C799> /System/Library/PrivateFrameworks/MetadataUtilities.framework/Versions/A/MetadataUtilities
    0x7fff5c6eb000 -     0x7fff5c6f5fff  com.apple.NetAuth (6.2 - 6.2) <A400CD55-B3EA-371A-8BAB-FDDA87660AE4> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
    0x7fff6547d000 -     0x7fff6548dff3  com.apple.TCC (1.0 - 1) <A8308EDB-9AF7-3B6B-AAC3-143F91F58F1D> /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC
    0x7fff696fe000 -     0x7fff69700ff3  com.apple.loginsupport (1.0 - 1) <F2EC9213-901A-3657-A36A-DFD80BD8ABBC> /System/Library/PrivateFrameworks/login.framework/Versions/A/Frameworks/loginsupport.framework/Versions/A/loginsupport
    0x7fff69a61000 -     0x7fff69a96ff7  libCRFSuite.dylib (48) <31D98527-9972-3A4B-9868-C9394FAF742E> /usr/lib/libCRFSuite.dylib
    0x7fff69a99000 -     0x7fff69aa3ff3  libChineseTokenizer.dylib (34) <9E2B02B0-32A5-3245-AC50-F6BEEC34FCEC> /usr/lib/libChineseTokenizer.dylib
    0x7fff69b30000 -     0x7fff69b32ff7  libDiagnosticMessagesClient.dylib (112) <45E85899-039F-3B99-8789-F497DD9916C2> /usr/lib/libDiagnosticMessagesClient.dylib
    0x7fff69ff8000 -     0x7fff69ff9ff3  libSystem.B.dylib (1281) <A2C26908-8802-3CA7-8B74-ED4A74AA152C> /usr/lib/libSystem.B.dylib
    0x7fff6a088000 -     0x7fff6a089fff  libThaiTokenizer.dylib (3) <9E5B4E50-E982-387C-AA2F-BB43867322ED> /usr/lib/libThaiTokenizer.dylib
    0x7fff6a0a1000 -     0x7fff6a0b7fff  libapple_nghttp2.dylib (1.39.2) <C79E1B79-0BBE-311F-A177-6879D5C4D991> /usr/lib/libapple_nghttp2.dylib
    0x7fff6a0ec000 -     0x7fff6a15eff7  libarchive.2.dylib (72.40.2) <1AE0592D-8451-30D1-AEE8-3F39F46D9DD4> /usr/lib/libarchive.2.dylib
    0x7fff6a290000 -     0x7fff6a290ff3  libauto.dylib (187) <71A48A59-FE0E-3D86-A219-B79DAF7CF9DD> /usr/lib/libauto.dylib
    0x7fff6a357000 -     0x7fff6a367ff3  libbsm.0.dylib (60) <5EBEA671-D25B-3425-AC2B-70C2760B8B94> /usr/lib/libbsm.0.dylib
    0x7fff6a368000 -     0x7fff6a374fff  libbz2.1.0.dylib (44) <FA7CE29A-2FE3-3107-8693-5D33D5B7E11F> /usr/lib/libbz2.1.0.dylib
    0x7fff6a375000 -     0x7fff6a3c8ff7  libc++.1.dylib (800.7) <1D0CB627-8A78-329F-A679-1B5248FF4C59> /usr/lib/libc++.1.dylib
    0x7fff6a3c9000 -     0x7fff6a3ddfff  libc++abi.dylib (800.7) <7AF668FB-901D-3F45-BA0D-710A235A8D1F> /usr/lib/libc++abi.dylib
    0x7fff6a3de000 -     0x7fff6a3deffb  libcharset.1.dylib (59) <56F66234-104F-3494-B336-598800CF3F71> /usr/lib/libcharset.1.dylib
    0x7fff6a3df000 -     0x7fff6a3f0ffb  libcmph.dylib (8) <9B9AB2BA-75FB-3B70-AAE4-E32B06CF9D69> /usr/lib/libcmph.dylib
    0x7fff6a3f1000 -     0x7fff6a409ff7  libcompression.dylib (87) <A23B412C-48BA-385A-9263-B35F7BF44F4F> /usr/lib/libcompression.dylib
    0x7fff6a6d9000 -     0x7fff6a6efff7  libcoretls.dylib (167) <6D32CE15-591C-39AD-9A3E-0C2FFC03C3C1> /usr/lib/libcoretls.dylib
    0x7fff6a6f0000 -     0x7fff6a6f1fff  libcoretls_cfhelpers.dylib (167) <3CE60FA9-98FC-3EE0-B398-177F3CAA850D> /usr/lib/libcoretls_cfhelpers.dylib
    0x7fff6ae1a000 -     0x7fff6ae1afff  libenergytrace.dylib (21) <8E5C9BB2-14F4-37DF-AAE7-8130EBF466A3> /usr/lib/libenergytrace.dylib
    0x7fff6ae42000 -     0x7fff6ae44fff  libfakelink.dylib (149) <7296A5B3-EE44-34E6-810A-2A12C2D3EF68> /usr/lib/libfakelink.dylib
    0x7fff6ae53000 -     0x7fff6ae58fff  libgermantok.dylib (24) <7B3FFFFB-5E34-3940-8E0A-B64A2DE42E68> /usr/lib/libgermantok.dylib
    0x7fff6ae63000 -     0x7fff6af53ff7  libiconv.2.dylib (59) <30414773-5E42-3976-B7C3-9BB8883792EE> /usr/lib/libiconv.2.dylib
    0x7fff6af54000 -     0x7fff6b1acff7  libicucore.A.dylib (64252.0.1) <0F9294A7-6EC0-3279-BF92-3233C89DFA0A> /usr/lib/libicucore.A.dylib
    0x7fff6b1c6000 -     0x7fff6b1c7fff  liblangid.dylib (133) <EDF945D6-A37D-3DEB-B956-B4745269603D> /usr/lib/liblangid.dylib
    0x7fff6b1c8000 -     0x7fff6b1e0ff3  liblzma.5.dylib (16) <F75FB525-C702-3A7E-9239-28D57E677DD5> /usr/lib/liblzma.5.dylib
    0x7fff6b1f8000 -     0x7fff6b29ffff  libmecab.dylib (883.1.1) <A2C923A6-D955-3FF1-82AE-7E54947F9566> /usr/lib/libmecab.dylib
    0x7fff6b2a0000 -     0x7fff6b502fe1  libmecabra.dylib (883.1.1) <971A30D4-1C27-3DD1-AACF-8337AE059F70> /usr/lib/libmecabra.dylib
    0x7fff6b9d0000 -     0x7fff6be46ff7  libnetwork.dylib (1880.60.5) <8B4092C3-9F1C-34C3-A73D-A2228C345831> /usr/lib/libnetwork.dylib
    0x7fff6bee5000 -     0x7fff6bf17ff6  libobjc.A.dylib (781.2) <99501DBA-94BF-35A1-A85D-189A4C38CABF> /usr/lib/libobjc.A.dylib
    0x7fff6bf2a000 -     0x7fff6bf2efff  libpam.2.dylib (25) <55302451-C2B2-3DB4-9092-B84E236104DA> /usr/lib/libpam.2.dylib
    0x7fff6bf31000 -     0x7fff6bf67ff7  libpcap.A.dylib (89.60.2) <FD167BF3-6984-36E1-9D93-E8B98E3E64A1> /usr/lib/libpcap.A.dylib
    0x7fff6c05d000 -     0x7fff6c23eff7  libsqlite3.dylib (308.4) <08CF1AFB-5453-36C4-8CB4-F41D2B8CA94A> /usr/lib/libsqlite3.dylib
    0x7fff6c490000 -     0x7fff6c493ffb  libutil.dylib (57) <6CB26E6D-AD27-3FA8-8A30-4AFC3A2AE3F9> /usr/lib/libutil.dylib
    0x7fff6c494000 -     0x7fff6c4a1fff  libxar.1.dylib (420) <317EA455-78EE-35A4-B63F-D85993B8697C> /usr/lib/libxar.1.dylib
    0x7fff6c4a7000 -     0x7fff6c589ff7  libxml2.2.dylib (32.14) <4F4EB304-2AA5-3E5F-AB24-F645E0D16EFC> /usr/lib/libxml2.2.dylib
    0x7fff6c58d000 -     0x7fff6c5b5fff  libxslt.1.dylib (16.7) <E9BBE609-BA57-368D-95D7-ACA3A8C1AE8B> /usr/lib/libxslt.1.dylib
    0x7fff6c5b6000 -     0x7fff6c5c8ffb  libz.1.dylib (76) <52250917-039C-3B46-8011-497FEACF3550> /usr/lib/libz.1.dylib
    0x7fff6d02c000 -     0x7fff6d031ff3  libcache.dylib (83) <11C19883-6F99-390D-AF2A-A85A99DDFC48> /usr/lib/system/libcache.dylib
    0x7fff6d032000 -     0x7fff6d03dfff  libcommonCrypto.dylib (60165) <FEE99884-61F0-3332-852B-B0BB8EFF2288> /usr/lib/system/libcommonCrypto.dylib
    0x7fff6d03e000 -     0x7fff6d045fff  libcompiler_rt.dylib (101.2) <D7367E6D-A27D-3209-A3DB-A6F44582E502> /usr/lib/system/libcompiler_rt.dylib
    0x7fff6d046000 -     0x7fff6d04ffff  libcopyfile.dylib (166.40.1) <91670D15-CB30-3277-8AA9-9A299CEAAE27> /usr/lib/system/libcopyfile.dylib
    0x7fff6d050000 -     0x7fff6d0e7fdb  libcorecrypto.dylib (866.80.2) <3B110D82-B403-31E8-8109-8BBC79C928CE> /usr/lib/system/libcorecrypto.dylib
    0x7fff6d1fe000 -     0x7fff6d23fff0  libdispatch.dylib (1173.60.1) <5EF42E98-AD0D-3FAE-ABD4-46D791B8343F> /usr/lib/system/libdispatch.dylib
    0x7fff6d240000 -     0x7fff6d275ff7  libdyld.dylib (733.8) <8B0DFE8A-42CF-32C8-B121-83C22BF25F69> /usr/lib/system/libdyld.dylib
    0x7fff6d276000 -     0x7fff6d276ffb  libkeymgr.dylib (30) <7DADC026-70A8-390F-95AF-F3F345760F24> /usr/lib/system/libkeymgr.dylib
    0x7fff6d277000 -     0x7fff6d283ff7  libkxld.dylib (6153.81.5) <7572CC82-E7E1-3C38-825F-9B34E2EADAD0> /usr/lib/system/libkxld.dylib
    0x7fff6d284000 -     0x7fff6d284ff7  liblaunch.dylib (1738.80.8) <C4EA8803-E506-3514-9839-9BBECC819953> /usr/lib/system/liblaunch.dylib
    0x7fff6d285000 -     0x7fff6d28aff7  libmacho.dylib (949.0.1) <395ABE7C-D2B1-343D-A451-9CEA98FDC12E> /usr/lib/system/libmacho.dylib
    0x7fff6d28b000 -     0x7fff6d28dff7  libquarantine.dylib (110.40.3) <560961FC-1FEF-3F07-8406-17A36558870E> /usr/lib/system/libquarantine.dylib
    0x7fff6d28e000 -     0x7fff6d28fff7  libremovefile.dylib (48) <E99833DE-CB1D-31AB-A948-2739AF503599> /usr/lib/system/libremovefile.dylib
    0x7fff6d290000 -     0x7fff6d2a7fff  libsystem_asl.dylib (377.60.2) <21A259BC-F892-34EB-9A67-11232AD8913A> /usr/lib/system/libsystem_asl.dylib
    0x7fff6d2a8000 -     0x7fff6d2a8fff  libsystem_blocks.dylib (74) <8B23F806-8153-3163-B5D8-2C3327E211D8> /usr/lib/system/libsystem_blocks.dylib
    0x7fff6d2a9000 -     0x7fff6d330ff7  libsystem_c.dylib (1353.60.8) <99202CC3-2E27-3680-A8FF-5C516C485E90> /usr/lib/system/libsystem_c.dylib
    0x7fff6d331000 -     0x7fff6d334ffb  libsystem_configuration.dylib (1061.80.3) <8A149700-51AA-3205-A9D4-FF2A7BFC5412> /usr/lib/system/libsystem_configuration.dylib
    0x7fff6d335000 -     0x7fff6d338ff7  libsystem_coreservices.dylib (114) <CCC076FA-310D-3FC9-950D-41E0F8DDA5D2> /usr/lib/system/libsystem_coreservices.dylib
    0x7fff6d339000 -     0x7fff6d341fff  libsystem_darwin.dylib (1353.60.8) <31ACD3CC-6DD9-3F2E-B163-9342BE1D0AB0> /usr/lib/system/libsystem_darwin.dylib
    0x7fff6d342000 -     0x7fff6d349ffb  libsystem_dnssd.dylib (1096.60.2) <BEBB815A-065A-365E-9701-8E05A8CF2040> /usr/lib/system/libsystem_dnssd.dylib
    0x7fff6d34a000 -     0x7fff6d34bffb  libsystem_featureflags.dylib (17) <340AD606-7C39-3E6A-BAC3-EA1273FC27A4> /usr/lib/system/libsystem_featureflags.dylib
    0x7fff6d34c000 -     0x7fff6d399fff  libsystem_info.dylib (538) <B0EBAE05-01AD-3D8E-92CC-5704394FF94A> /usr/lib/system/libsystem_info.dylib
    0x7fff6d39a000 -     0x7fff6d3c6ff7  libsystem_kernel.dylib (6153.81.5) <23909F45-79C3-34C9-A28F-337915925E5E> /usr/lib/system/libsystem_kernel.dylib
    0x7fff6d3c7000 -     0x7fff6d413fff  libsystem_m.dylib (3178) <5236DC09-35C8-31A4-AE2A-92DA3DF30FE6> /usr/lib/system/libsystem_m.dylib
    0x7fff6d414000 -     0x7fff6d43bfff  libsystem_malloc.dylib (283.60.1) <00190446-C6A8-3EA6-92D1-850EA85C84CE> /usr/lib/system/libsystem_malloc.dylib
    0x7fff6d43c000 -     0x7fff6d449ffb  libsystem_networkextension.dylib (1095.60.2) <1E7A59D0-BBCD-3CB0-8AD1-D442A1A5268E> /usr/lib/system/libsystem_networkextension.dylib
    0x7fff6d44a000 -     0x7fff6d453ff3  libsystem_notify.dylib (241) <AB3FAC47-A830-3158-8D99-DBC728CED1D6> /usr/lib/system/libsystem_notify.dylib
    0x7fff6d454000 -     0x7fff6d45dfef  libsystem_platform.dylib (220) <3DAFCC01-B768-3FFC-AC59-47AAE86BBEA1> /usr/lib/system/libsystem_platform.dylib
    0x7fff6d45e000 -     0x7fff6d468fff  libsystem_pthread.dylib (416.60.2) <AAF506F4-9455-3CC4-8E0B-6791E3C0993C> /usr/lib/system/libsystem_pthread.dylib
    0x7fff6d469000 -     0x7fff6d46dfff  libsystem_sandbox.dylib (1217.80.1) <C8F3841A-9364-3414-9E3F-9DE3D5FECF0C> /usr/lib/system/libsystem_sandbox.dylib
    0x7fff6d46e000 -     0x7fff6d470fff  libsystem_secinit.dylib (62.80.1) <32F36517-9A1C-3D30-85C8-611A2F5E2355> /usr/lib/system/libsystem_secinit.dylib
    0x7fff6d471000 -     0x7fff6d478ffb  libsystem_symptoms.dylib (1238.60.1) <2EDF9CE8-4091-30A8-B125-0F25E579694A> /usr/lib/system/libsystem_symptoms.dylib
    0x7fff6d479000 -     0x7fff6d48fff2  libsystem_trace.dylib (1147.80.3) <AE11B1AC-352A-37F0-BCA9-055609070104> /usr/lib/system/libsystem_trace.dylib
    0x7fff6d491000 -     0x7fff6d496ffb  libunwind.dylib (35.4) <E867ACDE-EADE-3C91-A2A4-0C401788FD47> /usr/lib/system/libunwind.dylib
    0x7fff6d497000 -     0x7fff6d4ccffe  libxpc.dylib (1738.80.8) <51E3E807-9133-3605-BB5F-D59ED6404ABF> /usr/lib/system/libxpc.dylib

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 1468
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=423.7M resident=0K(0%) swapped_out_or_unallocated=423.7M(100%)
Writable regions: Total=80.2M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=80.2M(100%)
 
                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Kernel Alloc Once                    8K        1 
MALLOC                            51.3M       14 
MALLOC guard page                   16K        4 
STACK GUARD                       56.0M        2 
Stack                             8712K        2 
VM_ALLOCATE                       20.2M       64 
__DATA                            6083K      122 
__DATA_CONST                        48K        3 
__LINKEDIT                       354.1M        4 
__OBJC_RO                         32.0M        1 
__OBJC_RW                         1780K        2 
__TEXT                            69.6M      121 
__UNICODE                          564K        1 
mapped file                       2944K        3 
shared memory                        8K        2 
===========                     =======  ======= 
TOTAL                            603.0M      346 

brew postinstall ruby -d outputs the following:

/usr/local/Homebrew/Library/Homebrew/brew.rb (Formulary::FormulaLoader): loading /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/ruby.rb
==> Postinstalling ruby
Warning: The post-install step did not complete successfully
You can try again using `brew postinstall ruby`
==> An exception occurred within a child process:
  Errno::ENAMETOOLONG: File n
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb:239:in `mkdir'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb:239:in `fu_mkdir'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb:217:in `block (2 levels) in mkdir_p'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb:215:in `reverse_each'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb:215:in `block in mkdir_p'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb:200:in `each'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/fileutils.rb:200:in `mkdir_p'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/pathname.rb:578:in `mkpath'
/usr/local/Homebrew/Library/Homebrew/extend/pathname.rb:141:in `install_symlink_p'
/usr/local/Homebrew/Library/Homebrew/extend/pathname.rb:131:in `block (2 levels) in install_symlink'
/usr/local/Homebrew/Library/Homebrew/extend/pathname.rb:131:in `each'
/usr/local/Homebrew/Library/Homebrew/extend/pathname.rb:131:in `block in install_symlink'
/usr/local/Homebrew/Library/Homebrew/extend/pathname.rb:128:in `each'
/usr/local/Homebrew/Library/Homebrew/extend/pathname.rb:128:in `install_symlink'
/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/ruby.rb:114:in `post_install'
/usr/local/Homebrew/Library/Homebrew/formula.rb:1010:in `block (2 levels) in run_post_install'
/usr/local/Homebrew/Library/Homebrew/formula.rb:865:in `with_logging'
/usr/local/Homebrew/Library/Homebrew/formula.rb:1009:in `block in run_post_install'
/usr/local/Homebrew/Library/Homebrew/utils.rb:478:in `with_env'
/usr/local/Homebrew/Library/Homebrew/formula.rb:999:in `run_post_install'
/usr/local/Homebrew/Library/Homebrew/postinstall.rb:21:in `<main>'

Any bright spark out there know what’s going on here? :sweat: Thanks

https://discourse.brew.sh/t/almost-all-applications-crash-with-illegal-hardware-instruction-on-old-2009-macbook-pro/4089/6?u=ashim13