[INFO] cloning repository https://github.com/WhyANameYouKnow/cb-4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WhyANameYouKnow/cb-4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhyANameYouKnow%2Fcb-4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhyANameYouKnow%2Fcb-4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09a4ffad682c9e06fb62980ea61de8ba3d0e4711
[INFO] checking WhyANameYouKnow/cb-4 against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhyANameYouKnow%2Fcb-4" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WhyANameYouKnow/cb-4 on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WhyANameYouKnow/cb-4
[INFO] finished tweaking git repo https://github.com/WhyANameYouKnow/cb-4
[INFO] tweaked toml for git repo https://github.com/WhyANameYouKnow/cb-4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/WhyANameYouKnow/cb-4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-bison-skeleton v0.41.0
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d653a5627f540140c4d9341a9a229084037834b165123beca21129792c024e
[INFO] running `Command { std: "docker" "start" "-a" "a1d653a5627f540140c4d9341a9a229084037834b165123beca21129792c024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d653a5627f540140c4d9341a9a229084037834b165123beca21129792c024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d653a5627f540140c4d9341a9a229084037834b165123beca21129792c024e", kill_on_drop: false }`
[INFO] [stdout] a1d653a5627f540140c4d9341a9a229084037834b165123beca21129792c024e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a2e450414a0d581faa587157137298437c21cc798cf1f864ec080e47d9e89f2
[INFO] running `Command { std: "docker" "start" "-a" "7a2e450414a0d581faa587157137298437c21cc798cf1f864ec080e47d9e89f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling rust-bison-skeleton v0.41.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling cb-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `cb-4 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cb-4-ec12849e4480616f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CARGO_MANIFEST_DIR = "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rust-bison-skeleton-0.41.0"
[INFO] [stderr]   file = "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rust-bison-skeleton-0.41.0/src/lib.rs"
[INFO] [stderr]   current dir = Ok("/opt/rustwide/workdir")
[INFO] [stderr]   Bison error:
[INFO] [stderr]   src/parser/minako_syntax.y:59.21-22: error: invalid characters: '::'
[INFO] [stderr]      59 | program             ::= ( declassignment ";"
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:59.25: error: invalid character: '('
[INFO] [stderr]      59 | program             ::= ( declassignment ";"
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:63.46: error: invalid character: ')'
[INFO] [stderr]      63 | 			| functiondefinition ) program
[INFO] [stderr]         |                                              ^
[INFO] [stderr]   src/parser/minako_syntax.y:71.21-22: error: invalid characters: '::'
[INFO] [stderr]      71 | functiondefinition  ::= type id "(" parameterlist ")" "{" statementli...
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:76.25-78.25: error: unexpected {...}
[INFO] [stderr]      76 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:79.21-22: error: invalid characters: '::'
[INFO] [stderr]      79 | parameterlist       ::= type id  "," parameterlist
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:84.25-86.25: error: unexpected {...}
[INFO] [stderr]      84 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:87.21-22: error: invalid characters: '::'
[INFO] [stderr]      87 | functioncall        ::= id "(" assignment assignmentincrease ")"
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:91.45: error: invalid character: '('
[INFO] [stderr]      91 | 			| id "(" assignment ( "," assignment )* ")"
[INFO] [stderr]         |                                             ^
[INFO] [stderr]   src/parser/minako_syntax.y:91.62: error: invalid character: ')'
[INFO] [stderr]      91 | 			| id "(" assignment ( "," assignment )* ")"
[INFO] [stderr]         |                                                              ^
[INFO] [stderr]   src/parser/minako_syntax.y:91.63: error: invalid character: '*'
[INFO] [stderr]      91 | 			| id "(" assignment ( "," assignment )* ")"
[INFO] [stderr]         |                                                               ^
[INFO] [stderr]   src/parser/minako_syntax.y:96.25-98.25: error: unexpected {...}
[INFO] [stderr]      96 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:99.21-22: error: invalid characters: '::'
[INFO] [stderr]      99 | assignmentincrease  ::= "," assignment assignmentincrease
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:107.21-22: error: invalid characters: '::'
[INFO] [stderr]     107 | statementlist       ::= block statementlist
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:115.21-22: error: invalid characters: '::'
[INFO] [stderr]     115 | block               ::= "{" statementlist "}"
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:120.25-122.25: error: unexpected {...}
[INFO] [stderr]     120 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:123.21-22: error: invalid characters: '::'
[INFO] [stderr]     123 | statement           ::= ifstatement
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:156.25-158.25: error: unexpected {...}
[INFO] [stderr]     156 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:159.21-22: error: invalid characters: '::'
[INFO] [stderr]     159 | statblock           ::= "{" statementlist "}"
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:164.25-166.25: error: unexpected {...}
[INFO] [stderr]     164 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:167.21-22: error: invalid characters: '::'
[INFO] [stderr]     167 | ifstatement         ::= KW_IF "(" assignment ")" statblock ( KW_ELSE ...
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:167.60: error: invalid character: '('
[INFO] [stderr]     167 | ifstatement         ::= KW_IF "(" assignment ")" statblock ( KW_ELSE ...
[INFO] [stderr]         |                                                            ^
[INFO] [stderr]   src/parser/minako_syntax.y:167.80: error: invalid character: ')'
[INFO] [stderr]     167 | ...tatblock )
[INFO] [stderr]         |             ^
[INFO] [stderr]   src/parser/minako_syntax.y:172.25-174.25: error: unexpected {...}
[INFO] [stderr]     172 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:175.21-22: error: invalid characters: '::'
[INFO] [stderr]     175 | forstatement        ::= KW_FOR "(" ( statassignment | declassignment ...
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:175.36: error: invalid character: '('
[INFO] [stderr]     175 | forstatement        ::= KW_FOR "(" ( statassignment | declassignment ...
[INFO] [stderr]         |                                    ^
[INFO] [stderr]   src/parser/minako_syntax.y:175.70: error: invalid character: ')'
[INFO] [stderr]     175 | forstatement        ::= KW_FOR "(" ( statassignment | declassignment ...
[INFO] [stderr]         |                                                                      ^
[INFO] [stderr]   src/parser/minako_syntax.y:179.21-22: error: invalid characters: '::'
[INFO] [stderr]     179 | dowhilestatement    ::= KW_DO statblock KW_WHILE "(" assignment ")";
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:180.25-182.25: error: unexpected {...}
[INFO] [stderr]     180 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:183.21-22: error: invalid characters: '::'
[INFO] [stderr]     183 | whilestatement      ::= KW_WHILE "(" assignment ")" statblock;
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:184.25-186.25: error: unexpected {...}
[INFO] [stderr]     184 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:187.21-22: error: invalid characters: '::'
[INFO] [stderr]     187 | returnstatement     ::= KW_RETURN ( assignment )
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:187.35: error: invalid character: '('
[INFO] [stderr]     187 | returnstatement     ::= KW_RETURN ( assignment )
[INFO] [stderr]         |                                   ^
[INFO] [stderr]   src/parser/minako_syntax.y:187.48: error: invalid character: ')'
[INFO] [stderr]     187 | returnstatement     ::= KW_RETURN ( assignment )
[INFO] [stderr]         |                                                ^
[INFO] [stderr]   src/parser/minako_syntax.y:192.25-194.49: error: unexpected {...}
[INFO] [stderr]     192 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:195.21-22: error: invalid characters: '::'
[INFO] [stderr]     195 | printf              ::= KW_PRINTF "(" (assignment | CONST_STRING) ")";
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:195.39: error: invalid character: '('
[INFO] [stderr]     195 | printf              ::= KW_PRINTF "(" (assignment | CONST_STRING) ")";
[INFO] [stderr]         |                                       ^
[INFO] [stderr]   src/parser/minako_syntax.y:195.65: error: invalid character: ')'
[INFO] [stderr]     195 | printf              ::= KW_PRINTF "(" (assignment | CONST_STRING) ")";
[INFO] [stderr]         |                                                                 ^
[INFO] [stderr]   src/parser/minako_syntax.y:196.25-198.25: error: unexpected {...}
[INFO] [stderr]     196 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:199.21-22: error: invalid characters: '::'
[INFO] [stderr]     199 | declassignment      ::= type id ( "=" assignment )
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:199.33: error: invalid character: '('
[INFO] [stderr]     199 | declassignment      ::= type id ( "=" assignment )
[INFO] [stderr]         |                                 ^
[INFO] [stderr]   src/parser/minako_syntax.y:199.50: error: invalid character: ')'
[INFO] [stderr]     199 | declassignment      ::= type id ( "=" assignment )
[INFO] [stderr]         |                                                  ^
[INFO] [stderr]   src/parser/minako_syntax.y:204.25-206.25: error: unexpected {...}
[INFO] [stderr]     204 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:207.21-22: error: invalid characters: '::'
[INFO] [stderr]     207 | statassignment      ::= id "=" assignment;
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:208.25-210.25: error: unexpected {...}
[INFO] [stderr]     208 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:211.21-22: error: invalid characters: '::'
[INFO] [stderr]     211 | assignment          ::= id "=" assignment
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:216.25-218.25: error: unexpected {...}
[INFO] [stderr]     216 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:219.21-22: error: invalid characters: '::'
[INFO] [stderr]     219 | expr                ::= simpexpr ( "==" simpexpr | "!=" simpexpr | "<...
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:219.34: error: invalid character: '('
[INFO] [stderr]     219 | expr                ::= simpexpr ( "==" simpexpr | "!=" simpexpr | "<...
[INFO] [stderr]         |                                  ^
[INFO] [stderr]   src/parser/minako_syntax.y:219.128: error: invalid character: ')'
[INFO] [stderr]     219 | ...simpexpr )
[INFO] [stderr]         |             ^
[INFO] [stderr]   src/parser/minako_syntax.y:224.25-226.25: error: unexpected {...}
[INFO] [stderr]     224 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:227.21-22: error: invalid characters: '::'
[INFO] [stderr]     227 | simpexpr            ::= ( "-" term | term ) simpexprinc;
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:227.25: error: invalid character: '('
[INFO] [stderr]     227 | simpexpr            ::= ( "-" term | term ) simpexprinc;
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:227.43: error: invalid character: ')'
[INFO] [stderr]     227 | simpexpr            ::= ( "-" term | term ) simpexprinc;
[INFO] [stderr]         |                                           ^
[INFO] [stderr]   src/parser/minako_syntax.y:228.25-230.25: error: unexpected {...}
[INFO] [stderr]     228 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:231.21-22: error: invalid characters: '::'
[INFO] [stderr]     231 | simpexprinc	    ::= ( "+" term | "-" term | "||" term ) (simpexpr...
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:231.25: error: invalid character: '('
[INFO] [stderr]     231 | simpexprinc	    ::= ( "+" term | "-" term | "||" term ) (simpexpr...
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:231.59: error: invalid character: ')'
[INFO] [stderr]     231 | simpexprinc	    ::= ( "+" term | "-" term | "||" term ) (simpexpr...
[INFO] [stderr]         |                                                           ^
[INFO] [stderr]   src/parser/minako_syntax.y:231.61: error: invalid character: '('
[INFO] [stderr]     231 | simpexprinc	    ::= ( "+" term | "-" term | "||" term ) (simpexpr...
[INFO] [stderr]         |                                                             ^
[INFO] [stderr]   src/parser/minako_syntax.y:231.82: error: invalid character: ')'
[INFO] [stderr]     231 | ... | %empty)
[INFO] [stderr]         |             ^
[INFO] [stderr]   src/parser/minako_syntax.y:235.21-22: error: invalid characters: '::'
[INFO] [stderr]     235 | term                ::= factor ( "*" | "/" | "&&") term
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:235.32: error: invalid character: '('
[INFO] [stderr]     235 | term                ::= factor ( "*" | "/" | "&&") term
[INFO] [stderr]         |                                ^
[INFO] [stderr]   src/parser/minako_syntax.y:235.50: error: invalid character: ')'
[INFO] [stderr]     235 | term                ::= factor ( "*" | "/" | "&&") term
[INFO] [stderr]         |                                                  ^
[INFO] [stderr]   src/parser/minako_syntax.y:240.25-242.25: error: unexpected {...}
[INFO] [stderr]     240 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:243.21-22: error: invalid characters: '::'
[INFO] [stderr]     243 | factor              ::= CONST_INT
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:264.25-266.25: error: unexpected {...}
[INFO] [stderr]     264 | 			{
[INFO] [stderr]         |                         ^
[INFO] [stderr]   src/parser/minako_syntax.y:267.21-22: error: invalid characters: '::'
[INFO] [stderr]     267 | type                ::= KW_BOOLEAN
[INFO] [stderr]         |                     ^~
[INFO] [stderr]   src/parser/minako_syntax.y:283.21-22: error: invalid characters: '::'
[INFO] [stderr]     283 | id                  ::= ID
[INFO] [stderr]         |                     ^~
[INFO] [stderr] 
[INFO] [stderr]   exiting with 1
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a2e450414a0d581faa587157137298437c21cc798cf1f864ec080e47d9e89f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2e450414a0d581faa587157137298437c21cc798cf1f864ec080e47d9e89f2", kill_on_drop: false }`
[INFO] [stdout] 7a2e450414a0d581faa587157137298437c21cc798cf1f864ec080e47d9e89f2