[INFO] cloning repository https://github.com/TonyNogueron/lexer_analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TonyNogueron/lexer_analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyNogueron%2Flexer_analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyNogueron%2Flexer_analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7c3d3d930a4f6312a044cc89b2909fa9b68a136
[INFO] checking TonyNogueron/lexer_analyzer against master#fe55364329579d361b1ab565728bc033a7dba07e for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonyNogueron%2Flexer_analyzer" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TonyNogueron/lexer_analyzer
[INFO] finished tweaking git repo https://github.com/TonyNogueron/lexer_analyzer
[INFO] tweaked toml for git repo https://github.com/TonyNogueron/lexer_analyzer written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TonyNogueron/lexer_analyzer on toolchain fe55364329579d361b1ab565728bc033a7dba07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TonyNogueron/lexer_analyzer 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" "+fe55364329579d361b1ab565728bc033a7dba07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c539fecd46cb59e0783fa811b61a2dcf82c0f9cb95dfcc09c725e5782bf391d
[INFO] running `Command { std: "docker" "start" "-a" "5c539fecd46cb59e0783fa811b61a2dcf82c0f9cb95dfcc09c725e5782bf391d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c539fecd46cb59e0783fa811b61a2dcf82c0f9cb95dfcc09c725e5782bf391d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c539fecd46cb59e0783fa811b61a2dcf82c0f9cb95dfcc09c725e5782bf391d", kill_on_drop: false }`
[INFO] [stdout] 5c539fecd46cb59e0783fa811b61a2dcf82c0f9cb95dfcc09c725e5782bf391d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b679bfa78a20a6cae981edaedccca006ec8d8f5e198b5e32f5389ba4c1844f0a
[INFO] running `Command { std: "docker" "start" "-a" "b679bfa78a20a6cae981edaedccca006ec8d8f5e198b5e32f5389ba4c1844f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr] error: could not compile `regex` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/fe55364329579d361b1ab565728bc033a7dba07e/bin/rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.7.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("aho-corasick", "default", "memchr", "pattern", "perf", "perf-cache", "perf-dfa", "perf-inline", "perf-literal", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unstable", "use_std"))' -C metadata=2fa26448683559a0 -C extra-filename=-68057546a468729f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-1e5d356e9d161efe.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-9819596a66e43e4f.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-90ac9012d68da547.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "b679bfa78a20a6cae981edaedccca006ec8d8f5e198b5e32f5389ba4c1844f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b679bfa78a20a6cae981edaedccca006ec8d8f5e198b5e32f5389ba4c1844f0a", kill_on_drop: false }`
[INFO] [stdout] b679bfa78a20a6cae981edaedccca006ec8d8f5e198b5e32f5389ba4c1844f0a