[INFO] cloning repository https://github.com/piperswe/nix_evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piperswe/nix_evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiperswe%2Fnix_evaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiperswe%2Fnix_evaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6696d48d0c6549a66e286c27db2ccc74a47d8cb
[INFO] testing piperswe/nix_evaluator against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiperswe%2Fnix_evaluator" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/piperswe/nix_evaluator on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/piperswe/nix_evaluator
[INFO] finished tweaking git repo https://github.com/piperswe/nix_evaluator
[INFO] tweaked toml for git repo https://github.com/piperswe/nix_evaluator written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/piperswe/nix_evaluator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2259c97b87941aafd4f4eb676d272d9eea1368ccccb4c9c9408ca2c3f7fa4fb2
[INFO] running `Command { std: "docker" "start" "-a" "2259c97b87941aafd4f4eb676d272d9eea1368ccccb4c9c9408ca2c3f7fa4fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2259c97b87941aafd4f4eb676d272d9eea1368ccccb4c9c9408ca2c3f7fa4fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2259c97b87941aafd4f4eb676d272d9eea1368ccccb4c9c9408ca2c3f7fa4fb2", kill_on_drop: false }`
[INFO] [stdout] 2259c97b87941aafd4f4eb676d272d9eea1368ccccb4c9c9408ca2c3f7fa4fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc1a7bfd53900446912b1511a1efdebc87fa06d6f42cf474cd4570d560530f8e
[INFO] running `Command { std: "docker" "start" "-a" "bc1a7bfd53900446912b1511a1efdebc87fa06d6f42cf474cd4570d560530f8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling countme v2.0.4
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling archery v0.4.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.5.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -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"' -C metadata=dd9363dd410b6a25 -C extra-filename=-dd9363dd410b6a25 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-056f10d3df8fc98c.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-c25dc19d7487cdf7.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bc1a7bfd53900446912b1511a1efdebc87fa06d6f42cf474cd4570d560530f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1a7bfd53900446912b1511a1efdebc87fa06d6f42cf474cd4570d560530f8e", kill_on_drop: false }`
[INFO] [stdout] bc1a7bfd53900446912b1511a1efdebc87fa06d6f42cf474cd4570d560530f8e