[INFO] cloning repository https://github.com/io12/brainfsym
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/io12/brainfsym" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Fbrainfsym", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Fbrainfsym'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da3357fdfeee7e1905799339a1ecc6be2154b1da
[INFO] checking io12/brainfsym against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Fbrainfsym" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/io12/brainfsym on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/io12/brainfsym
[INFO] finished tweaking git repo https://github.com/io12/brainfsym
[INFO] tweaked toml for git repo https://github.com/io12/brainfsym written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/io12/brainfsym already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 352a3d34af496799fd5def199da92661973563941d28ac10ac367d88ad8961bb
[INFO] running `Command { std: "docker" "start" "-a" "352a3d34af496799fd5def199da92661973563941d28ac10ac367d88ad8961bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352a3d34af496799fd5def199da92661973563941d28ac10ac367d88ad8961bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352a3d34af496799fd5def199da92661973563941d28ac10ac367d88ad8961bb", kill_on_drop: false }`
[INFO] [stdout] 352a3d34af496799fd5def199da92661973563941d28ac10ac367d88ad8961bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c7c8aa976272a2be1a31601d7686fa90d36ab20792ec9e1b7cae6abbedb3b3f
[INFO] running `Command { std: "docker" "start" "-a" "4c7c8aa976272a2be1a31601d7686fa90d36ab20792ec9e1b7cae6abbedb3b3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling z3-sys v0.5.0 (https://github.com/prove-rs/z3.rs#fc39f328)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking brainfuck_rs v2.0.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/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="strsim"' --cfg 'feature="suggestions"' -C metadata=21ee68c7510a4cd8 -C extra-filename=-21ee68c7510a4cd8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-536a1824ffde2141.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-fa2c25a6b244a2f2.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5cd8e6d8eeebd86d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bbc2cdf98041cfa8.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-2b7e1d0d910ba857.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-b4504b597814a8ad.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" "4c7c8aa976272a2be1a31601d7686fa90d36ab20792ec9e1b7cae6abbedb3b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7c8aa976272a2be1a31601d7686fa90d36ab20792ec9e1b7cae6abbedb3b3f", kill_on_drop: false }`
[INFO] [stdout] 4c7c8aa976272a2be1a31601d7686fa90d36ab20792ec9e1b7cae6abbedb3b3f