[INFO] cloning repository https://github.com/jprio/crabcan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jprio/crabcan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76f9a2aed202e59d8e5f0eb663ba947cc6a76003
[INFO] checking jprio/crabcan/76f9a2aed202e59d8e5f0eb663ba947cc6a76003 against master#fcac501a73cdde54de46a0683567f1a890730555 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jprio/crabcan
[INFO] finished tweaking git repo https://github.com/jprio/crabcan
[INFO] tweaked toml for git repo https://github.com/jprio/crabcan written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jprio/crabcan on toolchain fcac501a73cdde54de46a0683567f1a890730555
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jprio/crabcan 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" "+fcac501a73cdde54de46a0683567f1a890730555" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ipc v0.2.0
[INFO] [stderr]   Downloaded paste v1.0.8
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c50af16a4a6c0a9b6f4ac9035a1d867eec8e52216647ef351d1ed326ca1755da
[INFO] running `Command { std: "docker" "start" "-a" "c50af16a4a6c0a9b6f4ac9035a1d867eec8e52216647ef351d1ed326ca1755da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50af16a4a6c0a9b6f4ac9035a1d867eec8e52216647ef351d1ed326ca1755da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50af16a4a6c0a9b6f4ac9035a1d867eec8e52216647ef351d1ed326ca1755da", kill_on_drop: false }`
[INFO] [stdout] c50af16a4a6c0a9b6f4ac9035a1d867eec8e52216647ef351d1ed326ca1755da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d69946f7b0d06f178f172439ac9696d499fecb66b28c7ffe95ae1725ca810021
[INFO] running `Command { std: "docker" "start" "-a" "d69946f7b0d06f178f172439ac9696d499fecb66b28c7ffe95ae1725ca810021", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling paste v1.0.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking ipc v0.2.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ipc-0.2.0/src/lib.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
[INFO] [stdout]   |                                                 ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d69946f7b0d06f178f172439ac9696d499fecb66b28c7ffe95ae1725ca810021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69946f7b0d06f178f172439ac9696d499fecb66b28c7ffe95ae1725ca810021", kill_on_drop: false }`
[INFO] [stdout] d69946f7b0d06f178f172439ac9696d499fecb66b28c7ffe95ae1725ca810021
