[INFO] fetching crate arn-language 1.2.1...
[INFO] testing arn-language-1.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate arn-language 1.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate arn-language 1.2.1
[INFO] finished tweaking crates.io crate arn-language 1.2.1
[INFO] tweaked toml for crates.io crate arn-language 1.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arn-language 1.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arn-language 1.2.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-estimate v0.3.1
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded primal-sieve v0.3.1
[INFO] [stderr]   Downloaded az v1.1.1
[INFO] [stderr]   Downloaded primal-bit v0.3.0
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded primal v0.3.0
[INFO] [stderr]   Downloaded rug v1.12.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 741d03048e7290f37fce8e69ec96401cccd40b17ae61832911e69e93678892ab
[INFO] running `Command { std: "docker" "start" "-a" "741d03048e7290f37fce8e69ec96401cccd40b17ae61832911e69e93678892ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "741d03048e7290f37fce8e69ec96401cccd40b17ae61832911e69e93678892ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741d03048e7290f37fce8e69ec96401cccd40b17ae61832911e69e93678892ab", kill_on_drop: false }`
[INFO] [stdout] 741d03048e7290f37fce8e69ec96401cccd40b17ae61832911e69e93678892ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35b7c1d473f912c6bed12b9a41faeee2cfc016982e956528703818454a3005a
[INFO] running `Command { std: "docker" "start" "-a" "d35b7c1d473f912c6bed12b9a41faeee2cfc016982e956528703818454a3005a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.4
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling primal-bit v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling primal-estimate v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling primal-sieve v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling radix_fmt v1.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling primal v0.3.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d35b7c1d473f912c6bed12b9a41faeee2cfc016982e956528703818454a3005a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35b7c1d473f912c6bed12b9a41faeee2cfc016982e956528703818454a3005a", kill_on_drop: false }`
[INFO] [stdout] d35b7c1d473f912c6bed12b9a41faeee2cfc016982e956528703818454a3005a