[INFO] fetching crate polynomial-ring 0.5.1...
[INFO] checking polynomial-ring-0.5.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate polynomial-ring 0.5.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate polynomial-ring 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate polynomial-ring 0.5.1
[INFO] tweaked toml for crates.io crate polynomial-ring 0.5.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial-ring 0.5.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polynomial-ring 0.5.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.0
[INFO] [stderr]   Downloaded strum_macros v0.24.0
[INFO] [stderr]   Downloaded az v1.1.0
[INFO] [stderr]   Downloaded auto-impl-ops v0.2.1
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.3.0
[INFO] [stderr]   Downloaded ring-algorithm v0.8.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.3.0
[INFO] [stderr]   Downloaded syn v2.0.81
[INFO] [stderr]   Downloaded rug v1.18.0
[INFO] [stderr]   Downloaded libc v0.2.44
[INFO] [stderr]   Downloaded winapi v0.3.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.0
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baf122bdca95578d7d6cd3fbe5d00a41f8fa60b6ccd78d56f941dbb16a088230
[INFO] running `Command { std: "docker" "start" "-a" "baf122bdca95578d7d6cd3fbe5d00a41f8fa60b6ccd78d56f941dbb16a088230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baf122bdca95578d7d6cd3fbe5d00a41f8fa60b6ccd78d56f941dbb16a088230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf122bdca95578d7d6cd3fbe5d00a41f8fa60b6ccd78d56f941dbb16a088230", kill_on_drop: false }`
[INFO] [stdout] baf122bdca95578d7d6cd3fbe5d00a41f8fa60b6ccd78d56f941dbb16a088230
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f5e02920c88776bb37cfa93f1b2f516ea50222f27d3069a823c566b56f8f814
[INFO] running `Command { std: "docker" "start" "-a" "3f5e02920c88776bb37cfa93f1b2f516ea50222f27d3069a823c566b56f8f814", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.0
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rug v1.18.0
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ring-algorithm v0.8.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling rustversion v1.0.0
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling auto-impl-ops v0.2.1
[INFO] [stderr]     Checking polynomial-ring v0.5.1 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3f5e02920c88776bb37cfa93f1b2f516ea50222f27d3069a823c566b56f8f814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5e02920c88776bb37cfa93f1b2f516ea50222f27d3069a823c566b56f8f814", kill_on_drop: false }`
[INFO] [stdout] 3f5e02920c88776bb37cfa93f1b2f516ea50222f27d3069a823c566b56f8f814