[INFO] fetching crate plr 0.3.2...
[INFO] testing plr-0.3.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate plr 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate plr 0.3.2
[INFO] finished tweaking crates.io crate plr 0.3.2
[INFO] tweaked toml for crates.io crate plr 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plr 0.3.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate plr 0.3.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded rug v1.28.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef
[INFO] running `Command { std: "docker" "start" "20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef", kill_on_drop: false }`
[INFO] [stdout] 20b42d94d56376c59ab3c8f9601e9a03213d1bf13e51e925715c80080bcc6eef