[INFO] fetching crate plr 0.3.1...
[INFO] checking plr-0.3.1 against master#fe55364329579d361b1ab565728bc033a7dba07e for pr-146013
[INFO] extracting crate plr 0.3.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate plr 0.3.1
[INFO] finished tweaking crates.io crate plr 0.3.1
[INFO] tweaked toml for crates.io crate plr 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plr 0.3.1 on toolchain fe55364329579d361b1ab565728bc033a7dba07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6045fb81601d5c8b5f109c4f2ba1c45042168dd1f0c3b4b507208ca6a0e382
[INFO] running `Command { std: "docker" "start" "-a" "5a6045fb81601d5c8b5f109c4f2ba1c45042168dd1f0c3b4b507208ca6a0e382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6045fb81601d5c8b5f109c4f2ba1c45042168dd1f0c3b4b507208ca6a0e382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6045fb81601d5c8b5f109c4f2ba1c45042168dd1f0c3b4b507208ca6a0e382", kill_on_drop: false }`
[INFO] [stdout] 5a6045fb81601d5c8b5f109c4f2ba1c45042168dd1f0c3b4b507208ca6a0e382
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c16c99a999e0353fa311f989ac4bd123d750776640ebd20719e7d5b04b3769d
[INFO] running `Command { std: "docker" "start" "-a" "3c16c99a999e0353fa311f989ac4bd123d750776640ebd20719e7d5b04b3769d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3c16c99a999e0353fa311f989ac4bd123d750776640ebd20719e7d5b04b3769d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c16c99a999e0353fa311f989ac4bd123d750776640ebd20719e7d5b04b3769d", kill_on_drop: false }`
[INFO] [stdout] 3c16c99a999e0353fa311f989ac4bd123d750776640ebd20719e7d5b04b3769d