[INFO] fetching crate mpmfnum 0.2.0...
[INFO] checking mpmfnum-0.2.0 against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] extracting crate mpmfnum 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mpmfnum 0.2.0
[INFO] finished tweaking crates.io crate mpmfnum 0.2.0
[INFO] tweaked toml for crates.io crate mpmfnum 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpmfnum 0.2.0 on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "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" "+42f4793e5a514858221b07ac379029d90353913e" "generate-lockfile" "--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]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bbffafb9859be9b75e1c2f64c5504426bcd072f6ca5bed23ef2db31681a48cd
[INFO] running `Command { std: "docker" "start" "-a" "9bbffafb9859be9b75e1c2f64c5504426bcd072f6ca5bed23ef2db31681a48cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bbffafb9859be9b75e1c2f64c5504426bcd072f6ca5bed23ef2db31681a48cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbffafb9859be9b75e1c2f64c5504426bcd072f6ca5bed23ef2db31681a48cd", kill_on_drop: false }`
[INFO] [stdout] 9bbffafb9859be9b75e1c2f64c5504426bcd072f6ca5bed23ef2db31681a48cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04131189ca72a6d444d608f41082acb3381b0da77697824724b20680ab0fde7e
[INFO] running `Command { std: "docker" "start" "-a" "04131189ca72a6d444d608f41082acb3381b0da77697824724b20680ab0fde7e", 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 num-integer v0.1.46
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "04131189ca72a6d444d608f41082acb3381b0da77697824724b20680ab0fde7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04131189ca72a6d444d608f41082acb3381b0da77697824724b20680ab0fde7e", kill_on_drop: false }`
[INFO] [stdout] 04131189ca72a6d444d608f41082acb3381b0da77697824724b20680ab0fde7e
