[INFO] fetching crate plr 0.3.1...
[INFO] building plr-0.3.1 against try#0179c3cb935eb588d407cb784f436ae84d99db5c for pr-107620-1
[INFO] extracting crate plr 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate plr 0.3.1 on toolchain 0179c3cb935eb588d407cb784f436ae84d99db5c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cca3288494318deb56f8f748d2c2e5a60b23c45bad2930216bd2a4c9f2e3f7b
[INFO] running `Command { std: "docker" "start" "-a" "9cca3288494318deb56f8f748d2c2e5a60b23c45bad2930216bd2a4c9f2e3f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cca3288494318deb56f8f748d2c2e5a60b23c45bad2930216bd2a4c9f2e3f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cca3288494318deb56f8f748d2c2e5a60b23c45bad2930216bd2a4c9f2e3f7b", kill_on_drop: false }`
[INFO] [stdout] 9cca3288494318deb56f8f748d2c2e5a60b23c45bad2930216bd2a4c9f2e3f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84723100040e6e95ab5c56a083b489340b1193a96a0b7155490c0e416d58284
[INFO] running `Command { std: "docker" "start" "-a" "e84723100040e6e95ab5c56a083b489340b1193a96a0b7155490c0e416d58284", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.19.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e84723100040e6e95ab5c56a083b489340b1193a96a0b7155490c0e416d58284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84723100040e6e95ab5c56a083b489340b1193a96a0b7155490c0e416d58284", kill_on_drop: false }`
[INFO] [stdout] e84723100040e6e95ab5c56a083b489340b1193a96a0b7155490c0e416d58284