[INFO] fetching crate tokamak 0.1.0...
[INFO] testing tokamak-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate tokamak 0.1.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate tokamak 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokamak 0.1.0
[INFO] finished tweaking crates.io crate tokamak 0.1.0
[INFO] tweaked toml for crates.io crate tokamak 0.1.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9f54e4d4850f60e3cd2121f9043025d93e5bb5df5ce3db407b9d33eca3f17d
[INFO] running `Command { std: "docker" "start" "-a" "0e9f54e4d4850f60e3cd2121f9043025d93e5bb5df5ce3db407b9d33eca3f17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9f54e4d4850f60e3cd2121f9043025d93e5bb5df5ce3db407b9d33eca3f17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9f54e4d4850f60e3cd2121f9043025d93e5bb5df5ce3db407b9d33eca3f17d", kill_on_drop: false }`
[INFO] [stdout] 0e9f54e4d4850f60e3cd2121f9043025d93e5bb5df5ce3db407b9d33eca3f17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a147548c11400a5690c456da3437cec68ba11d006f7c5b140377e9b4acee9e3f
[INFO] running `Command { std: "docker" "start" "-a" "a147548c11400a5690c456da3437cec68ba11d006f7c5b140377e9b4acee9e3f", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a147548c11400a5690c456da3437cec68ba11d006f7c5b140377e9b4acee9e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a147548c11400a5690c456da3437cec68ba11d006f7c5b140377e9b4acee9e3f", kill_on_drop: false }`
[INFO] [stdout] a147548c11400a5690c456da3437cec68ba11d006f7c5b140377e9b4acee9e3f