[INFO] fetching crate toggle_florp 2.0.0...
[INFO] testing toggle_florp-2.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate toggle_florp 2.0.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate toggle_florp 2.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toggle_florp 2.0.0
[INFO] finished tweaking crates.io crate toggle_florp 2.0.0
[INFO] tweaked toml for crates.io crate toggle_florp 2.0.0 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate toggle_florp 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed78f06978dc2048dded66756fcd70280ef30d204cbf9ee562bf6e15d47d807
[INFO] running `Command { std: "docker" "start" "-a" "3ed78f06978dc2048dded66756fcd70280ef30d204cbf9ee562bf6e15d47d807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed78f06978dc2048dded66756fcd70280ef30d204cbf9ee562bf6e15d47d807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed78f06978dc2048dded66756fcd70280ef30d204cbf9ee562bf6e15d47d807", kill_on_drop: false }`
[INFO] [stdout] 3ed78f06978dc2048dded66756fcd70280ef30d204cbf9ee562bf6e15d47d807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f70864218fc392a6da79c6eed61f293649a07facf033db8be11ac27f6864aaa
[INFO] running `Command { std: "docker" "start" "-a" "4f70864218fc392a6da79c6eed61f293649a07facf033db8be11ac27f6864aaa", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "4f70864218fc392a6da79c6eed61f293649a07facf033db8be11ac27f6864aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f70864218fc392a6da79c6eed61f293649a07facf033db8be11ac27f6864aaa", kill_on_drop: false }`
[INFO] [stdout] 4f70864218fc392a6da79c6eed61f293649a07facf033db8be11ac27f6864aaa