[INFO] fetching crate ocb 0.0.0...
[INFO] checking ocb-0.0.0 against master#ab37a83ae2c829b8597bdcda8244964ebc60b495 for pr-99943
[INFO] extracting crate ocb 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ocb 0.0.0 on toolchain ab37a83ae2c829b8597bdcda8244964ebc60b495
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ocb 0.0.0
[INFO] finished tweaking crates.io crate ocb 0.0.0
[INFO] tweaked toml for crates.io crate ocb 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cd770f728f368340891ecc33211c2a937605d1ca07cf4f83b63fd915dbbff85
[INFO] running `Command { std: "docker" "start" "-a" "3cd770f728f368340891ecc33211c2a937605d1ca07cf4f83b63fd915dbbff85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cd770f728f368340891ecc33211c2a937605d1ca07cf4f83b63fd915dbbff85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd770f728f368340891ecc33211c2a937605d1ca07cf4f83b63fd915dbbff85", kill_on_drop: false }`
[INFO] [stdout] 3cd770f728f368340891ecc33211c2a937605d1ca07cf4f83b63fd915dbbff85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb98f3afd86d6706209b215c165f5372f67c89fb1b1ca5f78c5034992942903
[INFO] running `Command { std: "docker" "start" "-a" "7bb98f3afd86d6706209b215c165f5372f67c89fb1b1ca5f78c5034992942903", kill_on_drop: false }`
[INFO] [stderr]     Checking ocb v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7bb98f3afd86d6706209b215c165f5372f67c89fb1b1ca5f78c5034992942903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb98f3afd86d6706209b215c165f5372f67c89fb1b1ca5f78c5034992942903", kill_on_drop: false }`
[INFO] [stdout] 7bb98f3afd86d6706209b215c165f5372f67c89fb1b1ca5f78c5034992942903