[INFO] fetching crate pau-rust 0.0.2...
[INFO] checking pau-rust-0.0.2 against master#accc516128b21e960b1a7af45393e9acdd184890 for pr-122501
[INFO] extracting crate pau-rust 0.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pau-rust 0.0.2 on toolchain accc516128b21e960b1a7af45393e9acdd184890
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pau-rust 0.0.2
[INFO] finished tweaking crates.io crate pau-rust 0.0.2
[INFO] tweaked toml for crates.io crate pau-rust 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate pau-rust 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking pau-rust-0.0.2 against try#32f93a5733992b29f321831b7e26c1f7d7205013 for pr-122501
[INFO] extracting crate pau-rust 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate pau-rust 0.0.2 on toolchain 32f93a5733992b29f321831b7e26c1f7d7205013
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pau-rust 0.0.2
[INFO] finished tweaking crates.io crate pau-rust 0.0.2
[INFO] tweaked toml for crates.io crate pau-rust 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate pau-rust 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528fb78a82a53e716f05f856de287e27a453adb26be61afb4d751b264ee283a6
[INFO] running `Command { std: "docker" "start" "-a" "528fb78a82a53e716f05f856de287e27a453adb26be61afb4d751b264ee283a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528fb78a82a53e716f05f856de287e27a453adb26be61afb4d751b264ee283a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528fb78a82a53e716f05f856de287e27a453adb26be61afb4d751b264ee283a6", kill_on_drop: false }`
[INFO] [stdout] 528fb78a82a53e716f05f856de287e27a453adb26be61afb4d751b264ee283a6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+32f93a5733992b29f321831b7e26c1f7d7205013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab2edbba5513490f5773c10d5224fb6a15e8fc346f724b9423b2b5c4cdf7813
[INFO] running `Command { std: "docker" "start" "-a" "cab2edbba5513490f5773c10d5224fb6a15e8fc346f724b9423b2b5c4cdf7813", kill_on_drop: false }`
[INFO] [stderr]     Checking pau-rust v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "cab2edbba5513490f5773c10d5224fb6a15e8fc346f724b9423b2b5c4cdf7813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab2edbba5513490f5773c10d5224fb6a15e8fc346f724b9423b2b5c4cdf7813", kill_on_drop: false }`
[INFO] [stdout] cab2edbba5513490f5773c10d5224fb6a15e8fc346f724b9423b2b5c4cdf7813