[INFO] fetching crate kvarn_utils 0.4.1...
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] crate kvarn_utils 0.4.1 is already in cache
[INFO] checking kvarn_utils-0.4.1 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate kvarn_utils 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kvarn_utils 0.4.1 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kvarn_utils 0.4.1
[INFO] finished tweaking crates.io crate kvarn_utils 0.4.1
[INFO] tweaked toml for crates.io crate kvarn_utils 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "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" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e7533d8e349d51b10f41036ae6d18bf9be11cd00467e1308b590f93b4bd62a0
[INFO] running `Command { std: "docker" "start" "-a" "0e7533d8e349d51b10f41036ae6d18bf9be11cd00467e1308b590f93b4bd62a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7533d8e349d51b10f41036ae6d18bf9be11cd00467e1308b590f93b4bd62a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7533d8e349d51b10f41036ae6d18bf9be11cd00467e1308b590f93b4bd62a0", kill_on_drop: false }`
[INFO] [stdout] 0e7533d8e349d51b10f41036ae6d18bf9be11cd00467e1308b590f93b4bd62a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 368b0b66e9a7312fdd4e4f2976587f9ee63ee434e14cf2485a8c9ccd1e350b77
[INFO] running `Command { std: "docker" "start" "-a" "368b0b66e9a7312fdd4e4f2976587f9ee63ee434e14cf2485a8c9ccd1e350b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking kvarn_utils v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "368b0b66e9a7312fdd4e4f2976587f9ee63ee434e14cf2485a8c9ccd1e350b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368b0b66e9a7312fdd4e4f2976587f9ee63ee434e14cf2485a8c9ccd1e350b77", kill_on_drop: false }`
[INFO] [stdout] 368b0b66e9a7312fdd4e4f2976587f9ee63ee434e14cf2485a8c9ccd1e350b77