[INFO] fetching crate webpage 1.4.0...
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] crate webpage 1.4.0 is already in cache
[INFO] checking webpage-1.4.0 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate webpage 1.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate webpage 1.4.0 on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webpage 1.4.0
[INFO] finished tweaking crates.io crate webpage 1.4.0
[INFO] tweaked toml for crates.io crate webpage 1.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c17214592f77c3a0d4e61b0cbb3a044788d20bb066610650fafbf8dcfc04641
[INFO] running `Command { std: "docker" "start" "-a" "5c17214592f77c3a0d4e61b0cbb3a044788d20bb066610650fafbf8dcfc04641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c17214592f77c3a0d4e61b0cbb3a044788d20bb066610650fafbf8dcfc04641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c17214592f77c3a0d4e61b0cbb3a044788d20bb066610650fafbf8dcfc04641", kill_on_drop: false }`
[INFO] [stdout] 5c17214592f77c3a0d4e61b0cbb3a044788d20bb066610650fafbf8dcfc04641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds