[INFO] fetching crate laburnum 1.16.1...
[INFO] checking laburnum-1.16.1 against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] extracting crate laburnum 1.16.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate laburnum 1.16.1
[INFO] finished tweaking crates.io crate laburnum 1.16.1
[INFO] tweaked toml for crates.io crate laburnum 1.16.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate laburnum 1.16.1 on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 182835c8635e391c7832af183512b69f4c2475e91d54e19954e375e87c7237d8
[INFO] running `Command { std: "docker" "start" "-a" "182835c8635e391c7832af183512b69f4c2475e91d54e19954e375e87c7237d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182835c8635e391c7832af183512b69f4c2475e91d54e19954e375e87c7237d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182835c8635e391c7832af183512b69f4c2475e91d54e19954e375e87c7237d8", kill_on_drop: false }`
[INFO] [stdout] 182835c8635e391c7832af183512b69f4c2475e91d54e19954e375e87c7237d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 819190becc9156a8fd4228dbc9df9ec5a8a6290550b95cd475ca5ceb1c621a1d
[INFO] running `Command { std: "docker" "start" "-a" "819190becc9156a8fd4228dbc9df9ec5a8a6290550b95cd475ca5ceb1c621a1d", kill_on_drop: false }`
[INFO] [stderr]     Checking laburnum v1.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "819190becc9156a8fd4228dbc9df9ec5a8a6290550b95cd475ca5ceb1c621a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819190becc9156a8fd4228dbc9df9ec5a8a6290550b95cd475ca5ceb1c621a1d", kill_on_drop: false }`
[INFO] [stdout] 819190becc9156a8fd4228dbc9df9ec5a8a6290550b95cd475ca5ceb1c621a1d