[INFO] fetching crate lelwel 0.2.4...
[INFO] checking lelwel-0.2.4 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate lelwel 0.2.4 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate lelwel 0.2.4 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lelwel 0.2.4
[INFO] finished tweaking crates.io crate lelwel 0.2.4
[INFO] tweaked toml for crates.io crate lelwel 0.2.4 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate lelwel 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16e4b6443e2608a520f8bf511d4dd23a30b59acd489a10ed28276957dfe250e
[INFO] running `Command { std: "docker" "start" "-a" "a16e4b6443e2608a520f8bf511d4dd23a30b59acd489a10ed28276957dfe250e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16e4b6443e2608a520f8bf511d4dd23a30b59acd489a10ed28276957dfe250e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16e4b6443e2608a520f8bf511d4dd23a30b59acd489a10ed28276957dfe250e", kill_on_drop: false }`
[INFO] [stdout] a16e4b6443e2608a520f8bf511d4dd23a30b59acd489a10ed28276957dfe250e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bd1ccc6b84f5440dae33d4931425988392cc905e42070e81ba8b80a202be3d6
[INFO] running `Command { std: "docker" "start" "-a" "6bd1ccc6b84f5440dae33d4931425988392cc905e42070e81ba8b80a202be3d6", kill_on_drop: false }`
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]     Checking lelwel v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "6bd1ccc6b84f5440dae33d4931425988392cc905e42070e81ba8b80a202be3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd1ccc6b84f5440dae33d4931425988392cc905e42070e81ba8b80a202be3d6", kill_on_drop: false }`
[INFO] [stdout] 6bd1ccc6b84f5440dae33d4931425988392cc905e42070e81ba8b80a202be3d6