[INFO] fetching crate look_ahead_items 0.1.1...
[INFO] checking look_ahead_items-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate look_ahead_items 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate look_ahead_items 0.1.1
[INFO] finished tweaking crates.io crate look_ahead_items 0.1.1
[INFO] tweaked toml for crates.io crate look_ahead_items 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate look_ahead_items 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate look_ahead_items 0.1.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56e9c088844546d301cc07bc408f3bf9d1af2975690d9553f5d3c9f7a72e2b8a
[INFO] running `Command { std: "docker" "start" "-a" "56e9c088844546d301cc07bc408f3bf9d1af2975690d9553f5d3c9f7a72e2b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e9c088844546d301cc07bc408f3bf9d1af2975690d9553f5d3c9f7a72e2b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e9c088844546d301cc07bc408f3bf9d1af2975690d9553f5d3c9f7a72e2b8a", kill_on_drop: false }`
[INFO] [stdout] 56e9c088844546d301cc07bc408f3bf9d1af2975690d9553f5d3c9f7a72e2b8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1156ba744edd265ee342c07e1cd13a9cd74a66cf20a62230c86bc7d6246b04ff
[INFO] running `Command { std: "docker" "start" "-a" "1156ba744edd265ee342c07e1cd13a9cd74a66cf20a62230c86bc7d6246b04ff", kill_on_drop: false }`
[INFO] [stderr]     Checking look_ahead_items v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/items_builder.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             /// 先読みする文字数。
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |             look_ahead_size: 2,
[INFO] [stdout]    |             ------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/items_builder.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             /// 先読みする文字数。
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |             look_ahead_size: 2,
[INFO] [stdout]    |             ------------------ rustdoc does not generate documentation for expression fields
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "1156ba744edd265ee342c07e1cd13a9cd74a66cf20a62230c86bc7d6246b04ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1156ba744edd265ee342c07e1cd13a9cd74a66cf20a62230c86bc7d6246b04ff", kill_on_drop: false }`
[INFO] [stdout] 1156ba744edd265ee342c07e1cd13a9cd74a66cf20a62230c86bc7d6246b04ff