[INFO] fetching crate goof 0.3.2...
[INFO] checking goof-0.3.2 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate goof 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate goof 0.3.2
[INFO] finished tweaking crates.io crate goof 0.3.2
[INFO] tweaked toml for crates.io crate goof 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate goof 0.3.2 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate goof 0.3.2 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded goof-derive v0.3.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28c43f3c42fc4fd2e397643a4cf4c7bda8fd01fa5c2d78da664fcd45b656d590
[INFO] running `Command { std: "docker" "start" "-a" "28c43f3c42fc4fd2e397643a4cf4c7bda8fd01fa5c2d78da664fcd45b656d590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28c43f3c42fc4fd2e397643a4cf4c7bda8fd01fa5c2d78da664fcd45b656d590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c43f3c42fc4fd2e397643a4cf4c7bda8fd01fa5c2d78da664fcd45b656d590", kill_on_drop: false }`
[INFO] [stdout] 28c43f3c42fc4fd2e397643a4cf4c7bda8fd01fa5c2d78da664fcd45b656d590
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2205c1f4c5066ed3a88d8ca053010e588d160c89c5960ef4ed505162690c3f74
[INFO] running `Command { std: "docker" "start" "-a" "2205c1f4c5066ed3a88d8ca053010e588d160c89c5960ef4ed505162690c3f74", kill_on_drop: false }`
[INFO] [stderr]    Compiling goof-derive v0.3.2
[INFO] [stderr]     Checking goof v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Known` is never constructed
[INFO] [stdout]    --> src/lib.rs:660:9
[INFO] [stdout]     |
[INFO] [stdout] 658 |     enum MixedError {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] 659 |         #[error("known error")]
[INFO] [stdout] 660 |         Known,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MixedError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "2205c1f4c5066ed3a88d8ca053010e588d160c89c5960ef4ed505162690c3f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2205c1f4c5066ed3a88d8ca053010e588d160c89c5960ef4ed505162690c3f74", kill_on_drop: false }`
[INFO] [stdout] 2205c1f4c5066ed3a88d8ca053010e588d160c89c5960ef4ed505162690c3f74
