[INFO] fetching crate shellfirm 0.3.10...
[INFO] checking shellfirm-0.3.10 against master#40557f6225e337d68c8d4f086557ce54135f5dd9 for pr-158447
[INFO] extracting crate shellfirm 0.3.10 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate shellfirm 0.3.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate shellfirm 0.3.10
[INFO] tweaked toml for crates.io crate shellfirm 0.3.10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shellfirm 0.3.10 on toolchain 40557f6225e337d68c8d4f086557ce54135f5dd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shellfirm 0.3.10 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" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:fd22e2154e7db748230f413534f3a6d034160c9d2b7c14b90fba4e9bfc1a36d4" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c
[INFO] running `Command { std: "docker" "start" "286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c" "/opt/rustwide/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c" "/opt/rustwide/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `checks` is never read
[INFO] [stdout]   --> tests/decision_matrix.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct ScenarioPolicy {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 56 |     checks: Vec<serde_yaml::Value>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScenarioPolicy` 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 56.84s
[INFO] running `Command { std: "docker" "inspect" "286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c", kill_on_drop: false }`
[INFO] [stdout] 286dad94d6409f954784b298f27644ee75eee173ea15777924fdc31d9c39438c
