[INFO] fetching crate cfg 0.8.0...
[INFO] checking cfg-0.8.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate cfg 0.8.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cfg 0.8.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfg 0.8.0
[INFO] finished tweaking crates.io crate cfg 0.8.0
[INFO] tweaked toml for crates.io crate cfg 0.8.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded archery v1.2.0
[INFO] [stderr]   Downloaded rpds v1.1.0
[INFO] [stderr]   Downloaded bit-matrix v0.6.1
[INFO] [stderr]   Downloaded triomphe v0.1.11
[INFO] [stderr]   Downloaded optional v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eaef355e6c81868036292f92b4d949476a31dd53075d0edb7e0be227338d40c
[INFO] running `Command { std: "docker" "start" "-a" "9eaef355e6c81868036292f92b4d949476a31dd53075d0edb7e0be227338d40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eaef355e6c81868036292f92b4d949476a31dd53075d0edb7e0be227338d40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eaef355e6c81868036292f92b4d949476a31dd53075d0edb7e0be227338d40c", kill_on_drop: false }`
[INFO] [stdout] 9eaef355e6c81868036292f92b4d949476a31dd53075d0edb7e0be227338d40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcb1ae7cf41513a872d0c3344ee7bc62bc7ca52bf5080f951ac43a31b79c78f0
[INFO] running `Command { std: "docker" "start" "-a" "fcb1ae7cf41513a872d0c3344ee7bc62bc7ca52bf5080f951ac43a31b79c78f0", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-matrix v0.6.1
[INFO] [stderr]     Checking optional v0.5.0
[INFO] [stderr]     Checking cfg v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `direct_derivation_matrix`
[INFO] [stdout]  --> src/analysis/mod.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::derivation::{direct_derivation_matrix, reachability_matrix, unit_derivation_matrix};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `direct_derivation_matrix`
[INFO] [stdout]   --> src/analysis/mod.rs:4:28
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub use self::derivation::{direct_derivation_matrix, reachability_matrix, unit_derivation_matrix};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfg` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcb1ae7cf41513a872d0c3344ee7bc62bc7ca52bf5080f951ac43a31b79c78f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb1ae7cf41513a872d0c3344ee7bc62bc7ca52bf5080f951ac43a31b79c78f0", kill_on_drop: false }`
[INFO] [stdout] fcb1ae7cf41513a872d0c3344ee7bc62bc7ca52bf5080f951ac43a31b79c78f0
