[INFO] fetching crate brack 0.2.0...
[INFO] checking brack-0.2.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate brack 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate brack 0.2.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brack 0.2.0
[INFO] finished tweaking crates.io crate brack 0.2.0
[INFO] tweaked toml for crates.io crate brack 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate brack 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9894f2537a339f1c794f3d9df6190ac075267ba06ffd2c95e1f1a5d73e8b1274
[INFO] running `Command { std: "docker" "start" "-a" "9894f2537a339f1c794f3d9df6190ac075267ba06ffd2c95e1f1a5d73e8b1274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9894f2537a339f1c794f3d9df6190ac075267ba06ffd2c95e1f1a5d73e8b1274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9894f2537a339f1c794f3d9df6190ac075267ba06ffd2c95e1f1a5d73e8b1274", kill_on_drop: false }`
[INFO] [stdout] 9894f2537a339f1c794f3d9df6190ac075267ba06ffd2c95e1f1a5d73e8b1274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93a5f36a36af318f6f701bedee6691a1390019ec0c8b65e27ffd14b6c1a10f28
[INFO] running `Command { std: "docker" "start" "-a" "93a5f36a36af318f6f701bedee6691a1390019ec0c8b65e27ffd14b6c1a10f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking brack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         assert_matches!(c, Change::Relative(10.0f32));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/main.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         assert_matches!(c, Change::Relative(-10.0f32));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             core::assert_matches::assert_matches
[INFO] [stdout]             std::assert_matches::assert_matches
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brack` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "93a5f36a36af318f6f701bedee6691a1390019ec0c8b65e27ffd14b6c1a10f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a5f36a36af318f6f701bedee6691a1390019ec0c8b65e27ffd14b6c1a10f28", kill_on_drop: false }`
[INFO] [stdout] 93a5f36a36af318f6f701bedee6691a1390019ec0c8b65e27ffd14b6c1a10f28