[INFO] fetching crate rustc-rayon 0.5.0... [INFO] checking rustc-rayon-0.5.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543 [INFO] extracting crate rustc-rayon 0.5.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate rustc-rayon 0.5.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustc-rayon 0.5.0 [INFO] finished tweaking crates.io crate rustc-rayon 0.5.0 [INFO] tweaked toml for crates.io crate rustc-rayon 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages to latest compatible versions [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 756f3e8ba5e33d77c07743fbe1868f84925c75e783231e49d46848635289a67e [INFO] running `Command { std: "docker" "start" "-a" "756f3e8ba5e33d77c07743fbe1868f84925c75e783231e49d46848635289a67e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "756f3e8ba5e33d77c07743fbe1868f84925c75e783231e49d46848635289a67e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "756f3e8ba5e33d77c07743fbe1868f84925c75e783231e49d46848635289a67e", kill_on_drop: false }` [INFO] [stdout] 756f3e8ba5e33d77c07743fbe1868f84925c75e783231e49d46848635289a67e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aba5ac48a1f1378efd3a0d29ed02465eed1abb8c16b4aca2963480a5fff82c40 [INFO] running `Command { std: "docker" "start" "-a" "aba5ac48a1f1378efd3a0d29ed02465eed1abb8c16b4aca2963480a5fff82c40", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rustc-rayon-core v0.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rustc-rayon v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3414:17 [INFO] [stdout] | [INFO] [stdout] 3414 | Continue(_) => unreachable!(), [INFO] [stdout] | ^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3439:17 [INFO] [stdout] | [INFO] [stdout] 3439 | Some(_) => unreachable!(), [INFO] [stdout] | ^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3464:17 [INFO] [stdout] | [INFO] [stdout] 3464 | Ok(_) => unreachable!(), [INFO] [stdout] | ^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3489:17 [INFO] [stdout] | [INFO] [stdout] 3489 | Ok(_) => unreachable!(), [INFO] [stdout] | ^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3518:17 [INFO] [stdout] | [INFO] [stdout] 3518 | Ok(_) => unreachable!(), [INFO] [stdout] | ^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3414:17 [INFO] [stdout] | [INFO] [stdout] 3414 | Continue(_) => unreachable!(), [INFO] [stdout] | ^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3439:17 [INFO] [stdout] | [INFO] [stdout] 3439 | Some(_) => unreachable!(), [INFO] [stdout] | ^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3464:17 [INFO] [stdout] | [INFO] [stdout] 3464 | Ok(_) => unreachable!(), [INFO] [stdout] | ^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3489:17 [INFO] [stdout] | [INFO] [stdout] 3489 | Ok(_) => unreachable!(), [INFO] [stdout] | ^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/iter/mod.rs:3518:17 [INFO] [stdout] | [INFO] [stdout] 3518 | Ok(_) => unreachable!(), [INFO] [stdout] | ^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.17s [INFO] running `Command { std: "docker" "inspect" "aba5ac48a1f1378efd3a0d29ed02465eed1abb8c16b4aca2963480a5fff82c40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aba5ac48a1f1378efd3a0d29ed02465eed1abb8c16b4aca2963480a5fff82c40", kill_on_drop: false }` [INFO] [stdout] aba5ac48a1f1378efd3a0d29ed02465eed1abb8c16b4aca2963480a5fff82c40