[INFO] fetching crate bracket_parse 0.1.4... [INFO] checking bracket_parse-0.1.4 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] extracting crate bracket_parse 0.1.4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate bracket_parse 0.1.4 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bracket_parse 0.1.4 [INFO] finished tweaking crates.io crate bracket_parse 0.1.4 [INFO] tweaked toml for crates.io crate bracket_parse 0.1.4 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 63f98fb106edcd25dd405673a09b04f412174bf74f05f06411a47ab30ed0f3e6 [INFO] running `Command { std: "docker" "start" "-a" "63f98fb106edcd25dd405673a09b04f412174bf74f05f06411a47ab30ed0f3e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63f98fb106edcd25dd405673a09b04f412174bf74f05f06411a47ab30ed0f3e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63f98fb106edcd25dd405673a09b04f412174bf74f05f06411a47ab30ed0f3e6", kill_on_drop: false }` [INFO] [stdout] 63f98fb106edcd25dd405673a09b04f412174bf74f05f06411a47ab30ed0f3e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 216e7aa42e7e3e160ffd6d43956735913a879bc979cc9af3051d91a6c9e939a1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "216e7aa42e7e3e160ffd6d43956735913a879bc979cc9af3051d91a6c9e939a1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking bracket_parse v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: `match` arms have incompatible types [INFO] [stdout] --> src/tail.rs:72:16 [INFO] [stdout] | [INFO] [stdout] 70 | / match self { [INFO] [stdout] 71 | | Tail::Rest(v)=>v.into_iter(), [INFO] [stdout] | | ------------- this is found to be of type `std::slice::Iter<'_, Bracket>` [INFO] [stdout] 72 | | _=>EMPTY_B_SLICE.into_iter(), [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::slice::Iter`, found struct `std::array::IntoIter` [INFO] [stdout] 73 | | [INFO] [stdout] 74 | | } [INFO] [stdout] | |_________- `match` arms have incompatible types [INFO] [stdout] | [INFO] [stdout] = note: expected struct `std::slice::Iter<'_, Bracket>` [INFO] [stdout] found struct `std::array::IntoIter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error[E0308]: `match` arms have incompatible types [INFO] [stdout] --> src/tail.rs:72:16 [INFO] [stdout] | [INFO] [stdout] 70 | / match self { [INFO] [stdout] 71 | | Tail::Rest(v)=>v.into_iter(), [INFO] [stdout] | | ------------- this is found to be of type `std::slice::Iter<'_, Bracket>` [INFO] [stdout] 72 | | _=>EMPTY_B_SLICE.into_iter(), [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::slice::Iter`, found struct `std::array::IntoIter` [INFO] [stdout] 73 | | [INFO] [stdout] 74 | | } [INFO] [stdout] | |_________- `match` arms have incompatible types [INFO] [stdout] | [INFO] [stdout] = note: expected struct `std::slice::Iter<'_, Bracket>` [INFO] [stdout] found struct `std::array::IntoIter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bracket_parse` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "216e7aa42e7e3e160ffd6d43956735913a879bc979cc9af3051d91a6c9e939a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "216e7aa42e7e3e160ffd6d43956735913a879bc979cc9af3051d91a6c9e939a1", kill_on_drop: false }` [INFO] [stdout] 216e7aa42e7e3e160ffd6d43956735913a879bc979cc9af3051d91a6c9e939a1