[INFO] fetching crate sliding_puzzle 1.0.0... [INFO] checking sliding_puzzle-1.0.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate sliding_puzzle 1.0.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate sliding_puzzle 1.0.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate sliding_puzzle 1.0.0 [INFO] finished tweaking crates.io crate sliding_puzzle 1.0.0 [INFO] tweaked toml for crates.io crate sliding_puzzle 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bench]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other benchmark targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a benchmark target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-7/source/benches/from_decimal.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/new.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/from_decimal_unchecked.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/moves.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/to_decimal_unchecked.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/clone.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/slide_mut_unchecked.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/to_decimal.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/slide_mut.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/scramble.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/slide.rs [INFO] [stderr] * /workspace/builds/worker-7/source/benches/slide_unchecked.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a benchmark target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobenches = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lehmer v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d80eff7b72a5b5990401978bd05e00c0b816063c93a371e9a6288c511a098245 [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" "d80eff7b72a5b5990401978bd05e00c0b816063c93a371e9a6288c511a098245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d80eff7b72a5b5990401978bd05e00c0b816063c93a371e9a6288c511a098245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d80eff7b72a5b5990401978bd05e00c0b816063c93a371e9a6288c511a098245", kill_on_drop: false }` [INFO] [stdout] d80eff7b72a5b5990401978bd05e00c0b816063c93a371e9a6288c511a098245 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 20ad475e41523b8a329cb8eec559c8e94b2814651e44051157b76aa825ecf7de [INFO] running `Command { std: "docker" "start" "-a" "20ad475e41523b8a329cb8eec559c8e94b2814651e44051157b76aa825ecf7de", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bench]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other benchmark targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a benchmark target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/benches/from_decimal.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/new.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/from_decimal_unchecked.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/moves.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/to_decimal_unchecked.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/clone.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/slide_mut_unchecked.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/to_decimal.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/slide_mut.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/scramble.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/slide.rs [INFO] [stderr] * /opt/rustwide/workdir/benches/slide_unchecked.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a benchmark target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobenches = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking lehmer v2.0.0 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking sliding_puzzle v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/base/mod.rs:72:66 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn slide_mut(&mut self, direction: &Direction) -> Result<(&mut Self)> { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/base/mod.rs:72:66 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn slide_mut(&mut self, direction: &Direction) -> Result<(&mut Self)> { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "20ad475e41523b8a329cb8eec559c8e94b2814651e44051157b76aa825ecf7de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20ad475e41523b8a329cb8eec559c8e94b2814651e44051157b76aa825ecf7de", kill_on_drop: false }` [INFO] [stdout] 20ad475e41523b8a329cb8eec559c8e94b2814651e44051157b76aa825ecf7de