[INFO] crate pipeliner 1.0.0 is already in cache [INFO] extracting crate pipeliner 1.0.0 into work/ex/clippy-test-run/sources/stable/reg/pipeliner/1.0.0 [INFO] extracting crate pipeliner 1.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pipeliner/1.0.0 [INFO] validating manifest of pipeliner-1.0.0 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of pipeliner-1.0.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing pipeliner-1.0.0 [INFO] finished frobbing pipeliner-1.0.0 [INFO] frobbed toml for pipeliner-1.0.0 written to work/ex/clippy-test-run/sources/stable/reg/pipeliner/1.0.0/Cargo.toml [INFO] started frobbing pipeliner-1.0.0 [INFO] finished frobbing pipeliner-1.0.0 [INFO] frobbed toml for pipeliner-1.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pipeliner/1.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting pipeliner-1.0.0 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/pipeliner/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 615be23afa112307703b5b48432a564e1e46e29a6b7739550c529c77efbbed17 [INFO] running `"docker" "start" "-a" "615be23afa112307703b5b48432a564e1e46e29a6b7739550c529c77efbbed17"` [INFO] [stderr] Checking pipeliner v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/panic_guard.rs:16:20 [INFO] [stderr] | [INFO] [stderr] 16 | PanicGuard{sender: sender} [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `sender` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/panic_guard.rs:16:20 [INFO] [stderr] | [INFO] [stderr] 16 | PanicGuard{sender: sender} [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `sender` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/ordered/mod.rs:166:9 [INFO] [stderr] | [INFO] [stderr] 166 | return Some((next_value, tx)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((next_value, tx))` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/tests.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | return x * 2; [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove `return` as shown: `x * 2` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/tests.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | return x * 2; [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove `return` as shown: `x * 2` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/ordered/mod.rs:166:9 [INFO] [stderr] | [INFO] [stderr] 166 | return Some((next_value, tx)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((next_value, tx))` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/unordered.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | / pub fn new(builder: PipelineBuilder, callable: F) -> impl Iterator [INFO] [stderr] 24 | | where I: Iterator + Send + 'static, [INFO] [stderr] 25 | | I::Item: Send + 'static, [INFO] [stderr] 26 | | Out: Send + 'static, [INFO] [stderr] ... | [INFO] [stderr] 60 | | iter [INFO] [stderr] 61 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_ret_no_self)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/unordered.rs:91:1 [INFO] [stderr] | [INFO] [stderr] 91 | / fn panic_msg_from<'a>(panic_data: &'a Any) -> &'a str { [INFO] [stderr] 92 | | [INFO] [stderr] 93 | | if let Some(msg) = panic_data.downcast_ref::<&'static str>() { [INFO] [stderr] 94 | | return msg; [INFO] [stderr] ... | [INFO] [stderr] 100 | | "" [INFO] [stderr] 101 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: methods called `new` usually return `Self` [INFO] [stderr] --> src/unordered.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | / pub fn new(builder: PipelineBuilder, callable: F) -> impl Iterator [INFO] [stderr] 24 | | where I: Iterator + Send + 'static, [INFO] [stderr] 25 | | I::Item: Send + 'static, [INFO] [stderr] 26 | | Out: Send + 'static, [INFO] [stderr] ... | [INFO] [stderr] 60 | | iter [INFO] [stderr] 61 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_ret_no_self)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/unordered.rs:91:1 [INFO] [stderr] | [INFO] [stderr] 91 | / fn panic_msg_from<'a>(panic_data: &'a Any) -> &'a str { [INFO] [stderr] 92 | | [INFO] [stderr] 93 | | if let Some(msg) = panic_data.downcast_ref::<&'static str>() { [INFO] [stderr] 94 | | return msg; [INFO] [stderr] ... | [INFO] [stderr] 100 | | "" [INFO] [stderr] 101 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/benchmarks.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `pipeliner`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "615be23afa112307703b5b48432a564e1e46e29a6b7739550c529c77efbbed17"` [INFO] running `"docker" "rm" "-f" "615be23afa112307703b5b48432a564e1e46e29a6b7739550c529c77efbbed17"` [INFO] [stdout] 615be23afa112307703b5b48432a564e1e46e29a6b7739550c529c77efbbed17