[INFO] crate triadic-census 0.2.0 is already in cache [INFO] extracting crate triadic-census 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/triadic-census/0.2.0 [INFO] extracting crate triadic-census 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/triadic-census/0.2.0 [INFO] validating manifest of triadic-census-0.2.0 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 triadic-census-0.2.0 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 triadic-census-0.2.0 [INFO] finished frobbing triadic-census-0.2.0 [INFO] frobbed toml for triadic-census-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/triadic-census/0.2.0/Cargo.toml [INFO] started frobbing triadic-census-0.2.0 [INFO] finished frobbing triadic-census-0.2.0 [INFO] frobbed toml for triadic-census-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/triadic-census/0.2.0/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 triadic-census-0.2.0 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/triadic-census/0.2.0:/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] 4339d08f0f446e39822e9c011999189edba81739d6ac220b6d88930f5a3d39de [INFO] running `"docker" "start" "-a" "4339d08f0f446e39822e9c011999189edba81739d6ac220b6d88930f5a3d39de"` [INFO] [stderr] Checking triadic-census v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:247:25 [INFO] [stderr] | [INFO] [stderr] 247 | SimpleDigraph { g: g } [INFO] [stderr] | ^^^^ help: replace it with: `g` [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/lib.rs:303:13 [INFO] [stderr] | [INFO] [stderr] 303 | edges: edges, [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `edges` [INFO] [stderr] | [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/lib.rs:362:13 [INFO] [stderr] | [INFO] [stderr] 362 | n: n, [INFO] [stderr] | ^^^^ help: replace it with: `n` [INFO] [stderr] | [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/lib.rs:425:13 [INFO] [stderr] | [INFO] [stderr] 425 | n: n, [INFO] [stderr] | ^^^^ help: replace it with: `n` [INFO] [stderr] | [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/lib.rs:247:25 [INFO] [stderr] | [INFO] [stderr] 247 | SimpleDigraph { g: g } [INFO] [stderr] | ^^^^ help: replace it with: `g` [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/lib.rs:303:13 [INFO] [stderr] | [INFO] [stderr] 303 | edges: edges, [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `edges` [INFO] [stderr] | [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/lib.rs:362:13 [INFO] [stderr] | [INFO] [stderr] 362 | n: n, [INFO] [stderr] | ^^^^ help: replace it with: `n` [INFO] [stderr] | [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/lib.rs:425:13 [INFO] [stderr] | [INFO] [stderr] 425 | n: n, [INFO] [stderr] | ^^^^ help: replace it with: `n` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | #![cfg_attr(test, 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] warning: unneeded return statement [INFO] [stderr] --> src/lib.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | return tricode; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: remove `return` as shown: `tricode` [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/lib.rs:209:9 [INFO] [stderr] | [INFO] [stderr] 209 | return census; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove `return` as shown: `census` [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] error: Could not compile `triadic-census`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:357:50 [INFO] [stderr] | [INFO] [stderr] 357 | let vec_len = (n * n) / 64 + cmp::min(1, ((n * n) % 64)); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:411:50 [INFO] [stderr] | [INFO] [stderr] 411 | let vec_len = (n * n) / 64 + cmp::min(1, ((n * n) % 64)); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `IndexType` [INFO] [stderr] --> src/lib.rs:8:34 [INFO] [stderr] | [INFO] [stderr] 8 | use petgraph::graph::{NodeIndex, IndexType}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `1` [INFO] [stderr] --> src/lib.rs:64:20 [INFO] [stderr] | [INFO] [stderr] 64 | tricode |= 1 << 0; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::identity_op)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op [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/lib.rs:134:5 [INFO] [stderr] | [INFO] [stderr] 134 | / pub fn as_slice<'a>(&'a self) -> &'a [u64] { [INFO] [stderr] 135 | | &self.census[..] [INFO] [stderr] 136 | | } [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: casting i32 to i64 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:194:38 [INFO] [stderr] | [INFO] [stderr] 194 | let cnt = n as i64 - s_cnt as i64 - 2; [INFO] [stderr] | ^^^^^^^^^^^^ help: try: `i64::from(s_cnt)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `SimpleDigraph` [INFO] [stderr] --> src/lib.rs:219:5 [INFO] [stderr] | [INFO] [stderr] 219 | / pub fn new() -> SimpleDigraph { [INFO] [stderr] 220 | | SimpleDigraph { g: Graph::new() } [INFO] [stderr] 221 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 214 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "4339d08f0f446e39822e9c011999189edba81739d6ac220b6d88930f5a3d39de"` [INFO] running `"docker" "rm" "-f" "4339d08f0f446e39822e9c011999189edba81739d6ac220b6d88930f5a3d39de"` [INFO] [stdout] 4339d08f0f446e39822e9c011999189edba81739d6ac220b6d88930f5a3d39de