[INFO] crate str_stack 0.1.0 is already in cache [INFO] extracting crate str_stack 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/str_stack/0.1.0 [INFO] extracting crate str_stack 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/str_stack/0.1.0 [INFO] validating manifest of str_stack-0.1.0 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 str_stack-0.1.0 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 str_stack-0.1.0 [INFO] finished frobbing str_stack-0.1.0 [INFO] frobbed toml for str_stack-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/str_stack/0.1.0/Cargo.toml [INFO] started frobbing str_stack-0.1.0 [INFO] finished frobbing str_stack-0.1.0 [INFO] frobbed toml for str_stack-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/str_stack/0.1.0/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 str_stack-0.1.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/str_stack/0.1.0:/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 -Dclippy::into_iter_on_array" "-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] 1ade72e534be84cf004ad46701d64d2074758f71adc5ac3743fe9dbcf92f0aab [INFO] running `"docker" "start" "-a" "1ade72e534be84cf004ad46701d64d2074758f71adc5ac3743fe9dbcf92f0aab"` [INFO] [stderr] Checking str_stack v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:343:25 [INFO] [stderr] | [INFO] [stderr] 343 | write!(w, "{}", "first ").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::write_literal)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:344:25 [INFO] [stderr] | [INFO] [stderr] 344 | write!(w, "{}", "second").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:350:25 [INFO] [stderr] | [INFO] [stderr] 350 | write!(w, "{}", "third ").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:351:25 [INFO] [stderr] | [INFO] [stderr] 351 | write!(w, "{}", "fourth").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:343:25 [INFO] [stderr] | [INFO] [stderr] 343 | write!(w, "{}", "first ").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::write_literal)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:344:25 [INFO] [stderr] | [INFO] [stderr] 344 | write!(w, "{}", "second").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:350:25 [INFO] [stderr] | [INFO] [stderr] 350 | write!(w, "{}", "third ").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: literal with an empty format string [INFO] [stderr] --> src/lib.rs:351:25 [INFO] [stderr] | [INFO] [stderr] 351 | write!(w, "{}", "fourth").unwrap(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::slice_unchecked': use `get_unchecked(begin..end)` instead [INFO] [stderr] --> src/lib.rs:66:32 [INFO] [stderr] | [INFO] [stderr] 66 | Some(self.data.slice_unchecked(start, end)) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::slice_unchecked': use `get_unchecked(begin..end)` instead [INFO] [stderr] --> src/lib.rs:99:32 [INFO] [stderr] | [INFO] [stderr] 99 | Some(self.data.slice_unchecked(start, end)) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::slice_unchecked': use `get_unchecked(begin..end)` instead [INFO] [stderr] --> src/lib.rs:251:19 [INFO] [stderr] | [INFO] [stderr] 251 | self.data.slice_unchecked(start, end) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::slice_unchecked': use `get_unchecked(begin..end)` instead [INFO] [stderr] --> src/lib.rs:66:32 [INFO] [stderr] | [INFO] [stderr] 66 | Some(self.data.slice_unchecked(start, end)) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/lib.rs:21:21 [INFO] [stderr] | [INFO] [stderr] 21 | use std::io::{self, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::slice_unchecked': use `get_unchecked(begin..end)` instead [INFO] [stderr] --> src/lib.rs:99:32 [INFO] [stderr] | [INFO] [stderr] 99 | Some(self.data.slice_unchecked(start, end)) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::slice_unchecked': use `get_unchecked(begin..end)` instead [INFO] [stderr] --> src/lib.rs:251:19 [INFO] [stderr] | [INFO] [stderr] 251 | self.data.slice_unchecked(start, end) [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: item `StrStack` has a public `len` method but no corresponding `is_empty` method [INFO] [stderr] --> src/lib.rs:114:1 [INFO] [stderr] | [INFO] [stderr] 114 | / impl StrStack { [INFO] [stderr] 115 | | /// Create a new StrStack. [INFO] [stderr] 116 | | #[inline] [INFO] [stderr] 117 | | pub fn new() -> StrStack { [INFO] [stderr] ... | [INFO] [stderr] 252 | | } [INFO] [stderr] 253 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_without_is_empty)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/lib.rs:21:21 [INFO] [stderr] | [INFO] [stderr] 21 | use std::io::{self, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: item `StrStack` has a public `len` method but no corresponding `is_empty` method [INFO] [stderr] --> src/lib.rs:114:1 [INFO] [stderr] | [INFO] [stderr] 114 | / impl StrStack { [INFO] [stderr] 115 | | /// Create a new StrStack. [INFO] [stderr] 116 | | #[inline] [INFO] [stderr] 117 | | pub fn new() -> StrStack { [INFO] [stderr] ... | [INFO] [stderr] 252 | | } [INFO] [stderr] 253 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_without_is_empty)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty [INFO] [stderr] [INFO] [stderr] warning: calling `as_bytes()` on a string literal [INFO] [stderr] --> src/lib.rs:334:29 [INFO] [stderr] | [INFO] [stderr] 334 | let idx = stack.consume("testing".as_bytes()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"testing"` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::string_lit_as_bytes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![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 `str_stack`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "1ade72e534be84cf004ad46701d64d2074758f71adc5ac3743fe9dbcf92f0aab"` [INFO] running `"docker" "rm" "-f" "1ade72e534be84cf004ad46701d64d2074758f71adc5ac3743fe9dbcf92f0aab"` [INFO] [stdout] 1ade72e534be84cf004ad46701d64d2074758f71adc5ac3743fe9dbcf92f0aab