[INFO] crate um32 1.0.2 is already in cache [INFO] extracting crate um32 1.0.2 into work/ex/clippy-test-run/sources/stable/reg/um32/1.0.2 [INFO] extracting crate um32 1.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/um32/1.0.2 [INFO] validating manifest of um32-1.0.2 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 um32-1.0.2 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 um32-1.0.2 [INFO] finished frobbing um32-1.0.2 [INFO] frobbed toml for um32-1.0.2 written to work/ex/clippy-test-run/sources/stable/reg/um32/1.0.2/Cargo.toml [INFO] started frobbing um32-1.0.2 [INFO] finished frobbing um32-1.0.2 [INFO] frobbed toml for um32-1.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/um32/1.0.2/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 um32-1.0.2 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/um32/1.0.2:/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] 12bc31a616f8eb38e177e3d06ca1d8ed3c9c1ca064a86a3dccf74f15edd731a9 [INFO] running `"docker" "start" "-a" "12bc31a616f8eb38e177e3d06ca1d8ed3c9c1ca064a86a3dccf74f15edd731a9"` [INFO] [stderr] Checking um32 v1.0.2 (/opt/crater/workdir) [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:508:32 [INFO] [stderr] | [INFO] [stderr] 508 | let instruction: u32 = 0b00000000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::large_digit_groups)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:516:32 [INFO] [stderr] | [INFO] [stderr] 516 | let instruction: u32 = 0b00010000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0001_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:524:32 [INFO] [stderr] | [INFO] [stderr] 524 | let instruction: u32 = 0b00100000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0010_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:532:32 [INFO] [stderr] | [INFO] [stderr] 532 | let instruction: u32 = 0b00110000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0011_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:540:32 [INFO] [stderr] | [INFO] [stderr] 540 | let instruction: u32 = 0b01000000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0100_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:548:32 [INFO] [stderr] | [INFO] [stderr] 548 | let instruction: u32 = 0b01010000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0101_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:556:32 [INFO] [stderr] | [INFO] [stderr] 556 | let instruction: u32 = 0b01100000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0110_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:564:32 [INFO] [stderr] | [INFO] [stderr] 564 | let instruction: u32 = 0b01110000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0111_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:572:32 [INFO] [stderr] | [INFO] [stderr] 572 | let instruction: u32 = 0b10000000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1000_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:580:32 [INFO] [stderr] | [INFO] [stderr] 580 | let instruction: u32 = 0b10010000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1001_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:588:32 [INFO] [stderr] | [INFO] [stderr] 588 | let instruction: u32 = 0b10100000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1010_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:596:32 [INFO] [stderr] | [INFO] [stderr] 596 | let instruction: u32 = 0b10110000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1011_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:604:32 [INFO] [stderr] | [INFO] [stderr] 604 | let instruction: u32 = 0b11000000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1100_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:612:32 [INFO] [stderr] | [INFO] [stderr] 612 | let instruction: u32 = 0b11010000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1101_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:620:32 [INFO] [stderr] | [INFO] [stderr] 620 | let instruction: u32 = 0b11110000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1111_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:630:32 [INFO] [stderr] | [INFO] [stderr] 630 | let instruction: u32 = 0b00000000_00000000_00000001_11000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0001_1100_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:636:32 [INFO] [stderr] | [INFO] [stderr] 636 | let instruction: u32 = 0b00001110_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_1110_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:644:32 [INFO] [stderr] | [INFO] [stderr] 644 | let instruction: u32 = 0b00000000_00000000_00000000_00111000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0011_1000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:650:32 [INFO] [stderr] | [INFO] [stderr] 650 | let instruction: u32 = 0b00000000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:658:32 [INFO] [stderr] | [INFO] [stderr] 658 | let instruction: u32 = 0b00000000_00000000_00000000_00000111_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0000_0111_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:664:32 [INFO] [stderr] | [INFO] [stderr] 664 | let instruction: u32 = 0b00000000_00000000_00000000_00000000_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0000_0000_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:672:32 [INFO] [stderr] | [INFO] [stderr] 672 | let instruction: u32 = 0b00000001_11111111_11111111_11111111_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0001_1111_1111_1111_1111_1111_1111_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:678:32 [INFO] [stderr] | [INFO] [stderr] 678 | let instruction: u32 = 0b00000001_11111111_11111111_11111111_u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0001_1111_1111_1111_1111_1111_1111_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: digit groups should be smaller [INFO] [stderr] --> src/main.rs:680:13 [INFO] [stderr] | [INFO] [stderr] 680 | 0b1_11111111_11111111_11111111_u32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1_1111_1111_1111_1111_1111_1111_u32` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/main.rs:167:12 [INFO] [stderr] | [INFO] [stderr] 167 | if self.free_list.len() == 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.free_list.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/main.rs:356:9 [INFO] [stderr] | [INFO] [stderr] 356 | stdout().write(&[byte]).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:367:43 [INFO] [stderr] | [INFO] [stderr] 367 | self.registers.set(c, value as u32); [INFO] [stderr] | ^^^^^^^^^^^^ help: try: `u32::from(value)` [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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `um32`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/main.rs:167:12 [INFO] [stderr] | [INFO] [stderr] 167 | if self.free_list.len() == 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.free_list.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/main.rs:356:9 [INFO] [stderr] | [INFO] [stderr] 356 | stdout().write(&[byte]).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:367:43 [INFO] [stderr] | [INFO] [stderr] 367 | self.registers.set(c, value as u32); [INFO] [stderr] | ^^^^^^^^^^^^ help: try: `u32::from(value)` [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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `um32`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "12bc31a616f8eb38e177e3d06ca1d8ed3c9c1ca064a86a3dccf74f15edd731a9"` [INFO] running `"docker" "rm" "-f" "12bc31a616f8eb38e177e3d06ca1d8ed3c9c1ca064a86a3dccf74f15edd731a9"` [INFO] [stdout] 12bc31a616f8eb38e177e3d06ca1d8ed3c9c1ca064a86a3dccf74f15edd731a9