[INFO] crate adler32 1.0.3 is already in cache [INFO] extracting crate adler32 1.0.3 into work/ex/clippy-test-run/sources/stable/reg/adler32/1.0.3 [INFO] extracting crate adler32 1.0.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/adler32/1.0.3 [INFO] validating manifest of adler32-1.0.3 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 adler32-1.0.3 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 adler32-1.0.3 [INFO] finished frobbing adler32-1.0.3 [INFO] frobbed toml for adler32-1.0.3 written to work/ex/clippy-test-run/sources/stable/reg/adler32/1.0.3/Cargo.toml [INFO] started frobbing adler32-1.0.3 [INFO] finished frobbing adler32-1.0.3 [INFO] frobbed toml for adler32-1.0.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/adler32/1.0.3/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 adler32-1.0.3 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-1/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/adler32/1.0.3:/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] f768fae22d88f7a206e22dee548fc2b027913e1ea567745ad05420c8c1d492c9 [INFO] running `"docker" "start" "-a" "f768fae22d88f7a206e22dee548fc2b027913e1ea567745ad05420c8c1d492c9"` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking adler32 v1.0.3 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:102:26 [INFO] [stderr] | [INFO] [stderr] 102 | RollingAdler32 { a: a, b: b } [INFO] [stderr] | ^^^^ help: replace it with: `a` [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:102:32 [INFO] [stderr] | [INFO] [stderr] 102 | RollingAdler32 { a: a, b: b } [INFO] [stderr] | ^^^^ help: replace it with: `b` [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[E0602]: unknown lint: `clippy::into_iter_on_array` [INFO] [stderr] | [INFO] [stderr] = note: requested on the command line with `-D clippy::into_iter_on_array` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0602`. [INFO] [stderr] error: Could not compile `libc`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:54:15 [INFO] [stderr] | [INFO] [stderr] 54 | *adler += buf[0] as u32; [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `u32::from(buf[0])` [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 `RollingAdler32` [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | / pub fn new() -> RollingAdler32 { [INFO] [stderr] 95 | | Self::from_value(1) [INFO] [stderr] 96 | | } [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] 87 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:119:20 [INFO] [stderr] | [INFO] [stderr] 119 | let byte = byte as u32; [INFO] [stderr] | ^^^^^^^^^^^ help: try: `u32::from(byte)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:128:20 [INFO] [stderr] | [INFO] [stderr] 128 | let byte = byte as u32; [INFO] [stderr] | ^^^^^^^^^^^ help: try: `u32::from(byte)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: the loop variable `pos` is only used to index `buffer`. [INFO] [stderr] --> src/lib.rs:145:24 [INFO] [stderr] | [INFO] [stderr] 145 | for pos in 0..len { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 145 | for in buffer.iter().take(len) { [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:146:27 [INFO] [stderr] | [INFO] [stderr] 146 | self.a += buffer[pos] as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(buffer[pos])` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change [INFO] [stderr] --> src/lib.rs:177:27 [INFO] [stderr] | [INFO] [stderr] 177 | self.a += buffer[pos] as u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(buffer[pos])` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f768fae22d88f7a206e22dee548fc2b027913e1ea567745ad05420c8c1d492c9"` [INFO] running `"docker" "rm" "-f" "f768fae22d88f7a206e22dee548fc2b027913e1ea567745ad05420c8c1d492c9"` [INFO] [stdout] f768fae22d88f7a206e22dee548fc2b027913e1ea567745ad05420c8c1d492c9