[INFO] crate magma 0.2.0 is already in cache
[INFO] extracting crate magma 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/magma/0.2.0
[INFO] extracting crate magma 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/magma/0.2.0
[INFO] validating manifest of magma-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 magma-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 magma-0.2.0
[INFO] finished frobbing magma-0.2.0
[INFO] frobbed toml for magma-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/magma/0.2.0/Cargo.toml
[INFO] started frobbing magma-0.2.0
[INFO] finished frobbing magma-0.2.0
[INFO] frobbed toml for magma-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/magma/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 magma-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-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/magma/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] 996e121461954e140d11b7cd11152f6a1821cc189b80f2bb3c715d263b0f2892
[INFO] running `"docker" "start" "-a" "996e121461954e140d11b7cd11152f6a1821cc189b80f2bb3c715d263b0f2892"`
[INFO] [stderr]     Checking magma v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |             v += (self.sbox[i][k] as u32) << shft;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.sbox[i][k])`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |             v += (self.sbox[i][k] as u32) << shft;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.sbox[i][k])`
[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: cannot find macro `bench!` in this scope
[INFO] [stderr]  --> benches/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | bench!(magma::Magma, 32);
[INFO] [stderr]   | ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `magma`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "996e121461954e140d11b7cd11152f6a1821cc189b80f2bb3c715d263b0f2892"`
[INFO] running `"docker" "rm" "-f" "996e121461954e140d11b7cd11152f6a1821cc189b80f2bb3c715d263b0f2892"`
[INFO] [stdout] 996e121461954e140d11b7cd11152f6a1821cc189b80f2bb3c715d263b0f2892