[INFO] crate sha2 0.8.0 is already in cache
[INFO] extracting crate sha2 0.8.0 into work/ex/clippy-test-run/sources/stable/reg/sha2/0.8.0
[INFO] extracting crate sha2 0.8.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sha2/0.8.0
[INFO] validating manifest of sha2-0.8.0 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 sha2-0.8.0 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 sha2-0.8.0
[INFO] finished frobbing sha2-0.8.0
[INFO] frobbed toml for sha2-0.8.0 written to work/ex/clippy-test-run/sources/stable/reg/sha2/0.8.0/Cargo.toml
[INFO] started frobbing sha2-0.8.0
[INFO] finished frobbing sha2-0.8.0
[INFO] frobbed toml for sha2-0.8.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sha2/0.8.0/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 sha2-0.8.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/sha2/0.8.0:/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] 85769b9fb3431bcf1bc48c686639be8bb8e2168a734c56c62251c72b19574e50
[INFO] running `"docker" "start" "-a" "85769b9fb3431bcf1bc48c686639be8bb8e2168a734c56c62251c72b19574e50"`
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]     Checking hex-literal v0.1.2
[INFO] [stderr]     Checking block-buffer v0.7.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:157:24
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let u32x4(a, b, e, f) = abef;
[INFO] [stderr]     |                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:15
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:18
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:21
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:24
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:173:18
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let u64x2(b, f) = bf;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:174:15
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let u64x2(c, g) = cg;
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:174:18
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let u64x2(c, g) = cg;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:175:15
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let u64x2(d, h) = dh;
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:175:18
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let u64x2(d, h) = dh;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:157:24
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let u32x4(a, b, e, f) = abef;
[INFO] [stderr]     |                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:15
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:18
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:21
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/sha256_utils.rs:158:24
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let u32x4(c, d, g, h) = cdgh;
[INFO] [stderr]     |                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:173:18
[INFO] [stderr]     |
[INFO] [stderr] 173 |     let u64x2(b, f) = bf;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:174:15
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let u64x2(c, g) = cg;
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:174:18
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let u64x2(c, g) = cg;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:175:15
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let u64x2(d, h) = dh;
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/sha512_utils.rs:175:18
[INFO] [stderr]     |
[INFO] [stderr] 175 |     let u64x2(d, h) = dh;
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `unreadable_literal` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/consts.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::unreadable_literal`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `many_single_char_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/sha256_utils.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(many_single_char_names))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::many_single_char_names`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `many_single_char_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/sha512_utils.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(many_single_char_names))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::many_single_char_names`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `unreadable_literal` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/consts.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::unreadable_literal`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `unreadable_literal` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/consts.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::unreadable_literal`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `many_single_char_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/sha256_utils.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(many_single_char_names))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::many_single_char_names`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `many_single_char_names` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/sha512_utils.rs:1:45
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "cargo-clippy", allow(many_single_char_names))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::many_single_char_names`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `unreadable_literal` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/consts.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::unreadable_literal`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/sha256.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![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 `sha2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/sha512.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![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 `sha2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "85769b9fb3431bcf1bc48c686639be8bb8e2168a734c56c62251c72b19574e50"`
[INFO] running `"docker" "rm" "-f" "85769b9fb3431bcf1bc48c686639be8bb8e2168a734c56c62251c72b19574e50"`
[INFO] [stdout] 85769b9fb3431bcf1bc48c686639be8bb8e2168a734c56c62251c72b19574e50