[INFO] crate untis 0.2.1 is already in cache
[INFO] extracting crate untis 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/untis/0.2.1
[INFO] extracting crate untis 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/untis/0.2.1
[INFO] validating manifest of untis-0.2.1 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 untis-0.2.1 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 untis-0.2.1
[INFO] finished frobbing untis-0.2.1
[INFO] frobbed toml for untis-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/untis/0.2.1/Cargo.toml
[INFO] started frobbing untis-0.2.1
[INFO] finished frobbing untis-0.2.1
[INFO] frobbed toml for untis-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/untis/0.2.1/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 untis-0.2.1 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/untis/0.2.1:/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] bc405e0892acd544bc3d1effb785ca66e23af31a5ad582d965cea4af24beb70e
[INFO] running `"docker" "start" "-a" "bc405e0892acd544bc3d1effb785ca66e23af31a5ad582d965cea4af24beb70e"`
[INFO] [stderr]     Checking untis v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/date.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     number
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/date.rs:120:18
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let number = string.parse::<u32>().unwrap();
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/time.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     number
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/time.rs:97:18
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let number = string.trim().parse::<u32>().unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/date.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     number
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/date.rs:120:18
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let number = string.parse::<u32>().unwrap();
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/date.rs:140:22
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let number = 20180316;
[INFO] [stderr]     |                      ^^^^^^^^ help: consider: `20_180_316`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/time.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     number
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/time.rs:97:18
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let number = string.trim().parse::<u32>().unwrap();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/date.rs:13:44
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let monday = date - Duration::days(days_from_monday as i64);
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(days_from_monday)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/date.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let days_from_monday = date.weekday().num_days_from_monday() as i64;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(date.weekday().num_days_from_monday())`
[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/date.rs:96:45
[INFO] [stderr]    |
[INFO] [stderr] 96 |         Ok(UntisDate(chrono_from_untis_date(value as u32)))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/date.rs:102:45
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Ok(UntisDate(chrono_from_untis_date(value as u32)))
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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/time.rs:73:45
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Ok(UntisTime(chrono_from_untis_time(value as u32)))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/time.rs:79:45
[INFO] [stderr]    |
[INFO] [stderr] 79 |         Ok(UntisTime(chrono_from_untis_time(value as u32)))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/date.rs:13:44
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let monday = date - Duration::days(days_from_monday as i64);
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(days_from_monday)`
[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/date.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let days_from_monday = date.weekday().num_days_from_monday() as i64;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(date.weekday().num_days_from_monday())`
[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/date.rs:96:45
[INFO] [stderr]    |
[INFO] [stderr] 96 |         Ok(UntisDate(chrono_from_untis_date(value as u32)))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/date.rs:102:45
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Ok(UntisDate(chrono_from_untis_date(value as u32)))
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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/time.rs:73:45
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Ok(UntisTime(chrono_from_untis_time(value as u32)))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/time.rs:79:45
[INFO] [stderr]    |
[INFO] [stderr] 79 |         Ok(UntisTime(chrono_from_untis_time(value as u32)))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: try: `u32::from(value)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 14.08s
[INFO] running `"docker" "inspect" "bc405e0892acd544bc3d1effb785ca66e23af31a5ad582d965cea4af24beb70e"`
[INFO] running `"docker" "rm" "-f" "bc405e0892acd544bc3d1effb785ca66e23af31a5ad582d965cea4af24beb70e"`
[INFO] [stdout] bc405e0892acd544bc3d1effb785ca66e23af31a5ad582d965cea4af24beb70e