[INFO] updating cached repository BrianLee608/adventofcode2017rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BrianLee608/adventofcode2017rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BrianLee608/adventofcode2017rust" "work/ex/clippy-test-run/sources/stable/gh/BrianLee608/adventofcode2017rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/BrianLee608/adventofcode2017rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BrianLee608/adventofcode2017rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BrianLee608/adventofcode2017rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BrianLee608/adventofcode2017rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a47b55f3ce8b0112177be640939ce88187b9dbd5
[INFO] sha for GitHub repo BrianLee608/adventofcode2017rust: a47b55f3ce8b0112177be640939ce88187b9dbd5
[INFO] validating manifest of BrianLee608/adventofcode2017rust 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 BrianLee608/adventofcode2017rust 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 BrianLee608/adventofcode2017rust
[INFO] finished frobbing BrianLee608/adventofcode2017rust
[INFO] frobbed toml for BrianLee608/adventofcode2017rust written to work/ex/clippy-test-run/sources/stable/gh/BrianLee608/adventofcode2017rust/Cargo.toml
[INFO] started frobbing BrianLee608/adventofcode2017rust
[INFO] finished frobbing BrianLee608/adventofcode2017rust
[INFO] frobbed toml for BrianLee608/adventofcode2017rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BrianLee608/adventofcode2017rust/Cargo.toml
[INFO] crate BrianLee608/adventofcode2017rust has a lockfile. skipping
[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 BrianLee608/adventofcode2017rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/BrianLee608/adventofcode2017rust:/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] a3e26572ac7ea21a502b7e636de59a7e96de88ccbfff7e67aac226330143b4da
[INFO] running `"docker" "start" "-a" "a3e26572ac7ea21a502b7e636de59a7e96de88ccbfff7e67aac226330143b4da"`
[INFO] [stderr]     Checking adventofcode2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `min_max_diff`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn min_max_diff(line: &str) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/day1.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let num = *d - '0' as u8;
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'0'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/day1.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |             ans += num as u64;
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `u64::from(num)`
[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: function is never used: `min_max_diff`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn min_max_diff(line: &str) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/day1.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let num = *d - '0' as u8;
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'0'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/day1.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |             ans += num as u64;
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `u64::from(num)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "a3e26572ac7ea21a502b7e636de59a7e96de88ccbfff7e67aac226330143b4da"`
[INFO] running `"docker" "rm" "-f" "a3e26572ac7ea21a502b7e636de59a7e96de88ccbfff7e67aac226330143b4da"`
[INFO] [stdout] a3e26572ac7ea21a502b7e636de59a7e96de88ccbfff7e67aac226330143b4da