[INFO] updating cached repository petertseng/adventofcode-rs-2015
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/petertseng/adventofcode-rs-2015
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/petertseng/adventofcode-rs-2015" "work/ex/clippy-test-run/sources/stable/gh/petertseng/adventofcode-rs-2015"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/petertseng/adventofcode-rs-2015'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/petertseng/adventofcode-rs-2015" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/petertseng/adventofcode-rs-2015"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/petertseng/adventofcode-rs-2015'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 039cf64b28458c88dd611e0bdcac4877c1f41f5b
[INFO] sha for GitHub repo petertseng/adventofcode-rs-2015: 039cf64b28458c88dd611e0bdcac4877c1f41f5b
[INFO] validating manifest of petertseng/adventofcode-rs-2015 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 petertseng/adventofcode-rs-2015 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 petertseng/adventofcode-rs-2015
[INFO] finished frobbing petertseng/adventofcode-rs-2015
[INFO] frobbed toml for petertseng/adventofcode-rs-2015 written to work/ex/clippy-test-run/sources/stable/gh/petertseng/adventofcode-rs-2015/Cargo.toml
[INFO] started frobbing petertseng/adventofcode-rs-2015
[INFO] finished frobbing petertseng/adventofcode-rs-2015
[INFO] frobbed toml for petertseng/adventofcode-rs-2015 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/petertseng/adventofcode-rs-2015/Cargo.toml
[INFO] crate petertseng/adventofcode-rs-2015 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 petertseng/adventofcode-rs-2015 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/gh/petertseng/adventofcode-rs-2015:/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] 79912a79fffa5e90aa1d8abe9b7d74a091a0995212018c4ee26eca06f4c188c4
[INFO] running `"docker" "start" "-a" "79912a79fffa5e90aa1d8abe9b7d74a091a0995212018c4ee26eca06f4c188c4"`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking adventofcode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/md5/mod.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let mut c = c0;
[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/md5/mod.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let mut d = d0;
[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/md5/mod.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let mut c = c0;
[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/md5/mod.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let mut d = d0;
[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/md5/mod.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![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/md5/mod.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![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/md5/mod.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![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/md5/mod.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![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/md5/mod.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![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/md5/mod.rs:4:45
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::unreadable_literal`
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bin/15_cookies.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if ingredients.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `ingredients.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/bin/11_passwords.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     if pw[i] == 'z' 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'z'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]  --> src/bin/11_passwords.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |         pw[i] = 'a' as u8;
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: Consider using a byte literal instead:
[INFO] [stderr]           b'a'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/bin/11_passwords.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         if c == 'i' as u8 || c == 'o' as u8 || c == 'l' as u8 {
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'i'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/bin/11_passwords.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |         if c == 'i' as u8 || c == 'o' as u8 || c == 'l' as u8 {
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'o'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/bin/11_passwords.rs:29:53
[INFO] [stderr]    |
[INFO] [stderr] 29 |         if c == 'i' as u8 || c == 'o' as u8 || c == 'l' as u8 {
[INFO] [stderr]    |                                                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'l'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]  --> src/bin/11_passwords.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     if pw[i] == 'z' 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'z'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]  --> src/bin/11_passwords.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |         pw[i] = 'a' as u8;
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: Consider using a byte literal instead:
[INFO] [stderr]           b'a'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/bin/11_passwords.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         if c == 'i' as u8 || c == 'o' as u8 || c == 'l' as u8 {
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'i'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/bin/11_passwords.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |         if c == 'i' as u8 || c == 'o' as u8 || c == 'l' as u8 {
[INFO] [stderr]    |                                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'o'
[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 character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/bin/11_passwords.rs:29:53
[INFO] [stderr]    |
[INFO] [stderr] 29 |         if c == 'i' as u8 || c == 'o' as u8 || c == 'l' as u8 {
[INFO] [stderr]    |                                                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'l'
[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: length comparison to zero
[INFO] [stderr]   --> src/bin/15_cookies.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if ingredients.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `ingredients.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `"docker" "inspect" "79912a79fffa5e90aa1d8abe9b7d74a091a0995212018c4ee26eca06f4c188c4"`
[INFO] running `"docker" "rm" "-f" "79912a79fffa5e90aa1d8abe9b7d74a091a0995212018c4ee26eca06f4c188c4"`
[INFO] [stdout] 79912a79fffa5e90aa1d8abe9b7d74a091a0995212018c4ee26eca06f4c188c4