[INFO] updating cached repository gobanos/adventofcode-2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gobanos/adventofcode-2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gobanos/adventofcode-2016" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/gobanos/adventofcode-2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/gobanos/adventofcode-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gobanos/adventofcode-2016" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/gobanos/adventofcode-2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/gobanos/adventofcode-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d3f369f0921c25d0734cf710f9fcb8717c1b776
[INFO] sha for GitHub repo gobanos/adventofcode-2016: 5d3f369f0921c25d0734cf710f9fcb8717c1b776
[INFO] validating manifest of gobanos/adventofcode-2016 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gobanos/adventofcode-2016 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gobanos/adventofcode-2016
[INFO] finished frobbing gobanos/adventofcode-2016
[INFO] frobbed toml for gobanos/adventofcode-2016 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/gobanos/adventofcode-2016/Cargo.toml
[INFO] started frobbing gobanos/adventofcode-2016
[INFO] finished frobbing gobanos/adventofcode-2016
[INFO] frobbed toml for gobanos/adventofcode-2016 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/gobanos/adventofcode-2016/Cargo.toml
[INFO] crate gobanos/adventofcode-2016 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking gobanos/adventofcode-2016 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/gobanos/adventofcode-2016:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a5b8e55b99a92f054b85ea6d6c25410da9cb5d9c488a9b6fa9625f5958f0786b
[INFO] running `"docker" "start" "-a" "a5b8e55b99a92f054b85ea6d6c25410da9cb5d9c488a9b6fa9625f5958f0786b"`
[INFO] [stderr]     Checking adventofcode-2016 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem1.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     lazy_static! {
[INFO] [stderr] 51 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem1.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     lazy_static! {
[INFO] [stderr] 51 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem2.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 | /     lazy_static! {
[INFO] [stderr] 66 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem2.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 | /     lazy_static! {
[INFO] [stderr] 66 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem1.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     lazy_static! {
[INFO] [stderr] 51 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem1.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     lazy_static! {
[INFO] [stderr] 51 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem2.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 | /     lazy_static! {
[INFO] [stderr] 66 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day4/problem2.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 | /     lazy_static! {
[INFO] [stderr] 66 | |         static ref RE: Regex = Regex::new(r"(?m)^([a-z-]+)-(\d+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day3/problem2.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for (i, mut col) in cols.iter_mut().enumerate() {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem1.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 for mut row in self.pixels[0..dim.height].iter_mut() {
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 81 | make_sized_screen!(Screen, width: 50, height: 6);
[INFO] [stderr]    | ------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem1.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     for mut pixel in row[0..dim.width].iter_mut() {
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 81 | make_sized_screen!(Screen, width: 50, height: 6);
[INFO] [stderr]    | ------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem2.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         for mut row in self.pixels[0..dim.height].iter_mut() {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem2.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |             for mut pixel in row[0..dim.width].iter_mut() {
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nb_pixel_on`
[INFO] [stderr]   --> src/day8/problem2.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn nb_pixel_on(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day3/problem2.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for (i, mut col) in cols.iter_mut().enumerate() {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem1.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 for mut row in self.pixels[0..dim.height].iter_mut() {
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 81 | make_sized_screen!(Screen, width: 50, height: 6);
[INFO] [stderr]    | ------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem1.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |                     for mut pixel in row[0..dim.width].iter_mut() {
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 81 | make_sized_screen!(Screen, width: 50, height: 6);
[INFO] [stderr]    | ------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day8/problem1.rs:16:21
[INFO] [stderr]     |
[INFO] [stderr] 16  |                 for mut row in self.pixels[0..dim.height].iter_mut() {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 163 |     make_sized_screen!(TestScreen, width: 7, height: 3);
[INFO] [stderr]     |     ---------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day8/problem1.rs:17:25
[INFO] [stderr]     |
[INFO] [stderr] 17  |                     for mut pixel in row[0..dim.width].iter_mut() {
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 163 |     make_sized_screen!(TestScreen, width: 7, height: 3);
[INFO] [stderr]     |     ---------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem2.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         for mut row in self.pixels[0..dim.height].iter_mut() {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/problem2.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |             for mut pixel in row[0..dim.width].iter_mut() {
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nb_pixel_on`
[INFO] [stderr]    --> src/day8/problem1.rs:45:13
[INFO] [stderr]     |
[INFO] [stderr] 45  |             fn nb_pixel_on(&self) -> usize {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 163 |     make_sized_screen!(TestScreen, width: 7, height: 3);
[INFO] [stderr]     |     ---------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nb_pixel_on`
[INFO] [stderr]   --> src/day8/problem2.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn nb_pixel_on(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "a5b8e55b99a92f054b85ea6d6c25410da9cb5d9c488a9b6fa9625f5958f0786b"`
[INFO] running `"docker" "rm" "-f" "a5b8e55b99a92f054b85ea6d6c25410da9cb5d9c488a9b6fa9625f5958f0786b"`
[INFO] [stdout] a5b8e55b99a92f054b85ea6d6c25410da9cb5d9c488a9b6fa9625f5958f0786b