[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/beta-1.38-1/sources/1.37.0/gh/gobanos/adventofcode-2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gobanos/adventofcode-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gobanos/adventofcode-2016" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gobanos/adventofcode-2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gobanos/adventofcode-2016 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gobanos/adventofcode-2016 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7e067b3f48ad52689776fa62f3b56875ce0496455104baeddcd67586fae51171
[INFO] running `"docker" "start" "-a" "7e067b3f48ad52689776fa62f3b56875ce0496455104baeddcd67586fae51171"`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `"docker" "inspect" "7e067b3f48ad52689776fa62f3b56875ce0496455104baeddcd67586fae51171"`
[INFO] running `"docker" "rm" "-f" "7e067b3f48ad52689776fa62f3b56875ce0496455104baeddcd67586fae51171"`
[INFO] [stdout] 7e067b3f48ad52689776fa62f3b56875ce0496455104baeddcd67586fae51171
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ed3334e55f61c9cb9ee450c96fd460ae4155eb1c8daabc6bdaf414b4d2069b42
[INFO] running `"docker" "start" "-a" "ed3334e55f61c9cb9ee450c96fd460ae4155eb1c8daabc6bdaf414b4d2069b42"`
[INFO] [stderr]    Compiling 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: 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 4.26s
[INFO] running `"docker" "inspect" "ed3334e55f61c9cb9ee450c96fd460ae4155eb1c8daabc6bdaf414b4d2069b42"`
[INFO] running `"docker" "rm" "-f" "ed3334e55f61c9cb9ee450c96fd460ae4155eb1c8daabc6bdaf414b4d2069b42"`
[INFO] [stdout] ed3334e55f61c9cb9ee450c96fd460ae4155eb1c8daabc6bdaf414b4d2069b42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b51df309fcb3f447c3ef66222b30fbe74930456b748ba4486c0137957086e9d2
[INFO] running `"docker" "start" "-a" "b51df309fcb3f447c3ef66222b30fbe74930456b748ba4486c0137957086e9d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adventofcode_2016-64c1ad20c80834cc
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test day1::problem1::parsed_sample1 ... ok
[INFO] [stdout] test day1::problem1::parsed_sample2 ... ok
[INFO] [stdout] test day1::problem1::parsed_sample3 ... ok
[INFO] [stdout] test day1::problem1::test::sample1 ... ok
[INFO] [stdout] test day1::problem1::test::sample2 ... ok
[INFO] [stdout] test day1::problem1::test::sample3 ... ok
[INFO] [stdout] test day2::problem2::parsed_sample ... ok
[INFO] [stdout] test day1::problem2::test::sample ... ok
[INFO] [stdout] test day1::problem2::parsed_sample ... ok
[INFO] [stdout] test day2::problem1::parsed_sample ... ok
[INFO] [stdout] test day2::problem1::test::sample ... ok
[INFO] [stdout] test day3::problem1::parsed_sample ... ok
[INFO] [stdout] test day3::problem1::parsed_valid ... ok
[INFO] [stdout] test day2::problem2::test::sample ... ok
[INFO] [stdout] test day3::problem1::test::sample ... ok
[INFO] [stdout] test day3::problem2::parsed_sample ... ok
[INFO] [stdout] test day3::problem2::parsed_valid ... ok
[INFO] [stdout] test day3::problem2::test::sample ... ok
[INFO] [stdout] test day3::problem1::test::valid ... ok
[INFO] [stdout] test day4::problem2::decrypt ... ok
[INFO] [stdout] test day4::problem1::parsed_sample1 ... ok
[INFO] [stdout] test day4::problem1::parsed_sample2 ... ok
[INFO] [stdout] test day4::problem2::parsed_sample1 ... ok
[INFO] [stdout] test day4::problem1::parsed_sample3 ... ok
[INFO] [stdout] test day4::problem2::parsed_sample4 ... ok
[INFO] [stdout] test day4::problem2::parsed_sample2 ... ok
[INFO] [stdout] test day4::problem2::parsed_sample3 ... ok
[INFO] [stdout] test day6::problem1::sample ... ok
[INFO] [stdout] test day4::problem1::parsed_sample4 ... ok
[INFO] [stdout] test day6::problem2::sample ... ok
[INFO] [stdout] test day7::problem1::parsed_sample1 ... ok
[INFO] [stdout] test day7::problem1::parsed_sample2 ... ok
[INFO] [stdout] test day7::problem1::sample1 ... ok
[INFO] [stdout] test day7::problem2::aba ... ok
[INFO] [stdout] test day7::problem2::sample1 ... ok
[INFO] [stdout] test day7::problem1::test::sample ... ok
[INFO] [stdout] test day7::problem2::word_aba ... ok
[INFO] [stdout] test day7::problem2::test::sample ... ok
[INFO] [stdout] test day4::problem1::test::sample ... ok
[INFO] [stdout] test day8::problem1::test::sample ... ok
[INFO] [stdout] test day5::problem1::sample ... test day5::problem1::sample has been running for over 60 seconds
[INFO] [stdout] test day5::problem1::test::sample ... test day5::problem1::test::sample has been running for over 60 seconds
[INFO] [stdout] test day5::problem2::test::sample ... test day5::problem2::test::sample has been running for over 60 seconds
[INFO] [stdout] test day5::problem1::sample ... ok
[INFO] [stdout] test day5::problem1::test::sample ... ok
[INFO] [stdout] test day5::problem2::test::sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b51df309fcb3f447c3ef66222b30fbe74930456b748ba4486c0137957086e9d2"`
[INFO] running `"docker" "rm" "-f" "b51df309fcb3f447c3ef66222b30fbe74930456b748ba4486c0137957086e9d2"`
[INFO] [stdout] b51df309fcb3f447c3ef66222b30fbe74930456b748ba4486c0137957086e9d2