[INFO] updating cached repository https://github.com/gobanos/adventofcode-2016
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d3f369f0921c25d0734cf710f9fcb8717c1b776
[INFO] testing gobanos/adventofcode-2016 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgobanos%2Fadventofcode-2016" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gobanos/adventofcode-2016 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gobanos/adventofcode-2016
[INFO] finished tweaking git repo https://github.com/gobanos/adventofcode-2016
[INFO] tweaked toml for git repo https://github.com/gobanos/adventofcode-2016 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gobanos/adventofcode-2016 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 293ffe75c7e583273b88410f6e850ab953eb9ed1f28cd57196d2908e0cdf8aaa
[INFO] running `"docker" "start" "-a" "293ffe75c7e583273b88410f6e850ab953eb9ed1f28cd57196d2908e0cdf8aaa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling adventofcode-2016 v0.1.0 (/opt/rustwide/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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").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 (in Nightly builds, run with -Z 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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: associated function is never used: `nb_pixel_on`
[INFO] [stderr]   --> src/day8/problem2.rs:48:8
[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: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.72s
[INFO] running `"docker" "inspect" "293ffe75c7e583273b88410f6e850ab953eb9ed1f28cd57196d2908e0cdf8aaa"`
[INFO] running `"docker" "rm" "-f" "293ffe75c7e583273b88410f6e850ab953eb9ed1f28cd57196d2908e0cdf8aaa"`
[INFO] [stdout] 293ffe75c7e583273b88410f6e850ab953eb9ed1f28cd57196d2908e0cdf8aaa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3fa20315f2417afdc36bf21118a0a926303d4f15e5ef897de4153fa0617d4a63
[INFO] running `"docker" "start" "-a" "3fa20315f2417afdc36bf21118a0a926303d4f15e5ef897de4153fa0617d4a63"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling adventofcode-2016 v0.1.0 (/opt/rustwide/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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").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 (in Nightly builds, run with -Z 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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nb_pixel_on`
[INFO] [stderr]   --> src/day8/problem2.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn nb_pixel_on(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `"docker" "inspect" "3fa20315f2417afdc36bf21118a0a926303d4f15e5ef897de4153fa0617d4a63"`
[INFO] running `"docker" "rm" "-f" "3fa20315f2417afdc36bf21118a0a926303d4f15e5ef897de4153fa0617d4a63"`
[INFO] [stdout] 3fa20315f2417afdc36bf21118a0a926303d4f15e5ef897de4153fa0617d4a63
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79b2144ba86c1edc7c5abd6d6b0fd96973f9a92a1af07094a196cd3cc30ab37b
[INFO] running `"docker" "start" "-a" "79b2144ba86c1edc7c5abd6d6b0fd96973f9a92a1af07094a196cd3cc30ab37b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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 (in Nightly builds, run with -Z 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+)\[([a-z]{5})\]$").unwrap();
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/day8/problem1.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 | /     lazy_static! {
[INFO] [stderr] 101 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 102 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
[INFO] [stderr] 96 | |         static ref RE_ROTATE: Regex = Regex::new(r"^rotate (row|column) [xy]=(\d+) by (\d+)$").unwrap();
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/day8/problem2.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     lazy_static! {
[INFO] [stderr] 95 | |         static ref RE_RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").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 (in Nightly builds, run with -Z 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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nb_pixel_on`
[INFO] [stderr]   --> src/day8/problem2.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn nb_pixel_on(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adventofcode_2016-988ad678fa8469c2
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test day3::problem1::test::sample ... ok
[INFO] [stdout] test day3::problem1::parsed_valid ... ok
[INFO] [stdout] test day3::problem2::parsed_valid ... ok
[INFO] [stdout] test day3::problem2::test::sample ... ok
[INFO] [stdout] test day4::problem1::parsed_sample1 ... ok
[INFO] [stdout] test day1::problem1::parsed_sample1 ... ok
[INFO] [stdout] test day4::problem1::parsed_sample2 ... ok
[INFO] [stdout] test day1::problem1::test::sample2 ... ok
[INFO] [stdout] test day1::problem2::parsed_sample ... ok
[INFO] [stdout] test day3::problem1::test::valid ... ok
[INFO] [stdout] test day1::problem1::test::sample1 ... ok
[INFO] [stdout] test day2::problem1::parsed_sample ... ok
[INFO] [stdout] test day1::problem2::test::sample ... ok
[INFO] [stdout] test day2::problem1::test::sample ... ok
[INFO] [stdout] test day3::problem2::parsed_sample ... ok
[INFO] [stdout] test day1::problem1::parsed_sample3 ... ok
[INFO] [stdout] test day3::problem1::parsed_sample ... ok
[INFO] [stdout] test day4::problem1::parsed_sample4 ... ok
[INFO] [stdout] test day1::problem1::test::sample3 ... ok
[INFO] [stdout] test day4::problem1::parsed_sample3 ... ok
[INFO] [stdout] test day4::problem2::parsed_sample2 ... ok
[INFO] [stdout] test day1::problem1::parsed_sample2 ... ok
[INFO] [stdout] test day2::problem2::test::sample ... ok
[INFO] [stdout] test day4::problem2::decrypt ... ok
[INFO] [stdout] test day4::problem2::parsed_sample1 ... ok
[INFO] [stdout] test day4::problem2::parsed_sample4 ... ok
[INFO] [stdout] test day2::problem2::parsed_sample ... ok
[INFO] [stdout] test day4::problem2::parsed_sample3 ... ok
[INFO] [stdout] test day7::problem1::parsed_sample1 ... ok
[INFO] [stdout] test day7::problem1::parsed_sample2 ... ok
[INFO] [stdout] test day6::problem2::sample ... ok
[INFO] [stdout] test day7::problem2::sample1 ... ok
[INFO] [stdout] test day6::problem1::sample ... ok
[INFO] [stdout] test day7::problem2::aba ... ok
[INFO] [stdout] test day7::problem1::test::sample ... ok
[INFO] [stdout] test day7::problem2::test::sample ... ok
[INFO] [stdout] test day4::problem1::test::sample ... ok
[INFO] [stdout] test day7::problem1::sample1 ... ok
[INFO] [stdout] test day7::problem2::word_aba ... ok
[INFO] [stdout] test day8::problem1::test::sample ... ok
[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 ... test day5::problem1::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" "79b2144ba86c1edc7c5abd6d6b0fd96973f9a92a1af07094a196cd3cc30ab37b"`
[INFO] running `"docker" "rm" "-f" "79b2144ba86c1edc7c5abd6d6b0fd96973f9a92a1af07094a196cd3cc30ab37b"`
[INFO] [stdout] 79b2144ba86c1edc7c5abd6d6b0fd96973f9a92a1af07094a196cd3cc30ab37b