[INFO] cloning repository https://github.com/doxxx/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doxxx/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoxxx%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoxxx%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6079c574a00df7b55e455fac66bc6c46b74242e
[INFO] testing doxxx/aoc2018 against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoxxx%2Faoc2018" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/doxxx/aoc2018
[INFO] finished tweaking git repo https://github.com/doxxx/aoc2018
[INFO] tweaked toml for git repo https://github.com/doxxx/aoc2018 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/doxxx/aoc2018 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/doxxx/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8efa1fd99592da5d1a3fff332024d2a4770a6b2135352b3b29718c2d2f7d3d7
[INFO] running `Command { std: "docker" "start" "-a" "a8efa1fd99592da5d1a3fff332024d2a4770a6b2135352b3b29718c2d2f7d3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8efa1fd99592da5d1a3fff332024d2a4770a6b2135352b3b29718c2d2f7d3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8efa1fd99592da5d1a3fff332024d2a4770a6b2135352b3b29718c2d2f7d3d7", kill_on_drop: false }`
[INFO] [stdout] a8efa1fd99592da5d1a3fff332024d2a4770a6b2135352b3b29718c2d2f7d3d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b1d7893d98c73c90e31733d4cce91f205c5cb9bba8391c6eb51afe26ead5d4
[INFO] running `Command { std: "docker" "start" "-a" "77b1d7893d98c73c90e31733d4cce91f205c5cb9bba8391c6eb51afe26ead5d4", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]    Compiling xml-rs v0.7.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling parking_lot v0.6.4
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[INFO] [stderr]    Compiling percent-encoding v1.0.1
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[INFO] [stderr]    Compiling serde_derive v1.0.82
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[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> shared/src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stdout]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> GridIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day4/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let mut val = minutes.entry(*min).or_insert_with(|| GuardSleepCount{id: guard.id, count: *count});
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 28 -         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout] 28 +         static ref TIME_RE: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `begins_shift_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 29 -         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout] 29 +         static ref BEGINS_SHIFT_RE: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day7/src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 26 -         static ref re: Regex =
[INFO] [stdout] 26 +         static ref RE: Regex =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day9/src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 23 -         static ref re: Regex =
[INFO] [stdout] 23 +         static ref RE: Regex =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day8/src/main.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut dyn Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> day8/src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 61 |     fn print(&self, indent: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling piston-gfx_texture v0.34.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.52.0
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.48.0
[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling piston_window v0.81.0
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day10/src/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 24 -         static ref re: Regex =
[INFO] [stdout] 24 +         static ref RE: Regex =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "77b1d7893d98c73c90e31733d4cce91f205c5cb9bba8391c6eb51afe26ead5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b1d7893d98c73c90e31733d4cce91f205c5cb9bba8391c6eb51afe26ead5d4", kill_on_drop: false }`
[INFO] [stdout] 77b1d7893d98c73c90e31733d4cce91f205c5cb9bba8391c6eb51afe26ead5d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a40cf748fb5ad4e6435770e9ef148eb9e74409826db7ce1f9e634fe54fd183ae
[INFO] running `Command { std: "docker" "start" "-a" "a40cf748fb5ad4e6435770e9ef148eb9e74409826db7ce1f9e634fe54fd183ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> shared/src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stdout]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> GridIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day10/src/main.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 24 -         static ref re: Regex =
[INFO] [stdout] 24 +         static ref RE: Regex =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day7/src/main.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 26 -         static ref re: Regex =
[INFO] [stdout] 26 +         static ref RE: Regex =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day4/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let mut val = minutes.entry(*min).or_insert_with(|| GuardSleepCount{id: guard.id, count: *count});
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `time_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 28 -         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout] 28 +         static ref TIME_RE: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `begins_shift_re` should have an upper case name
[INFO] [stdout]   --> day4/src/main.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 29 -         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout] 29 +         static ref BEGINS_SHIFT_RE: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `re` should have an upper case name
[INFO] [stdout]   --> day9/src/main.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         static ref re: Regex =
[INFO] [stdout]    |                    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 23 -         static ref re: Regex =
[INFO] [stdout] 23 +         static ref RE: Regex =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> shared/src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stdout]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> GridIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day8/src/main.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_tree(data: &mut dyn Iterator<Item = usize>) -> Node {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> day8/src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 61 |     fn print(&self, indent: usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "a40cf748fb5ad4e6435770e9ef148eb9e74409826db7ce1f9e634fe54fd183ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40cf748fb5ad4e6435770e9ef148eb9e74409826db7ce1f9e634fe54fd183ae", kill_on_drop: false }`
[INFO] [stdout] a40cf748fb5ad4e6435770e9ef148eb9e74409826db7ce1f9e634fe54fd183ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50087c213d61dcd34a71a8753b4b903467e87dc39939e1be70ff696c99c2cdf0
[INFO] running `Command { std: "docker" "start" "-a" "50087c213d61dcd34a71a8753b4b903467e87dc39939e1be70ff696c99c2cdf0", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> shared/src/lib.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stderr]    |                 ^^^^^     ----------- the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> GridIter<'_, T> {
[INFO] [stderr]    |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `shared` (lib) generated 1 warning
[INFO] [stderr] warning: static variable `re` should have an upper case name
[INFO] [stderr]   --> day10/src/main.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |         static ref re: Regex =
[INFO] [stderr]    |                    ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 24 -         static ref re: Regex =
[INFO] [stderr] 24 +         static ref RE: Regex =
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `day10` (bin "day10" test) generated 1 warning (run `cargo fix --bin "day10" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: static variable `re` should have an upper case name
[INFO] [stderr]   --> day7/src/main.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 |         static ref re: Regex =
[INFO] [stderr]    |                    ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 26 -         static ref re: Regex =
[INFO] [stderr] 26 +         static ref RE: Regex =
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `day7` (bin "day7" test) generated 1 warning (run `cargo fix --bin "day7" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> day4/src/main.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let mut val = minutes.entry(*min).or_insert_with(|| GuardSleepCount{id: guard.id, count: *count});
[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: static variable `time_re` should have an upper case name
[INFO] [stderr]   --> day4/src/main.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stderr]    |                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 28 -         static ref time_re: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stderr] 28 +         static ref TIME_RE: Regex = Regex::new(r"\[(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2})\]").unwrap();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `begins_shift_re` should have an upper case name
[INFO] [stderr]   --> day4/src/main.rs:29:20
[INFO] [stderr]    |
[INFO] [stderr] 29 |         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 29 -         static ref begins_shift_re: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stderr] 29 +         static ref BEGINS_SHIFT_RE: Regex = Regex::new(r"Guard #(\d+) begins shift").unwrap();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `day4` (bin "day4" test) generated 3 warnings (run `cargo fix --bin "day4" --tests` to apply 3 suggestions)
[INFO] [stderr] warning: static variable `re` should have an upper case name
[INFO] [stderr]   --> day9/src/main.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |         static ref re: Regex =
[INFO] [stderr]    |                    ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 23 -         static ref re: Regex =
[INFO] [stderr] 23 +         static ref RE: Regex =
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `day9` (bin "day9" test) generated 1 warning (run `cargo fix --bin "day9" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `shared` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day8/src/main.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn build_tree(data: &mut Iterator<Item = usize>) -> Node {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn build_tree(data: &mut dyn Iterator<Item = usize>) -> Node {
[INFO] [stderr]    |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: method `print` is never used
[INFO] [stderr]   --> day8/src/main.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl Node {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 61 |     fn print(&self, indent: usize) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day8` (bin "day8" test) generated 2 warnings (run `cargo fix --bin "day8" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day1-5f4e5d5f96502537)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day10-7f2d5b5f15fe12ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day11-8f92644af71413bd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day12-5dc63e654316d0ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day13-1071752d6da12ea8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day14-01aab2986539be72)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day2-5449dcce914238aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day3-0feea7a5e4cf0a72)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day4-0d0a6570d794e224)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day5-9f21024a5373e312)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day6-6f4beffbfd9f3399)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day7-fb09250ff48cd8a8)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day8-6666ddcdadf3cff3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day9-151d0ba1d61abd49)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shared-7f344fa3f39cfd7d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50087c213d61dcd34a71a8753b4b903467e87dc39939e1be70ff696c99c2cdf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50087c213d61dcd34a71a8753b4b903467e87dc39939e1be70ff696c99c2cdf0", kill_on_drop: false }`
[INFO] [stdout] 50087c213d61dcd34a71a8753b4b903467e87dc39939e1be70ff696c99c2cdf0
