[INFO] cloning repository https://github.com/roscale/advent-of-code-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roscale/advent-of-code-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froscale%2Fadvent-of-code-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froscale%2Fadvent-of-code-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2b0fc6e4f21e40fb862b943d6326a4b33044210
[INFO] checking roscale/advent-of-code-2024 against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froscale%2Fadvent-of-code-2024" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/roscale/advent-of-code-2024
[INFO] finished tweaking git repo https://github.com/roscale/advent-of-code-2024
[INFO] tweaked toml for git repo https://github.com/roscale/advent-of-code-2024 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/roscale/advent-of-code-2024 on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/roscale/advent-of-code-2024 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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking roscale/advent-of-code-2024 against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froscale%2Fadvent-of-code-2024" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/roscale/advent-of-code-2024
[INFO] finished tweaking git repo https://github.com/roscale/advent-of-code-2024
[INFO] tweaked toml for git repo https://github.com/roscale/advent-of-code-2024 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/roscale/advent-of-code-2024 on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/roscale/advent-of-code-2024 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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3c618f57aed96569b924c781a54f8fbc49e2346634c6aa051a2f8cac6b2eff2
[INFO] running `Command { std: "docker" "start" "-a" "f3c618f57aed96569b924c781a54f8fbc49e2346634c6aa051a2f8cac6b2eff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c618f57aed96569b924c781a54f8fbc49e2346634c6aa051a2f8cac6b2eff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c618f57aed96569b924c781a54f8fbc49e2346634c6aa051a2f8cac6b2eff2", kill_on_drop: false }`
[INFO] [stdout] f3c618f57aed96569b924c781a54f8fbc49e2346634c6aa051a2f8cac6b2eff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7238a6cd776a6eaea685b8dbf492bc9e62b2040d3a14339764554699cea284
[INFO] running `Command { std: "docker" "start" "-a" "0a7238a6cd776a6eaea685b8dbf492bc9e62b2040d3a14339764554699cea284", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking advent-of-code-2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_4/main.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn grid_iter(&self) -> GridIterator;
[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] 19 |     fn grid_iter(&self) -> GridIterator<'_>;
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_4/main.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn grid_iter(&self) -> GridIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn grid_iter(&self) -> GridIterator<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_12/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_12/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_20/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut shortcuts: HashSet<((isize, isize), (isize, isize))> = shortcuts_already_taken.clone();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/bin/day_20/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     end: (isize, isize),
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `browse_previouses` is never used
[INFO] [stdout]   --> src/bin/day_20/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn browse_previouses(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_20/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_20/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_4/main.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn grid_iter(&self) -> GridIterator;
[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] 19 |     fn grid_iter(&self) -> GridIterator<'_>;
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_4/main.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn grid_iter(&self) -> GridIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn grid_iter(&self) -> GridIterator<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_15/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn grid_iter(&self) -> GridIterator<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] 3 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_15/main.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `grid_iter` is never used
[INFO] [stdout]  --> src/bin/day_18/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Grid<T> {
[INFO] [stdout]   |       ---- method in this trait
[INFO] [stdout] 4 |     fn at(&self, pos: (isize, isize)) -> Option<T>;
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<T>;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GridIterator` is never constructed
[INFO] [stdout]   --> src/bin/day_18/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct GridIterator<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_18/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_18/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_20/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut shortcuts: HashSet<((isize, isize), (isize, isize))> = shortcuts_already_taken.clone();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/bin/day_20/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     end: (isize, isize),
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `browse_previouses` is never used
[INFO] [stdout]   --> src/bin/day_20/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn browse_previouses(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_20/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_20/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_15/main.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn grid_iter(&self) -> GridIterator<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] 3 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_15/main.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `grid_iter` is never used
[INFO] [stdout]  --> src/bin/day_18/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Grid<T> {
[INFO] [stdout]   |       ---- method in this trait
[INFO] [stdout] 4 |     fn at(&self, pos: (isize, isize)) -> Option<T>;
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<T>;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GridIterator` is never constructed
[INFO] [stdout]   --> src/bin/day_18/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct GridIterator<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_18/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_18/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_16/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_16/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_10/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_10/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_12/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_12/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_10/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_10/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/day_21/main.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut p = end;
[INFO] [stdout]    |                 --- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 87 |         p = previous[&p];
[INFO] [stdout]    |             ^^^^^^^^^^^^ expected `(isize, isize)`, found `Vec<(isize, isize)>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected tuple `(isize, isize)`
[INFO] [stdout]              found struct `Vec<(isize, isize)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/day_21/main.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut p = end;
[INFO] [stdout]    |                 --- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 87 |         p = previous[&p];
[INFO] [stdout]    |             ^^^^^^^^^^^^ expected `(isize, isize)`, found `Vec<(isize, isize)>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected tuple `(isize, isize)`
[INFO] [stdout]              found struct `Vec<(isize, isize)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/day_21/main.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn dijkstra(grid: &Vec<Vec<char>>, start: (isize, isize), end: (isize, isize)) -> Vec<Vec<(isize, isize)>> {
[INFO] [stdout]    |                                                                                   ------------------------ expected `Vec<Vec<(isize, isize)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 85 |     path.push(p);
[INFO] [stdout]    |     ----      - this argument has type `(isize, isize)`...
[INFO] [stdout]    |     |
[INFO] [stdout]    |     ... which causes `path` to have type `Vec<(isize, isize)>`
[INFO] [stdout] ...
[INFO] [stdout] 91 |     path
[INFO] [stdout]    |     ^^^^ expected `Vec<Vec<(isize, isize)>>`, found `Vec<(isize, isize)>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<Vec<(isize, isize)>>`
[INFO] [stdout]               found struct `Vec<(isize, isize)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/day_21/main.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn dijkstra(grid: &Vec<Vec<char>>, start: (isize, isize), end: (isize, isize)) -> Vec<Vec<(isize, isize)>> {
[INFO] [stdout]    |                                                                                   ------------------------ expected `Vec<Vec<(isize, isize)>>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 85 |     path.push(p);
[INFO] [stdout]    |     ----      - this argument has type `(isize, isize)`...
[INFO] [stdout]    |     |
[INFO] [stdout]    |     ... which causes `path` to have type `Vec<(isize, isize)>`
[INFO] [stdout] ...
[INFO] [stdout] 91 |     path
[INFO] [stdout]    |     ^^^^ expected `Vec<Vec<(isize, isize)>>`, found `Vec<(isize, isize)>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<Vec<(isize, isize)>>`
[INFO] [stdout]               found struct `Vec<(isize, isize)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 4 arguments were supplied
[INFO] [stdout]    --> src/bin/day_21/main.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let path = dijkstra(&keypad, start_pos, end_pos, directional_keypad);
[INFO] [stdout]     |                    ^^^^^^^^                              ------------------ unexpected argument #4 of type `bool`
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/bin/day_21/main.rs:50:4
[INFO] [stdout]     |
[INFO] [stdout]  50 | fn dijkstra(grid: &Vec<Vec<char>>, start: (isize, isize), end: (isize, isize)) -> Vec<Vec<(isize, isize)>> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 101 -         let path = dijkstra(&keypad, start_pos, end_pos, directional_keypad);
[INFO] [stdout] 101 +         let path = dijkstra(&keypad, start_pos, end_pos);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                 ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                          ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `1` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                                ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 4 arguments were supplied
[INFO] [stdout]    --> src/bin/day_21/main.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let path = dijkstra(&keypad, start_pos, end_pos, directional_keypad);
[INFO] [stdout]     |                    ^^^^^^^^                              ------------------ unexpected argument #4 of type `bool`
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/bin/day_21/main.rs:50:4
[INFO] [stdout]     |
[INFO] [stdout]  50 | fn dijkstra(grid: &Vec<Vec<char>>, start: (isize, isize), end: (isize, isize)) -> Vec<Vec<(isize, isize)>> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]     |
[INFO] [stdout] 101 -         let path = dijkstra(&keypad, start_pos, end_pos, directional_keypad);
[INFO] [stdout] 101 +         let path = dijkstra(&keypad, start_pos, end_pos);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `1` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                                         ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                 ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `0` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                          ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `1` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                                ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `1` on type `&Vec<(isize, isize)>`
[INFO] [stdout]    --> src/bin/day_21/main.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |             (to.0 - from.0, to.1 - from.1)
[INFO] [stdout]     |                                         ^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2024` (bin "day_21") due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_16/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn grid_iter(&self) -> GridIterator<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] 5 |     fn grid_iter(&self) -> GridIterator<'_, T>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_16/main.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn grid_iter(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2024` (bin "day_21" test) due to 7 previous errors
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/bin/day_8/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn grid_iter(&self) -> GridIterator;
[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] 6 |     fn grid_iter(&self) -> GridIterator<'_>;
[INFO] [stdout]   |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/bin/day_8/main.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn grid_iter(&self) -> GridIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn grid_iter(&self) -> GridIterator<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a7238a6cd776a6eaea685b8dbf492bc9e62b2040d3a14339764554699cea284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7238a6cd776a6eaea685b8dbf492bc9e62b2040d3a14339764554699cea284", kill_on_drop: false }`
[INFO] [stdout] 0a7238a6cd776a6eaea685b8dbf492bc9e62b2040d3a14339764554699cea284