[INFO] cloning repository https://github.com/absurdhero/adventofcode2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/absurdhero/adventofcode2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabsurdhero%2Fadventofcode2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabsurdhero%2Fadventofcode2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01b3f0a338e028775801e23c820e5d197eaefcd3
[INFO] checking absurdhero/adventofcode2024 against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabsurdhero%2Fadventofcode2024" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/absurdhero/adventofcode2024
[INFO] finished tweaking git repo https://github.com/absurdhero/adventofcode2024
[INFO] tweaked toml for git repo https://github.com/absurdhero/adventofcode2024 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/absurdhero/adventofcode2024 on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/absurdhero/adventofcode2024 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" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403
[INFO] running `Command { std: "docker" "start" "ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-01/src/bin/part2.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut list2: Vec<&str> = input.split_whitespace().skip(1).step_by(2).collect();
[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: variable does not need to be mutable
[INFO] [stdout]   --> day-01/src/bin/part2.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut list2: Vec<&str> = input.split_whitespace().skip(1).step_by(2).collect();
[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] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> day-06/src/bin/part2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> day-06/src/bin/part2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-06/src/bin/part2.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut count = 0;
[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: `flipped`
[INFO] [stdout]   --> day-06/src/bin/part2.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |                         let flipped = dir.flip();
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flipped`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]    --> day-06/src/bin/part2.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Direction {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 112 |     Unknown,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Direction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> day-06/src/bin/part2.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl Direction {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn from(c: char) -> Direction {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-06/src/bin/part2.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut count = 0;
[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: `flipped`
[INFO] [stdout]   --> day-06/src/bin/part2.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |                         let flipped = dir.flip();
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flipped`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]    --> day-06/src/bin/part2.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Direction {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 112 |     Unknown,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Direction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]    --> day-06/src/bin/part2.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl Direction {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn from(c: char) -> Direction {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/bin/part2.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 for i in 0..l.len() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_val`
[INFO] [stdout]   --> day-05/src/bin/part2.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |             if let Some((first_pos, &first_val)) = line.iter().find_position(|x| **x == rule.0) {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_val`
[INFO] [stdout]   --> day-05/src/bin/part2.rs:75:43
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 if let Some((second_pos, &second_val)) = line.iter().find_position(|x| **x == rule.1) {
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-05/src/bin/part2.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 for i in 0..l.len() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_val`
[INFO] [stdout]   --> day-05/src/bin/part2.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |             if let Some((first_pos, &first_val)) = line.iter().find_position(|x| **x == rule.0) {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_val`
[INFO] [stdout]   --> day-05/src/bin/part2.rs:75:43
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 if let Some((second_pos, &second_val)) = line.iter().find_position(|x| **x == rule.1) {
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> day-05/src/bin/part1.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if let Some((first_pos, val)) = line.iter().find_position(|x| **x == rule.0) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> day-05/src/bin/part1.rs:55:42
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 if let Some((second_pos, val)) = line.iter().find_position(|x| **x == rule.1) {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> day-05/src/bin/part1.rs:54:37
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if let Some((first_pos, val)) = line.iter().find_position(|x| **x == rule.0) {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> day-05/src/bin/part1.rs:55:42
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 if let Some((second_pos, val)) = line.iter().find_position(|x| **x == rule.1) {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `itertools`
[INFO] [stderr]  --> day-03/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | itertools = "0.13.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: `day-03` (manifest) generated 1 warning
[INFO] [stderr] warning: unused dependency `itertools`
[INFO] [stderr]  --> day-04/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | itertools = "0.13.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: unused dependency `regex`
[INFO] [stderr]  --> day-04/Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | regex = "1.11.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `regex`
[INFO] [stderr] warning: `day-04` (manifest) generated 2 warnings
[INFO] [stderr] warning: unused dependency `itertools`
[INFO] [stderr]  --> day-06/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | itertools = "0.13.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: unused dependency `regex`
[INFO] [stderr]  --> day-06/Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | regex = "1.11.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `regex`
[INFO] [stderr] warning: `day-06` (manifest) generated 2 warnings
[INFO] [stderr] warning: unused dependency `itertools`
[INFO] [stderr]  --> day-07/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | itertools = "0.13.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `itertools`
[INFO] [stderr] warning: unused dependency `regex`
[INFO] [stderr]  --> day-07/Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | regex = "1.11.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `regex`
[INFO] [stderr] warning: `day-07` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403", kill_on_drop: false }`
[INFO] [stdout] ade3255f84aa3f51f5a156312f0ca62be0f3c02092b1d21bef64a915fe30c403
