[INFO] cloning repository https://github.com/slowteetoe/aquaq-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slowteetoe/aquaq-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslowteetoe%2Faquaq-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslowteetoe%2Faquaq-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7e531343c2adb332b0af2dd2de6a670c8913933
[INFO] checking slowteetoe/aquaq-challenges against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslowteetoe%2Faquaq-challenges" "/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/slowteetoe/aquaq-challenges
[INFO] finished tweaking git repo https://github.com/slowteetoe/aquaq-challenges
[INFO] tweaked toml for git repo https://github.com/slowteetoe/aquaq-challenges written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/slowteetoe/aquaq-challenges on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/slowteetoe/aquaq-challenges 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded deprecate-until v0.1.1
[INFO] [stderr]   Downloaded pathfinding v4.13.1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 076fa9da402ad0c4d576eca688cd00a94eec994e5f87303b4416ebf1ba5a4be3
[INFO] running `Command { std: "docker" "start" "-a" "076fa9da402ad0c4d576eca688cd00a94eec994e5f87303b4416ebf1ba5a4be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "076fa9da402ad0c4d576eca688cd00a94eec994e5f87303b4416ebf1ba5a4be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076fa9da402ad0c4d576eca688cd00a94eec994e5f87303b4416ebf1ba5a4be3", kill_on_drop: false }`
[INFO] [stdout] 076fa9da402ad0c4d576eca688cd00a94eec994e5f87303b4416ebf1ba5a4be3
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d7b8fbe16fd990d25019cf32e3e167cb0bf57fbe4203c87d3bbd9e8f340f10e
[INFO] running `Command { std: "docker" "start" "-a" "4d7b8fbe16fd990d25019cf32e3e167cb0bf57fbe4203c87d3bbd9e8f340f10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking rustc-hash v2.1.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling deprecate-until v0.1.1
[INFO] [stderr]     Checking pathfinding v4.13.1
[INFO] [stderr]     Checking challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DateTime` and `NaiveDateTime`
[INFO] [stdout]  --> src/challenge_18.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{DateTime, NaiveDateTime, NaiveTime};
[INFO] [stdout]   |              ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DateTime` and `NaiveDateTime`
[INFO] [stdout]  --> src/challenge_18.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{DateTime, NaiveDateTime, NaiveTime};
[INFO] [stdout]   |              ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dict`
[INFO] [stdout]  --> src/challenge_15.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn shortest_distance(dict: &str, start: &str, goal: &str) -> Vec<String> {
[INFO] [stdout]   |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_dict`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]  --> src/challenge_15.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn shortest_distance(dict: &str, start: &str, goal: &str) -> Vec<String> {
[INFO] [stdout]   |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goal`
[INFO] [stdout]  --> src/challenge_15.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn shortest_distance(dict: &str, start: &str, goal: &str) -> Vec<String> {
[INFO] [stdout]   |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_goal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dict`
[INFO] [stdout]  --> src/challenge_15.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let dict = fs::read_to_string("inputs/dict.txt").expect("dictionary");
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_dict`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix`
[INFO] [stdout]   --> src/challenge_18.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let fix = match val {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_fix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shortest_distance` is never used
[INFO] [stdout]  --> src/challenge_15.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn shortest_distance(dict: &str, start: &str, goal: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dict`
[INFO] [stdout]  --> src/challenge_15.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn shortest_distance(dict: &str, start: &str, goal: &str) -> Vec<String> {
[INFO] [stdout]   |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_dict`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]  --> src/challenge_15.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn shortest_distance(dict: &str, start: &str, goal: &str) -> Vec<String> {
[INFO] [stdout]   |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goal`
[INFO] [stdout]  --> src/challenge_15.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn shortest_distance(dict: &str, start: &str, goal: &str) -> Vec<String> {
[INFO] [stdout]   |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_goal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dict`
[INFO] [stdout]  --> src/challenge_15.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let dict = fs::read_to_string("inputs/dict.txt").expect("dictionary");
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_dict`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fix`
[INFO] [stdout]   --> src/challenge_18.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let fix = match val {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_fix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.15s
[INFO] running `Command { std: "docker" "inspect" "4d7b8fbe16fd990d25019cf32e3e167cb0bf57fbe4203c87d3bbd9e8f340f10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7b8fbe16fd990d25019cf32e3e167cb0bf57fbe4203c87d3bbd9e8f340f10e", kill_on_drop: false }`
[INFO] [stdout] 4d7b8fbe16fd990d25019cf32e3e167cb0bf57fbe4203c87d3bbd9e8f340f10e