[INFO] updating cached repository https://github.com/seamusriordan/advent-of-code-day-03
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ff1d5670d11c43db53956ba686628979f20bdf9
[INFO] checking seamusriordan/advent-of-code-day-03 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseamusriordan%2Fadvent-of-code-day-03" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seamusriordan/advent-of-code-day-03 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/seamusriordan/advent-of-code-day-03
[INFO] finished tweaking git repo https://github.com/seamusriordan/advent-of-code-day-03
[INFO] tweaked toml for git repo https://github.com/seamusriordan/advent-of-code-day-03 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/seamusriordan/advent-of-code-day-03 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3534dac0fd658a5e9298c50592d5526bd86f336647d098e884ac9418ea93888
[INFO] running `"docker" "start" "-a" "a3534dac0fd658a5e9298c50592d5526bd86f336647d098e884ac9418ea93888"`
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `running2` is never read
[INFO] [stderr]    --> src/main.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |     let mut running2 = 0;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pair`
[INFO] [stderr]    --> src/main.rs:229:22
[INFO] [stderr]     |
[INFO] [stderr] 229 |                 Some(pair) => {
[INFO] [stderr]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut distances: Vec<i32> = intersections.iter()
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `running2` is never read
[INFO] [stderr]    --> src/main.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |     let mut running2 = 0;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pair`
[INFO] [stderr]    --> src/main.rs:229:22
[INFO] [stderr]     |
[INFO] [stderr] 229 |                 Some(pair) => {
[INFO] [stderr]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut distances: Vec<i32> = intersections.iter()
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let mut expected: Vec<Segment> = vec![Segment::new(&origin, R(75))];
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let mut expected: Vec<Segment> = vec![Segment::new(&origin, D(4))];
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let mut expected: Vec<Segment> = vec![Segment::new(&origin, L(33))];
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let mut expected: Vec<Segment> = vec![Segment::new(&origin, U(2))];
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "a3534dac0fd658a5e9298c50592d5526bd86f336647d098e884ac9418ea93888"`
[INFO] running `"docker" "rm" "-f" "a3534dac0fd658a5e9298c50592d5526bd86f336647d098e884ac9418ea93888"`
[INFO] [stdout] a3534dac0fd658a5e9298c50592d5526bd86f336647d098e884ac9418ea93888