[INFO] cloning repository https://github.com/isaacmorgan/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isaacmorgan/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacmorgan%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacmorgan%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87dff4bfbd8fd184dbacd163e787b414924e476d
[INFO] checking isaacmorgan/advent_of_code against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacmorgan%2Fadvent_of_code" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isaacmorgan/advent_of_code on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isaacmorgan/advent_of_code
[INFO] finished tweaking git repo https://github.com/isaacmorgan/advent_of_code
[INFO] tweaked toml for git repo https://github.com/isaacmorgan/advent_of_code written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/isaacmorgan/advent_of_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b30ddc9b17955a5621ef46ea9a3eca1e3be198610676051be55e87942476781
[INFO] running `Command { std: "docker" "start" "-a" "8b30ddc9b17955a5621ef46ea9a3eca1e3be198610676051be55e87942476781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b30ddc9b17955a5621ef46ea9a3eca1e3be198610676051be55e87942476781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b30ddc9b17955a5621ef46ea9a3eca1e3be198610676051be55e87942476781", kill_on_drop: false }`
[INFO] [stdout] 8b30ddc9b17955a5621ef46ea9a3eca1e3be198610676051be55e87942476781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33d20e80ce2dbd0c3beb8bec00afc015d14c825d273f040c73153553cddfd38
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a33d20e80ce2dbd0c3beb8bec00afc015d14c825d273f040c73153553cddfd38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent_of_code v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `enumerate`
[INFO] [stdout]  --> src/2019/d2019_18.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::{Itertools, enumerate};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enumerate`
[INFO] [stdout]  --> src/2019/d2019_18.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::{Itertools, enumerate};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/2019/d2019_18.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut map = load(FNAME);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/2019/d2019_18.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut node = State { pos: start_pos.clone(), keys: HashSet::from_iter(start_pos.clone()), cost: 0 };
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/2019/d2019_18.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut map = load(FNAME);
[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: function is never used: `part_1`
[INFO] [stdout]   --> src/2019/d2019_18.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn part_1(map: &HashMap<(i32, i32), char>) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replace_char`
[INFO] [stdout]    --> src/2019/d2019_18.rs:490:4
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn replace_char(map: &mut HashMap<(i32, i32), char>, old: char, new: char) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/2019/d2019_18.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut node = State { pos: start_pos.clone(), keys: HashSet::from_iter(start_pos.clone()), cost: 0 };
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_1`
[INFO] [stdout]   --> src/2019/d2019_18.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn part_1(map: &HashMap<(i32, i32), char>) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replace_char`
[INFO] [stdout]    --> src/2019/d2019_18.rs:490:4
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn replace_char(map: &mut HashMap<(i32, i32), char>, old: char, new: char) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.80s
[INFO] running `Command { std: "docker" "inspect" "a33d20e80ce2dbd0c3beb8bec00afc015d14c825d273f040c73153553cddfd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33d20e80ce2dbd0c3beb8bec00afc015d14c825d273f040c73153553cddfd38", kill_on_drop: false }`
[INFO] [stdout] a33d20e80ce2dbd0c3beb8bec00afc015d14c825d273f040c73153553cddfd38