[INFO] cloning repository https://github.com/pistacchio/advent-of-code-2015-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pistacchio/advent-of-code-2015-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpistacchio%2Fadvent-of-code-2015-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpistacchio%2Fadvent-of-code-2015-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4560bdf5a5b8b6302f5822d72810d1e6343df804
[INFO] checking pistacchio/advent-of-code-2015-rust against master#80ed61fbd64936ed676c2050e7e660b5ad78c9f2 for pr-100555
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpistacchio%2Fadvent-of-code-2015-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pistacchio/advent-of-code-2015-rust on toolchain 80ed61fbd64936ed676c2050e7e660b5ad78c9f2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pistacchio/advent-of-code-2015-rust
[INFO] finished tweaking git repo https://github.com/pistacchio/advent-of-code-2015-rust
[INFO] tweaked toml for git repo https://github.com/pistacchio/advent-of-code-2015-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pistacchio/advent-of-code-2015-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded divisors v0.1.5
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[INFO] [stdout] fa9098c18999ef05b6800296a79234ae014a9866cb6c3a49d8d87cfb091ed1ba
[INFO] running `Command { std: "docker" "start" "-a" "fa9098c18999ef05b6800296a79234ae014a9866cb6c3a49d8d87cfb091ed1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa9098c18999ef05b6800296a79234ae014a9866cb6c3a49d8d87cfb091ed1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9098c18999ef05b6800296a79234ae014a9866cb6c3a49d8d87cfb091ed1ba", kill_on_drop: false }`
[INFO] [stdout] fa9098c18999ef05b6800296a79234ae014a9866cb6c3a49d8d87cfb091ed1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acd2614dd0290a49a76fe5769aa83756ed463a9ad24d28e43ddd22a1560eb617
[INFO] running `Command { std: "docker" "start" "-a" "acd2614dd0290a49a76fe5769aa83756ed463a9ad24d28e43ddd22a1560eb617", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling serde v1.0.101
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[INFO] [stderr]     Checking itoa v0.4.4
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[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling memoffset v0.5.1
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[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/day_18.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{iter, thread, time};
[INFO] [stdout]   |                 ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/day_9.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Path {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 9 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `Path` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_GRID` is never used
[INFO] [stdout]  --> src/day_18.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const TEST_GRID: &str = r#".#.#.#
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_REPLACEMENTS` is never used
[INFO] [stdout]  --> src/day_19.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const TEST_REPLACEMENTS: &str = r#"H => HO
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/day_9.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Path {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] 9 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `Path` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "acd2614dd0290a49a76fe5769aa83756ed463a9ad24d28e43ddd22a1560eb617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd2614dd0290a49a76fe5769aa83756ed463a9ad24d28e43ddd22a1560eb617", kill_on_drop: false }`
[INFO] [stdout] acd2614dd0290a49a76fe5769aa83756ed463a9ad24d28e43ddd22a1560eb617