[INFO] cloning repository https://github.com/Shadlock0133/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shadlock0133/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShadlock0133%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShadlock0133%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c35785be8e965a596f7a07fe21cdaa66ad92b01a
[INFO] checking Shadlock0133/aoc2020 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShadlock0133%2Faoc2020" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shadlock0133/aoc2020 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shadlock0133/aoc2020
[INFO] finished tweaking git repo https://github.com/Shadlock0133/aoc2020
[INFO] tweaked toml for git repo https://github.com/Shadlock0133/aoc2020 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/Shadlock0133/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff85bf5000afc326c29810e255526911526c66027e696ad4459b0702ffc6f6d7
[INFO] running `Command { std: "docker" "start" "-a" "ff85bf5000afc326c29810e255526911526c66027e696ad4459b0702ffc6f6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff85bf5000afc326c29810e255526911526c66027e696ad4459b0702ffc6f6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff85bf5000afc326c29810e255526911526c66027e696ad4459b0702ffc6f6d7", kill_on_drop: false }`
[INFO] [stdout] ff85bf5000afc326c29810e255526911526c66027e696ad4459b0702ffc6f6d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ed4402f1517e0bc34c323810a3a2eafedb8c89e449a50b44965d740249c18e
[INFO] running `Command { std: "docker" "start" "-a" "30ed4402f1517e0bc34c323810a3a2eafedb8c89e449a50b44965d740249c18e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `check_2_fast`
[INFO] [stdout]   --> src/bin/day13.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn check_2_fast(timestamp: u64, buses: &[Option<u32>]) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/bin/day20.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     id: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `image`
[INFO] [stdout]   --> src/bin/day20.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     image: Map2D,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/bin/day20.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     id: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `image`
[INFO] [stdout]   --> src/bin/day20.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     image: Map2D,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_2_fast`
[INFO] [stdout]   --> src/bin/day13.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn check_2_fast(timestamp: u64, buses: &[Option<u32>]) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "30ed4402f1517e0bc34c323810a3a2eafedb8c89e449a50b44965d740249c18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ed4402f1517e0bc34c323810a3a2eafedb8c89e449a50b44965d740249c18e", kill_on_drop: false }`
[INFO] [stdout] 30ed4402f1517e0bc34c323810a3a2eafedb8c89e449a50b44965d740249c18e