[INFO] cloning repository https://github.com/kylewillmon/advent-of-code-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kylewillmon/advent-of-code-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewillmon%2Fadvent-of-code-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewillmon%2Fadvent-of-code-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30512fb13b85361ec555f92d6064b385f102e55b
[INFO] checking kylewillmon/advent-of-code-rs against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylewillmon%2Fadvent-of-code-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kylewillmon/advent-of-code-rs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kylewillmon/advent-of-code-rs
[INFO] finished tweaking git repo https://github.com/kylewillmon/advent-of-code-rs
[INFO] tweaked toml for git repo https://github.com/kylewillmon/advent-of-code-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kylewillmon/advent-of-code-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37ec2042d77ef048f68808aa5ac70de43dd1f72c894bff659f892e05f345c4ee
[INFO] running `Command { std: "docker" "start" "-a" "37ec2042d77ef048f68808aa5ac70de43dd1f72c894bff659f892e05f345c4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ec2042d77ef048f68808aa5ac70de43dd1f72c894bff659f892e05f345c4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ec2042d77ef048f68808aa5ac70de43dd1f72c894bff659f892e05f345c4ee", kill_on_drop: false }`
[INFO] [stdout] 37ec2042d77ef048f68808aa5ac70de43dd1f72c894bff659f892e05f345c4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3385c33b43567831ab178ad59942b21cdc1c81babba8beab7db72ced6f34ca
[INFO] running `Command { std: "docker" "start" "-a" "ab3385c33b43567831ab178ad59942b21cdc1c81babba8beab7db72ced6f34ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aoclib v0.1.0 (/opt/rustwide/workdir/aoclib)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir/aoc2019)
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir/aoc2020)
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> aoc2020/src/day20.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     position: Position,
[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] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> aoc2020/src/day20.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     position: Position,
[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 14.03s
[INFO] running `Command { std: "docker" "inspect" "ab3385c33b43567831ab178ad59942b21cdc1c81babba8beab7db72ced6f34ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3385c33b43567831ab178ad59942b21cdc1c81babba8beab7db72ced6f34ca", kill_on_drop: false }`
[INFO] [stdout] ab3385c33b43567831ab178ad59942b21cdc1c81babba8beab7db72ced6f34ca