[INFO] cloning repository https://github.com/jcrowgey/aoc_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcrowgey/aoc_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcrowgey%2Faoc_2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcrowgey%2Faoc_2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c475ec52f3d3e03341b43c3f8d150b209a7e853d
[INFO] checking jcrowgey/aoc_2019 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcrowgey%2Faoc_2019" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcrowgey/aoc_2019 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcrowgey/aoc_2019
[INFO] finished tweaking git repo https://github.com/jcrowgey/aoc_2019
[INFO] tweaked toml for git repo https://github.com/jcrowgey/aoc_2019 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jcrowgey/aoc_2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc5ffae900c6a3df01f096745ac33375e8e2003285b0ddd38bc79bd821dc206
[INFO] running `Command { std: "docker" "start" "-a" "3cc5ffae900c6a3df01f096745ac33375e8e2003285b0ddd38bc79bd821dc206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc5ffae900c6a3df01f096745ac33375e8e2003285b0ddd38bc79bd821dc206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc5ffae900c6a3df01f096745ac33375e8e2003285b0ddd38bc79bd821dc206", kill_on_drop: false }`
[INFO] [stdout] 3cc5ffae900c6a3df01f096745ac33375e8e2003285b0ddd38bc79bd821dc206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bc0cf951a106dd7926e53eb570126e3a6600500748e8aea49939cea22462026
[INFO] running `Command { std: "docker" "start" "-a" "0bc0cf951a106dd7926e53eb570126e3a6600500748e8aea49939cea22462026", kill_on_drop: false }`
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking aoc_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/thirteen.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             &tty_tx_local.send(read_buf).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/thirteen.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             &tty_tx_local.send(read_buf).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` 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 0.90s
[INFO] running `Command { std: "docker" "inspect" "0bc0cf951a106dd7926e53eb570126e3a6600500748e8aea49939cea22462026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc0cf951a106dd7926e53eb570126e3a6600500748e8aea49939cea22462026", kill_on_drop: false }`
[INFO] [stdout] 0bc0cf951a106dd7926e53eb570126e3a6600500748e8aea49939cea22462026