[INFO] cloning repository https://github.com/fouxarn/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fouxarn/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffouxarn%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffouxarn%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba49d5a138224d319cbef12f395ac1505288893d
[INFO] checking fouxarn/advent-of-code-2018 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffouxarn%2Fadvent-of-code-2018" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fouxarn/advent-of-code-2018 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fouxarn/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/fouxarn/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/fouxarn/advent-of-code-2018 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/fouxarn/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74f6c57aaa02c1d348818bbdcaec630f481fe4595022dee50991c021c7590f1f
[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" "74f6c57aaa02c1d348818bbdcaec630f481fe4595022dee50991c021c7590f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74f6c57aaa02c1d348818bbdcaec630f481fe4595022dee50991c021c7590f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f6c57aaa02c1d348818bbdcaec630f481fe4595022dee50991c021c7590f1f", kill_on_drop: false }`
[INFO] [stdout] 74f6c57aaa02c1d348818bbdcaec630f481fe4595022dee50991c021c7590f1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d730f377ca8eda202c7257a60f8b6aed9c48d6a5690e87b7f6a1be92a7432bd9
[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" "d730f377ca8eda202c7257a60f8b6aed9c48d6a5690e87b7f6a1be92a7432bd9", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/day01.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     .expect("something went wrong reading the file");;
[INFO] [stdout]   |                                                      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/day02.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     .expect("something went wrong reading the file");;
[INFO] [stdout]   |                                                      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/day03.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 8 |     .expect("something went wrong reading the file");;
[INFO] [stdout]   |                                                      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/day01.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     .expect("something went wrong reading the file");;
[INFO] [stdout]   |                                                      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/day02.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 |     .expect("something went wrong reading the file");;
[INFO] [stdout]   |                                                      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/day03.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 8 |     .expect("something went wrong reading the file");;
[INFO] [stdout]   |                                                      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "d730f377ca8eda202c7257a60f8b6aed9c48d6a5690e87b7f6a1be92a7432bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d730f377ca8eda202c7257a60f8b6aed9c48d6a5690e87b7f6a1be92a7432bd9", kill_on_drop: false }`
[INFO] [stdout] d730f377ca8eda202c7257a60f8b6aed9c48d6a5690e87b7f6a1be92a7432bd9