[INFO] cloning repository https://github.com/jakubbabiak/advent_of_code_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubbabiak/advent_of_code_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubbabiak%2Fadvent_of_code_2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubbabiak%2Fadvent_of_code_2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e99c67fa9a767e2ef752c90b7f63fef26c5f3889
[INFO] checking jakubbabiak/advent_of_code_2019 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubbabiak%2Fadvent_of_code_2019" "/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/jakubbabiak/advent_of_code_2019 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubbabiak/advent_of_code_2019
[INFO] finished tweaking git repo https://github.com/jakubbabiak/advent_of_code_2019
[INFO] tweaked toml for git repo https://github.com/jakubbabiak/advent_of_code_2019 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubbabiak/advent_of_code_2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded async-macros v2.0.0
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded async-task v1.0.0
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded lock_api v0.3.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded broadcaster v0.2.6
[INFO] [stderr]   Downloaded async-std v1.2.0
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded once_cell v1.2.0
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.9
[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_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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c00ff80e2cf5dca429ed90c9ffa9f0ee0dac513a872799870641a96931cc044a
[INFO] running `Command { std: "docker" "start" "-a" "c00ff80e2cf5dca429ed90c9ffa9f0ee0dac513a872799870641a96931cc044a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c00ff80e2cf5dca429ed90c9ffa9f0ee0dac513a872799870641a96931cc044a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00ff80e2cf5dca429ed90c9ffa9f0ee0dac513a872799870641a96931cc044a", kill_on_drop: false }`
[INFO] [stdout] c00ff80e2cf5dca429ed90c9ffa9f0ee0dac513a872799870641a96931cc044a
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac944c474de57a175f5fcb90c93fbac3771881e0c14903ea3df6a0285f42550
[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" "5ac944c474de57a175f5fcb90c93fbac3771881e0c14903ea3df6a0285f42550", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.2.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking advent_of_code_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `abs`
[INFO] [stdout]   --> src/bin/day-12-2.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub fn abs(&self) -> i64 {
[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: associated function is never used: `abs`
[INFO] [stdout]   --> src/bin/day-12-2.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub fn abs(&self) -> i64 {
[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 55.12s
[INFO] running `Command { std: "docker" "inspect" "5ac944c474de57a175f5fcb90c93fbac3771881e0c14903ea3df6a0285f42550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac944c474de57a175f5fcb90c93fbac3771881e0c14903ea3df6a0285f42550", kill_on_drop: false }`
[INFO] [stdout] 5ac944c474de57a175f5fcb90c93fbac3771881e0c14903ea3df6a0285f42550