[INFO] cloning repository https://github.com/jeroenvervaeke/adventofcode-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeroenvervaeke/adventofcode-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeroenvervaeke%2Fadventofcode-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeroenvervaeke%2Fadventofcode-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbf982e58ce4ae3ae6696c185dd67092e41d3a40
[INFO] checking jeroenvervaeke/adventofcode-2019 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeroenvervaeke%2Fadventofcode-2019" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeroenvervaeke/adventofcode-2019 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeroenvervaeke/adventofcode-2019
[INFO] finished tweaking git repo https://github.com/jeroenvervaeke/adventofcode-2019
[INFO] tweaked toml for git repo https://github.com/jeroenvervaeke/adventofcode-2019 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jeroenvervaeke/adventofcode-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3/source/day_16/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d02cb90108769bff96fd022fe7e924cc4cc3ec4396d317f39d7e269d6c294968
[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" "d02cb90108769bff96fd022fe7e924cc4cc3ec4396d317f39d7e269d6c294968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d02cb90108769bff96fd022fe7e924cc4cc3ec4396d317f39d7e269d6c294968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02cb90108769bff96fd022fe7e924cc4cc3ec4396d317f39d7e269d6c294968", kill_on_drop: false }`
[INFO] [stdout] d02cb90108769bff96fd022fe7e924cc4cc3ec4396d317f39d7e269d6c294968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 17bcfb267910cb8a2ae3cae4d509c5b00d03f181d77dd67ceb418428a9f51fdd
[INFO] running `Command { std: "docker" "start" "-a" "17bcfb267910cb8a2ae3cae4d509c5b00d03f181d77dd67ceb418428a9f51fdd", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/day_16/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]     Checking day_02 v0.1.0 (/opt/rustwide/workdir/day_02)
[INFO] [stderr]     Checking day_07 v0.1.0 (/opt/rustwide/workdir/day_07)
[INFO] [stderr]     Checking day_06 v0.1.0 (/opt/rustwide/workdir/day_06)
[INFO] [stderr]     Checking day_04 v0.1.0 (/opt/rustwide/workdir/day_04)
[INFO] [stderr]     Checking day_01 v0.1.0 (/opt/rustwide/workdir/day_01)
[INFO] [stderr]     Checking day_03 v0.1.0 (/opt/rustwide/workdir/day_03)
[INFO] [stderr]     Checking day_05 v0.1.0 (/opt/rustwide/workdir/day_05)
[INFO] [stderr]     Checking day_16 v0.1.0 (/opt/rustwide/workdir/day_16)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> day_07/src/io/stdio.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> day_07/src/io/stdio.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> day_07/src/io/stdio.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> day_07/src/io/stdio.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "17bcfb267910cb8a2ae3cae4d509c5b00d03f181d77dd67ceb418428a9f51fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bcfb267910cb8a2ae3cae4d509c5b00d03f181d77dd67ceb418428a9f51fdd", kill_on_drop: false }`
[INFO] [stdout] 17bcfb267910cb8a2ae3cae4d509c5b00d03f181d77dd67ceb418428a9f51fdd