[INFO] updating cached repository https://github.com/petertseng/adventofcode-rs-2015
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7f987a7f5e306e7774b124ff27b29a4baa363f5
[INFO] checking petertseng/adventofcode-rs-2015 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetertseng%2Fadventofcode-rs-2015" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/petertseng/adventofcode-rs-2015 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/petertseng/adventofcode-rs-2015
[INFO] finished tweaking git repo https://github.com/petertseng/adventofcode-rs-2015
[INFO] tweaked toml for git repo https://github.com/petertseng/adventofcode-rs-2015 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/petertseng/adventofcode-rs-2015 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91e7cd1df7b7dce965b710ba9fa9c120beb5e8184b9e18d9049affaf876344ff
[INFO] running `"docker" "start" "-a" "91e7cd1df7b7dce965b710ba9fa9c120beb5e8184b9e18d9049affaf876344ff"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `adventofcode`
[INFO] [stderr]  --> src/bin/21_rpg.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use adventofcode;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `adventofcode`
[INFO] [stderr]  --> src/bin/22_wizard.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use adventofcode;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `adventofcode`
[INFO] [stderr]  --> src/bin/20_factors.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use adventofcode;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `adventofcode`
[INFO] [stderr]  --> src/bin/22_wizard.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use adventofcode;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `adventofcode`
[INFO] [stderr]  --> src/bin/25_triangular.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use adventofcode;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `"docker" "inspect" "91e7cd1df7b7dce965b710ba9fa9c120beb5e8184b9e18d9049affaf876344ff"`
[INFO] running `"docker" "rm" "-f" "91e7cd1df7b7dce965b710ba9fa9c120beb5e8184b9e18d9049affaf876344ff"`
[INFO] [stdout] 91e7cd1df7b7dce965b710ba9fa9c120beb5e8184b9e18d9049affaf876344ff