[INFO] cloning repository cfiet/rust-advent-of-code-2018
[INFO] running `"git" "clone" "--bare" "git://github.com/cfiet/rust-advent-of-code-2018.git" "work/cache/sources/gh/cfiet/rust-advent-of-code-2018"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cfiet/rust-advent-of-code-2018'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cfiet/rust-advent-of-code-2018" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cfiet/rust-advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cfiet/rust-advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cfiet/rust-advent-of-code-2018" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cfiet/rust-advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cfiet/rust-advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 395b460f2409c48cf7fd4cfc82d8568624da24e8
[INFO] sha for GitHub repo cfiet/rust-advent-of-code-2018: 395b460f2409c48cf7fd4cfc82d8568624da24e8
[INFO] validating manifest of cfiet/rust-advent-of-code-2018 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cfiet/rust-advent-of-code-2018 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cfiet/rust-advent-of-code-2018
[INFO] finished frobbing cfiet/rust-advent-of-code-2018
[INFO] frobbed toml for cfiet/rust-advent-of-code-2018 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cfiet/rust-advent-of-code-2018/Cargo.toml
[INFO] started frobbing cfiet/rust-advent-of-code-2018
[INFO] finished frobbing cfiet/rust-advent-of-code-2018
[INFO] frobbed toml for cfiet/rust-advent-of-code-2018 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cfiet/rust-advent-of-code-2018/Cargo.toml
[INFO] crate cfiet/rust-advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cfiet/rust-advent-of-code-2018 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cfiet/rust-advent-of-code-2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6ed537b9a6b252ea5a7218c088590dc10b6a36103b185155af9d8d1c9eb88ef7
[INFO] running `"docker" "start" "-a" "6ed537b9a6b252ea5a7218c088590dc10b6a36103b185155af9d8d1c9eb88ef7"`
[INFO] [stderr]     Checking rust-advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::Eq`
[INFO] [stderr]  --> src/day9.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Eq;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Eq`
[INFO] [stderr]  --> src/day9.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::Eq;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "6ed537b9a6b252ea5a7218c088590dc10b6a36103b185155af9d8d1c9eb88ef7"`
[INFO] running `"docker" "rm" "-f" "6ed537b9a6b252ea5a7218c088590dc10b6a36103b185155af9d8d1c9eb88ef7"`
[INFO] [stdout] 6ed537b9a6b252ea5a7218c088590dc10b6a36103b185155af9d8d1c9eb88ef7