[INFO] updating cached repository cfsamson/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cfsamson/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cfsamson/advent-of-code-2018" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/cfsamson/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/cfsamson/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cfsamson/advent-of-code-2018" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/cfsamson/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/cfsamson/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b88e33441a39466e699964ef267a425dde939327
[INFO] sha for GitHub repo cfsamson/advent-of-code-2018: b88e33441a39466e699964ef267a425dde939327
[INFO] validating manifest of cfsamson/advent-of-code-2018 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cfsamson/advent-of-code-2018 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cfsamson/advent-of-code-2018
[INFO] finished frobbing cfsamson/advent-of-code-2018
[INFO] frobbed toml for cfsamson/advent-of-code-2018 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/cfsamson/advent-of-code-2018/Cargo.toml
[INFO] started frobbing cfsamson/advent-of-code-2018
[INFO] finished frobbing cfsamson/advent-of-code-2018
[INFO] frobbed toml for cfsamson/advent-of-code-2018 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/cfsamson/advent-of-code-2018/Cargo.toml
[INFO] crate cfsamson/advent-of-code-2018 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cfsamson/advent-of-code-2018 against master#e2f221c75932de7a29845c8d6f1f73536ad00c41 for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-1/master#e2f221c75932de7a29845c8d6f1f73536ad00c41:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/cfsamson/advent-of-code-2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d7c85982e2588b99a09243398ea5750603b7068f3b758828488c6847354720af
[INFO] running `"docker" "start" "-a" "d7c85982e2588b99a09243398ea5750603b7068f3b758828488c6847354720af"`
[INFO] [stderr]     Checking AdventOfCode2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `fs::File`, `io::Read`
[INFO] [stderr]  --> src/day_01.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fs::File, io::Read};
[INFO] [stderr]   |           ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fs::File`, `io::Read`
[INFO] [stderr]  --> src/day_01.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{fs::File, io::Read};
[INFO] [stderr]   |           ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `AdventOfCode2018` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `advent_of_code2018`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `AdventOfCode2018` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `advent_of_code2018`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "d7c85982e2588b99a09243398ea5750603b7068f3b758828488c6847354720af"`
[INFO] running `"docker" "rm" "-f" "d7c85982e2588b99a09243398ea5750603b7068f3b758828488c6847354720af"`
[INFO] [stdout] d7c85982e2588b99a09243398ea5750603b7068f3b758828488c6847354720af