[INFO] updating cached repository knkski/aoc2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/knkski/aoc2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/knkski/aoc2017" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/knkski/aoc2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/knkski/aoc2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/knkski/aoc2017" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/knkski/aoc2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/knkski/aoc2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 590a990bb5d69c485d6d5de978c2d29137b62455
[INFO] sha for GitHub repo knkski/aoc2017: 590a990bb5d69c485d6d5de978c2d29137b62455
[INFO] validating manifest of knkski/aoc2017 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of knkski/aoc2017 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing knkski/aoc2017
[INFO] finished frobbing knkski/aoc2017
[INFO] frobbed toml for knkski/aoc2017 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/knkski/aoc2017/Cargo.toml
[INFO] started frobbing knkski/aoc2017
[INFO] finished frobbing knkski/aoc2017
[INFO] frobbed toml for knkski/aoc2017 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/knkski/aoc2017/Cargo.toml
[INFO] crate knkski/aoc2017 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking knkski/aoc2017 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/knkski/aoc2017:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 309cf160a3456ae197eaeb017a99d1189bb6746cfca5af35d513bc0a21964a59
[INFO] running `"docker" "start" "-a" "309cf160a3456ae197eaeb017a99d1189bb6746cfca5af35d513bc0a21964a59"`
[INFO] [stderr]     Checking serde v1.0.25
[INFO] [stderr]     Checking thread-id v3.2.0
[INFO] [stderr]    Compiling serde_derive_internals v0.18.1
[INFO] [stderr]    Compiling serde_derive v1.0.25
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]     Checking flame v0.2.0
[INFO] [stderr]     Checking aoc2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.66s
[INFO] running `"docker" "inspect" "309cf160a3456ae197eaeb017a99d1189bb6746cfca5af35d513bc0a21964a59"`
[INFO] running `"docker" "rm" "-f" "309cf160a3456ae197eaeb017a99d1189bb6746cfca5af35d513bc0a21964a59"`
[INFO] [stdout] 309cf160a3456ae197eaeb017a99d1189bb6746cfca5af35d513bc0a21964a59