[INFO] updating cached repository ghusse/advent-of-code-2018-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ghusse/advent-of-code-2018-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ghusse/advent-of-code-2018-rust" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ghusse/advent-of-code-2018-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ghusse/advent-of-code-2018-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ghusse/advent-of-code-2018-rust" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ghusse/advent-of-code-2018-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ghusse/advent-of-code-2018-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d310ec9de346e0152ecf618548026697f9f9ae52
[INFO] sha for GitHub repo ghusse/advent-of-code-2018-rust: d310ec9de346e0152ecf618548026697f9f9ae52
[INFO] validating manifest of ghusse/advent-of-code-2018-rust on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ghusse/advent-of-code-2018-rust on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ghusse/advent-of-code-2018-rust
[INFO] finished frobbing ghusse/advent-of-code-2018-rust
[INFO] frobbed toml for ghusse/advent-of-code-2018-rust written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ghusse/advent-of-code-2018-rust/Cargo.toml
[INFO] started frobbing ghusse/advent-of-code-2018-rust
[INFO] finished frobbing ghusse/advent-of-code-2018-rust
[INFO] frobbed toml for ghusse/advent-of-code-2018-rust written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ghusse/advent-of-code-2018-rust/Cargo.toml
[INFO] crate ghusse/advent-of-code-2018-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ghusse/advent-of-code-2018-rust against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ghusse/advent-of-code-2018-rust:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 20eb8cef7e00e53aca55c5be4c1d4f42de7f04b61705a4618549bffbaee9b3f6
[INFO] running `"docker" "start" "-a" "20eb8cef7e00e53aca55c5be4c1d4f42de7f04b61705a4618549bffbaee9b3f6"`
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]     Checking iso8601 v0.1.1
[INFO] [stderr]     Checking quickersort v3.0.1
[INFO] [stderr]     Checking locale v0.2.2
[INFO] [stderr]     Checking datetime v0.4.7
[INFO] [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_13/mod.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     for mut i in 0..len {
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_13/mod.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     for mut i in 0..len {
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "20eb8cef7e00e53aca55c5be4c1d4f42de7f04b61705a4618549bffbaee9b3f6"`
[INFO] running `"docker" "rm" "-f" "20eb8cef7e00e53aca55c5be4c1d4f42de7f04b61705a4618549bffbaee9b3f6"`
[INFO] [stdout] 20eb8cef7e00e53aca55c5be4c1d4f42de7f04b61705a4618549bffbaee9b3f6