[INFO] updating cached repository Welperooni/aoc2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Welperooni/aoc2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Welperooni/aoc2017" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Welperooni/aoc2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Welperooni/aoc2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Welperooni/aoc2017" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Welperooni/aoc2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Welperooni/aoc2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a29a5ac73ceaeda37bd1afb75362dec1773840d
[INFO] sha for GitHub repo Welperooni/aoc2017: 0a29a5ac73ceaeda37bd1afb75362dec1773840d
[INFO] validating manifest of Welperooni/aoc2017 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Welperooni/aoc2017 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Welperooni/aoc2017
[INFO] finished frobbing Welperooni/aoc2017
[INFO] frobbed toml for Welperooni/aoc2017 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Welperooni/aoc2017/Cargo.toml
[INFO] started frobbing Welperooni/aoc2017
[INFO] finished frobbing Welperooni/aoc2017
[INFO] frobbed toml for Welperooni/aoc2017 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/Welperooni/aoc2017/Cargo.toml
[INFO] crate Welperooni/aoc2017 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Welperooni/aoc2017 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Welperooni/aoc2017:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66f1b2068d27c640d523086ef51f88276c4e603bcc9b81620ba5dcfe8129d56d
[INFO] running `"docker" "start" "-a" "66f1b2068d27c640d523086ef51f88276c4e603bcc9b81620ba5dcfe8129d56d"`
[INFO] [stderr]     Checking aoc_2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1440:21
[INFO] [stderr]      |
[INFO] [stderr] 1440 |                 let mut line: Vec<&str> = line.split_whitespace().collect();
[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/lib.rs:1553:21
[INFO] [stderr]      |
[INFO] [stderr] 1553 |                 let mut line: Vec<&str> = line.split_whitespace().collect();
[INFO] [stderr]      |                     ----^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2906:17
[INFO] [stderr]      |
[INFO] [stderr] 2906 |             let mut particle = plane.get_mut(&k).unwrap();
[INFO] [stderr]      |                 ----^^^^^^^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:1440:21
[INFO] [stderr]      |
[INFO] [stderr] 1440 |                 let mut line: Vec<&str> = line.split_whitespace().collect();
[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/lib.rs:1553:21
[INFO] [stderr]      |
[INFO] [stderr] 1553 |                 let mut line: Vec<&str> = line.split_whitespace().collect();
[INFO] [stderr]      |                     ----^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/lib.rs:2906:17
[INFO] [stderr]      |
[INFO] [stderr] 2906 |             let mut particle = plane.get_mut(&k).unwrap();
[INFO] [stderr]      |                 ----^^^^^^^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "66f1b2068d27c640d523086ef51f88276c4e603bcc9b81620ba5dcfe8129d56d"`
[INFO] running `"docker" "rm" "-f" "66f1b2068d27c640d523086ef51f88276c4e603bcc9b81620ba5dcfe8129d56d"`
[INFO] [stdout] 66f1b2068d27c640d523086ef51f88276c4e603bcc9b81620ba5dcfe8129d56d