[INFO] updating cached repository amnn/adventofcode-2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/amnn/adventofcode-2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/amnn/adventofcode-2018" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/amnn/adventofcode-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/amnn/adventofcode-2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/amnn/adventofcode-2018" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/amnn/adventofcode-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/amnn/adventofcode-2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 149174a4a021f051b577d331460eed48b3c8199d [INFO] sha for GitHub repo amnn/adventofcode-2018: 149174a4a021f051b577d331460eed48b3c8199d [INFO] validating manifest of amnn/adventofcode-2018 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of amnn/adventofcode-2018 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing amnn/adventofcode-2018 [INFO] finished frobbing amnn/adventofcode-2018 [INFO] frobbed toml for amnn/adventofcode-2018 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/amnn/adventofcode-2018/Cargo.toml [INFO] started frobbing amnn/adventofcode-2018 [INFO] finished frobbing amnn/adventofcode-2018 [INFO] frobbed toml for amnn/adventofcode-2018 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/amnn/adventofcode-2018/Cargo.toml [INFO] crate amnn/adventofcode-2018 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking amnn/adventofcode-2018 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/amnn/adventofcode-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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 702f3fddc378b00a73288cbee1a8fe6752fadc0267a8d4bca70e9ec133c9b6f4 [INFO] running `"docker" "start" "-a" "702f3fddc378b00a73288cbee1a8fe6752fadc0267a8d4bca70e9ec133c9b6f4"` [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking scan_fmt v0.1.3 [INFO] [stderr] Checking adventofcode v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/day15/main.rs:115:17 [INFO] [stderr] | [INFO] [stderr] 115 | let mut r = BufReader::new(init.as_bytes()); [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/day15/main.rs:351:29 [INFO] [stderr] | [INFO] [stderr] 351 | let mut count = deaths.entry(enemy).or_insert(0); [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/day13/main.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | let mut r = BufReader::new(init.as_bytes()); [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/day04/main.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut counter = sleep_totals.entry(guard).or_insert(0); [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/day13/main.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | let mut r = BufReader::new(init.as_bytes()); [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/day04/main.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut counter = sleep_totals.entry(guard).or_insert(0); [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/day15/main.rs:115:17 [INFO] [stderr] | [INFO] [stderr] 115 | let mut r = BufReader::new(init.as_bytes()); [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/day15/main.rs:351:29 [INFO] [stderr] | [INFO] [stderr] 351 | let mut count = deaths.entry(enemy).or_insert(0); [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/day07/main.rs:65:17 [INFO] [stderr] | [INFO] [stderr] 65 | let mut nbr = nodes.get_mut(&out).unwrap(); [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/day07/main.rs:65:17 [INFO] [stderr] | [INFO] [stderr] 65 | let mut nbr = nodes.get_mut(&out).unwrap(); [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 7.54s [INFO] running `"docker" "inspect" "702f3fddc378b00a73288cbee1a8fe6752fadc0267a8d4bca70e9ec133c9b6f4"` [INFO] running `"docker" "rm" "-f" "702f3fddc378b00a73288cbee1a8fe6752fadc0267a8d4bca70e9ec133c9b6f4"` [INFO] [stdout] 702f3fddc378b00a73288cbee1a8fe6752fadc0267a8d4bca70e9ec133c9b6f4