[INFO] updating cached repository badouralix/advent-of-code-2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/badouralix/advent-of-code-2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/badouralix/advent-of-code-2018" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/badouralix/advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/badouralix/advent-of-code-2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/badouralix/advent-of-code-2018" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/badouralix/advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/badouralix/advent-of-code-2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4a9df1754343b31c67518392247e96572415e434 [INFO] sha for GitHub repo badouralix/advent-of-code-2018: 4a9df1754343b31c67518392247e96572415e434 [INFO] validating manifest of badouralix/advent-of-code-2018 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 badouralix/advent-of-code-2018 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 badouralix/advent-of-code-2018 [INFO] finished frobbing badouralix/advent-of-code-2018 [INFO] frobbed toml for badouralix/advent-of-code-2018 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/badouralix/advent-of-code-2018/Cargo.toml [INFO] started frobbing badouralix/advent-of-code-2018 [INFO] finished frobbing badouralix/advent-of-code-2018 [INFO] frobbed toml for badouralix/advent-of-code-2018 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/badouralix/advent-of-code-2018/Cargo.toml [INFO] crate badouralix/advent-of-code-2018 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 badouralix/advent-of-code-2018 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/badouralix/advent-of-code-2018:/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] 97aef30761dddb5b5ee1eeb02d5d6bb60b6f617194c5e506ffb71a86ffe3d2de [INFO] running `"docker" "start" "-a" "97aef30761dddb5b5ee1eeb02d5d6bb60b6f617194c5e506ffb71a86ffe3d2de"` [INFO] [stderr] Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `HashMap`, `HashSet` [INFO] [stderr] --> day-03/part-2/remicalixte.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run_hashmap` [INFO] [stderr] --> day-03/part-1/remicalixte.rs:78:1 [INFO] [stderr] | [INFO] [stderr] 78 | fn run_hashmap(input: String) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> day-02/part-2/remicalixte.rs:13:18 [INFO] [stderr] | [INFO] [stderr] 13 | let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].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] --> day-02/part-2/remicalixte.rs:13:29 [INFO] [stderr] | [INFO] [stderr] 13 | let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run_hashmap` [INFO] [stderr] --> day-03/part-1/remicalixte.rs:78:1 [INFO] [stderr] | [INFO] [stderr] 78 | fn run_hashmap(input: String) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> day-06/part-1/enizor.rs:71:25 [INFO] [stderr] | [INFO] [stderr] 71 | let mut domain_size = domains.entry(index).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: unused imports: `HashMap`, `HashSet` [INFO] [stderr] --> day-03/part-2/remicalixte.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> day-02/part-2/remicalixte.rs:13:18 [INFO] [stderr] | [INFO] [stderr] 13 | let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].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] --> day-02/part-2/remicalixte.rs:13:29 [INFO] [stderr] | [INFO] [stderr] 13 | let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes()); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> day-06/part-1/enizor.rs:71:25 [INFO] [stderr] | [INFO] [stderr] 71 | let mut domain_size = domains.entry(index).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] Finished dev [unoptimized + debuginfo] target(s) in 2.38s [INFO] running `"docker" "inspect" "97aef30761dddb5b5ee1eeb02d5d6bb60b6f617194c5e506ffb71a86ffe3d2de"` [INFO] running `"docker" "rm" "-f" "97aef30761dddb5b5ee1eeb02d5d6bb60b6f617194c5e506ffb71a86ffe3d2de"` [INFO] [stdout] 97aef30761dddb5b5ee1eeb02d5d6bb60b6f617194c5e506ffb71a86ffe3d2de