[INFO] updating cached repository glurbi/adventofcode2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/glurbi/adventofcode2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/glurbi/adventofcode2017" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/glurbi/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/glurbi/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/glurbi/adventofcode2017" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/glurbi/adventofcode2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/glurbi/adventofcode2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d411b28c3decfd5e0929c1827859813638f74a4b
[INFO] sha for GitHub repo glurbi/adventofcode2017: d411b28c3decfd5e0929c1827859813638f74a4b
[INFO] validating manifest of glurbi/adventofcode2017 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of glurbi/adventofcode2017 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing glurbi/adventofcode2017
[INFO] finished frobbing glurbi/adventofcode2017
[INFO] frobbed toml for glurbi/adventofcode2017 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/glurbi/adventofcode2017/Cargo.toml
[INFO] started frobbing glurbi/adventofcode2017
[INFO] finished frobbing glurbi/adventofcode2017
[INFO] frobbed toml for glurbi/adventofcode2017 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/glurbi/adventofcode2017/Cargo.toml
[INFO] crate glurbi/adventofcode2017 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking glurbi/adventofcode2017 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/glurbi/adventofcode2017:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a6f50a7880ab71bc32b80af4b3eba2bbc073615286b1dd9e8fee4b74a961ac24
[INFO] running `"docker" "start" "-a" "a6f50a7880ab71bc32b80af4b3eba2bbc073615286b1dd9e8fee4b74a961ac24"`
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day24.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut bag = components.iter().filter(|x| x.i != start_comp.i).cloned().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/bin/day24.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let mut v = vec![start_comp];
[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/bin/day24.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut port = start_comp.p1;
[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/bin/day12.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut to_ids = it.next().unwrap().split(", ").map(|x| x.parse::<i32>().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/bin/day12.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut to_ids = it.next().unwrap().split(", ").map(|x| x.parse::<i32>().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/bin/day24.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut bag = components.iter().filter(|x| x.i != start_comp.i).cloned().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/bin/day24.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let mut v = vec![start_comp];
[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/bin/day24.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut port = start_comp.p1;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.11s
[INFO] running `"docker" "inspect" "a6f50a7880ab71bc32b80af4b3eba2bbc073615286b1dd9e8fee4b74a961ac24"`
[INFO] running `"docker" "rm" "-f" "a6f50a7880ab71bc32b80af4b3eba2bbc073615286b1dd9e8fee4b74a961ac24"`
[INFO] [stdout] a6f50a7880ab71bc32b80af4b3eba2bbc073615286b1dd9e8fee4b74a961ac24