[INFO] updating cached repository https://github.com/actionshrimp/aoc-2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bd59d262be2197a3fc41405053be51e2a58d691
[INFO] checking actionshrimp/aoc-2018 against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Factionshrimp%2Faoc-2018" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/actionshrimp/aoc-2018 on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/actionshrimp/aoc-2018
[INFO] finished tweaking git repo https://github.com/actionshrimp/aoc-2018
[INFO] tweaked toml for git repo https://github.com/actionshrimp/aoc-2018 written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/actionshrimp/aoc-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 773b29e43f249951e3816307d6235592fadbc8792ff9f6faa5173f5dfea19995
[INFO] running `"docker" "start" "-a" "773b29e43f249951e3816307d6235592fadbc8792ff9f6faa5173f5dfea19995"`
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking combine v3.6.3
[INFO] [stderr]     Checking hyper v0.12.16
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day04.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let mut total_mins = minutes_asleep
[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/day04.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let mut guard_mins = mins_by_guard.entry(s.guard_id).or_insert([0; 60]);
[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/day03.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut coords = to_coords(claim);
[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/day03.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut coords = to_coords(claim);
[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/day04.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let mut total_mins = minutes_asleep
[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/day04.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let mut guard_mins = mins_by_guard.entry(s.guard_id).or_insert([0; 60]);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.70s
[INFO] running `"docker" "inspect" "773b29e43f249951e3816307d6235592fadbc8792ff9f6faa5173f5dfea19995"`
[INFO] running `"docker" "rm" "-f" "773b29e43f249951e3816307d6235592fadbc8792ff9f6faa5173f5dfea19995"`
[INFO] [stdout] 773b29e43f249951e3816307d6235592fadbc8792ff9f6faa5173f5dfea19995