[INFO] cloning repository https://github.com/alightgoesout/advent2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alightgoesout/advent2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falightgoesout%2Fadvent2018"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falightgoesout%2Fadvent2018'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb18b2d76519060763a897f3585ac0b14b45932d
[INFO] checking alightgoesout/advent2018 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falightgoesout%2Fadvent2018" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alightgoesout/advent2018 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alightgoesout/advent2018
[INFO] finished tweaking git repo https://github.com/alightgoesout/advent2018
[INFO] tweaked toml for git repo https://github.com/alightgoesout/advent2018 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/alightgoesout/advent2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 863d1198dc7955fcc961d0a6ef241ba4de10d2c5417d60183cdddd61ca9cb1cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "863d1198dc7955fcc961d0a6ef241ba4de10d2c5417d60183cdddd61ca9cb1cb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking advent v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day2/find_similar_ids.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 | ...                   let mut splitted_id = splitted_ids.get(i);
[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/day2/find_similar_ids.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 | ...                   let mut afters = splitted_id.get(before);
[INFO] [stderr]    |                           ----^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `claim_regex` should have an upper case name
[INFO] [stderr]   --> src/day3/claim.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     static ref claim_regex: Regex =
[INFO] [stderr]    |                ^^^^^^^^^^^ help: convert the identifier to upper case: `CLAIM_REGEX`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day2/find_similar_ids.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 | ...                   let mut splitted_id = splitted_ids.get(i);
[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/day2/find_similar_ids.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 | ...                   let mut afters = splitted_id.get(before);
[INFO] [stderr]    |                           ----^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `claim_regex` should have an upper case name
[INFO] [stderr]   --> src/day3/claim.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     static ref claim_regex: Regex =
[INFO] [stderr]    |                ^^^^^^^^^^^ help: convert the identifier to upper case: `CLAIM_REGEX`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.32s
[INFO] running `"docker" "inspect" "863d1198dc7955fcc961d0a6ef241ba4de10d2c5417d60183cdddd61ca9cb1cb"`
[INFO] running `"docker" "rm" "-f" "863d1198dc7955fcc961d0a6ef241ba4de10d2c5417d60183cdddd61ca9cb1cb"`
[INFO] [stdout] 863d1198dc7955fcc961d0a6ef241ba4de10d2c5417d60183cdddd61ca9cb1cb