[INFO] updating cached repository https://github.com/zeddidragon/Advent-of-Code-2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 7097cd001681a97884037ce5033e2201cd008596
[INFO] testing zeddidragon/Advent-of-Code-2018 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeddidragon%2FAdvent-of-Code-2018" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zeddidragon/Advent-of-Code-2018 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zeddidragon/Advent-of-Code-2018
[INFO] finished tweaking git repo https://github.com/zeddidragon/Advent-of-Code-2018
[INFO] tweaked toml for git repo https://github.com/zeddidragon/Advent-of-Code-2018 written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zeddidragon/Advent-of-Code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ce9d386c09a8917f63df39ac10572a8ba5793f9e89bd3575699ec699393478a4
[INFO] running `"docker" "start" "-a" "ce9d386c09a8917f63df39ac10572a8ba5793f9e89bd3575699ec699393478a4"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling advent_of_code_2018 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day10.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     for mut p in particles.iter() {
[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/day10.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         for mut p in particles.iter_mut() {
[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/day10.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         for mut p in particles.iter_mut() {
[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/day10.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         for mut p in particles.iter_mut() {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.76s
[INFO] running `"docker" "inspect" "ce9d386c09a8917f63df39ac10572a8ba5793f9e89bd3575699ec699393478a4"`
[INFO] running `"docker" "rm" "-f" "ce9d386c09a8917f63df39ac10572a8ba5793f9e89bd3575699ec699393478a4"`
[INFO] [stdout] ce9d386c09a8917f63df39ac10572a8ba5793f9e89bd3575699ec699393478a4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 486f871135337deecbf41ed188deba40745980bae6c279118810434a4f4a08a5
[INFO] running `"docker" "start" "-a" "486f871135337deecbf41ed188deba40745980bae6c279118810434a4f4a08a5"`
[INFO] [stderr]    Compiling advent_of_code_2018 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day10.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     for mut p in particles.iter() {
[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/day10.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         for mut p in particles.iter_mut() {
[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/day10.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         for mut p in particles.iter_mut() {
[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/day10.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         for mut p in particles.iter_mut() {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "486f871135337deecbf41ed188deba40745980bae6c279118810434a4f4a08a5"`
[INFO] running `"docker" "rm" "-f" "486f871135337deecbf41ed188deba40745980bae6c279118810434a4f4a08a5"`
[INFO] [stdout] 486f871135337deecbf41ed188deba40745980bae6c279118810434a4f4a08a5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0c13fb29d890a39931ad2f8c918fa4231c7fe7f11d6da34e0192352e66d9aa1a
[INFO] running `"docker" "start" "-a" "0c13fb29d890a39931ad2f8c918fa4231c7fe7f11d6da34e0192352e66d9aa1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2018-e14cdead694f7fc6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0c13fb29d890a39931ad2f8c918fa4231c7fe7f11d6da34e0192352e66d9aa1a"`
[INFO] running `"docker" "rm" "-f" "0c13fb29d890a39931ad2f8c918fa4231c7fe7f11d6da34e0192352e66d9aa1a"`
[INFO] [stdout] 0c13fb29d890a39931ad2f8c918fa4231c7fe7f11d6da34e0192352e66d9aa1a