[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 beta-2019-09-28 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-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zeddidragon/Advent-of-Code-2018 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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-6/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" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 14d01f7053e4020c8c475ab0d30552745a60a9fca379c4296efc0322f0dae7e0
[INFO] running `"docker" "start" "-a" "14d01f7053e4020c8c475ab0d30552745a60a9fca379c4296efc0322f0dae7e0"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[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 17.89s
[INFO] running `"docker" "inspect" "14d01f7053e4020c8c475ab0d30552745a60a9fca379c4296efc0322f0dae7e0"`
[INFO] running `"docker" "rm" "-f" "14d01f7053e4020c8c475ab0d30552745a60a9fca379c4296efc0322f0dae7e0"`
[INFO] [stdout] 14d01f7053e4020c8c475ab0d30552745a60a9fca379c4296efc0322f0dae7e0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] f104c5cc1acb0ef4a4db9ad65d6e54046144ca675408d7ec02fd50b022e06547
[INFO] running `"docker" "start" "-a" "f104c5cc1acb0ef4a4db9ad65d6e54046144ca675408d7ec02fd50b022e06547"`
[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 1.92s
[INFO] running `"docker" "inspect" "f104c5cc1acb0ef4a4db9ad65d6e54046144ca675408d7ec02fd50b022e06547"`
[INFO] running `"docker" "rm" "-f" "f104c5cc1acb0ef4a4db9ad65d6e54046144ca675408d7ec02fd50b022e06547"`
[INFO] [stdout] f104c5cc1acb0ef4a4db9ad65d6e54046144ca675408d7ec02fd50b022e06547
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] c6ee8ea98a94a67d0693e10abfbb01b7030bf4cc965329f40e3c845510f9d685
[INFO] running `"docker" "start" "-a" "c6ee8ea98a94a67d0693e10abfbb01b7030bf4cc965329f40e3c845510f9d685"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2018-3496ce0290337cfb
[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" "c6ee8ea98a94a67d0693e10abfbb01b7030bf4cc965329f40e3c845510f9d685"`
[INFO] running `"docker" "rm" "-f" "c6ee8ea98a94a67d0693e10abfbb01b7030bf4cc965329f40e3c845510f9d685"`
[INFO] [stdout] c6ee8ea98a94a67d0693e10abfbb01b7030bf4cc965329f40e3c845510f9d685