[INFO] updating cached repository arzmir/aoc-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arzmir/aoc-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arzmir/aoc-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/arzmir/aoc-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/arzmir/aoc-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arzmir/aoc-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/arzmir/aoc-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/arzmir/aoc-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 142fe195987b1afb94c236a057ba3ee644aaa039
[INFO] sha for GitHub repo arzmir/aoc-rust: 142fe195987b1afb94c236a057ba3ee644aaa039
[INFO] validating manifest of arzmir/aoc-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arzmir/aoc-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arzmir/aoc-rust
[INFO] finished frobbing arzmir/aoc-rust
[INFO] frobbed toml for arzmir/aoc-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/arzmir/aoc-rust/Cargo.toml
[INFO] started frobbing arzmir/aoc-rust
[INFO] finished frobbing arzmir/aoc-rust
[INFO] frobbed toml for arzmir/aoc-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/arzmir/aoc-rust/Cargo.toml
[INFO] crate arzmir/aoc-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing arzmir/aoc-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/arzmir/aoc-rust:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] eb18e869861f60969a6c4e24ac7c076228168a7661e7e472c6723a469e608220
[INFO] running `"docker" "start" "-a" "eb18e869861f60969a6c4e24ac7c076228168a7661e7e472c6723a469e608220"`
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling aoc-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SystemTime`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{SystemTime, Instant};
[INFO] [stderr]   |                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.98s
[INFO] running `"docker" "inspect" "eb18e869861f60969a6c4e24ac7c076228168a7661e7e472c6723a469e608220"`
[INFO] running `"docker" "rm" "-f" "eb18e869861f60969a6c4e24ac7c076228168a7661e7e472c6723a469e608220"`
[INFO] [stdout] eb18e869861f60969a6c4e24ac7c076228168a7661e7e472c6723a469e608220
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/arzmir/aoc-rust:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d64c74f79bc5fde4682351d71d072f6735b4065f01e3f4b9b4b148e6dc037f2c
[INFO] running `"docker" "start" "-a" "d64c74f79bc5fde4682351d71d072f6735b4065f01e3f4b9b4b148e6dc037f2c"`
[INFO] [stderr]    Compiling aoc-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SystemTime`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{SystemTime, Instant};
[INFO] [stderr]   |                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "d64c74f79bc5fde4682351d71d072f6735b4065f01e3f4b9b4b148e6dc037f2c"`
[INFO] running `"docker" "rm" "-f" "d64c74f79bc5fde4682351d71d072f6735b4065f01e3f4b9b4b148e6dc037f2c"`
[INFO] [stdout] d64c74f79bc5fde4682351d71d072f6735b4065f01e3f4b9b4b148e6dc037f2c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/arzmir/aoc-rust:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7f9651cc20fa11d838ee86ab521809df691ad8957cf1bf5d2730e8f38cf60b74
[INFO] running `"docker" "start" "-a" "7f9651cc20fa11d838ee86ab521809df691ad8957cf1bf5d2730e8f38cf60b74"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc_rust-26ba97addf17b6aa
[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" "7f9651cc20fa11d838ee86ab521809df691ad8957cf1bf5d2730e8f38cf60b74"`
[INFO] running `"docker" "rm" "-f" "7f9651cc20fa11d838ee86ab521809df691ad8957cf1bf5d2730e8f38cf60b74"`
[INFO] [stdout] 7f9651cc20fa11d838ee86ab521809df691ad8957cf1bf5d2730e8f38cf60b74