[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-1.38-1/sources/1.37.0/gh/arzmir/aoc-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arzmir/aoc-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arzmir/aoc-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arzmir/aoc-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arzmir/aoc-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing arzmir/aoc-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e52f13467498719e4e10af859d07fc109a07722ce69948f320b261103cfe6a69
[INFO] running `"docker" "start" "-a" "e52f13467498719e4e10af859d07fc109a07722ce69948f320b261103cfe6a69"`
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[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 9.23s
[INFO] running `"docker" "inspect" "e52f13467498719e4e10af859d07fc109a07722ce69948f320b261103cfe6a69"`
[INFO] running `"docker" "rm" "-f" "e52f13467498719e4e10af859d07fc109a07722ce69948f320b261103cfe6a69"`
[INFO] [stdout] e52f13467498719e4e10af859d07fc109a07722ce69948f320b261103cfe6a69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1030053ec437900a5fabae164e8b689040c5288d48464dc4f4ac25f96929a0cd
[INFO] running `"docker" "start" "-a" "1030053ec437900a5fabae164e8b689040c5288d48464dc4f4ac25f96929a0cd"`
[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 1.08s
[INFO] running `"docker" "inspect" "1030053ec437900a5fabae164e8b689040c5288d48464dc4f4ac25f96929a0cd"`
[INFO] running `"docker" "rm" "-f" "1030053ec437900a5fabae164e8b689040c5288d48464dc4f4ac25f96929a0cd"`
[INFO] [stdout] 1030053ec437900a5fabae164e8b689040c5288d48464dc4f4ac25f96929a0cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] bf30416bbc04384c990d48647b481934951428adce99123448e02f90eed6c352
[INFO] running `"docker" "start" "-a" "bf30416bbc04384c990d48647b481934951428adce99123448e02f90eed6c352"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/aoc_rust-7c0124476c616d64
[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" "bf30416bbc04384c990d48647b481934951428adce99123448e02f90eed6c352"`
[INFO] running `"docker" "rm" "-f" "bf30416bbc04384c990d48647b481934951428adce99123448e02f90eed6c352"`
[INFO] [stdout] bf30416bbc04384c990d48647b481934951428adce99123448e02f90eed6c352