[INFO] cloning repository wonderfulspam/advent-of-code-2018-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/wonderfulspam/advent-of-code-2018-rs.git" "work/cache/sources/gh/wonderfulspam/advent-of-code-2018-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/wonderfulspam/advent-of-code-2018-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/wonderfulspam/advent-of-code-2018-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/wonderfulspam/advent-of-code-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wonderfulspam/advent-of-code-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wonderfulspam/advent-of-code-2018-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wonderfulspam/advent-of-code-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wonderfulspam/advent-of-code-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 799dad6997dacb66924fcc42c2f12262a8da8a5a
[INFO] sha for GitHub repo wonderfulspam/advent-of-code-2018-rs: 799dad6997dacb66924fcc42c2f12262a8da8a5a
[INFO] validating manifest of wonderfulspam/advent-of-code-2018-rs 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 wonderfulspam/advent-of-code-2018-rs 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 wonderfulspam/advent-of-code-2018-rs
[INFO] finished frobbing wonderfulspam/advent-of-code-2018-rs
[INFO] frobbed toml for wonderfulspam/advent-of-code-2018-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/wonderfulspam/advent-of-code-2018-rs/Cargo.toml
[INFO] started frobbing wonderfulspam/advent-of-code-2018-rs
[INFO] finished frobbing wonderfulspam/advent-of-code-2018-rs
[INFO] frobbed toml for wonderfulspam/advent-of-code-2018-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wonderfulspam/advent-of-code-2018-rs/Cargo.toml
[INFO] crate wonderfulspam/advent-of-code-2018-rs 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 wonderfulspam/advent-of-code-2018-rs 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-2/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/wonderfulspam/advent-of-code-2018-rs:/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] 82fc0dda36e75056d13e4c886ae43c6b575ce8614d31890404e2416e99e15aa1
[INFO] running `"docker" "start" "-a" "82fc0dda36e75056d13e4c886ae43c6b575ce8614d31890404e2416e99e15aa1"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling curl v0.4.19
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.20s
[INFO] running `"docker" "inspect" "82fc0dda36e75056d13e4c886ae43c6b575ce8614d31890404e2416e99e15aa1"`
[INFO] running `"docker" "rm" "-f" "82fc0dda36e75056d13e4c886ae43c6b575ce8614d31890404e2416e99e15aa1"`
[INFO] [stdout] 82fc0dda36e75056d13e4c886ae43c6b575ce8614d31890404e2416e99e15aa1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/wonderfulspam/advent-of-code-2018-rs:/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] a30d51260c2d3aa57ba96b67e9fd4c617efdf17d35433c286bb671b88f3579d4
[INFO] running `"docker" "start" "-a" "a30d51260c2d3aa57ba96b67e9fd4c617efdf17d35433c286bb671b88f3579d4"`
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "a30d51260c2d3aa57ba96b67e9fd4c617efdf17d35433c286bb671b88f3579d4"`
[INFO] running `"docker" "rm" "-f" "a30d51260c2d3aa57ba96b67e9fd4c617efdf17d35433c286bb671b88f3579d4"`
[INFO] [stdout] a30d51260c2d3aa57ba96b67e9fd4c617efdf17d35433c286bb671b88f3579d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/wonderfulspam/advent-of-code-2018-rs:/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] 1b511c65a922827acb12852001a84b710c413a13c2fec3c2e39df7eb3c39c71a
[INFO] running `"docker" "start" "-a" "1b511c65a922827acb12852001a84b710c413a13c2fec3c2e39df7eb3c39c71a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code-eb15e82ea1d9c9e0
[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" "1b511c65a922827acb12852001a84b710c413a13c2fec3c2e39df7eb3c39c71a"`
[INFO] running `"docker" "rm" "-f" "1b511c65a922827acb12852001a84b710c413a13c2fec3c2e39df7eb3c39c71a"`
[INFO] [stdout] 1b511c65a922827acb12852001a84b710c413a13c2fec3c2e39df7eb3c39c71a