[INFO] updating cached repository elpollouk/advent_of_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elpollouk/advent_of_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elpollouk/advent_of_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/elpollouk/advent_of_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/elpollouk/advent_of_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elpollouk/advent_of_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elpollouk/advent_of_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elpollouk/advent_of_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f9963993ecf0aa44e9f6e84ae94ef74fe6644b7
[INFO] sha for GitHub repo elpollouk/advent_of_rust: 3f9963993ecf0aa44e9f6e84ae94ef74fe6644b7
[INFO] validating manifest of elpollouk/advent_of_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 elpollouk/advent_of_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 elpollouk/advent_of_rust
[INFO] finished frobbing elpollouk/advent_of_rust
[INFO] frobbed toml for elpollouk/advent_of_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/elpollouk/advent_of_rust/Cargo.toml
[INFO] started frobbing elpollouk/advent_of_rust
[INFO] finished frobbing elpollouk/advent_of_rust
[INFO] frobbed toml for elpollouk/advent_of_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elpollouk/advent_of_rust/Cargo.toml
[INFO] crate elpollouk/advent_of_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 elpollouk/advent_of_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/elpollouk/advent_of_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] 78fde6aa6c0aebb2c1095c35e2c3243d1aa8bbd3133b6461f5a995854214ba30
[INFO] running `"docker" "start" "-a" "78fde6aa6c0aebb2c1095c35e2c3243d1aa8bbd3133b6461f5a995854214ba30"`
[INFO] [stderr]    Compiling advent_of_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "78fde6aa6c0aebb2c1095c35e2c3243d1aa8bbd3133b6461f5a995854214ba30"`
[INFO] running `"docker" "rm" "-f" "78fde6aa6c0aebb2c1095c35e2c3243d1aa8bbd3133b6461f5a995854214ba30"`
[INFO] [stdout] 78fde6aa6c0aebb2c1095c35e2c3243d1aa8bbd3133b6461f5a995854214ba30
[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/elpollouk/advent_of_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] 56a43700e5635c094252e6bd24c4c5ee80e64ce32ef1ff471b7b1592f205f25c
[INFO] running `"docker" "start" "-a" "56a43700e5635c094252e6bd24c4c5ee80e64ce32ef1ff471b7b1592f205f25c"`
[INFO] [stderr]    Compiling advent_of_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "56a43700e5635c094252e6bd24c4c5ee80e64ce32ef1ff471b7b1592f205f25c"`
[INFO] running `"docker" "rm" "-f" "56a43700e5635c094252e6bd24c4c5ee80e64ce32ef1ff471b7b1592f205f25c"`
[INFO] [stdout] 56a43700e5635c094252e6bd24c4c5ee80e64ce32ef1ff471b7b1592f205f25c
[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/elpollouk/advent_of_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] 1c41ec50fdf1f45a522eb5598633d5ab37cf9c3e5720e275293a2c9dce4279f5
[INFO] running `"docker" "start" "-a" "1c41ec50fdf1f45a522eb5598633d5ab37cf9c3e5720e275293a2c9dce4279f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_rust-ad102a321504d553
[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" "1c41ec50fdf1f45a522eb5598633d5ab37cf9c3e5720e275293a2c9dce4279f5"`
[INFO] running `"docker" "rm" "-f" "1c41ec50fdf1f45a522eb5598633d5ab37cf9c3e5720e275293a2c9dce4279f5"`
[INFO] [stdout] 1c41ec50fdf1f45a522eb5598633d5ab37cf9c3e5720e275293a2c9dce4279f5