[INFO] updating cached repository dwelman/rust_doku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dwelman/rust_doku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dwelman/rust_doku" "work/ex/beta-1.37-6/sources/1.36.0/gh/dwelman/rust_doku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dwelman/rust_doku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dwelman/rust_doku" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dwelman/rust_doku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dwelman/rust_doku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 679f04ede33d32d423522e22164836e1a1374f9b
[INFO] sha for GitHub repo dwelman/rust_doku: 679f04ede33d32d423522e22164836e1a1374f9b
[INFO] validating manifest of dwelman/rust_doku 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 dwelman/rust_doku 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 dwelman/rust_doku
[INFO] finished frobbing dwelman/rust_doku
[INFO] frobbed toml for dwelman/rust_doku written to work/ex/beta-1.37-6/sources/1.36.0/gh/dwelman/rust_doku/Cargo.toml
[INFO] started frobbing dwelman/rust_doku
[INFO] finished frobbing dwelman/rust_doku
[INFO] frobbed toml for dwelman/rust_doku written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dwelman/rust_doku/Cargo.toml
[INFO] crate dwelman/rust_doku 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 dwelman/rust_doku 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-0/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/dwelman/rust_doku:/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] 831ae7b007243dc1f48e91df081bcc8929403f8374430e3353e8929ff9a5af3f
[INFO] running `"docker" "start" "-a" "831ae7b007243dc1f48e91df081bcc8929403f8374430e3353e8929ff9a5af3f"`
[INFO] [stderr]    Compiling rust_doku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/puzzle_logic.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use error;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "831ae7b007243dc1f48e91df081bcc8929403f8374430e3353e8929ff9a5af3f"`
[INFO] running `"docker" "rm" "-f" "831ae7b007243dc1f48e91df081bcc8929403f8374430e3353e8929ff9a5af3f"`
[INFO] [stdout] 831ae7b007243dc1f48e91df081bcc8929403f8374430e3353e8929ff9a5af3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/dwelman/rust_doku:/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] c85975bae16c9a67a14ca9ebc15e7e7bb61659769c0a135323f65e33e305a5b8
[INFO] running `"docker" "start" "-a" "c85975bae16c9a67a14ca9ebc15e7e7bb61659769c0a135323f65e33e305a5b8"`
[INFO] [stderr]    Compiling rust_doku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]  --> src/puzzle_logic.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use error;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "c85975bae16c9a67a14ca9ebc15e7e7bb61659769c0a135323f65e33e305a5b8"`
[INFO] running `"docker" "rm" "-f" "c85975bae16c9a67a14ca9ebc15e7e7bb61659769c0a135323f65e33e305a5b8"`
[INFO] [stdout] c85975bae16c9a67a14ca9ebc15e7e7bb61659769c0a135323f65e33e305a5b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/dwelman/rust_doku:/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] c02bb4a75b733de8c338e75f265303f513ef82c8eb2177075b6db89b45a21164
[INFO] running `"docker" "start" "-a" "c02bb4a75b733de8c338e75f265303f513ef82c8eb2177075b6db89b45a21164"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_doku-de20e5df5f854f71
[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" "c02bb4a75b733de8c338e75f265303f513ef82c8eb2177075b6db89b45a21164"`
[INFO] running `"docker" "rm" "-f" "c02bb4a75b733de8c338e75f265303f513ef82c8eb2177075b6db89b45a21164"`
[INFO] [stdout] c02bb4a75b733de8c338e75f265303f513ef82c8eb2177075b6db89b45a21164