[INFO] updating cached repository jotingen/rust-sudokusolver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jotingen/rust-sudokusolver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jotingen/rust-sudokusolver" "work/ex/beta-1.38-1/sources/1.37.0/gh/jotingen/rust-sudokusolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jotingen/rust-sudokusolver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jotingen/rust-sudokusolver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jotingen/rust-sudokusolver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jotingen/rust-sudokusolver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5655b077a8c3cc64745ed0aa130370f5dfcf9c9e
[INFO] sha for GitHub repo jotingen/rust-sudokusolver: 5655b077a8c3cc64745ed0aa130370f5dfcf9c9e
[INFO] validating manifest of jotingen/rust-sudokusolver 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 jotingen/rust-sudokusolver 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 jotingen/rust-sudokusolver
[INFO] finished frobbing jotingen/rust-sudokusolver
[INFO] frobbed toml for jotingen/rust-sudokusolver written to work/ex/beta-1.38-1/sources/1.37.0/gh/jotingen/rust-sudokusolver/Cargo.toml
[INFO] started frobbing jotingen/rust-sudokusolver
[INFO] finished frobbing jotingen/rust-sudokusolver
[INFO] frobbed toml for jotingen/rust-sudokusolver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jotingen/rust-sudokusolver/Cargo.toml
[INFO] crate jotingen/rust-sudokusolver 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 jotingen/rust-sudokusolver against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jotingen/rust-sudokusolver:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] cfcb99d601f017131ddd5538eba1e9ebf0750a41789e5c5aedd84fb93e188544
[INFO] running `"docker" "start" "-a" "cfcb99d601f017131ddd5538eba1e9ebf0750a41789e5c5aedd84fb93e188544"`
[INFO] [stderr]    Compiling rust-sudokusolver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "cfcb99d601f017131ddd5538eba1e9ebf0750a41789e5c5aedd84fb93e188544"`
[INFO] running `"docker" "rm" "-f" "cfcb99d601f017131ddd5538eba1e9ebf0750a41789e5c5aedd84fb93e188544"`
[INFO] [stdout] cfcb99d601f017131ddd5538eba1e9ebf0750a41789e5c5aedd84fb93e188544
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jotingen/rust-sudokusolver:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e79c9ef1d54c53301ec592d58c5f9b1bf68eac2af99040dabfed3e91f7b86166
[INFO] running `"docker" "start" "-a" "e79c9ef1d54c53301ec592d58c5f9b1bf68eac2af99040dabfed3e91f7b86166"`
[INFO] [stderr]    Compiling rust-sudokusolver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "e79c9ef1d54c53301ec592d58c5f9b1bf68eac2af99040dabfed3e91f7b86166"`
[INFO] running `"docker" "rm" "-f" "e79c9ef1d54c53301ec592d58c5f9b1bf68eac2af99040dabfed3e91f7b86166"`
[INFO] [stdout] e79c9ef1d54c53301ec592d58c5f9b1bf68eac2af99040dabfed3e91f7b86166
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jotingen/rust-sudokusolver:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3aeefd597eee06f501ccce7a8c6c64bc6810d79f18f60d8d7e8c39cf0b4b34ed
[INFO] running `"docker" "start" "-a" "3aeefd597eee06f501ccce7a8c6c64bc6810d79f18f60d8d7e8c39cf0b4b34ed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sudokusolver-b4fe6f59e33230a6
[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" "3aeefd597eee06f501ccce7a8c6c64bc6810d79f18f60d8d7e8c39cf0b4b34ed"`
[INFO] running `"docker" "rm" "-f" "3aeefd597eee06f501ccce7a8c6c64bc6810d79f18f60d8d7e8c39cf0b4b34ed"`
[INFO] [stdout] 3aeefd597eee06f501ccce7a8c6c64bc6810d79f18f60d8d7e8c39cf0b4b34ed