[INFO] updating cached repository quillcox/Mastermind
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/quillcox/Mastermind
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/quillcox/Mastermind" "work/ex/beta-1.38-1/sources/1.37.0/gh/quillcox/Mastermind"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/quillcox/Mastermind'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/quillcox/Mastermind" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/quillcox/Mastermind"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/quillcox/Mastermind'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5401482f3a9da799e7af624d382cbc2654b5c89a
[INFO] sha for GitHub repo quillcox/Mastermind: 5401482f3a9da799e7af624d382cbc2654b5c89a
[INFO] validating manifest of quillcox/Mastermind 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 quillcox/Mastermind 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 quillcox/Mastermind
[INFO] finished frobbing quillcox/Mastermind
[INFO] frobbed toml for quillcox/Mastermind written to work/ex/beta-1.38-1/sources/1.37.0/gh/quillcox/Mastermind/Cargo.toml
[INFO] started frobbing quillcox/Mastermind
[INFO] finished frobbing quillcox/Mastermind
[INFO] frobbed toml for quillcox/Mastermind written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/quillcox/Mastermind/Cargo.toml
[INFO] crate quillcox/Mastermind 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/quillcox/Mastermind/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 quillcox/Mastermind 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/quillcox/Mastermind:/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] ec8aad93dcfcf81ce30bdb1f7240a00f9620d029e02b20d97a90926da657c4d1
[INFO] running `"docker" "start" "-a" "ec8aad93dcfcf81ce30bdb1f7240a00f9620d029e02b20d97a90926da657c4d1"`
[INFO] [stderr]    Compiling mastermind v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "ec8aad93dcfcf81ce30bdb1f7240a00f9620d029e02b20d97a90926da657c4d1"`
[INFO] running `"docker" "rm" "-f" "ec8aad93dcfcf81ce30bdb1f7240a00f9620d029e02b20d97a90926da657c4d1"`
[INFO] [stdout] ec8aad93dcfcf81ce30bdb1f7240a00f9620d029e02b20d97a90926da657c4d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/quillcox/Mastermind:/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] 169ce052e5d77f3fb43897dee8e748740aa69033401172851a79ec35a6429591
[INFO] running `"docker" "start" "-a" "169ce052e5d77f3fb43897dee8e748740aa69033401172851a79ec35a6429591"`
[INFO] [stderr]    Compiling mastermind v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "169ce052e5d77f3fb43897dee8e748740aa69033401172851a79ec35a6429591"`
[INFO] running `"docker" "rm" "-f" "169ce052e5d77f3fb43897dee8e748740aa69033401172851a79ec35a6429591"`
[INFO] [stdout] 169ce052e5d77f3fb43897dee8e748740aa69033401172851a79ec35a6429591
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/quillcox/Mastermind:/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] e168f5b8a39b6b02b9e3dfebc6d4ab639e2fe632a1595e8aee9bdfa283d7379d
[INFO] running `"docker" "start" "-a" "e168f5b8a39b6b02b9e3dfebc6d4ab639e2fe632a1595e8aee9bdfa283d7379d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mastermind-5bd8d50e989fb190
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_game_step ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mastermind-c9ddfaf253319c2c
[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] [stderr]    Doc-tests mastermind
[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" "e168f5b8a39b6b02b9e3dfebc6d4ab639e2fe632a1595e8aee9bdfa283d7379d"`
[INFO] running `"docker" "rm" "-f" "e168f5b8a39b6b02b9e3dfebc6d4ab639e2fe632a1595e8aee9bdfa283d7379d"`
[INFO] [stdout] e168f5b8a39b6b02b9e3dfebc6d4ab639e2fe632a1595e8aee9bdfa283d7379d