[INFO] fetching crate bulls-and-cows 1.0.7...
[INFO] extracting crate bulls-and-cows 1.0.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/bulls-and-cows/1.0.7
[INFO] extracting crate bulls-and-cows 1.0.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bulls-and-cows/1.0.7
[INFO] validating manifest of bulls-and-cows-1.0.7 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 bulls-and-cows-1.0.7 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 bulls-and-cows-1.0.7
[INFO] finished frobbing bulls-and-cows-1.0.7
[INFO] frobbed toml for bulls-and-cows-1.0.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/bulls-and-cows/1.0.7/Cargo.toml
[INFO] started frobbing bulls-and-cows-1.0.7
[INFO] finished frobbing bulls-and-cows-1.0.7
[INFO] frobbed toml for bulls-and-cows-1.0.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bulls-and-cows/1.0.7/Cargo.toml
[INFO] crate bulls-and-cows-1.0.7 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 bulls-and-cows-1.0.7 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-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bulls-and-cows/1.0.7:/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] 1271a9049d27411e938b8e3ebf94f15c4941dbfd018230abc8094cb283b9011b
[INFO] running `"docker" "start" "-a" "1271a9049d27411e938b8e3ebf94f15c4941dbfd018230abc8094cb283b9011b"`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling debug-helper v0.3.2
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling random-integer v1.0.2
[INFO] [stderr]    Compiling random-pick v1.2.3
[INFO] [stderr]    Compiling bulls-and-cows v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.74s
[INFO] running `"docker" "inspect" "1271a9049d27411e938b8e3ebf94f15c4941dbfd018230abc8094cb283b9011b"`
[INFO] running `"docker" "rm" "-f" "1271a9049d27411e938b8e3ebf94f15c4941dbfd018230abc8094cb283b9011b"`
[INFO] [stdout] 1271a9049d27411e938b8e3ebf94f15c4941dbfd018230abc8094cb283b9011b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bulls-and-cows/1.0.7:/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] 7881981ef899c44626bcdb845937d3469b427dff6d9d120f6f9eb5d04723b933
[INFO] running `"docker" "start" "-a" "7881981ef899c44626bcdb845937d3469b427dff6d9d120f6f9eb5d04723b933"`
[INFO] [stderr]    Compiling bulls-and-cows v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "7881981ef899c44626bcdb845937d3469b427dff6d9d120f6f9eb5d04723b933"`
[INFO] running `"docker" "rm" "-f" "7881981ef899c44626bcdb845937d3469b427dff6d9d120f6f9eb5d04723b933"`
[INFO] [stdout] 7881981ef899c44626bcdb845937d3469b427dff6d9d120f6f9eb5d04723b933
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/bulls-and-cows/1.0.7:/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] e9b4447992379ec60fc5e20504229aa6a8e9ef4e10555f72a88426ebd6852f0f
[INFO] running `"docker" "start" "-a" "e9b4447992379ec60fc5e20504229aa6a8e9ef4e10555f72a88426ebd6852f0f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bulls_and_cows-68a87943649d9530
[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]      Running /opt/crater/target/debug/deps/ab_parser-7f5731cfaf9fb994
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_xayb ... 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/host-4206f2a9b50c7b3f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test known_answer ... ok
[INFO] [stdout] test random_answer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bulls-and-cows
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e9b4447992379ec60fc5e20504229aa6a8e9ef4e10555f72a88426ebd6852f0f"`
[INFO] running `"docker" "rm" "-f" "e9b4447992379ec60fc5e20504229aa6a8e9ef4e10555f72a88426ebd6852f0f"`
[INFO] [stdout] e9b4447992379ec60fc5e20504229aa6a8e9ef4e10555f72a88426ebd6852f0f