[INFO] crate bulls-and-cows 1.0.7 is already in cache
[INFO] extracting crate bulls-and-cows 1.0.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/bulls-and-cows/1.0.7
[INFO] extracting crate bulls-and-cows 1.0.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bulls-and-cows/1.0.7
[INFO] validating manifest of bulls-and-cows-1.0.7 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 bulls-and-cows-1.0.7 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 bulls-and-cows-1.0.7 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] eae0f172ea619b43f3833dd103fcfd468fc7eb019c0079d7fa6769d8db9b0023
[INFO] running `"docker" "start" "-a" "eae0f172ea619b43f3833dd103fcfd468fc7eb019c0079d7fa6769d8db9b0023"`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling debug-helper v0.3.2
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[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 regex v1.1.2
[INFO] [stderr]    Compiling bulls-and-cows v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.79s
[INFO] running `"docker" "inspect" "eae0f172ea619b43f3833dd103fcfd468fc7eb019c0079d7fa6769d8db9b0023"`
[INFO] running `"docker" "rm" "-f" "eae0f172ea619b43f3833dd103fcfd468fc7eb019c0079d7fa6769d8db9b0023"`
[INFO] [stdout] eae0f172ea619b43f3833dd103fcfd468fc7eb019c0079d7fa6769d8db9b0023
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e890e520487b2f4f5880e5a06534ecec40d47b45cea2d82977e363ee1ab6dc3
[INFO] running `"docker" "start" "-a" "9e890e520487b2f4f5880e5a06534ecec40d47b45cea2d82977e363ee1ab6dc3"`
[INFO] [stderr]    Compiling bulls-and-cows v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "9e890e520487b2f4f5880e5a06534ecec40d47b45cea2d82977e363ee1ab6dc3"`
[INFO] running `"docker" "rm" "-f" "9e890e520487b2f4f5880e5a06534ecec40d47b45cea2d82977e363ee1ab6dc3"`
[INFO] [stdout] 9e890e520487b2f4f5880e5a06534ecec40d47b45cea2d82977e363ee1ab6dc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5e16802144f27444519511f7eecd4d3c95b2e0008fce304bfd22bfe757d6cee0
[INFO] running `"docker" "start" "-a" "5e16802144f27444519511f7eecd4d3c95b2e0008fce304bfd22bfe757d6cee0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bulls_and_cows-75dc139cc9671115
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ab_parser-d3f81f6465afd61e
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_xayb ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/host-180bb1c9682ed977
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test known_answer ... ok
[INFO] [stderr]    Doc-tests bulls-and-cows
[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] [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" "5e16802144f27444519511f7eecd4d3c95b2e0008fce304bfd22bfe757d6cee0"`
[INFO] running `"docker" "rm" "-f" "5e16802144f27444519511f7eecd4d3c95b2e0008fce304bfd22bfe757d6cee0"`
[INFO] [stdout] 5e16802144f27444519511f7eecd4d3c95b2e0008fce304bfd22bfe757d6cee0