[INFO] updating cached repository williamyaoh/flip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/williamyaoh/flip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/williamyaoh/flip" "work/ex/beta-1.38-1/sources/1.37.0/gh/williamyaoh/flip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/williamyaoh/flip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/williamyaoh/flip" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/williamyaoh/flip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/williamyaoh/flip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0fc56d7968201cdb3a8b3da5dfe2809671c2b197
[INFO] sha for GitHub repo williamyaoh/flip: 0fc56d7968201cdb3a8b3da5dfe2809671c2b197
[INFO] validating manifest of williamyaoh/flip 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 williamyaoh/flip 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 williamyaoh/flip
[INFO] finished frobbing williamyaoh/flip
[INFO] frobbed toml for williamyaoh/flip written to work/ex/beta-1.38-1/sources/1.37.0/gh/williamyaoh/flip/Cargo.toml
[INFO] started frobbing williamyaoh/flip
[INFO] finished frobbing williamyaoh/flip
[INFO] frobbed toml for williamyaoh/flip written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/williamyaoh/flip/Cargo.toml
[INFO] crate williamyaoh/flip 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 williamyaoh/flip 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-7/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/williamyaoh/flip:/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] 654c39daffda9356402342514760ad23b21b5f391b2563160ac81ac3c564f3e2
[INFO] running `"docker" "start" "-a" "654c39daffda9356402342514760ad23b21b5f391b2563160ac81ac3c564f3e2"`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling arg_input v1.0.0
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling flip v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
[INFO] running `"docker" "inspect" "654c39daffda9356402342514760ad23b21b5f391b2563160ac81ac3c564f3e2"`
[INFO] running `"docker" "rm" "-f" "654c39daffda9356402342514760ad23b21b5f391b2563160ac81ac3c564f3e2"`
[INFO] [stdout] 654c39daffda9356402342514760ad23b21b5f391b2563160ac81ac3c564f3e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/williamyaoh/flip:/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] 70d28b43b68183b60bb5ff8eae006a60d296ea029e80c45cdbe170185251bddc
[INFO] running `"docker" "start" "-a" "70d28b43b68183b60bb5ff8eae006a60d296ea029e80c45cdbe170185251bddc"`
[INFO] [stderr]    Compiling flip v1.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "70d28b43b68183b60bb5ff8eae006a60d296ea029e80c45cdbe170185251bddc"`
[INFO] running `"docker" "rm" "-f" "70d28b43b68183b60bb5ff8eae006a60d296ea029e80c45cdbe170185251bddc"`
[INFO] [stdout] 70d28b43b68183b60bb5ff8eae006a60d296ea029e80c45cdbe170185251bddc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/williamyaoh/flip:/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] 3fe0377bdd2c814fc0f7a2dcd2cd337c9847faeac1a33f703d467007e1880e4a
[INFO] running `"docker" "start" "-a" "3fe0377bdd2c814fc0f7a2dcd2cd337c9847faeac1a33f703d467007e1880e4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flip-7dc1253136c9ff30
[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" "3fe0377bdd2c814fc0f7a2dcd2cd337c9847faeac1a33f703d467007e1880e4a"`
[INFO] running `"docker" "rm" "-f" "3fe0377bdd2c814fc0f7a2dcd2cd337c9847faeac1a33f703d467007e1880e4a"`
[INFO] [stdout] 3fe0377bdd2c814fc0f7a2dcd2cd337c9847faeac1a33f703d467007e1880e4a