[INFO] cloning repository ymgyt/flipflop
[INFO] running `"git" "clone" "--bare" "git://github.com/ymgyt/flipflop.git" "work/cache/sources/gh/ymgyt/flipflop"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ymgyt/flipflop'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ymgyt/flipflop" "work/ex/beta-1.37-6/sources/1.36.0/gh/ymgyt/flipflop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ymgyt/flipflop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ymgyt/flipflop" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ymgyt/flipflop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ymgyt/flipflop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c8428e4b5faaee034408eadc8a6b671f2cc1ff9
[INFO] sha for GitHub repo ymgyt/flipflop: 1c8428e4b5faaee034408eadc8a6b671f2cc1ff9
[INFO] validating manifest of ymgyt/flipflop 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 ymgyt/flipflop 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 ymgyt/flipflop
[INFO] finished frobbing ymgyt/flipflop
[INFO] frobbed toml for ymgyt/flipflop written to work/ex/beta-1.37-6/sources/1.36.0/gh/ymgyt/flipflop/Cargo.toml
[INFO] started frobbing ymgyt/flipflop
[INFO] finished frobbing ymgyt/flipflop
[INFO] frobbed toml for ymgyt/flipflop written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ymgyt/flipflop/Cargo.toml
[INFO] crate ymgyt/flipflop 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 ymgyt/flipflop against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ymgyt/flipflop:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8f818d1a684c1324f7db2f739a1fe5ed2576f609975183121dba88c22cf31946
[INFO] running `"docker" "start" "-a" "8f818d1a684c1324f7db2f739a1fe5ed2576f609975183121dba88c22cf31946"`
[INFO] [stderr]    Compiling flipflop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "8f818d1a684c1324f7db2f739a1fe5ed2576f609975183121dba88c22cf31946"`
[INFO] running `"docker" "rm" "-f" "8f818d1a684c1324f7db2f739a1fe5ed2576f609975183121dba88c22cf31946"`
[INFO] [stdout] 8f818d1a684c1324f7db2f739a1fe5ed2576f609975183121dba88c22cf31946
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ymgyt/flipflop:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 29fa85a161465b3b2570a668d4d760916b77fb7fef4c5356c960569241ef6191
[INFO] running `"docker" "start" "-a" "29fa85a161465b3b2570a668d4d760916b77fb7fef4c5356c960569241ef6191"`
[INFO] [stderr]    Compiling flipflop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "29fa85a161465b3b2570a668d4d760916b77fb7fef4c5356c960569241ef6191"`
[INFO] running `"docker" "rm" "-f" "29fa85a161465b3b2570a668d4d760916b77fb7fef4c5356c960569241ef6191"`
[INFO] [stdout] 29fa85a161465b3b2570a668d4d760916b77fb7fef4c5356c960569241ef6191
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ymgyt/flipflop:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c8b9a26e9a04a8d9c308a4620230315f482020f11d942f28ba1071469d5cc24f
[INFO] running `"docker" "start" "-a" "c8b9a26e9a04a8d9c308a4620230315f482020f11d942f28ba1071469d5cc24f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flipflop-5a201cccb854f325
[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/main-652d7d4d6cff666b
[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 flipflop
[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" "c8b9a26e9a04a8d9c308a4620230315f482020f11d942f28ba1071469d5cc24f"`
[INFO] running `"docker" "rm" "-f" "c8b9a26e9a04a8d9c308a4620230315f482020f11d942f28ba1071469d5cc24f"`
[INFO] [stdout] c8b9a26e9a04a8d9c308a4620230315f482020f11d942f28ba1071469d5cc24f