[INFO] updating cached repository ymgyt/flipflop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ymgyt/flipflop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ymgyt/flipflop" "work/ex/beta-1.38-1/sources/1.37.0/gh/ymgyt/flipflop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ymgyt/flipflop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ymgyt/flipflop" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ymgyt/flipflop"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ymgyt/flipflop 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 ymgyt/flipflop
[INFO] finished frobbing ymgyt/flipflop
[INFO] frobbed toml for ymgyt/flipflop written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 ymgyt/flipflop 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ad88a5375d4d6156c5ccceb09a288a903f8b656a765fbd943deeaba71c51af14
[INFO] running `"docker" "start" "-a" "ad88a5375d4d6156c5ccceb09a288a903f8b656a765fbd943deeaba71c51af14"`
[INFO] [stderr]    Compiling flipflop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "ad88a5375d4d6156c5ccceb09a288a903f8b656a765fbd943deeaba71c51af14"`
[INFO] running `"docker" "rm" "-f" "ad88a5375d4d6156c5ccceb09a288a903f8b656a765fbd943deeaba71c51af14"`
[INFO] [stdout] ad88a5375d4d6156c5ccceb09a288a903f8b656a765fbd943deeaba71c51af14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7d51f9bb969b0429333de11dfa7b624d411bb03d3732e77794c3983437765e3a
[INFO] running `"docker" "start" "-a" "7d51f9bb969b0429333de11dfa7b624d411bb03d3732e77794c3983437765e3a"`
[INFO] [stderr]    Compiling flipflop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "7d51f9bb969b0429333de11dfa7b624d411bb03d3732e77794c3983437765e3a"`
[INFO] running `"docker" "rm" "-f" "7d51f9bb969b0429333de11dfa7b624d411bb03d3732e77794c3983437765e3a"`
[INFO] [stdout] 7d51f9bb969b0429333de11dfa7b624d411bb03d3732e77794c3983437765e3a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3ba41497ae2409f527a11160853ac59c403afca2321ba43374a2663b0a888ace
[INFO] running `"docker" "start" "-a" "3ba41497ae2409f527a11160853ac59c403afca2321ba43374a2663b0a888ace"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flipflop-0abb327f62e7fb61
[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-e79aa763220057dc
[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" "3ba41497ae2409f527a11160853ac59c403afca2321ba43374a2663b0a888ace"`
[INFO] running `"docker" "rm" "-f" "3ba41497ae2409f527a11160853ac59c403afca2321ba43374a2663b0a888ace"`
[INFO] [stdout] 3ba41497ae2409f527a11160853ac59c403afca2321ba43374a2663b0a888ace