[INFO] updating cached repository lbrande/red-black-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lbrande/red-black-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lbrande/red-black-tree" "work/ex/beta-1.37-6/sources/1.36.0/gh/lbrande/red-black-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lbrande/red-black-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lbrande/red-black-tree" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lbrande/red-black-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lbrande/red-black-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 93e90d43a7f1dbfa0ad129270adfd33c90ad2c46
[INFO] sha for GitHub repo lbrande/red-black-tree: 93e90d43a7f1dbfa0ad129270adfd33c90ad2c46
[INFO] validating manifest of lbrande/red-black-tree 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 lbrande/red-black-tree 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 lbrande/red-black-tree
[INFO] finished frobbing lbrande/red-black-tree
[INFO] frobbed toml for lbrande/red-black-tree written to work/ex/beta-1.37-6/sources/1.36.0/gh/lbrande/red-black-tree/Cargo.toml
[INFO] started frobbing lbrande/red-black-tree
[INFO] finished frobbing lbrande/red-black-tree
[INFO] frobbed toml for lbrande/red-black-tree written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lbrande/red-black-tree/Cargo.toml
[INFO] crate lbrande/red-black-tree 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 lbrande/red-black-tree 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-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lbrande/red-black-tree:/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] e6f3b096f073e85220f86429c834240e2f0718e69acf3b7a4347f3a9fa0d7ef2
[INFO] running `"docker" "start" "-a" "e6f3b096f073e85220f86429c834240e2f0718e69acf3b7a4347f3a9fa0d7ef2"`
[INFO] [stderr]    Compiling red-black-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "e6f3b096f073e85220f86429c834240e2f0718e69acf3b7a4347f3a9fa0d7ef2"`
[INFO] running `"docker" "rm" "-f" "e6f3b096f073e85220f86429c834240e2f0718e69acf3b7a4347f3a9fa0d7ef2"`
[INFO] [stdout] e6f3b096f073e85220f86429c834240e2f0718e69acf3b7a4347f3a9fa0d7ef2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lbrande/red-black-tree:/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] d41b5ec3a8c8d6096be50f915f320bc207032acffbf75f723dec504a8a270f18
[INFO] running `"docker" "start" "-a" "d41b5ec3a8c8d6096be50f915f320bc207032acffbf75f723dec504a8a270f18"`
[INFO] [stderr]    Compiling red-black-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "d41b5ec3a8c8d6096be50f915f320bc207032acffbf75f723dec504a8a270f18"`
[INFO] running `"docker" "rm" "-f" "d41b5ec3a8c8d6096be50f915f320bc207032acffbf75f723dec504a8a270f18"`
[INFO] [stdout] d41b5ec3a8c8d6096be50f915f320bc207032acffbf75f723dec504a8a270f18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lbrande/red-black-tree:/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] ffc87f335a0e5f389d21becc277a036d75e743b435808597fb0677c3597cc1aa
[INFO] running `"docker" "start" "-a" "ffc87f335a0e5f389d21becc277a036d75e743b435808597fb0677c3597cc1aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/red_black_tree-d64aee314f31deb8
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::tree_set_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests red-black-tree
[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" "ffc87f335a0e5f389d21becc277a036d75e743b435808597fb0677c3597cc1aa"`
[INFO] running `"docker" "rm" "-f" "ffc87f335a0e5f389d21becc277a036d75e743b435808597fb0677c3597cc1aa"`
[INFO] [stdout] ffc87f335a0e5f389d21becc277a036d75e743b435808597fb0677c3597cc1aa