[INFO] updating cached repository tac44/syncopation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tac44/syncopation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tac44/syncopation" "work/ex/beta-1.38-1/sources/1.37.0/gh/tac44/syncopation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tac44/syncopation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tac44/syncopation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tac44/syncopation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tac44/syncopation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da7de785f1a29e443357fee0dd2b3a289824e26b
[INFO] sha for GitHub repo tac44/syncopation: da7de785f1a29e443357fee0dd2b3a289824e26b
[INFO] validating manifest of tac44/syncopation 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 tac44/syncopation 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 tac44/syncopation
[INFO] finished frobbing tac44/syncopation
[INFO] frobbed toml for tac44/syncopation written to work/ex/beta-1.38-1/sources/1.37.0/gh/tac44/syncopation/Cargo.toml
[INFO] started frobbing tac44/syncopation
[INFO] finished frobbing tac44/syncopation
[INFO] frobbed toml for tac44/syncopation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tac44/syncopation/Cargo.toml
[INFO] crate tac44/syncopation 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 tac44/syncopation 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tac44/syncopation:/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] 535b8e8c4c2b7535ed50da6a8028095dd59a9c81c65513927c2432a6ee814430
[INFO] running `"docker" "start" "-a" "535b8e8c4c2b7535ed50da6a8028095dd59a9c81c65513927c2432a6ee814430"`
[INFO] [stderr]    Compiling libz-sys v1.0.23
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling ssh2 v0.3.3
[INFO] [stderr]    Compiling syncopation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.80s
[INFO] running `"docker" "inspect" "535b8e8c4c2b7535ed50da6a8028095dd59a9c81c65513927c2432a6ee814430"`
[INFO] running `"docker" "rm" "-f" "535b8e8c4c2b7535ed50da6a8028095dd59a9c81c65513927c2432a6ee814430"`
[INFO] [stdout] 535b8e8c4c2b7535ed50da6a8028095dd59a9c81c65513927c2432a6ee814430
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tac44/syncopation:/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] ebb0b14cd3a7fa63af3dba071b4a936080aba4abd26e61d289f1508d3e0b3fbd
[INFO] running `"docker" "start" "-a" "ebb0b14cd3a7fa63af3dba071b4a936080aba4abd26e61d289f1508d3e0b3fbd"`
[INFO] [stderr]    Compiling syncopation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "ebb0b14cd3a7fa63af3dba071b4a936080aba4abd26e61d289f1508d3e0b3fbd"`
[INFO] running `"docker" "rm" "-f" "ebb0b14cd3a7fa63af3dba071b4a936080aba4abd26e61d289f1508d3e0b3fbd"`
[INFO] [stdout] ebb0b14cd3a7fa63af3dba071b4a936080aba4abd26e61d289f1508d3e0b3fbd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tac44/syncopation:/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] 98dd33c33dcd766ecbddf5d25ea36396c477ea412505d950979d184b6e8b9e4e
[INFO] running `"docker" "start" "-a" "98dd33c33dcd766ecbddf5d25ea36396c477ea412505d950979d184b6e8b9e4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syncopation-2d5178541656bf37
[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" "98dd33c33dcd766ecbddf5d25ea36396c477ea412505d950979d184b6e8b9e4e"`
[INFO] running `"docker" "rm" "-f" "98dd33c33dcd766ecbddf5d25ea36396c477ea412505d950979d184b6e8b9e4e"`
[INFO] [stdout] 98dd33c33dcd766ecbddf5d25ea36396c477ea412505d950979d184b6e8b9e4e