[INFO] updating cached repository holmandw/synk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/holmandw/synk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/holmandw/synk" "work/ex/beta-1.37-6/sources/1.36.0/gh/holmandw/synk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/holmandw/synk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/holmandw/synk" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/holmandw/synk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/holmandw/synk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7d43c7ac2f060532538da242285c8440439f33a
[INFO] sha for GitHub repo holmandw/synk: a7d43c7ac2f060532538da242285c8440439f33a
[INFO] validating manifest of holmandw/synk 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 holmandw/synk 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 holmandw/synk
[INFO] finished frobbing holmandw/synk
[INFO] frobbed toml for holmandw/synk written to work/ex/beta-1.37-6/sources/1.36.0/gh/holmandw/synk/Cargo.toml
[INFO] started frobbing holmandw/synk
[INFO] finished frobbing holmandw/synk
[INFO] frobbed toml for holmandw/synk written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/holmandw/synk/Cargo.toml
[INFO] crate holmandw/synk 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 holmandw/synk 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/holmandw/synk:/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] 3df32b205a5791c215c14b372186a1d43d86c52a849151fc1eb52c20b0579293
[INFO] running `"docker" "start" "-a" "3df32b205a5791c215c14b372186a1d43d86c52a849151fc1eb52c20b0579293"`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "3df32b205a5791c215c14b372186a1d43d86c52a849151fc1eb52c20b0579293"`
[INFO] running `"docker" "rm" "-f" "3df32b205a5791c215c14b372186a1d43d86c52a849151fc1eb52c20b0579293"`
[INFO] [stdout] 3df32b205a5791c215c14b372186a1d43d86c52a849151fc1eb52c20b0579293
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/holmandw/synk:/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] b20c87475e56a58450c8314dca4b9026054bd9c8e6dc854b9f1661dc36cba483
[INFO] running `"docker" "start" "-a" "b20c87475e56a58450c8314dca4b9026054bd9c8e6dc854b9f1661dc36cba483"`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "b20c87475e56a58450c8314dca4b9026054bd9c8e6dc854b9f1661dc36cba483"`
[INFO] running `"docker" "rm" "-f" "b20c87475e56a58450c8314dca4b9026054bd9c8e6dc854b9f1661dc36cba483"`
[INFO] [stdout] b20c87475e56a58450c8314dca4b9026054bd9c8e6dc854b9f1661dc36cba483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/holmandw/synk:/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] 296320bbb8a43f15aec5b1ba145d8c3a1d51db0da881c25840b06b7cf1ea6be5
[INFO] running `"docker" "start" "-a" "296320bbb8a43f15aec5b1ba145d8c3a1d51db0da881c25840b06b7cf1ea6be5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synk-7e6fed2aaf5f0d2b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synk-7c00a19a35d583f2
[INFO] [stderr]    Doc-tests synk
[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] [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] [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" "296320bbb8a43f15aec5b1ba145d8c3a1d51db0da881c25840b06b7cf1ea6be5"`
[INFO] running `"docker" "rm" "-f" "296320bbb8a43f15aec5b1ba145d8c3a1d51db0da881c25840b06b7cf1ea6be5"`
[INFO] [stdout] 296320bbb8a43f15aec5b1ba145d8c3a1d51db0da881c25840b06b7cf1ea6be5