[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-1.38-1/sources/1.37.0/gh/holmandw/synk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/holmandw/synk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/holmandw/synk" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/holmandw/synk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of holmandw/synk 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 holmandw/synk
[INFO] finished frobbing holmandw/synk
[INFO] frobbed toml for holmandw/synk written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 holmandw/synk 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2329e7ffa6db4c848c635d1067991c9598562b6e205e999231decf3263f7076e
[INFO] running `"docker" "start" "-a" "2329e7ffa6db4c848c635d1067991c9598562b6e205e999231decf3263f7076e"`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "2329e7ffa6db4c848c635d1067991c9598562b6e205e999231decf3263f7076e"`
[INFO] running `"docker" "rm" "-f" "2329e7ffa6db4c848c635d1067991c9598562b6e205e999231decf3263f7076e"`
[INFO] [stdout] 2329e7ffa6db4c848c635d1067991c9598562b6e205e999231decf3263f7076e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d56a4c1d9c6a31f5c6c65a7e7045d72d913cabc391afe703fb4bf4c5a7b2eeb9
[INFO] running `"docker" "start" "-a" "d56a4c1d9c6a31f5c6c65a7e7045d72d913cabc391afe703fb4bf4c5a7b2eeb9"`
[INFO] [stderr]    Compiling synk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "d56a4c1d9c6a31f5c6c65a7e7045d72d913cabc391afe703fb4bf4c5a7b2eeb9"`
[INFO] running `"docker" "rm" "-f" "d56a4c1d9c6a31f5c6c65a7e7045d72d913cabc391afe703fb4bf4c5a7b2eeb9"`
[INFO] [stdout] d56a4c1d9c6a31f5c6c65a7e7045d72d913cabc391afe703fb4bf4c5a7b2eeb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7de889d66ad2bb76209b40b2b26e794fc82f5c323ae7e201b334206f3385f94f
[INFO] running `"docker" "start" "-a" "7de889d66ad2bb76209b40b2b26e794fc82f5c323ae7e201b334206f3385f94f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synk-68205d3d70bd00c3
[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] [stderr]      Running /opt/crater/target/debug/deps/synk-e33524c8df4bf08c
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests synk
[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" "7de889d66ad2bb76209b40b2b26e794fc82f5c323ae7e201b334206f3385f94f"`
[INFO] running `"docker" "rm" "-f" "7de889d66ad2bb76209b40b2b26e794fc82f5c323ae7e201b334206f3385f94f"`
[INFO] [stdout] 7de889d66ad2bb76209b40b2b26e794fc82f5c323ae7e201b334206f3385f94f