[INFO] updating cached repository wilkes/churn-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wilkes/churn-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wilkes/churn-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/wilkes/churn-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wilkes/churn-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wilkes/churn-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilkes/churn-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilkes/churn-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd6b43066462807d2a3149cf3bef3048c77e50d1
[INFO] sha for GitHub repo wilkes/churn-rs: cd6b43066462807d2a3149cf3bef3048c77e50d1
[INFO] validating manifest of wilkes/churn-rs 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 wilkes/churn-rs 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 wilkes/churn-rs
[INFO] finished frobbing wilkes/churn-rs
[INFO] frobbed toml for wilkes/churn-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/wilkes/churn-rs/Cargo.toml
[INFO] started frobbing wilkes/churn-rs
[INFO] finished frobbing wilkes/churn-rs
[INFO] frobbed toml for wilkes/churn-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wilkes/churn-rs/Cargo.toml
[INFO] crate wilkes/churn-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wilkes/churn-rs 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilkes/churn-rs:/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] bfe9def3251326b0dc3bf637cdbcf12278e6811a96ee1752db8cf40c982a4c3f
[INFO] running `"docker" "start" "-a" "bfe9def3251326b0dc3bf637cdbcf12278e6811a96ee1752db8cf40c982a4c3f"`
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling openssl-sys v0.9.24
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.4.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]    Compiling churn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 26s
[INFO] running `"docker" "inspect" "bfe9def3251326b0dc3bf637cdbcf12278e6811a96ee1752db8cf40c982a4c3f"`
[INFO] running `"docker" "rm" "-f" "bfe9def3251326b0dc3bf637cdbcf12278e6811a96ee1752db8cf40c982a4c3f"`
[INFO] [stdout] bfe9def3251326b0dc3bf637cdbcf12278e6811a96ee1752db8cf40c982a4c3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilkes/churn-rs:/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] 6abaa3c92db043d3cf2e61bfc1e26fca345c6cd9ad0a7062f08d749a81f84bbd
[INFO] running `"docker" "start" "-a" "6abaa3c92db043d3cf2e61bfc1e26fca345c6cd9ad0a7062f08d749a81f84bbd"`
[INFO] [stderr]    Compiling churn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "6abaa3c92db043d3cf2e61bfc1e26fca345c6cd9ad0a7062f08d749a81f84bbd"`
[INFO] running `"docker" "rm" "-f" "6abaa3c92db043d3cf2e61bfc1e26fca345c6cd9ad0a7062f08d749a81f84bbd"`
[INFO] [stdout] 6abaa3c92db043d3cf2e61bfc1e26fca345c6cd9ad0a7062f08d749a81f84bbd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/wilkes/churn-rs:/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] 69a472eafdf454e8d5022b7b54fb86e570c5174d18cd2d94f21cf858b319ec3e
[INFO] running `"docker" "start" "-a" "69a472eafdf454e8d5022b7b54fb86e570c5174d18cd2d94f21cf858b319ec3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/churn-793543edca940615
[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" "69a472eafdf454e8d5022b7b54fb86e570c5174d18cd2d94f21cf858b319ec3e"`
[INFO] running `"docker" "rm" "-f" "69a472eafdf454e8d5022b7b54fb86e570c5174d18cd2d94f21cf858b319ec3e"`
[INFO] [stdout] 69a472eafdf454e8d5022b7b54fb86e570c5174d18cd2d94f21cf858b319ec3e