[INFO] updating cached repository mkpankov/much-connection-very-10k
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkpankov/much-connection-very-10k
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/much-connection-very-10k" "work/ex/beta-1.37-6/sources/1.36.0/gh/mkpankov/much-connection-very-10k"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mkpankov/much-connection-very-10k'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/much-connection-very-10k" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkpankov/much-connection-very-10k"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkpankov/much-connection-very-10k'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 278f7eb97e48ba093e867437477f4a0590c5a024
[INFO] sha for GitHub repo mkpankov/much-connection-very-10k: 278f7eb97e48ba093e867437477f4a0590c5a024
[INFO] validating manifest of mkpankov/much-connection-very-10k 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 mkpankov/much-connection-very-10k 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 mkpankov/much-connection-very-10k
[INFO] finished frobbing mkpankov/much-connection-very-10k
[INFO] frobbed toml for mkpankov/much-connection-very-10k written to work/ex/beta-1.37-6/sources/1.36.0/gh/mkpankov/much-connection-very-10k/Cargo.toml
[INFO] started frobbing mkpankov/much-connection-very-10k
[INFO] finished frobbing mkpankov/much-connection-very-10k
[INFO] frobbed toml for mkpankov/much-connection-very-10k written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mkpankov/much-connection-very-10k/Cargo.toml
[INFO] crate mkpankov/much-connection-very-10k 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mkpankov/much-connection-very-10k 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-0/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/mkpankov/much-connection-very-10k:/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] 2f5c68c437d74b765fdb7fbb90593b8bf3710ff0f385775b1db9ce1041cf9539
[INFO] running `"docker" "start" "-a" "2f5c68c437d74b765fdb7fbb90593b8bf3710ff0f385775b1db9ce1041cf9539"`
[INFO] [stderr]    Compiling much-connection-very-10k v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "2f5c68c437d74b765fdb7fbb90593b8bf3710ff0f385775b1db9ce1041cf9539"`
[INFO] running `"docker" "rm" "-f" "2f5c68c437d74b765fdb7fbb90593b8bf3710ff0f385775b1db9ce1041cf9539"`
[INFO] [stdout] 2f5c68c437d74b765fdb7fbb90593b8bf3710ff0f385775b1db9ce1041cf9539
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/mkpankov/much-connection-very-10k:/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] 74372ed225f38e55982c6d4b284f6ae197b4d910db7ce2aefcbf5e583e33affd
[INFO] running `"docker" "start" "-a" "74372ed225f38e55982c6d4b284f6ae197b4d910db7ce2aefcbf5e583e33affd"`
[INFO] [stderr]    Compiling much-connection-very-10k v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "74372ed225f38e55982c6d4b284f6ae197b4d910db7ce2aefcbf5e583e33affd"`
[INFO] running `"docker" "rm" "-f" "74372ed225f38e55982c6d4b284f6ae197b4d910db7ce2aefcbf5e583e33affd"`
[INFO] [stdout] 74372ed225f38e55982c6d4b284f6ae197b4d910db7ce2aefcbf5e583e33affd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/mkpankov/much-connection-very-10k:/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] 4f54f053ea52133f8cbf6a45a9a2680b50bfce2c643c10e6fddedca43b6a3c4d
[INFO] running `"docker" "start" "-a" "4f54f053ea52133f8cbf6a45a9a2680b50bfce2c643c10e6fddedca43b6a3c4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/much_connection_very_10k-cb65f71d6e9e7d16
[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" "4f54f053ea52133f8cbf6a45a9a2680b50bfce2c643c10e6fddedca43b6a3c4d"`
[INFO] running `"docker" "rm" "-f" "4f54f053ea52133f8cbf6a45a9a2680b50bfce2c643c10e6fddedca43b6a3c4d"`
[INFO] [stdout] 4f54f053ea52133f8cbf6a45a9a2680b50bfce2c643c10e6fddedca43b6a3c4d