[INFO] updating cached repository tubberd/rknock
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tubberd/rknock
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tubberd/rknock" "work/ex/beta-1.38-1/sources/1.37.0/gh/tubberd/rknock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tubberd/rknock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tubberd/rknock" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tubberd/rknock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tubberd/rknock'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 501130a8c423c1367fa6e6459f3deeba3a6a93e7
[INFO] sha for GitHub repo tubberd/rknock: 501130a8c423c1367fa6e6459f3deeba3a6a93e7
[INFO] validating manifest of tubberd/rknock 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 tubberd/rknock 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 tubberd/rknock
[INFO] finished frobbing tubberd/rknock
[INFO] frobbed toml for tubberd/rknock written to work/ex/beta-1.38-1/sources/1.37.0/gh/tubberd/rknock/Cargo.toml
[INFO] started frobbing tubberd/rknock
[INFO] finished frobbing tubberd/rknock
[INFO] frobbed toml for tubberd/rknock written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tubberd/rknock/Cargo.toml
[INFO] crate tubberd/rknock 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 tubberd/rknock 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/tubberd/rknock:/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] cd21b658946d32dd619bae7c18d7695b00cb02c63a02f63fada9b3debc514f25
[INFO] running `"docker" "start" "-a" "cd21b658946d32dd619bae7c18d7695b00cb02c63a02f63fada9b3debc514f25"`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dns-lookup v1.0.0
[INFO] [stderr]    Compiling rknock v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `"docker" "inspect" "cd21b658946d32dd619bae7c18d7695b00cb02c63a02f63fada9b3debc514f25"`
[INFO] running `"docker" "rm" "-f" "cd21b658946d32dd619bae7c18d7695b00cb02c63a02f63fada9b3debc514f25"`
[INFO] [stdout] cd21b658946d32dd619bae7c18d7695b00cb02c63a02f63fada9b3debc514f25
[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/tubberd/rknock:/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] 8571232d588607bf797d7b79aa091dfbf1ddc1a20451f3e7b8214c63e03c9404
[INFO] running `"docker" "start" "-a" "8571232d588607bf797d7b79aa091dfbf1ddc1a20451f3e7b8214c63e03c9404"`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]    Compiling rknock v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "8571232d588607bf797d7b79aa091dfbf1ddc1a20451f3e7b8214c63e03c9404"`
[INFO] running `"docker" "rm" "-f" "8571232d588607bf797d7b79aa091dfbf1ddc1a20451f3e7b8214c63e03c9404"`
[INFO] [stdout] 8571232d588607bf797d7b79aa091dfbf1ddc1a20451f3e7b8214c63e03c9404
[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/tubberd/rknock:/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] 95d4495de8ec07b906be69958c8ce05e52429501fcaae05a6f4a8ebdbc99151f
[INFO] running `"docker" "start" "-a" "95d4495de8ec07b906be69958c8ce05e52429501fcaae05a6f4a8ebdbc99151f"`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rknock-e35404f4070d87a5
[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" "95d4495de8ec07b906be69958c8ce05e52429501fcaae05a6f4a8ebdbc99151f"`
[INFO] running `"docker" "rm" "-f" "95d4495de8ec07b906be69958c8ce05e52429501fcaae05a6f4a8ebdbc99151f"`
[INFO] [stdout] 95d4495de8ec07b906be69958c8ce05e52429501fcaae05a6f4a8ebdbc99151f