[INFO] updating cached repository buntine/rust-smart-pointers-cow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/buntine/rust-smart-pointers-cow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/buntine/rust-smart-pointers-cow" "work/ex/beta-1.38-1/sources/1.37.0/gh/buntine/rust-smart-pointers-cow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/buntine/rust-smart-pointers-cow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/buntine/rust-smart-pointers-cow" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buntine/rust-smart-pointers-cow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buntine/rust-smart-pointers-cow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17ac1f11b17a1daf1b5d876439845a09acc61ee4
[INFO] sha for GitHub repo buntine/rust-smart-pointers-cow: 17ac1f11b17a1daf1b5d876439845a09acc61ee4
[INFO] validating manifest of buntine/rust-smart-pointers-cow 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 buntine/rust-smart-pointers-cow 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 buntine/rust-smart-pointers-cow
[INFO] finished frobbing buntine/rust-smart-pointers-cow
[INFO] frobbed toml for buntine/rust-smart-pointers-cow written to work/ex/beta-1.38-1/sources/1.37.0/gh/buntine/rust-smart-pointers-cow/Cargo.toml
[INFO] started frobbing buntine/rust-smart-pointers-cow
[INFO] finished frobbing buntine/rust-smart-pointers-cow
[INFO] frobbed toml for buntine/rust-smart-pointers-cow written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buntine/rust-smart-pointers-cow/Cargo.toml
[INFO] crate buntine/rust-smart-pointers-cow 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 buntine/rust-smart-pointers-cow against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buntine/rust-smart-pointers-cow:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7d0431b2c4d553f9bfb76584a703a048502fc9a8aa35970a1f5fd11175ae1d47
[INFO] running `"docker" "start" "-a" "7d0431b2c4d553f9bfb76584a703a048502fc9a8aa35970a1f5fd11175ae1d47"`
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "7d0431b2c4d553f9bfb76584a703a048502fc9a8aa35970a1f5fd11175ae1d47"`
[INFO] running `"docker" "rm" "-f" "7d0431b2c4d553f9bfb76584a703a048502fc9a8aa35970a1f5fd11175ae1d47"`
[INFO] [stdout] 7d0431b2c4d553f9bfb76584a703a048502fc9a8aa35970a1f5fd11175ae1d47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buntine/rust-smart-pointers-cow:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 605f982c851770d07561798b8d846d4c8d2d57d6150b7d54fc1aec97ed1fd330
[INFO] running `"docker" "start" "-a" "605f982c851770d07561798b8d846d4c8d2d57d6150b7d54fc1aec97ed1fd330"`
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "605f982c851770d07561798b8d846d4c8d2d57d6150b7d54fc1aec97ed1fd330"`
[INFO] running `"docker" "rm" "-f" "605f982c851770d07561798b8d846d4c8d2d57d6150b7d54fc1aec97ed1fd330"`
[INFO] [stdout] 605f982c851770d07561798b8d846d4c8d2d57d6150b7d54fc1aec97ed1fd330
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/buntine/rust-smart-pointers-cow:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0b1005ffd12dbd1545f0e426bcf727a0db2873d1e5556c5b15e9ada37017b1d3
[INFO] running `"docker" "start" "-a" "0b1005ffd12dbd1545f0e426bcf727a0db2873d1e5556c5b15e9ada37017b1d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cow-c13e7ce3660a2593
[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" "0b1005ffd12dbd1545f0e426bcf727a0db2873d1e5556c5b15e9ada37017b1d3"`
[INFO] running `"docker" "rm" "-f" "0b1005ffd12dbd1545f0e426bcf727a0db2873d1e5556c5b15e9ada37017b1d3"`
[INFO] [stdout] 0b1005ffd12dbd1545f0e426bcf727a0db2873d1e5556c5b15e9ada37017b1d3