[INFO] updating cached repository alexanderbez/rust-merge-sort
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexanderbez/rust-merge-sort
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexanderbez/rust-merge-sort" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexanderbez/rust-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexanderbez/rust-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexanderbez/rust-merge-sort" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexanderbez/rust-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexanderbez/rust-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62b3042c972cc5b472e91df147a6991c7f93c138
[INFO] sha for GitHub repo alexanderbez/rust-merge-sort: 62b3042c972cc5b472e91df147a6991c7f93c138
[INFO] validating manifest of alexanderbez/rust-merge-sort 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 alexanderbez/rust-merge-sort 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 alexanderbez/rust-merge-sort
[INFO] finished frobbing alexanderbez/rust-merge-sort
[INFO] frobbed toml for alexanderbez/rust-merge-sort written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexanderbez/rust-merge-sort/Cargo.toml
[INFO] started frobbing alexanderbez/rust-merge-sort
[INFO] finished frobbing alexanderbez/rust-merge-sort
[INFO] frobbed toml for alexanderbez/rust-merge-sort written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexanderbez/rust-merge-sort/Cargo.toml
[INFO] crate alexanderbez/rust-merge-sort 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 alexanderbez/rust-merge-sort 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/alexanderbez/rust-merge-sort:/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] cfc42498865464ec43538e3ea26c981840d49fe6080457294a02d21fcedbd8d9
[INFO] running `"docker" "start" "-a" "cfc42498865464ec43538e3ea26c981840d49fe6080457294a02d21fcedbd8d9"`
[INFO] [stderr]    Compiling rust-merge-sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "cfc42498865464ec43538e3ea26c981840d49fe6080457294a02d21fcedbd8d9"`
[INFO] running `"docker" "rm" "-f" "cfc42498865464ec43538e3ea26c981840d49fe6080457294a02d21fcedbd8d9"`
[INFO] [stdout] cfc42498865464ec43538e3ea26c981840d49fe6080457294a02d21fcedbd8d9
[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/alexanderbez/rust-merge-sort:/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] a6eeec8989d69319e5281e18e68f0dc46b843d2c3a0adce62c18f3e5296f8a61
[INFO] running `"docker" "start" "-a" "a6eeec8989d69319e5281e18e68f0dc46b843d2c3a0adce62c18f3e5296f8a61"`
[INFO] [stderr]    Compiling rust-merge-sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "a6eeec8989d69319e5281e18e68f0dc46b843d2c3a0adce62c18f3e5296f8a61"`
[INFO] running `"docker" "rm" "-f" "a6eeec8989d69319e5281e18e68f0dc46b843d2c3a0adce62c18f3e5296f8a61"`
[INFO] [stdout] a6eeec8989d69319e5281e18e68f0dc46b843d2c3a0adce62c18f3e5296f8a61
[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/alexanderbez/rust-merge-sort:/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] c5cfe3ab12800b7bae3453279901fc22ad285438694a814fce2c74fee2b57243
[INFO] running `"docker" "start" "-a" "c5cfe3ab12800b7bae3453279901fc22ad285438694a814fce2c74fee2b57243"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_merge_sort-a42f8645704defbe
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::merge_copy_nothing ... ok
[INFO] [stdout] test tests::merge_basic ... ok
[INFO] [stdout] test tests::merge_copy_basic ... ok
[INFO] [stdout] test tests::merge_duplicates ... ok
[INFO] [stdout] test tests::merge_copy_selection ... ok
[INFO] [stdout] test tests::merge_split_duplicates ... ok
[INFO] [stdout] test tests::merge_empty ... ok
[INFO] [stdout] test tests::merge_split_basic ... ok
[INFO] [stdout] test tests::merge_split_selection ... ok
[INFO] [stdout] test tests::sort_basic ... ok
[INFO] [stdout] test tests::merge_split_empty ... ok
[INFO] [stdout] test tests::sort_duplicates ... ok
[INFO] [stdout] test tests::sort_emtpy ... ok
[INFO] [stdout] test tests::sort_negative ... ok
[INFO] [stdout] test tests::merge_copy_out_of_bound ... ok
[INFO] [stdout] test tests::merge_smaller_output ... ok
[INFO] [stdout] test tests::merge_out_of_bound ... ok
[INFO] [stdout] test tests::merge_split_smaller_out ... ok
[INFO] [stdout] test tests::merge_split_out_of_bound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-merge-sort
[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" "c5cfe3ab12800b7bae3453279901fc22ad285438694a814fce2c74fee2b57243"`
[INFO] running `"docker" "rm" "-f" "c5cfe3ab12800b7bae3453279901fc22ad285438694a814fce2c74fee2b57243"`
[INFO] [stdout] c5cfe3ab12800b7bae3453279901fc22ad285438694a814fce2c74fee2b57243