[INFO] updating cached repository connorkuehl/rust-merge-sort
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/connorkuehl/rust-merge-sort
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/connorkuehl/rust-merge-sort" "work/ex/beta-1.37-6/sources/1.36.0/gh/connorkuehl/rust-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/connorkuehl/rust-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/connorkuehl/rust-merge-sort" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/connorkuehl/rust-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/connorkuehl/rust-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc86b59c4390886d9a3c460c6e98cc56d0c5d0b0
[INFO] sha for GitHub repo connorkuehl/rust-merge-sort: fc86b59c4390886d9a3c460c6e98cc56d0c5d0b0
[INFO] validating manifest of connorkuehl/rust-merge-sort 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 connorkuehl/rust-merge-sort 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 connorkuehl/rust-merge-sort
[INFO] finished frobbing connorkuehl/rust-merge-sort
[INFO] frobbed toml for connorkuehl/rust-merge-sort written to work/ex/beta-1.37-6/sources/1.36.0/gh/connorkuehl/rust-merge-sort/Cargo.toml
[INFO] started frobbing connorkuehl/rust-merge-sort
[INFO] finished frobbing connorkuehl/rust-merge-sort
[INFO] frobbed toml for connorkuehl/rust-merge-sort written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/connorkuehl/rust-merge-sort/Cargo.toml
[INFO] crate connorkuehl/rust-merge-sort 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing connorkuehl/rust-merge-sort against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/connorkuehl/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5e2e7cb6ad8baea09f01eb400984b3ebdde97dd69664abf034e02ee7e95b2060
[INFO] running `"docker" "start" "-a" "5e2e7cb6ad8baea09f01eb400984b3ebdde97dd69664abf034e02ee7e95b2060"`
[INFO] [stderr]    Compiling merge_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "5e2e7cb6ad8baea09f01eb400984b3ebdde97dd69664abf034e02ee7e95b2060"`
[INFO] running `"docker" "rm" "-f" "5e2e7cb6ad8baea09f01eb400984b3ebdde97dd69664abf034e02ee7e95b2060"`
[INFO] [stdout] 5e2e7cb6ad8baea09f01eb400984b3ebdde97dd69664abf034e02ee7e95b2060
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/connorkuehl/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5388c19ec25e4456f5b7bd19b5293c8b4b94c90a9e0ed068aeb93674504b9cd
[INFO] running `"docker" "start" "-a" "d5388c19ec25e4456f5b7bd19b5293c8b4b94c90a9e0ed068aeb93674504b9cd"`
[INFO] [stderr]    Compiling merge_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "d5388c19ec25e4456f5b7bd19b5293c8b4b94c90a9e0ed068aeb93674504b9cd"`
[INFO] running `"docker" "rm" "-f" "d5388c19ec25e4456f5b7bd19b5293c8b4b94c90a9e0ed068aeb93674504b9cd"`
[INFO] [stdout] d5388c19ec25e4456f5b7bd19b5293c8b4b94c90a9e0ed068aeb93674504b9cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/connorkuehl/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f33cf6706df438262f825bed24ef0562fc557358bd305f52ce997b5efc5fa09f
[INFO] running `"docker" "start" "-a" "f33cf6706df438262f825bed24ef0562fc557358bd305f52ce997b5efc5fa09f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merge_sort-4672eef978f5750e
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_already_sorted ... ok
[INFO] [stdout] test tests::test_duplicates ... ok
[INFO] [stdout] test tests::test_unsorted ... ok
[INFO] [stdout] test tests::test_reverse_sorted ... ok
[INFO] [stdout] test tests::test_partially_sorted ... ok
[INFO] [stdout] test tests::test_one ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_odd_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests 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" "f33cf6706df438262f825bed24ef0562fc557358bd305f52ce997b5efc5fa09f"`
[INFO] running `"docker" "rm" "-f" "f33cf6706df438262f825bed24ef0562fc557358bd305f52ce997b5efc5fa09f"`
[INFO] [stdout] f33cf6706df438262f825bed24ef0562fc557358bd305f52ce997b5efc5fa09f