[INFO] updating cached repository emilk/drop-merge-sort
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emilk/drop-merge-sort
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emilk/drop-merge-sort" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/emilk/drop-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/emilk/drop-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emilk/drop-merge-sort" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/emilk/drop-merge-sort"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/emilk/drop-merge-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5805104710c40b2a083e57f7530dcaad3f3857c
[INFO] sha for GitHub repo emilk/drop-merge-sort: f5805104710c40b2a083e57f7530dcaad3f3857c
[INFO] validating manifest of emilk/drop-merge-sort on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emilk/drop-merge-sort on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emilk/drop-merge-sort
[INFO] finished frobbing emilk/drop-merge-sort
[INFO] frobbed toml for emilk/drop-merge-sort written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/emilk/drop-merge-sort/Cargo.toml
[INFO] started frobbing emilk/drop-merge-sort
[INFO] finished frobbing emilk/drop-merge-sort
[INFO] frobbed toml for emilk/drop-merge-sort written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/emilk/drop-merge-sort/Cargo.toml
[INFO] crate emilk/drop-merge-sort has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing emilk/drop-merge-sort against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/emilk/drop-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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 6f7cadd76a3f5f33ce0b59b950fd81c98e612a82069265cd131fe851b930a31c
[INFO] running `"docker" "start" "-a" "6f7cadd76a3f5f33ce0b59b950fd81c98e612a82069265cd131fe851b930a31c"`
[INFO] [stderr]    Compiling dmsort v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "6f7cadd76a3f5f33ce0b59b950fd81c98e612a82069265cd131fe851b930a31c"`
[INFO] running `"docker" "rm" "-f" "6f7cadd76a3f5f33ce0b59b950fd81c98e612a82069265cd131fe851b930a31c"`
[INFO] [stdout] 6f7cadd76a3f5f33ce0b59b950fd81c98e612a82069265cd131fe851b930a31c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/emilk/drop-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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9dfe93ee9a09df4acc8ac1ba0522669be2bc60704b511c8380281ac3bb557ee
[INFO] running `"docker" "start" "-a" "a9dfe93ee9a09df4acc8ac1ba0522669be2bc60704b511c8380281ac3bb557ee"`
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling dmsort v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `"docker" "inspect" "a9dfe93ee9a09df4acc8ac1ba0522669be2bc60704b511c8380281ac3bb557ee"`
[INFO] running `"docker" "rm" "-f" "a9dfe93ee9a09df4acc8ac1ba0522669be2bc60704b511c8380281ac3bb557ee"`
[INFO] [stdout] a9dfe93ee9a09df4acc8ac1ba0522669be2bc60704b511c8380281ac3bb557ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/emilk/drop-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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 34213a1a2e6fae809ea3641dcd6ce13d72d47740f54e55ab59d9d3f18c0ebd4a
[INFO] running `"docker" "start" "-a" "34213a1a2e6fae809ea3641dcd6ce13d72d47740f54e55ab59d9d3f18c0ebd4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/benchmark-a9f689ffc629e316
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test benchmarks ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tests-14de24f49b06b5ac
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_tests ... ok
[INFO] [stdout] test test_unwind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dmsort
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/dmsort.rs - dmsort::sort (line 374) ... ok
[INFO] [stdout] test src/dmsort.rs - dmsort::sort_by_key (line 360) ... ok
[INFO] [stdout] test src/dmsort.rs - dmsort::sort_by (line 347) ... ok
[INFO] [stdout] test src/lib.rs -  (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "34213a1a2e6fae809ea3641dcd6ce13d72d47740f54e55ab59d9d3f18c0ebd4a"`
[INFO] running `"docker" "rm" "-f" "34213a1a2e6fae809ea3641dcd6ce13d72d47740f54e55ab59d9d3f18c0ebd4a"`
[INFO] [stdout] 34213a1a2e6fae809ea3641dcd6ce13d72d47740f54e55ab59d9d3f18c0ebd4a