[INFO] crate merging-iterator 1.1.0 is already in cache
[INFO] extracting crate merging-iterator 1.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/merging-iterator/1.1.0
[INFO] extracting crate merging-iterator 1.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merging-iterator/1.1.0
[INFO] validating manifest of merging-iterator-1.1.0 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 merging-iterator-1.1.0 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 merging-iterator-1.1.0
[INFO] finished frobbing merging-iterator-1.1.0
[INFO] frobbed toml for merging-iterator-1.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/merging-iterator/1.1.0/Cargo.toml
[INFO] started frobbing merging-iterator-1.1.0
[INFO] finished frobbing merging-iterator-1.1.0
[INFO] frobbed toml for merging-iterator-1.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/merging-iterator/1.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 merging-iterator-1.1.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/merging-iterator/1.1.0:/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] 956d004c6f88b66e20157e002f1adb80d7687202edb2b9bd9b2918e4b065d1fb
[INFO] running `"docker" "start" "-a" "956d004c6f88b66e20157e002f1adb80d7687202edb2b9bd9b2918e4b065d1fb"`
[INFO] [stderr]    Compiling merging-iterator v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "956d004c6f88b66e20157e002f1adb80d7687202edb2b9bd9b2918e4b065d1fb"`
[INFO] running `"docker" "rm" "-f" "956d004c6f88b66e20157e002f1adb80d7687202edb2b9bd9b2918e4b065d1fb"`
[INFO] [stdout] 956d004c6f88b66e20157e002f1adb80d7687202edb2b9bd9b2918e4b065d1fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/merging-iterator/1.1.0:/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] 3c5af03de02bd0c54d31023e2d3a6a27185e19e4f20bfbdad99bd4d662f03aa4
[INFO] running `"docker" "start" "-a" "3c5af03de02bd0c54d31023e2d3a6a27185e19e4f20bfbdad99bd4d662f03aa4"`
[INFO] [stderr]    Compiling merging-iterator v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "3c5af03de02bd0c54d31023e2d3a6a27185e19e4f20bfbdad99bd4d662f03aa4"`
[INFO] running `"docker" "rm" "-f" "3c5af03de02bd0c54d31023e2d3a6a27185e19e4f20bfbdad99bd4d662f03aa4"`
[INFO] [stdout] 3c5af03de02bd0c54d31023e2d3a6a27185e19e4f20bfbdad99bd4d662f03aa4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/merging-iterator/1.1.0:/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] be00b6b8861e0afe1fa5b65e34969ceb160668285dde5e9b846d1447c952e6a1
[INFO] running `"docker" "start" "-a" "be00b6b8861e0afe1fa5b65e34969ceb160668285dde5e9b846d1447c952e6a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merging_iterator-db0290a9c3a968cc
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_merge_sorted_iterators ... ok
[INFO] [stdout] test tests::test_multiple_iterators ... ok
[INFO] [stdout] test tests::test_is_sorted_property_for_multiple_iterators ... ok
[INFO] [stdout] test tests::test_is_sorted_property ... ok
[INFO] [stderr]    Doc-tests merging-iterator
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MergeIter<L, R, T>::with_custom_ordering (line 61) ... ok
[INFO] [stdout] test src/lib.rs - MergeIter<L, R, T>::new (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "be00b6b8861e0afe1fa5b65e34969ceb160668285dde5e9b846d1447c952e6a1"`
[INFO] running `"docker" "rm" "-f" "be00b6b8861e0afe1fa5b65e34969ceb160668285dde5e9b846d1447c952e6a1"`
[INFO] [stdout] be00b6b8861e0afe1fa5b65e34969ceb160668285dde5e9b846d1447c952e6a1