[INFO] crate merging-iterator 1.1.0 is already in cache
[INFO] extracting crate merging-iterator 1.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/merging-iterator/1.1.0
[INFO] extracting crate merging-iterator 1.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/merging-iterator/1.1.0
[INFO] validating manifest of merging-iterator-1.1.0 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 merging-iterator-1.1.0 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/merging-iterator/1.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing merging-iterator-1.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bf705b94b4faf49cce554c4c4ab4fea66ab692568dcb2f71f562c5bed50c63ce
[INFO] running `"docker" "start" "-a" "bf705b94b4faf49cce554c4c4ab4fea66ab692568dcb2f71f562c5bed50c63ce"`
[INFO] [stderr]    Compiling merging-iterator v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "bf705b94b4faf49cce554c4c4ab4fea66ab692568dcb2f71f562c5bed50c63ce"`
[INFO] running `"docker" "rm" "-f" "bf705b94b4faf49cce554c4c4ab4fea66ab692568dcb2f71f562c5bed50c63ce"`
[INFO] [stdout] bf705b94b4faf49cce554c4c4ab4fea66ab692568dcb2f71f562c5bed50c63ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 822f31cdd38265e90c7859c2c0541643fe363f13b81545c999d975ff2e6c8b38
[INFO] running `"docker" "start" "-a" "822f31cdd38265e90c7859c2c0541643fe363f13b81545c999d975ff2e6c8b38"`
[INFO] [stderr]    Compiling merging-iterator v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "822f31cdd38265e90c7859c2c0541643fe363f13b81545c999d975ff2e6c8b38"`
[INFO] running `"docker" "rm" "-f" "822f31cdd38265e90c7859c2c0541643fe363f13b81545c999d975ff2e6c8b38"`
[INFO] [stdout] 822f31cdd38265e90c7859c2c0541643fe363f13b81545c999d975ff2e6c8b38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9eddd9080af34ca3e1401ec7ea642d340819a475cd6e22246876d310ce1a7ecc
[INFO] running `"docker" "start" "-a" "9eddd9080af34ca3e1401ec7ea642d340819a475cd6e22246876d310ce1a7ecc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merging_iterator-5e1fea283218b929
[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 ... ok
[INFO] [stdout] test tests::test_is_sorted_property_for_multiple_iterators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merging-iterator
[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" "9eddd9080af34ca3e1401ec7ea642d340819a475cd6e22246876d310ce1a7ecc"`
[INFO] running `"docker" "rm" "-f" "9eddd9080af34ca3e1401ec7ea642d340819a475cd6e22246876d310ce1a7ecc"`
[INFO] [stdout] 9eddd9080af34ca3e1401ec7ea642d340819a475cd6e22246876d310ce1a7ecc