[INFO] crate merging-iterator 1.1.0 is already in cache
[INFO] testing merging-iterator-1.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate merging-iterator 1.1.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate merging-iterator 1.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate merging-iterator 1.1.0
[INFO] finished tweaking crates.io crate merging-iterator 1.1.0
[INFO] tweaked toml for crates.io crate merging-iterator 1.1.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e359830c43c74d3732b6fb9a9dbb55fe5717c9212006b4514233cbbf0678c6ee
[INFO] running `"docker" "start" "-a" "e359830c43c74d3732b6fb9a9dbb55fe5717c9212006b4514233cbbf0678c6ee"`
[INFO] [stderr]    Compiling merging-iterator v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "e359830c43c74d3732b6fb9a9dbb55fe5717c9212006b4514233cbbf0678c6ee"`
[INFO] running `"docker" "rm" "-f" "e359830c43c74d3732b6fb9a9dbb55fe5717c9212006b4514233cbbf0678c6ee"`
[INFO] [stdout] e359830c43c74d3732b6fb9a9dbb55fe5717c9212006b4514233cbbf0678c6ee
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] a2f13279b8988a931894c1db7b0d762e4bc55ce230a63a2be5506001f81d4919
[INFO] running `"docker" "start" "-a" "a2f13279b8988a931894c1db7b0d762e4bc55ce230a63a2be5506001f81d4919"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling merging-iterator v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `"docker" "inspect" "a2f13279b8988a931894c1db7b0d762e4bc55ce230a63a2be5506001f81d4919"`
[INFO] running `"docker" "rm" "-f" "a2f13279b8988a931894c1db7b0d762e4bc55ce230a63a2be5506001f81d4919"`
[INFO] [stdout] a2f13279b8988a931894c1db7b0d762e4bc55ce230a63a2be5506001f81d4919
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 93cd56fdd8f99eb0f9e91d635fe6e21554b4b193fe661c04c03a5296371ae53a
[INFO] running `"docker" "start" "-a" "93cd56fdd8f99eb0f9e91d635fe6e21554b4b193fe661c04c03a5296371ae53a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merging_iterator-5cd4df5783949d0d
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_multiple_iterators ... ok
[INFO] [stdout] test tests::test_merge_sorted_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>::new (line 31) ... ok
[INFO] [stdout] test src/lib.rs - MergeIter<L, R, T>::with_custom_ordering (line 61) ... 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" "93cd56fdd8f99eb0f9e91d635fe6e21554b4b193fe661c04c03a5296371ae53a"`
[INFO] running `"docker" "rm" "-f" "93cd56fdd8f99eb0f9e91d635fe6e21554b4b193fe661c04c03a5296371ae53a"`
[INFO] [stdout] 93cd56fdd8f99eb0f9e91d635fe6e21554b4b193fe661c04c03a5296371ae53a