[INFO] crate binomial-heap 0.2.0 is already in cache
[INFO] extracting crate binomial-heap 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/binomial-heap/0.2.0
[INFO] extracting crate binomial-heap 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/binomial-heap/0.2.0
[INFO] validating manifest of binomial-heap-0.2.0 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 binomial-heap-0.2.0 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 binomial-heap-0.2.0
[INFO] finished frobbing binomial-heap-0.2.0
[INFO] frobbed toml for binomial-heap-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/binomial-heap/0.2.0/Cargo.toml
[INFO] started frobbing binomial-heap-0.2.0
[INFO] finished frobbing binomial-heap-0.2.0
[INFO] frobbed toml for binomial-heap-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/binomial-heap/0.2.0/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] testing binomial-heap-0.2.0 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-1/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/binomial-heap/0.2.0:/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] 1f50ccfe26e4a5f9bb6147599894a0c13b7161abbf471ad9a7390cfb657ceaa6
[INFO] running `"docker" "start" "-a" "1f50ccfe26e4a5f9bb6147599894a0c13b7161abbf471ad9a7390cfb657ceaa6"`
[INFO] [stderr]    Compiling binomial-heap v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "1f50ccfe26e4a5f9bb6147599894a0c13b7161abbf471ad9a7390cfb657ceaa6"`
[INFO] running `"docker" "rm" "-f" "1f50ccfe26e4a5f9bb6147599894a0c13b7161abbf471ad9a7390cfb657ceaa6"`
[INFO] [stdout] 1f50ccfe26e4a5f9bb6147599894a0c13b7161abbf471ad9a7390cfb657ceaa6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/binomial-heap/0.2.0:/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] 73159840247bb043c10fe35def303f9bf04f4ca1e5c68f0988d0b5f79a524742
[INFO] running `"docker" "start" "-a" "73159840247bb043c10fe35def303f9bf04f4ca1e5c68f0988d0b5f79a524742"`
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling binomial-heap v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `"docker" "inspect" "73159840247bb043c10fe35def303f9bf04f4ca1e5c68f0988d0b5f79a524742"`
[INFO] running `"docker" "rm" "-f" "73159840247bb043c10fe35def303f9bf04f4ca1e5c68f0988d0b5f79a524742"`
[INFO] [stdout] 73159840247bb043c10fe35def303f9bf04f4ca1e5c68f0988d0b5f79a524742
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/binomial-heap/0.2.0:/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] 08c3759066f9a1d8f2f459fc4f66c931c2f141c50a6fc6fdcd28090358c9f42a
[INFO] running `"docker" "start" "-a" "08c3759066f9a1d8f2f459fc4f66c931c2f141c50a6fc6fdcd28090358c9f42a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test-0073008fb187a9fd
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_into_iter ... ok
[INFO] [stdout] test test_append ... ok
[INFO] [stdout] test test_drain ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_consistent_with_binary_heap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests binomial-heap
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - BinomialHeap<T>::replace (line 116) ... ok
[INFO] [stdout] test src/lib.rs - BinomialHeap<T>::push_pop (line 99) ... ok
[INFO] [stdout] test src/lib.rs - BinomialHeap<T>::append (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08c3759066f9a1d8f2f459fc4f66c931c2f141c50a6fc6fdcd28090358c9f42a"`
[INFO] running `"docker" "rm" "-f" "08c3759066f9a1d8f2f459fc4f66c931c2f141c50a6fc6fdcd28090358c9f42a"`
[INFO] [stdout] 08c3759066f9a1d8f2f459fc4f66c931c2f141c50a6fc6fdcd28090358c9f42a