[INFO] crate min-max-heap 1.2.2 is already in cache
[INFO] extracting crate min-max-heap 1.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/min-max-heap/1.2.2
[INFO] extracting crate min-max-heap 1.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/min-max-heap/1.2.2
[INFO] validating manifest of min-max-heap-1.2.2 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 min-max-heap-1.2.2 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 min-max-heap-1.2.2
[INFO] finished frobbing min-max-heap-1.2.2
[INFO] frobbed toml for min-max-heap-1.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/min-max-heap/1.2.2/Cargo.toml
[INFO] started frobbing min-max-heap-1.2.2
[INFO] finished frobbing min-max-heap-1.2.2
[INFO] frobbed toml for min-max-heap-1.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/min-max-heap/1.2.2/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 min-max-heap-1.2.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/min-max-heap/1.2.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3ebb9e77a8432a39392712af34fda666a31b40a2dc5d7f1dd37cf7bba9f333bf
[INFO] running `"docker" "start" "-a" "3ebb9e77a8432a39392712af34fda666a31b40a2dc5d7f1dd37cf7bba9f333bf"`
[INFO] [stderr]    Compiling min-max-heap v1.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "3ebb9e77a8432a39392712af34fda666a31b40a2dc5d7f1dd37cf7bba9f333bf"`
[INFO] running `"docker" "rm" "-f" "3ebb9e77a8432a39392712af34fda666a31b40a2dc5d7f1dd37cf7bba9f333bf"`
[INFO] [stdout] 3ebb9e77a8432a39392712af34fda666a31b40a2dc5d7f1dd37cf7bba9f333bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/min-max-heap/1.2.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] da27a86ebe5b6d572fc27dd8bceed22e1d467c2472fb5480bc16e893c69a61d1
[INFO] running `"docker" "start" "-a" "da27a86ebe5b6d572fc27dd8bceed22e1d467c2472fb5480bc16e893c69a61d1"`
[INFO] [stderr]    Compiling min-max-heap v1.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `FromIterator` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:659:13
[INFO] [stderr]     |
[INFO] [stderr] 589 |     use super::*;
[INFO] [stderr]     |         -------- the item `FromIterator` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 659 |         use std::iter::FromIterator;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "da27a86ebe5b6d572fc27dd8bceed22e1d467c2472fb5480bc16e893c69a61d1"`
[INFO] running `"docker" "rm" "-f" "da27a86ebe5b6d572fc27dd8bceed22e1d467c2472fb5480bc16e893c69a61d1"`
[INFO] [stdout] da27a86ebe5b6d572fc27dd8bceed22e1d467c2472fb5480bc16e893c69a61d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/min-max-heap/1.2.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 22f20b9c045afeb9c4cf365542423d512f7237f66668c1759151084325b98a00
[INFO] running `"docker" "start" "-a" "22f20b9c045afeb9c4cf365542423d512f7237f66668c1759151084325b98a00"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/min_max_heap-36810c64a5d508e5
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test index::test::t_child1 ... ok
[INFO] [stdout] test index::test::t_grandchild1 ... ok
[INFO] [stdout] test hole::test::hole ... ok
[INFO] [stdout] test index::test::t_child2 ... ok
[INFO] [stdout] test index::test::t_grandchild2 ... ok
[INFO] [stdout] test index::test::t_grandchild3 ... ok
[INFO] [stdout] test index::test::t_has_grandparent ... ok
[INFO] [stdout] test index::test::t_grandchild4 ... ok
[INFO] [stdout] test index::test::t_has_parent ... ok
[INFO] [stdout] test index::test::t_parent ... ok
[INFO] [stdout] test tests::drain_asc ... ok
[INFO] [stdout] test index::test::t_is_min_level ... ok
[INFO] [stdout] test tests::push_pop_max ... ok
[INFO] [stdout] test tests::example ... ok
[INFO] [stdout] test tests::replace_max ... ok
[INFO] [stdout] test tests::random_vectors ... ok
[INFO] [stdout] test tests::from_vector ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fake_heap-af7a6fbb3a8d123a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/random-d1dc6e471a28e270
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test prop_usize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests min-max-heap
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "22f20b9c045afeb9c4cf365542423d512f7237f66668c1759151084325b98a00"`
[INFO] running `"docker" "rm" "-f" "22f20b9c045afeb9c4cf365542423d512f7237f66668c1759151084325b98a00"`
[INFO] [stdout] 22f20b9c045afeb9c4cf365542423d512f7237f66668c1759151084325b98a00