[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-1.38-1/sources/1.37.0/reg/min-max-heap/1.2.2
[INFO] extracting crate min-max-heap 1.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/min-max-heap/1.2.2
[INFO] validating manifest of min-max-heap-1.2.2 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 min-max-heap-1.2.2 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/min-max-heap/1.2.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing min-max-heap-1.2.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 32cbc489eca401fb24dc923f27d9e589dd39e1af4906f1fe6e8eb20e4e91e9e0
[INFO] running `"docker" "start" "-a" "32cbc489eca401fb24dc923f27d9e589dd39e1af4906f1fe6e8eb20e4e91e9e0"`
[INFO] [stderr]    Compiling min-max-heap v1.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "32cbc489eca401fb24dc923f27d9e589dd39e1af4906f1fe6e8eb20e4e91e9e0"`
[INFO] running `"docker" "rm" "-f" "32cbc489eca401fb24dc923f27d9e589dd39e1af4906f1fe6e8eb20e4e91e9e0"`
[INFO] [stdout] 32cbc489eca401fb24dc923f27d9e589dd39e1af4906f1fe6e8eb20e4e91e9e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58cf271efd506f26af627e85f87ad9fd7644bf14ba8fdbe96a43e6bbdc8c793a
[INFO] running `"docker" "start" "-a" "58cf271efd506f26af627e85f87ad9fd7644bf14ba8fdbe96a43e6bbdc8c793a"`
[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] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> tests/random.rs:41:15
[INFO] [stderr]    |
[INFO] [stderr] 41 |             01...30 => Push(element()),
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> tests/random.rs:42:15
[INFO] [stderr]    |
[INFO] [stderr] 42 |             31...40 => PopMin,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> tests/random.rs:43:15
[INFO] [stderr]    |
[INFO] [stderr] 43 |             41...50 => PopMax,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> tests/random.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 |             51...60 => PushPopMin(element()),
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> tests/random.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |             61...70 => PushPopMax(element()),
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> tests/random.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |             71...80 => ReplaceMin(element()),
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> tests/random.rs:47:15
[INFO] [stderr]    |
[INFO] [stderr] 47 |             81...90 => ReplaceMax(element()),
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/random.rs:60:29
[INFO] [stderr]    |
[INFO] [stderr] 60 |     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 2.13s
[INFO] running `"docker" "inspect" "58cf271efd506f26af627e85f87ad9fd7644bf14ba8fdbe96a43e6bbdc8c793a"`
[INFO] running `"docker" "rm" "-f" "58cf271efd506f26af627e85f87ad9fd7644bf14ba8fdbe96a43e6bbdc8c793a"`
[INFO] [stdout] 58cf271efd506f26af627e85f87ad9fd7644bf14ba8fdbe96a43e6bbdc8c793a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 75058d1125572703e8e35d93c936f9df777ff2de59396defb124cea18ca4faec
[INFO] running `"docker" "start" "-a" "75058d1125572703e8e35d93c936f9df777ff2de59396defb124cea18ca4faec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/min_max_heap-24c4caaa6a4f744d
[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 index::test::t_grandchild2 ... ok
[INFO] [stdout] test hole::test::hole ... ok
[INFO] [stdout] test index::test::t_grandchild3 ... ok
[INFO] [stdout] test index::test::t_child2 ... ok
[INFO] [stdout] test index::test::t_has_grandparent ... 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 tests::example ... ok
[INFO] [stdout] test tests::replace_max ... ok
[INFO] [stdout] test index::test::t_is_min_level ... ok
[INFO] [stdout] test index::test::t_grandchild4 ... ok
[INFO] [stdout] test tests::push_pop_max ... ok
[INFO] [stdout] test tests::from_vector ... ok
[INFO] [stdout] test tests::random_vectors ... 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-389d7f2cd24803a7
[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-2478035a5ffcd7ff
[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" "75058d1125572703e8e35d93c936f9df777ff2de59396defb124cea18ca4faec"`
[INFO] running `"docker" "rm" "-f" "75058d1125572703e8e35d93c936f9df777ff2de59396defb124cea18ca4faec"`
[INFO] [stdout] 75058d1125572703e8e35d93c936f9df777ff2de59396defb124cea18ca4faec