[INFO] fetching crate im 15.0.0...
[INFO] testing im-15.0.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate im 15.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate im 15.0.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate im 15.0.0
[INFO] finished tweaking crates.io crate im 15.0.0
[INFO] tweaked toml for crates.io crate im 15.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412771d57ee61010d7ba4f1bdc414f6656ad0c589c599ec9e823b4e8f7a73e6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "412771d57ee61010d7ba4f1bdc414f6656ad0c589c599ec9e823b4e8f7a73e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412771d57ee61010d7ba4f1bdc414f6656ad0c589c599ec9e823b4e8f7a73e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412771d57ee61010d7ba4f1bdc414f6656ad0c589c599ec9e823b4e8f7a73e6f", kill_on_drop: false }`
[INFO] [stdout] 412771d57ee61010d7ba4f1bdc414f6656ad0c589c599ec9e823b4e8f7a73e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e559026177caa83af37a61f725db99018e1645372fa5fa49694f2f88f26d358f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e559026177caa83af37a61f725db99018e1645372fa5fa49694f2f88f26d358f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling im v15.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 | #![cfg_attr(has_specialisation, feature(specialization))]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/vector/mod.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             replace(self, other);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.39s
[INFO] running `Command { std: "docker" "inspect" "e559026177caa83af37a61f725db99018e1645372fa5fa49694f2f88f26d358f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e559026177caa83af37a61f725db99018e1645372fa5fa49694f2f88f26d358f", kill_on_drop: false }`
[INFO] [stdout] e559026177caa83af37a61f725db99018e1645372fa5fa49694f2f88f26d358f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fefc290819a59a8d1aed92292b53481477dd7d4dd445587b03abaf2dd6d33d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1fefc290819a59a8d1aed92292b53481477dd7d4dd445587b03abaf2dd6d33d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling metrohash v1.0.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 | #![cfg_attr(has_specialisation, feature(specialization))]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/vector/mod.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             replace(self, other);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]    Compiling im v15.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 | #![cfg_attr(has_specialisation, feature(specialization))]
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/vector/mod.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             replace(self, other);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "1fefc290819a59a8d1aed92292b53481477dd7d4dd445587b03abaf2dd6d33d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fefc290819a59a8d1aed92292b53481477dd7d4dd445587b03abaf2dd6d33d8", kill_on_drop: false }`
[INFO] [stdout] 1fefc290819a59a8d1aed92292b53481477dd7d4dd445587b03abaf2dd6d33d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1bd917685084ed0905ee7e5feb83a468ae774cc3b6fa75206f908b5f4b50f7d
[INFO] running `Command { std: "docker" "start" "-a" "a1bd917685084ed0905ee7e5feb83a468ae774cc3b6fa75206f908b5f4b50f7d", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stderr]    --> src/lib.rs:341:41
[INFO] [stderr]     |
[INFO] [stderr] 341 | #![cfg_attr(has_specialisation, feature(specialization))]
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/vector/mod.rs:986:13
[INFO] [stderr]     |
[INFO] [stderr] 986 |             replace(self, other);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stderr]    --> src/lib.rs:341:41
[INFO] [stderr]     |
[INFO] [stderr] 341 | #![cfg_attr(has_specialisation, feature(specialization))]
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/vector/mod.rs:986:13
[INFO] [stderr]     |
[INFO] [stderr] 986 |             replace(self, other);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/im-5556accfc4981ed6
[INFO] [stdout] 
[INFO] [stdout] running 104 tests
[INFO] [stdout] test hash::map::test::entry_api ... ok
[INFO] [stdout] test hash::map::test::index_operator ... ok
[INFO] [stdout] test hash::map::test::match_string_keys_with_string_slices ... ok
[INFO] [stdout] test hash::map::test::proper_formatting ... ok
[INFO] [stdout] test hash::map::test::refpool_crash ... ok
[INFO] [stdout] test hash::map::test::remove_failing ... ok
[INFO] [stdout] test hash::map::test::remove_top_level_collisions ... ok
[INFO] [stdout] test hash::map::test::macro_allows_trailing_comma ... ok
[INFO] [stdout] test hash::set::test::macro_allows_trailing_comma ... ok
[INFO] [stdout] test hash::set::test::issue_60_drain_iterator_memory_corruption ... ok
[INFO] [stdout] test hash::set::test::match_strings_with_string_slices ... ok
[INFO] [stdout] test lib_test::get_in ... ok
[INFO] [stdout] test lib_test::update_in ... ok
[INFO] [stdout] test hash::set::test::insert_failing ... ok
[INFO] [stdout] test ord::map::test::debug_output ... ok
[INFO] [stdout] test hash::map::test::from_iterator ... ok
[INFO] [stdout] test ord::map::test::deletes_correctly ... ok
[INFO] [stdout] test hash::map::test::exact_size_iterator ... ok
[INFO] [stdout] test ord::map::test::double_ended_iterator_1 ... ok
[INFO] [stdout] test ord::map::test::double_ended_iterator_2 ... ok
[INFO] [stdout] test ord::map::test::entry_api ... ok
[INFO] [stdout] test hash::map::test::update_and_length ... ok
[INFO] [stdout] test ord::map::test::equality2 ... ok
[INFO] [stdout] test hash::map::test::iterate_over ... ok
[INFO] [stdout] test hash::map::test::lookup ... ok
[INFO] [stdout] test hash::map::test::remove ... ok
[INFO] [stdout] test ord::map::test::index_operator ... ok
[INFO] [stdout] test hash::map::test::large_map ... ok
[INFO] [stdout] test hash::map::test::equality ... ok
[INFO] [stdout] test ord::map::test::insert_remove_single_mut ... ok
[INFO] [stdout] test ord::map::test::into_iter ... ok
[INFO] [stdout] test hash::map::test::delete_and_reinsert ... ok
[INFO] [stdout] test ord::map::test::iterates_in_order ... ok
[INFO] [stdout] test hash::map::test::insert ... ok
[INFO] [stdout] test hash::map::test::without ... ok
[INFO] [stdout] test ord::map::test::match_string_keys_with_string_slices ... ok
[INFO] [stdout] test hash::map::test::safe_mutation ... ok
[INFO] [stdout] test ord::map::test::from_iterator ... ok
[INFO] [stdout] test ord::map::test::delete_values ... ok
[INFO] [stdout] test ord::map::test::ranged_iter ... ok
[INFO] [stdout] test ord::map::test::delete_and_reinsert ... ok
[INFO] [stdout] test ord::map::test::iterate_over ... ok
[INFO] [stdout] test ord::map::test::overwrite_values ... ok
[INFO] [stdout] test ord::map::test::exact_size_iterator ... ok
[INFO] [stdout] test ord::map::test::order ... ok
[INFO] [stdout] test ord::set::test::match_strings_with_string_slices ... ok
[INFO] [stdout] test ord::map::test::equality ... ok
[INFO] [stdout] test ord::set::test::ranged_iter ... ok
[INFO] [stdout] test ser::test::ser_hashmap ... ok
[INFO] [stdout] test ser::test::ser_hashset ... ok
[INFO] [stdout] test ord::map::test::length ... ok
[INFO] [stdout] test ser::test::ser_ordmap ... ok
[INFO] [stdout] test ser::test::ser_vector ... ok
[INFO] [stdout] test ser::test::ser_ordset ... ok
[INFO] [stdout] test ord::map::test::safe_mutation ... ok
[INFO] [stdout] test ord::set::test::long_ranged_iter ... ok
[INFO] [stdout] test ord::map::test::lookup ... ok
[INFO] [stdout] test ord::map::test::insert_and_length ... ok
[INFO] [stdout] test hash::map::test::proptest_works ... ok
[INFO] [stdout] test tests::vector::test_inserts ... ok
[INFO] [stdout] test hash::set::test::proptest_a_set ... ok
[INFO] [stdout] test ord::map::test::remove_mut ... ok
[INFO] [stdout] test vector::test::append ... ok
[INFO] [stdout] test vector::test::collect_crash ... ok
[INFO] [stdout] test ord::map::test::proptest_works ... ok
[INFO] [stdout] test ord::map::test::remove_alien ... ok
[INFO] [stdout] test vector::test::indexing ... ok
[INFO] [stdout] test tests::hashset::comprehensive ... ok
[INFO] [stdout] test vector::test::issue_107_split_off_causes_overflow ... ok
[INFO] [stdout] test vector::test::issue_116 ... ok
[INFO] [stdout] test vector::test::issue_131 ... ok
[INFO] [stdout] test vector::test::issue_55_append ... ok
[INFO] [stdout] test tests::ordset::comprehensive ... ok
[INFO] [stdout] test ord::map::test::diff_all_values ... ok
[INFO] [stdout] test ord::set::test::proptest_a_set ... ok
[INFO] [stdout] test vector::test::issue_70 ... ok
[INFO] [stdout] test vector::rayon::test::par_iter ... ok
[INFO] [stdout] test vector::test::issue_77 ... ok
[INFO] [stdout] test vector::test::issue_74_simple_size ... ok
[INFO] [stdout] test tests::vector::comprehensive ... ok
[INFO] [stdout] test ord::map::test::insert_mut ... ok
[INFO] [stdout] test vector::test::large_vector_focus ... ok
[INFO] [stdout] test vector::test::macro_allows_trailing_comma ... ok
[INFO] [stdout] test vector::test::iter ... ok
[INFO] [stdout] test ord::map::test::insert_and_delete_values ... ok
[INFO] [stdout] test vector::test::ptr_eq ... ok
[INFO] [stdout] test vector::test::large_vector_focus_mut ... ok
[INFO] [stdout] test ord::map::test::remove ... ok
[INFO] [stdout] test vector::test::pop_back_mut ... ok
[INFO] [stdout] test vector::test::pop_front_mut ... ok
[INFO] [stdout] test vector::test::issue_55_back ... ok
[INFO] [stdout] test vector::test::push_front_mut ... ok
[INFO] [stdout] test vector::test::push_back_mut ... ok
[INFO] [stdout] test vector::test::issue_55_fwd ... ok
[INFO] [stdout] test vector::test::issue_67 ... ok
[INFO] [stdout] test vector::test::split ... ok
[INFO] [stdout] test vector::rayon::test::par_mut_iter ... ok
[INFO] [stdout] test vector::test::issue_105 ... ok
[INFO] [stdout] test vector::test::focus ... ok
[INFO] [stdout] test vector::test::chunks_mut ... ok
[INFO] [stdout] test vector::test::chunks ... ok
[INFO] [stdout] test vector::test::iter_mut ... ok
[INFO] [stdout] test vector::test::focus_mut_split ... ok
[INFO] [stderr]    Doc-tests im
[INFO] [stdout] test sort::test::test_quicksort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 104 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stderr]    --> /opt/rustwide/workdir/./src/lib.rs:341:41
[INFO] [stderr]     |
[INFO] [stderr] 341 | #![cfg_attr(has_specialisation, feature(specialization))]
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 115 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/./src/lib.rs --crate-name im -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg threadsafe --cfg has_specialisation --extern bitmaps=/opt/rustwide/target/debug/deps/libbitmaps-dd11b3ac6643a34d.rlib --extern im=/opt/rustwide/target/debug/deps/libim-43fe2ecd29ef9eed.rlib --extern metrohash=/opt/rustwide/target/debug/deps/libmetrohash-c730c52164a585af.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-ac630a11d0995818.rlib --extern proptest=/opt/rustwide/target/debug/deps/libproptest-461b3dff12b0a3f1.rlib --extern proptest_derive=/opt/rustwide/target/debug/deps/libproptest_derive-3c72e5f71f583ca7.so --extern rand=/opt/rustwide/target/debug/deps/librand-73f5cd2886df7113.rlib --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-7b6a7e598661465d.rlib --extern rand_xoshiro=/opt/rustwide/target/debug/deps/librand_xoshiro-f102e306cff45fc7.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-5858c60110a9dda0.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-9b3bcded3e5a9462.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-acc08f1967fb9b99.rlib --extern sized_chunks=/opt/rustwide/target/debug/deps/libsized_chunks-8da80ae8e831f33f.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-f33bb6ebae8da122.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a1bd917685084ed0905ee7e5feb83a468ae774cc3b6fa75206f908b5f4b50f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bd917685084ed0905ee7e5feb83a468ae774cc3b6fa75206f908b5f4b50f7d", kill_on_drop: false }`
[INFO] [stdout] a1bd917685084ed0905ee7e5feb83a468ae774cc3b6fa75206f908b5f4b50f7d