[INFO] fetching crate imbl 1.0.1...
[INFO] testing imbl-1.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate imbl 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imbl 1.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imbl 1.0.1
[INFO] finished tweaking crates.io crate imbl 1.0.1
[INFO] tweaked toml for crates.io crate imbl 1.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded arbitrary v1.1.0
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded metrohash v1.0.6
[INFO] [stderr]   Downloaded refpool v0.4.3
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded proptest-derive v0.3.0
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded quick-error v2.0.1
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 078fd7e364ccf73dfeca0385ffc0c30d2b4ca4d2874da2c8f0693863e45e5ec1
[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" "078fd7e364ccf73dfeca0385ffc0c30d2b4ca4d2874da2c8f0693863e45e5ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "078fd7e364ccf73dfeca0385ffc0c30d2b4ca4d2874da2c8f0693863e45e5ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078fd7e364ccf73dfeca0385ffc0c30d2b4ca4d2874da2c8f0693863e45e5ec1", kill_on_drop: false }`
[INFO] [stdout] 078fd7e364ccf73dfeca0385ffc0c30d2b4ca4d2874da2c8f0693863e45e5ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ac13d2741254121203050b6461d080a56e696fcf8a000da5cfa358ef2218ae7
[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" "7ac13d2741254121203050b6461d080a56e696fcf8a000da5cfa358ef2218ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling imbl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `Command { std: "docker" "inspect" "7ac13d2741254121203050b6461d080a56e696fcf8a000da5cfa358ef2218ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac13d2741254121203050b6461d080a56e696fcf8a000da5cfa358ef2218ae7", kill_on_drop: false }`
[INFO] [stdout] 7ac13d2741254121203050b6461d080a56e696fcf8a000da5cfa358ef2218ae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6bc45032aa4a4f24377f20d47ffcabf0d543cb444d4081795727d499cc4f2aa
[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" "e6bc45032aa4a4f24377f20d47ffcabf0d543cb444d4081795727d499cc4f2aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling metrohash v1.0.6
[INFO] [stderr]    Compiling pretty_assertions v0.7.2
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]    Compiling imbl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "e6bc45032aa4a4f24377f20d47ffcabf0d543cb444d4081795727d499cc4f2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bc45032aa4a4f24377f20d47ffcabf0d543cb444d4081795727d499cc4f2aa", kill_on_drop: false }`
[INFO] [stdout] e6bc45032aa4a4f24377f20d47ffcabf0d543cb444d4081795727d499cc4f2aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7bb08d40df52953157c4bec8ee6f1b06a0494acb222e8e6971aab0c5a66cc0b
[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" "a7bb08d40df52953157c4bec8ee6f1b06a0494acb222e8e6971aab0c5a66cc0b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imbl-cb3c1f01b8c170c5)
[INFO] [stdout] 
[INFO] [stdout] running 108 tests
[INFO] [stdout] test hash::map::test::proper_formatting ... ok
[INFO] [stdout] test hash::map::test::macro_allows_trailing_comma ... ok
[INFO] [stdout] test hash::map::test::match_string_keys_with_string_slices ... ok
[INFO] [stdout] test hash::map::test::remove_top_level_collisions ... ok
[INFO] [stdout] test hash::map::test::index_operator ... ok
[INFO] [stdout] test hash::map::test::entry_api ... ok
[INFO] [stdout] test hash::map::test::remove_failing ... ok
[INFO] [stdout] test hash::set::test::insert_failing ... ok
[INFO] [stdout] test hash::map::test::refpool_crash ... ok
[INFO] [stdout] test hash::set::test::issue_60_drain_iterator_memory_corruption ... ok
[INFO] [stdout] test hash::set::test::macro_allows_trailing_comma ... ok
[INFO] [stdout] test hash::map::test::from_iterator ... ok
[INFO] [stdout] test hash::map::test::exact_size_iterator ... ok
[INFO] [stdout] test hash::set::test::match_strings_with_string_slices ... ok
[INFO] [stdout] test hash::map::test::remove ... ok
[INFO] [stdout] test lib_test::get_in ... ok
[INFO] [stdout] test lib_test::update_in ... ok
[INFO] [stdout] test hash::map::test::iterate_over ... ok
[INFO] [stdout] test ord::map::test::debug_output ... ok
[INFO] [stdout] test ord::map::test::deletes_correctly ... ok
[INFO] [stdout] test ord::map::test::double_ended_iterator_2 ... ok
[INFO] [stdout] test ord::map::test::entry_api ... ok
[INFO] [stdout] test ord::map::test::double_ended_iterator_1 ... ok
[INFO] [stdout] test ord::map::test::equality2 ... ok
[INFO] [stdout] test hash::map::test::lookup ... ok
[INFO] [stdout] test hash::map::test::delete_and_reinsert ... 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::insert ... 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 ord::map::test::issue_124 ... ok
[INFO] [stdout] test hash::map::test::union ... ok
[INFO] [stdout] test ord::map::test::iterates_in_order ... ok
[INFO] [stdout] test hash::map::test::update_and_length ... ok
[INFO] [stdout] test hash::map::test::safe_mutation ... ok
[INFO] [stdout] test ord::map::test::match_string_keys_with_string_slices ... ok
[INFO] [stdout] test hash::map::test::without ... ok
[INFO] [stdout] test ord::map::test::delete_and_reinsert ... ok
[INFO] [stdout] test ord::map::test::exact_size_iterator ... ok
[INFO] [stdout] test ord::map::test::overwrite_values ... ok
[INFO] [stdout] test ord::map::test::ranged_iter ... ok
[INFO] [stdout] test ord::map::test::delete_values ... ok
[INFO] [stdout] test ord::map::test::from_iterator ... ok
[INFO] [stdout] test ord::map::test::order ... ok
[INFO] [stdout] test ord::map::test::equality ... ok
[INFO] [stdout] test ord::map::test::length ... ok
[INFO] [stdout] test ord::map::test::iterate_over ... ok
[INFO] [stdout] test ord::set::test::match_strings_with_string_slices ... ok
[INFO] [stdout] test ord::map::test::safe_mutation ... ok
[INFO] [stdout] test ord::set::test::ranged_iter ... ok
[INFO] [stdout] test ord::map::test::union ... ok
[INFO] [stdout] test ser::test::ser_hashset ... ok
[INFO] [stdout] test ord::map::test::lookup ... ok
[INFO] [stdout] test ser::test::ser_hashmap ... ok
[INFO] [stdout] test ser::test::ser_vector ... ok
[INFO] [stdout] test ser::test::ser_ordmap ... ok
[INFO] [stdout] test ser::test::ser_ordset ... ok
[INFO] [stdout] test ord::set::test::long_ranged_iter ... ok
[INFO] [stdout] test ord::map::test::insert_and_length ... ok
[INFO] [stdout] test tests::ordset::comprehensive ... ok
[INFO] [stdout] test ord::map::test::insert_mut ... ok
[INFO] [stdout] test tests::vector::test_inserts ... ok
[INFO] [stdout] test ord::map::test::remove_mut ... ok
[INFO] [stdout] test hash::set::test::proptest_a_set ... ok
[INFO] [stdout] test ord::map::test::diff_all_values ... ok
[INFO] [stdout] test vector::test::collect_crash ... ok
[INFO] [stdout] test hash::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 ord::map::test::proptest_works ... ok
[INFO] [stdout] test vector::test::append ... ok
[INFO] [stdout] test vector::test::issue_67 ... ok
[INFO] [stdout] test vector::test::issue_70 ... ok
[INFO] [stdout] test vector::test::issue_74_simple_size ... ok
[INFO] [stdout] test vector::test::issue_77 ... ok
[INFO] [stdout] test ord::set::test::proptest_a_set ... ok
[INFO] [stdout] test vector::test::issue_55_fwd ... ok
[INFO] [stdout] test vector::test::issue_55_back ... ok
[INFO] [stdout] test vector::test::large_vector_focus ... ok
[INFO] [stdout] test vector::test::macro_allows_trailing_comma ... ok
[INFO] [stdout] test ord::map::test::remove ... 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::pop_back_mut ... ok
[INFO] [stdout] test vector::test::pop_front_mut ... ok
[INFO] [stdout] test vector::test::large_vector_focus_mut ... ok
[INFO] [stdout] test vector::test::issue_105 ... ok
[INFO] [stdout] test vector::test::push_back_mut ... ok
[INFO] [stdout] test vector::test::push_front_mut ... ok
[INFO] [stdout] test vector::test::split ... ok
[INFO] [stdout] test tests::vector::comprehensive ... ok
[INFO] [stdout] test vector::rayon::test::par_iter ... ok
[INFO] [stdout] test vector::test::focus ... ok
[INFO] [stdout] test vector::rayon::test::par_mut_iter ... ok
[INFO] [stdout] test vector::test::focus_mut_split ... ok
[INFO] [stdout] test vector::test::chunks ... ok
[INFO] [stdout] test ord::map::test::range_iter_big ... ok
[INFO] [stdout] test vector::test::iter_mut ... ok
[INFO] [stdout] test vector::test::chunks_mut ... ok
[INFO] [stdout] test sort::test::test_quicksort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 108 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 53.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imbl
[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 --crate-name imbl --test /opt/rustwide/workdir/./src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitmaps=/opt/rustwide/target/debug/deps/libbitmaps-a4251635c5657006.rlib --extern imbl=/opt/rustwide/target/debug/deps/libimbl-9c61c88632f19f4a.rlib --extern metrohash=/opt/rustwide/target/debug/deps/libmetrohash-0293b62870139ca8.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-4f79767f3becb4c6.rlib --extern proptest=/opt/rustwide/target/debug/deps/libproptest-8671a07218951eab.rlib --extern proptest_derive=/opt/rustwide/target/debug/deps/libproptest_derive-fe1f5f68ff2a8309.so --extern rand=/opt/rustwide/target/debug/deps/librand-3fb95e29f1ff8ced.rlib --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-27b6e785c077f039.rlib --extern rand_xoshiro=/opt/rustwide/target/debug/deps/librand_xoshiro-2ee2148fc5533b1c.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-833563c7d184b136.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-75d1aef85f509bd3.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1aaede3659088810.rlib --extern sized_chunks=/opt/rustwide/target/debug/deps/libsized_chunks-8700918c3ba989e7.rlib --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-62b1a5cbf56a9f5f.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-8501016244ebc8cc.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a7bb08d40df52953157c4bec8ee6f1b06a0494acb222e8e6971aab0c5a66cc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bb08d40df52953157c4bec8ee6f1b06a0494acb222e8e6971aab0c5a66cc0b", kill_on_drop: false }`
[INFO] [stdout] a7bb08d40df52953157c4bec8ee6f1b06a0494acb222e8e6971aab0c5a66cc0b