[INFO] fetching crate lfu_cache 1.2.1...
[INFO] testing lfu_cache-1.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lfu_cache 1.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lfu_cache 1.2.1 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 lfu_cache 1.2.1
[INFO] finished tweaking crates.io crate lfu_cache 1.2.1
[INFO] tweaked toml for crates.io crate lfu_cache 1.2.1 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1cfd3ec015339a6d136143e14d68dd4bf4793ed8cbaf162c9273bff5901990e
[INFO] running `Command { std: "docker" "start" "-a" "d1cfd3ec015339a6d136143e14d68dd4bf4793ed8cbaf162c9273bff5901990e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1cfd3ec015339a6d136143e14d68dd4bf4793ed8cbaf162c9273bff5901990e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1cfd3ec015339a6d136143e14d68dd4bf4793ed8cbaf162c9273bff5901990e", kill_on_drop: false }`
[INFO] [stdout] d1cfd3ec015339a6d136143e14d68dd4bf4793ed8cbaf162c9273bff5901990e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a7add6dbd740fd4f68cdc9b4d87d58c6ad0813da7366b939a7baa5cccd5e49cf
[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" "a7add6dbd740fd4f68cdc9b4d87d58c6ad0813da7366b939a7baa5cccd5e49cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfu_cache v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "a7add6dbd740fd4f68cdc9b4d87d58c6ad0813da7366b939a7baa5cccd5e49cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7add6dbd740fd4f68cdc9b4d87d58c6ad0813da7366b939a7baa5cccd5e49cf", kill_on_drop: false }`
[INFO] [stdout] a7add6dbd740fd4f68cdc9b4d87d58c6ad0813da7366b939a7baa5cccd5e49cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d8342929942e8d4820d2f548c5cdba11b06012cc1c36c9ff8da242ab42357093
[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" "d8342929942e8d4820d2f548c5cdba11b06012cc1c36c9ff8da242ab42357093", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lfu_cache v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "d8342929942e8d4820d2f548c5cdba11b06012cc1c36c9ff8da242ab42357093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8342929942e8d4820d2f548c5cdba11b06012cc1c36c9ff8da242ab42357093", kill_on_drop: false }`
[INFO] [stdout] d8342929942e8d4820d2f548c5cdba11b06012cc1c36c9ff8da242ab42357093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 79812f802aa580285f7885c4057fdc1cdbedbd9b4e21435937c0c72019202464
[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" "79812f802aa580285f7885c4057fdc1cdbedbd9b4e21435937c0c72019202464", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lfu_cache-63c27c1347a73276)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test lfu::bookkeeping::capacity_reports_internal_capacity ... ok
[INFO] [stdout] test lfu::bookkeeping::freq_list_multi_items ... ok
[INFO] [stdout] test lfu::bookkeeping::clear_is_ok ... ok
[INFO] [stdout] test lfu::frequency_list::init_front_empty ... ok
[INFO] [stdout] test lfu::frequency_list::init_front_non_empty ... ok
[INFO] [stdout] test lfu::bookkeeping::getting_one_element_has_constant_freq_list_size ... ok
[INFO] [stdout] test lfu::bookkeeping::unbounded_is_unbounded ... ok
[INFO] [stdout] test lfu::entry::new_constructs_dangling_entry_with_owner ... ok
[INFO] [stdout] test lfu::bookkeeping::freq_list_node_merges ... ok
[INFO] [stdout] test lfu::frequency_list::new_is_empty ... ok
[INFO] [stdout] test lfu::get::getting_is_ok_after_adding_other_value ... ok
[INFO] [stdout] test lfu::get::get_mut ... ok
[INFO] [stdout] test lfu::node::append_non_empty ... ok
[INFO] [stdout] test lfu::node::create_increment_next_non_empty ... ok
[INFO] [stdout] test lfu::get::bounded_alternating_values ... ok
[INFO] [stdout] test lfu::node::pop_single ... ok
[INFO] [stdout] test lfu::node::peek_non_empty ... ok
[INFO] [stdout] test lfu::node::append_empty ... ok
[INFO] [stdout] test lfu::node::peek_empty ... ok
[INFO] [stdout] test lfu::remove::remove_empty ... ok
[INFO] [stdout] test lfu::pop::pop_empty ... ok
[INFO] [stdout] test lfu::insert::reinsertion_of_same_key_resets_freq ... ok
[INFO] [stdout] test lfu::pop::pop ... ok
[INFO] [stdout] test lfu::node::create_increment_next_empty ... ok
[INFO] [stdout] test lfu::remove::remove_middle ... ok
[INFO] [stdout] test lfu::insert::insert_unbounded ... ok
[INFO] [stdout] test lfu::remove::remove_end ... ok
[INFO] [stdout] test lfu::node::pop_empty ... ok
[INFO] [stdout] test lfu::node::pop_non_empty ... ok
[INFO] [stdout] test lfu::insert::insert_returns_evicted ... ok
[INFO] [stdout] test lfu::insert::insert_bounded ... ok
[INFO] [stdout] test lfu::get::empty ... ok
[INFO] [stdout] test lfu::remove::remove_to_nonempty ... ok
[INFO] [stdout] test lfu::remove::remove_to_empty ... ok
[INFO] [stdout] test lfu::remove::remove_start ... ok
[INFO] [stdout] test timed_lfu::timed::non_expired_remains ... ok
[INFO] [stderr]    Doc-tests lfu_cache
[INFO] [stdout] test timed_lfu::timed::old_items_are_evicted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lfu.rs - lfu::LfuCache<Key,Value>::with_capacity (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79812f802aa580285f7885c4057fdc1cdbedbd9b4e21435937c0c72019202464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79812f802aa580285f7885c4057fdc1cdbedbd9b4e21435937c0c72019202464", kill_on_drop: false }`
[INFO] [stdout] 79812f802aa580285f7885c4057fdc1cdbedbd9b4e21435937c0c72019202464