[INFO] fetching crate smallbitset 0.5.1...
[INFO] testing smallbitset-0.5.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate smallbitset 0.5.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate smallbitset 0.5.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smallbitset 0.5.1
[INFO] finished tweaking crates.io crate smallbitset 0.5.1
[INFO] tweaked toml for crates.io crate smallbitset 0.5.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bdbae11218feba49e7fddcd8b6cd5cdb564d29a3304b960037fddc30200cdcb
[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" "2bdbae11218feba49e7fddcd8b6cd5cdb564d29a3304b960037fddc30200cdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bdbae11218feba49e7fddcd8b6cd5cdb564d29a3304b960037fddc30200cdcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdbae11218feba49e7fddcd8b6cd5cdb564d29a3304b960037fddc30200cdcb", kill_on_drop: false }`
[INFO] [stdout] 2bdbae11218feba49e7fddcd8b6cd5cdb564d29a3304b960037fddc30200cdcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1460cd1c1acfbf6d35776b58c70e579a52d4174ef4f95fce09dafb508e5621
[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" "9b1460cd1c1acfbf6d35776b58c70e579a52d4174ef4f95fce09dafb508e5621", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallbitset v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "9b1460cd1c1acfbf6d35776b58c70e579a52d4174ef4f95fce09dafb508e5621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1460cd1c1acfbf6d35776b58c70e579a52d4174ef4f95fce09dafb508e5621", kill_on_drop: false }`
[INFO] [stdout] 9b1460cd1c1acfbf6d35776b58c70e579a52d4174ef4f95fce09dafb508e5621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] d56fa88a6a412536aa778aa9cf8e873966e4c6f3b2ae41351f219ef4b16becaa
[INFO] running `Command { std: "docker" "start" "-a" "d56fa88a6a412536aa778aa9cf8e873966e4c6f3b2ae41351f219ef4b16becaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallbitset v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "d56fa88a6a412536aa778aa9cf8e873966e4c6f3b2ae41351f219ef4b16becaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56fa88a6a412536aa778aa9cf8e873966e4c6f3b2ae41351f219ef4b16becaa", kill_on_drop: false }`
[INFO] [stdout] d56fa88a6a412536aa778aa9cf8e873966e4c6f3b2ae41351f219ef4b16becaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49f7eee63a31982e5e317e7621d444cdc3ef19893a27819e862b4f459e878495
[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" "49f7eee63a31982e5e317e7621d444cdc3ef19893a27819e862b4f459e878495", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/smallbitset-c4aef19578a0e543)
[INFO] [stdout] running 199 tests
[INFO] [stdout] test custom::tests_multiple_blocks::diff_removes_all_existing_item ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::diff_removes_existing_item ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::emptyset_iter_count ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::emptyset_len ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::fullset_complement ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::fullset_iter_count ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::fullset_len ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::remove_contains ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::singleton_complement ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::singleton_contains_one_single_item ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::singleton_is_not_empty ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::singleton_iter_count ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::test_display_empty ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::test_display_multi ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::test_display_singleton ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::test_iter ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::test_union ... ok
[INFO] [stdout] test custom::tests_one_block::diff_leaves_non_existing_items ... ok
[INFO] [stdout] test custom::tests_one_block::diff_removes_all_existing_item ... ok
[INFO] [stdout] test custom::tests_one_block::diff_removes_existing_item ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::test_into_iter ... ok
[INFO] [stdout] test custom::tests_one_block::emptyset_complement ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::test_inter ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::emptyset_contains_no_item ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::singleton_len ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::fullset_contains_all_items ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::emptyset_complement ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::emptyset_is_empty ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::diff_leaves_non_existing_items ... ok
[INFO] [stdout] test custom::tests_one_block::emptyset_is_empty ... ok
[INFO] [stdout] test custom::tests_one_block::emptyset_contains_no_item ... ok
[INFO] [stdout] test custom::tests_one_block::emptyset_len ... ok
[INFO] [stdout] test custom::tests_one_block::emptyset_iter_count ... ok
[INFO] [stdout] test custom::tests_one_block::fullset_len ... ok
[INFO] [stdout] test custom::tests_one_block::fullset_complement ... ok
[INFO] [stdout] test custom::tests_one_block::insert_contains ... ok
[INFO] [stdout] test custom::tests_one_block::fullset_contains_all_items ... ok
[INFO] [stdout] test custom::tests_one_block::singleton_complement ... ok
[INFO] [stdout] test custom::tests_one_block::fullset_is_not_empty ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::insert_contains ... ok
[INFO] [stdout] test custom::tests_multiple_blocks::fullset_is_not_empty ... ok
[INFO] [stdout] test custom::tests_one_block::remove_contains ... ok
[INFO] [stdout] test custom::tests_one_block::fullset_iter_count ... ok
[INFO] [stdout] test custom::tests_one_block::singleton_len ... ok
[INFO] [stdout] test custom::tests_one_block::singleton_iter_count ... ok
[INFO] [stdout] test custom::tests_one_block::test_display_empty ... ok
[INFO] [stdout] test custom::tests_one_block::test_display_multi ... ok
[INFO] [stdout] test custom::tests_one_block::test_display_singleton ... ok
[INFO] [stdout] test custom::tests_one_block::test_iter ... ok
[INFO] [stdout] test custom::tests_one_block::test_union ... ok
[INFO] [stdout] test custom::tests_one_block::test_inter ... ok
[INFO] [stdout] test test128::diff_leaves_non_existing_items ... ok
[INFO] [stdout] test test128::diff_removes_existing_item ... ok
[INFO] [stdout] test test128::emptyset_complement ... ok
[INFO] [stdout] test test128::emptyset_iter_count ... ok
[INFO] [stdout] test test128::emptyset_len ... ok
[INFO] [stdout] test test128::fullset_contains_all_items ... ok
[INFO] [stdout] test test128::fullset_complement ... ok
[INFO] [stdout] test test128::fullset_is_not_empty ... ok
[INFO] [stdout] test test128::fullset_iter_count ... ok
[INFO] [stdout] test test128::fullset_len ... ok
[INFO] [stdout] test test128::insert_contains ... ok
[INFO] [stdout] test test128::singleton_complement ... ok
[INFO] [stdout] test test128::remove_contains ... ok
[INFO] [stdout] test test128::singleton_contains_one_single_item ... ok
[INFO] [stdout] test custom::tests_one_block::test_into_iter ... ok
[INFO] [stdout] test test128::singleton_is_not_empty ... ok
[INFO] [stdout] test test128::union_with_is_idempotent ... ok
[INFO] [stdout] test custom::tests_one_block::singleton_contains_one_single_item ... ok
[INFO] [stdout] test custom::tests_one_block::singleton_is_not_empty ... ok
[INFO] [stdout] test test128::diff_removes_all_existing_item ... ok
[INFO] [stdout] test test128::singleton_len ... ok
[INFO] [stdout] test test128::test_display_multi ... ok
[INFO] [stdout] test test128::test_capacity ... ok
[INFO] [stdout] test test128::test_display_singleton ... ok
[INFO] [stdout] test test128::emptyset_contains_no_item ... ok
[INFO] [stdout] test test128::test_display_empty ... ok
[INFO] [stdout] test test128::emptyset_is_empty ... ok
[INFO] [stdout] test test128::test_iter ... ok
[INFO] [stdout] test test128::test_inter ... ok
[INFO] [stdout] test test128::test_union ... ok
[INFO] [stdout] test test_16::diff_removes_all_existing_item ... ok
[INFO] [stdout] test test_16::diff_removes_existing_item ... ok
[INFO] [stdout] test test_16::diff_leaves_non_existing_items ... ok
[INFO] [stdout] test test128::singleton_iter_count ... ok
[INFO] [stdout] test test128::test_into_iter ... ok
[INFO] [stdout] test test_16::emptyset_len ... ok
[INFO] [stdout] test test_16::remove_contains ... ok
[INFO] [stdout] test test_16::fullset_len ... ok
[INFO] [stdout] test test_16::fullset_is_not_empty ... ok
[INFO] [stdout] test test_16::fullset_iter_count ... ok
[INFO] [stdout] test test_16::test_display_empty ... ok
[INFO] [stdout] test test_16::singleton_len ... ok
[INFO] [stdout] test test_16::test_capacity ... ok
[INFO] [stdout] test test_16::test_into_iter ... ok
[INFO] [stdout] test test_16::test_iter ... ok
[INFO] [stdout] test test_16::test_union ... ok
[INFO] [stdout] test test_16::test_inter ... ok
[INFO] [stdout] test test_16::emptyset_is_empty ... ok
[INFO] [stdout] test test_16::union_with_is_idempotent ... ok
[INFO] [stdout] test test_16::singleton_complement ... ok
[INFO] [stdout] test test_16::emptyset_iter_count ... ok
[INFO] [stdout] test test_16::insert_contains ... ok
[INFO] [stdout] test test_16::fullset_complement ... ok
[INFO] [stdout] test test_16::singleton_contains_one_single_item ... ok
[INFO] [stdout] test test_16::fullset_contains_all_items ... ok
[INFO] [stdout] test test_16::singleton_is_not_empty ... ok
[INFO] [stdout] test test_16::singleton_iter_count ... ok
[INFO] [stdout] test test_32::fullset_iter_count ... ok
[INFO] [stdout] test test_32::emptyset_len ... ok
[INFO] [stdout] test test_32::diff_removes_existing_item ... ok
[INFO] [stdout] test test_16::emptyset_complement ... ok
[INFO] [stdout] test test_16::emptyset_contains_no_item ... ok
[INFO] [stdout] test test_32::insert_contains ... ok
[INFO] [stdout] test test_32::remove_contains ... ok
[INFO] [stdout] test test_32::singleton_is_not_empty ... ok
[INFO] [stdout] test test_32::emptyset_is_empty ... ok
[INFO] [stdout] test test_32::emptyset_iter_count ... ok
[INFO] [stdout] test test_32::singleton_complement ... ok
[INFO] [stdout] test test_32::fullset_len ... ok
[INFO] [stdout] test test_32::fullset_is_not_empty ... ok
[INFO] [stdout] test test_32::singleton_contains_one_single_item ... ok
[INFO] [stdout] test test_32::diff_leaves_non_existing_items ... ok
[INFO] [stdout] test test_32::diff_removes_all_existing_item ... ok
[INFO] [stdout] test test_32::fullset_complement ... ok
[INFO] [stdout] test test_32::emptyset_contains_no_item ... ok
[INFO] [stdout] test test_32::test_display_multi ... ok
[INFO] [stdout] test test_64::diff_leaves_non_existing_items ... ok
[INFO] [stdout] test test_32::test_display_empty ... ok
[INFO] [stdout] test test_64::diff_removes_existing_item ... ok
[INFO] [stdout] test test_32::test_capacity ... ok
[INFO] [stdout] test test_16::test_display_multi ... ok
[INFO] [stdout] test test_16::test_display_singleton ... ok
[INFO] [stdout] test test_32::singleton_iter_count ... ok
[INFO] [stdout] test test_64::emptyset_contains_no_item ... ok
[INFO] [stdout] test test_32::fullset_contains_all_items ... ok
[INFO] [stdout] test test_32::singleton_len ... ok
[INFO] [stdout] test test_32::emptyset_complement ... ok
[INFO] [stdout] test test_64::diff_removes_all_existing_item ... ok
[INFO] [stdout] test test_32::test_union ... ok
[INFO] [stdout] test test_32::union_with_is_idempotent ... ok
[INFO] [stdout] test test_32::test_display_singleton ... ok
[INFO] [stdout] test test_32::test_inter ... ok
[INFO] [stdout] test test_32::test_into_iter ... ok
[INFO] [stdout] test test_32::test_iter ... ok
[INFO] [stdout] test test_64::emptyset_complement ... ok
[INFO] [stderr]    Doc-tests smallbitset
[INFO] [stdout] test test_64::test_capacity ... ok
[INFO] [stdout] test test_64::fullset_iter_count ... ok
[INFO] [stdout] test test_64::fullset_len ... ok
[INFO] [stdout] test test_64::singleton_contains_one_single_item ... ok
[INFO] [stdout] test test_64::emptyset_is_empty ... ok
[INFO] [stdout] test test_64::singleton_iter_count ... ok
[INFO] [stdout] test test_64::test_display_multi ... ok
[INFO] [stdout] test test_64::test_inter ... ok
[INFO] [stdout] test test_64::test_into_iter ... ok
[INFO] [stdout] test test_64::emptyset_iter_count ... ok
[INFO] [stdout] test test_64::fullset_complement ... ok
[INFO] [stdout] test test_64::fullset_contains_all_items ... ok
[INFO] [stdout] test test_64::fullset_is_not_empty ... ok
[INFO] [stdout] test test_64::insert_contains ... ok
[INFO] [stdout] test test_8::diff_removes_all_existing_item ... ok
[INFO] [stdout] test test_8::diff_removes_existing_item ... ok
[INFO] [stdout] test test_8::emptyset_complement ... ok
[INFO] [stdout] test test_8::emptyset_contains_no_item ... ok
[INFO] [stdout] test test_8::emptyset_is_empty ... ok
[INFO] [stdout] test test_8::emptyset_iter_count ... ok
[INFO] [stdout] test test_8::emptyset_len ... ok
[INFO] [stdout] test test_8::fullset_complement ... ok
[INFO] [stdout] test test_8::fullset_is_not_empty ... ok
[INFO] [stdout] test test_8::fullset_iter_count ... ok
[INFO] [stdout] test test_8::fullset_len ... ok
[INFO] [stdout] test test_8::fullset_contains_all_items ... ok
[INFO] [stdout] test test_64::test_union ... ok
[INFO] [stdout] test test_8::diff_leaves_non_existing_items ... ok
[INFO] [stdout] test test_8::singleton_iter_count ... ok
[INFO] [stdout] test test_8::singleton_len ... ok
[INFO] [stdout] test test_8::test_capacity ... ok
[INFO] [stdout] test test_8::test_display_empty ... ok
[INFO] [stdout] test test_64::test_display_empty ... ok
[INFO] [stdout] test test_8::test_display_multi ... ok
[INFO] [stdout] test test_64::test_display_singleton ... ok
[INFO] [stdout] test test_8::test_display_singleton ... ok
[INFO] [stdout] test test_8::test_inter ... ok
[INFO] [stdout] test test_64::test_iter ... ok
[INFO] [stdout] test test_64::union_with_is_idempotent ... ok
[INFO] [stdout] test test_8::test_into_iter ... ok
[INFO] [stdout] test test_8::test_iter ... ok
[INFO] [stdout] test test_8::insert_contains ... ok
[INFO] [stdout] test test_8::test_union ... ok
[INFO] [stdout] test test_8::union_with_is_idempotent ... ok
[INFO] [stdout] test test_64::emptyset_len ... ok
[INFO] [stdout] test test_64::singleton_is_not_empty ... ok
[INFO] [stdout] test test_64::remove_contains ... ok
[INFO] [stdout] test test_8::remove_contains ... ok
[INFO] [stdout] test test_64::singleton_complement ... ok
[INFO] [stdout] test test_8::singleton_complement ... ok
[INFO] [stdout] test test_64::singleton_len ... ok
[INFO] [stdout] test test_8::singleton_contains_one_single_item ... ok
[INFO] [stdout] test test_8::singleton_is_not_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 199 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49f7eee63a31982e5e317e7621d444cdc3ef19893a27819e862b4f459e878495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f7eee63a31982e5e317e7621d444cdc3ef19893a27819e862b4f459e878495", kill_on_drop: false }`
[INFO] [stdout] 49f7eee63a31982e5e317e7621d444cdc3ef19893a27819e862b4f459e878495