[INFO] fetching crate non-empty-collections 0.1.9...
[INFO] testing non-empty-collections-0.1.9 against 1.54.0 for beta-1.55-1
[INFO] extracting crate non-empty-collections 0.1.9 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate non-empty-collections 0.1.9 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate non-empty-collections 0.1.9
[INFO] finished tweaking crates.io crate non-empty-collections 0.1.9
[INFO] tweaked toml for crates.io crate non-empty-collections 0.1.9 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b21606979f9b86998ca0a306a3ed60ed573cc6d1f021139ad6c77f2281ee87
[INFO] running `Command { std: "docker" "start" "-a" "a3b21606979f9b86998ca0a306a3ed60ed573cc6d1f021139ad6c77f2281ee87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b21606979f9b86998ca0a306a3ed60ed573cc6d1f021139ad6c77f2281ee87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b21606979f9b86998ca0a306a3ed60ed573cc6d1f021139ad6c77f2281ee87", kill_on_drop: false }`
[INFO] [stdout] a3b21606979f9b86998ca0a306a3ed60ed573cc6d1f021139ad6c77f2281ee87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a55f4292b469f44b3b0950690f70f6102f291093836350b84aecc033ba9a2bab
[INFO] running `Command { std: "docker" "start" "-a" "a55f4292b469f44b3b0950690f70f6102f291093836350b84aecc033ba9a2bab", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling non-empty-collections v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index_set/mod.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stdout]     |                   ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "a55f4292b469f44b3b0950690f70f6102f291093836350b84aecc033ba9a2bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55f4292b469f44b3b0950690f70f6102f291093836350b84aecc033ba9a2bab", kill_on_drop: false }`
[INFO] [stdout] a55f4292b469f44b3b0950690f70f6102f291093836350b84aecc033ba9a2bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3608636d8e279f3ec3c715de8d90a445835b5fcd8f6d3af1455660356c3129
[INFO] running `Command { std: "docker" "start" "-a" "3e3608636d8e279f3ec3c715de8d90a445835b5fcd8f6d3af1455660356c3129", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index_set/mod.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stdout]     |                   ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling non-empty-collections v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index_set/mod.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stdout]     |                   ^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "3e3608636d8e279f3ec3c715de8d90a445835b5fcd8f6d3af1455660356c3129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3608636d8e279f3ec3c715de8d90a445835b5fcd8f6d3af1455660356c3129", kill_on_drop: false }`
[INFO] [stdout] 3e3608636d8e279f3ec3c715de8d90a445835b5fcd8f6d3af1455660356c3129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38a7accbaab1ed2bf957bdafbafee303242b793397f4047e731e3df0c0cc3e00
[INFO] running `Command { std: "docker" "start" "-a" "38a7accbaab1ed2bf957bdafbafee303242b793397f4047e731e3df0c0cc3e00", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/index_set/mod.rs:272:19
[INFO] [stderr]     |
[INFO] [stderr] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stderr]     |                   ^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/index_set/mod.rs:272:19
[INFO] [stderr]     |
[INFO] [stderr] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stderr]     |                   ^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/non_empty_collections-1472986e6f8225be)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stderr]    Doc-tests non-empty-collections
[INFO] [stdout] test index_map::entry::tests::test_occupied ... ok
[INFO] [stdout] test index_map::entry::tests::test_occupied_one ... ok
[INFO] [stdout] test index_map::entry::tests::test_or_insert ... ok
[INFO] [stdout] test index_map::entry::tests::test_or_insert_with ... ok
[INFO] [stdout] test index_map::entry::tests::test_vacant ... ok
[INFO] [stdout] test index_map::tests::from_item_and_iterator ... ok
[INFO] [stdout] test index_map::tests::get_unsized ... ok
[INFO] [stdout] test index_map::tests::insert_and_get ... ok
[INFO] [stdout] test index_map::tests::into_iter ... ok
[INFO] [stdout] test index_map::tests::insert_and_contains ... ok
[INFO] [stdout] test index_map::tests::into_std_hashmap ... ok
[INFO] [stdout] test index_map::tests::len ... ok
[INFO] [stdout] test index_map::tests::remove_entry ... ok
[INFO] [stdout] test index_map::tests::comparison ... ok
[INFO] [stdout] test index_map::tests::retain ... ok
[INFO] [stdout] test index_set::tests::comparison ... ok
[INFO] [stdout] test index_set::tests::from_iterator ... ok
[INFO] [stdout] test index_set::tests::get_unsized ... ok
[INFO] [stdout] test index_set::tests::insert ... ok
[INFO] [stdout] test index_set::tests::len ... ok
[INFO] [stdout] test index_set::tests::new_and_contains ... ok
[INFO] [stdout] test index_set::tests::new_and_get ... ok
[INFO] [stdout] test index_set::tests::remove ... ok
[INFO] [stdout] test index_set::tests::remove_first ... ok
[INFO] [stdout] test index_set::tests::take ... ok
[INFO] [stdout] test index_set::tests::retain ... ok
[INFO] [stdout] test index_map::tests::remove_first ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> /opt/rustwide/workdir/src/index_set/mod.rs:272:19
[INFO] [stderr]     |
[INFO] [stderr] 272 | impl<K, S> Extend<(K)> for NonEmptyIndexSet<K, S>
[INFO] [stderr]     |                   ^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/index_map/mod.rs - index_map::NonEmptyIndexMap<K, V, S>::is_empty (line 235) ... ok
[INFO] [stdout] test src/index_set/mod.rs - index_set::NonEmptyIndexSet<K, S>::is_empty (line 202) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38a7accbaab1ed2bf957bdafbafee303242b793397f4047e731e3df0c0cc3e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a7accbaab1ed2bf957bdafbafee303242b793397f4047e731e3df0c0cc3e00", kill_on_drop: false }`
[INFO] [stdout] 38a7accbaab1ed2bf957bdafbafee303242b793397f4047e731e3df0c0cc3e00
