[INFO] crate non-empty-collections 0.1.9 is already in cache
[INFO] testing non-empty-collections-0.1.9 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate non-empty-collections 0.1.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate non-empty-collections 0.1.9 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9ccd28a72ea7d61227eac198e2c8902e3c323b0e049a24dbe68f15ebfceaf03
[INFO] running `"docker" "start" "-a" "a9ccd28a72ea7d61227eac198e2c8902e3c323b0e049a24dbe68f15ebfceaf03"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling non-empty-collections v0.1.9 (/opt/rustwide/workdir)
[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 dev [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `"docker" "inspect" "a9ccd28a72ea7d61227eac198e2c8902e3c323b0e049a24dbe68f15ebfceaf03"`
[INFO] running `"docker" "rm" "-f" "a9ccd28a72ea7d61227eac198e2c8902e3c323b0e049a24dbe68f15ebfceaf03"`
[INFO] [stdout] a9ccd28a72ea7d61227eac198e2c8902e3c323b0e049a24dbe68f15ebfceaf03
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] a1494bc39e96b439aa9e8f446d8e8eb33e7636ef832312d179223d868886234e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a1494bc39e96b439aa9e8f446d8e8eb33e7636ef832312d179223d868886234e"`
[INFO] [stderr]    Compiling non-empty-collections v0.1.9 (/opt/rustwide/workdir)
[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 2.26s
[INFO] running `"docker" "inspect" "a1494bc39e96b439aa9e8f446d8e8eb33e7636ef832312d179223d868886234e"`
[INFO] running `"docker" "rm" "-f" "a1494bc39e96b439aa9e8f446d8e8eb33e7636ef832312d179223d868886234e"`
[INFO] [stdout] a1494bc39e96b439aa9e8f446d8e8eb33e7636ef832312d179223d868886234e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d1be2e2a66a2a061fc6e5eac45510fc964ee58238f121a4bfbea978a4a52613
[INFO] running `"docker" "start" "-a" "9d1be2e2a66a2a061fc6e5eac45510fc964ee58238f121a4bfbea978a4a52613"`
[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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/non_empty_collections-301e61fecc111bd3
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test index_map::entry::tests::test_or_insert_with ... ok
[INFO] [stdout] test index_map::entry::tests::test_or_insert ... ok
[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_vacant ... ok
[INFO] [stdout] test index_map::tests::insert_and_contains ... 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::comparison ... ok
[INFO] [stdout] test index_map::tests::len ... ok
[INFO] [stdout] test index_map::tests::into_iter ... ok
[INFO] [stdout] test index_map::tests::insert_and_get ... ok
[INFO] [stdout] test index_map::tests::retain ... ok
[INFO] [stdout] test index_set::tests::get_unsized ... ok
[INFO] [stdout] test index_set::tests::from_iterator ... ok
[INFO] [stdout] test index_map::tests::into_std_hashmap ... ok
[INFO] [stdout] test index_map::tests::remove_entry ... ok
[INFO] [stdout] test index_map::tests::remove_first ... ok
[INFO] [stdout] test index_set::tests::comparison ... ok
[INFO] [stdout] test index_set::tests::retain ... ok
[INFO] [stdout] test index_set::tests::remove ... ok
[INFO] [stdout] test index_set::tests::remove_first ... ok
[INFO] [stdout] test index_set::tests::len ... ok
[INFO] [stdout] test index_set::tests::insert ... ok
[INFO] [stdout] test index_set::tests::new_and_get ... ok
[INFO] [stdout] test index_set::tests::new_and_contains ... ok
[INFO] [stdout] test index_set::tests::take ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests non-empty-collections
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/index_set/mod.rs - index_set::NonEmptyIndexSet<K, S>::is_empty (line 202) ... ok
[INFO] [stdout] test src/index_map/mod.rs - index_map::NonEmptyIndexMap<K, V, S>::is_empty (line 235) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9d1be2e2a66a2a061fc6e5eac45510fc964ee58238f121a4bfbea978a4a52613"`
[INFO] running `"docker" "rm" "-f" "9d1be2e2a66a2a061fc6e5eac45510fc964ee58238f121a4bfbea978a4a52613"`
[INFO] [stdout] 9d1be2e2a66a2a061fc6e5eac45510fc964ee58238f121a4bfbea978a4a52613