[INFO] fetching crate vec_map 0.8.2...
[INFO] testing vec_map-0.8.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate vec_map 0.8.2 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate vec_map 0.8.2 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 vec_map 0.8.2
[INFO] finished tweaking crates.io crate vec_map 0.8.2
[INFO] tweaked toml for crates.io crate vec_map 0.8.2 written to /workspace/builds/worker-26/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1dc483bad3518097dc9585556f5af72075ad4b18da727f2a501b057b1d8c8bb
[INFO] running `Command { std: "docker" "start" "-a" "e1dc483bad3518097dc9585556f5af72075ad4b18da727f2a501b057b1d8c8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1dc483bad3518097dc9585556f5af72075ad4b18da727f2a501b057b1d8c8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dc483bad3518097dc9585556f5af72075ad4b18da727f2a501b057b1d8c8bb", kill_on_drop: false }`
[INFO] [stdout] e1dc483bad3518097dc9585556f5af72075ad4b18da727f2a501b057b1d8c8bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2a3ffde31799763e0176adae075ddfb5a6d6ee04d43141ee930d06c975130d
[INFO] running `Command { std: "docker" "start" "-a" "6c2a3ffde31799763e0176adae075ddfb5a6d6ee04d43141ee930d06c975130d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_map v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1010:34
[INFO] [stdout]      |
[INFO] [stdout] 1010 |     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1010 -     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stdout] 1010 +     fn next(&mut self) -> Option<&'a V> { self.iter.next().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1017:39
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout]      |                                       ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1017 -     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout] 1017 +     fn next_back(&mut self) -> Option<&'a V> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1023:34
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1023 -     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout] 1023 +     fn next(&mut self) -> Option<&'a mut V> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "6c2a3ffde31799763e0176adae075ddfb5a6d6ee04d43141ee930d06c975130d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2a3ffde31799763e0176adae075ddfb5a6d6ee04d43141ee930d06c975130d", kill_on_drop: false }`
[INFO] [stdout] 6c2a3ffde31799763e0176adae075ddfb5a6d6ee04d43141ee930d06c975130d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2377683a1a6339e9ec939997787b98ec7eae3f5c361e82a7d2f82a399340688
[INFO] running `Command { std: "docker" "start" "-a" "c2377683a1a6339e9ec939997787b98ec7eae3f5c361e82a7d2f82a399340688", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1010:34
[INFO] [stdout]      |
[INFO] [stdout] 1010 |     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1010 -     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stdout] 1010 +     fn next(&mut self) -> Option<&'a V> { self.iter.next().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vec_map v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1017:39
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout]      |                                       ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1017 -     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout] 1017 +     fn next_back(&mut self) -> Option<&'a V> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1023:34
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1023 -     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout] 1023 +     fn next(&mut self) -> Option<&'a mut V> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1010:34
[INFO] [stdout]      |
[INFO] [stdout] 1010 |     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1010 -     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stdout] 1010 +     fn next(&mut self) -> Option<&'a V> { self.iter.next().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1017:39
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout]      |                                       ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1017 -     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout] 1017 +     fn next_back(&mut self) -> Option<&'a V> { self.iter.next_back().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1023:34
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout]      |                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1023 -     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout] 1023 +     fn next(&mut self) -> Option<&'a mut V> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "c2377683a1a6339e9ec939997787b98ec7eae3f5c361e82a7d2f82a399340688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2377683a1a6339e9ec939997787b98ec7eae3f5c361e82a7d2f82a399340688", kill_on_drop: false }`
[INFO] [stdout] c2377683a1a6339e9ec939997787b98ec7eae3f5c361e82a7d2f82a399340688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a8c6425613b15f2f6467717996279dc88bc5279eb2a0a86978f85d7760fcd50
[INFO] running `Command { std: "docker" "start" "-a" "0a8c6425613b15f2f6467717996279dc88bc5279eb2a0a86978f85d7760fcd50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/lib.rs:1010:34
[INFO] [stderr]      |
[INFO] [stderr] 1010 |     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stderr]      |                                  ^     ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1010 -     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stderr] 1010 +     fn next(&mut self) -> Option<&'a V> { self.iter.next().map(|e| e.1) }
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/lib.rs:1017:39
[INFO] [stderr]      |
[INFO] [stderr] 1017 |     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stderr]      |                                       ^     ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1017 -     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stderr] 1017 +     fn next_back(&mut self) -> Option<&'a V> { self.iter.next_back().map(|e| e.1) }
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/lib.rs:1023:34
[INFO] [stderr]      |
[INFO] [stderr] 1023 |     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stderr]      |                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1023 -     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stderr] 1023 +     fn next(&mut self) -> Option<&'a mut V> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: `vec_map` (lib) generated 3 warnings
[INFO] [stderr] warning: `vec_map` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vec_map-8578c79162162daf)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test test::test_append ... ok
[INFO] [stdout] test test::test_clear ... ok
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_drain_iterator ... ok
[INFO] [stdout] test test::test_entry ... ok
[INFO] [stdout] test test::test_eq ... ok
[INFO] [stdout] test test::test_extend_ref ... ok
[INFO] [stdout] test test::test_from_iter ... ok
[INFO] [stdout] test test::test_get_mut ... ok
[INFO] [stdout] test test::test_index ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_insert ... ok
[INFO] [stdout] test test::test_iterator ... ok
[INFO] [stdout] test test::test_iterator_size_hints ... ok
[INFO] [stdout] test test::test_keys ... ok
[INFO] [stdout] test test::test_len ... ok
[INFO] [stdout] test test::test_lt ... ok
[INFO] [stdout] test test::test_move_iter ... ok
[INFO] [stdout] test test::test_mut_iterator ... ok
[INFO] [stdout] test test::test_mut_rev_iterator ... ok
[INFO] [stdout] test test::test_ord ... ok
[INFO] [stdout] test test::test_remove ... ok
[INFO] [stdout] test test::test_retain ... ok
[INFO] [stdout] test test::test_rev_iterator ... ok
[INFO] [stdout] test test::test_split_off ... ok
[INFO] [stdout] test test::test_show ... ok
[INFO] [stdout] test test::test_values ... ok
[INFO] [stdout] test test::test_index_nonexistent - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_map
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/workdir/src/lib.rs:1010:34
[INFO] [stderr]      |
[INFO] [stderr] 1010 |     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stderr]      |                                  ^     ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1010 -     fn next(&mut self) -> Option<(&'a V)> { self.iter.next().map(|e| e.1) }
[INFO] [stderr] 1010 +     fn next(&mut self) -> Option<&'a V> { self.iter.next().map(|e| e.1) }
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/workdir/src/lib.rs:1017:39
[INFO] [stderr]      |
[INFO] [stderr] 1017 |     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stderr]      |                                       ^     ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1017 -     fn next_back(&mut self) -> Option<(&'a V)> { self.iter.next_back().map(|e| e.1) }
[INFO] [stderr] 1017 +     fn next_back(&mut self) -> Option<&'a V> { self.iter.next_back().map(|e| e.1) }
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/workdir/src/lib.rs:1023:34
[INFO] [stderr]      |
[INFO] [stderr] 1023 |     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stderr]      |                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1023 -     fn next(&mut self) -> Option<(&'a mut V)> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stderr] 1023 +     fn next(&mut self) -> Option<&'a mut V> { self.iter_mut.next().map(|e| e.1) }
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - VecMap<V>::new (line 114) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::capacity (line 138) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::reserve_len (line 156) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::with_capacity (line 125) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::shrink_to_fit (line 198) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::clear (line 452) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::reserve_len_exact (line 179) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::iter (line 238) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::is_empty (line 436) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::iter_mut (line 267) ... ok
[INFO] [stdout] test src/lib.rs - VecMap (line 36) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::drain (line 394) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<T>::into_iter (line 760) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::get_mut (line 503) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::append (line 297) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::len (line 420) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::contains_key (line 486) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::retain (line 614) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::entry (line 578) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::remove (line 554) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::get (line 466) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::insert (line 526) ... ok
[INFO] [stdout] test src/lib.rs - VecMap<V>::split_off (line 330) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a8c6425613b15f2f6467717996279dc88bc5279eb2a0a86978f85d7760fcd50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8c6425613b15f2f6467717996279dc88bc5279eb2a0a86978f85d7760fcd50", kill_on_drop: false }`
[INFO] [stdout] 0a8c6425613b15f2f6467717996279dc88bc5279eb2a0a86978f85d7760fcd50