[INFO] fetching crate rayon-hash 0.5.0...
[INFO] testing rayon-hash-0.5.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rayon-hash 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rayon-hash 0.5.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rayon-hash 0.5.0
[INFO] finished tweaking crates.io crate rayon-hash 0.5.0
[INFO] tweaked toml for crates.io crate rayon-hash 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d3f7ec8b027c1abb38c33ff240b4b13b04dbe8d4137179b38942da04b37d91
[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" "33d3f7ec8b027c1abb38c33ff240b4b13b04dbe8d4137179b38942da04b37d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d3f7ec8b027c1abb38c33ff240b4b13b04dbe8d4137179b38942da04b37d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d3f7ec8b027c1abb38c33ff240b4b13b04dbe8d4137179b38942da04b37d91", kill_on_drop: false }`
[INFO] [stdout] 33d3f7ec8b027c1abb38c33ff240b4b13b04dbe8d4137179b38942da04b37d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c124e4adc2ca0f41d3983bab1d8f9b776ecf38e9fed9e98419c4646cb06facb6
[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" "c124e4adc2ca0f41d3983bab1d8f9b776ecf38e9fed9e98419c4646cb06facb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-hash v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2540:34
[INFO] [stdout]      |
[INFO] [stdout] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2563:34
[INFO] [stdout]      |
[INFO] [stdout] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2586:34
[INFO] [stdout]      |
[INFO] [stdout] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "c124e4adc2ca0f41d3983bab1d8f9b776ecf38e9fed9e98419c4646cb06facb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c124e4adc2ca0f41d3983bab1d8f9b776ecf38e9fed9e98419c4646cb06facb6", kill_on_drop: false }`
[INFO] [stdout] c124e4adc2ca0f41d3983bab1d8f9b776ecf38e9fed9e98419c4646cb06facb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f1f0ac141a58c347c8d463176878ca9e0dd3ca45b9680ca350bc9b55412cda1
[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" "6f1f0ac141a58c347c8d463176878ca9e0dd3ca45b9680ca350bc9b55412cda1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2540:34
[INFO] [stdout]      |
[INFO] [stdout] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2563:34
[INFO] [stdout]      |
[INFO] [stdout] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2586:34
[INFO] [stdout]      |
[INFO] [stdout] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon-hash v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2540:34
[INFO] [stdout]      |
[INFO] [stdout] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2563:34
[INFO] [stdout]      |
[INFO] [stdout] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/std_hash/map.rs:2586:34
[INFO] [stdout]      |
[INFO] [stdout] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "6f1f0ac141a58c347c8d463176878ca9e0dd3ca45b9680ca350bc9b55412cda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1f0ac141a58c347c8d463176878ca9e0dd3ca45b9680ca350bc9b55412cda1", kill_on_drop: false }`
[INFO] [stdout] 6f1f0ac141a58c347c8d463176878ca9e0dd3ca45b9680ca350bc9b55412cda1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b338d8e2a34da06d182554154c6a3111b87dd3097f3a0e807a29b9f43a85661f
[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" "b338d8e2a34da06d182554154c6a3111b87dd3097f3a0e807a29b9f43a85661f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2540:34
[INFO] [stderr]      |
[INFO] [stderr] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2563:34
[INFO] [stderr]      |
[INFO] [stderr] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2586:34
[INFO] [stderr]      |
[INFO] [stderr] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 79 tests
[INFO] [stderr]     --> src/std_hash/map.rs:2540:34
[INFO] [stdout] test par::map::test_par_map::test_into_iter_drops ... ok
[INFO] [stderr]      |
[INFO] [stderr] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2563:34
[INFO] [stderr]      |
[INFO] [stderr] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> src/std_hash/map.rs:2586:34
[INFO] [stderr]      |
[INFO] [stderr] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rayon_hash-6b0bba56b4623f12
[INFO] [stdout] test par::map::test_par_map::test_iterate ... ok
[INFO] [stdout] test par::set::test_par_set::test_from_iter ... ok
[INFO] [stdout] test par::map::test_par_map::test_eq ... ok
[INFO] [stdout] test par::set::test_par_set::test_eq ... ok
[INFO] [stdout] test par::set::test_par_set::test_difference ... ok
[INFO] [stdout] test par::set::test_par_set::test_extend_ref ... ok
[INFO] [stdout] test par::map::test_par_map::test_extend_ref ... ok
[INFO] [stdout] test par::map::test_par_map::test_values_mut ... ok
[INFO] [stdout] test std_hash::map::test_map::test_capacity_not_less_than_len ... ok
[INFO] [stdout] test std_hash::map::test_map::test_clone ... ok
[INFO] [stdout] test std_hash::map::test_map::test_conflict_remove ... ok
[INFO] [stdout] test par::map::test_par_map::test_empty_iter ... ok
[INFO] [stdout] test std_hash::map::test_map::test_create_capacity_zero ... ok
[INFO] [stdout] test std_hash::map::test_map::test_empty_iter ... ok
[INFO] [stdout] test std_hash::map::test_map::test_drops ... ok
[INFO] [stdout] test std_hash::map::test_map::test_empty_remove ... ok
[INFO] [stdout] test par::set::test_par_set::test_move_iter ... ok
[INFO] [stdout] test par::map::test_par_map::test_values ... ok
[INFO] [stdout] test std_hash::map::test_map::test_empty_entry ... ok
[INFO] [stdout] test par::map::test_par_map::test_keys ... ok
[INFO] [stdout] test par::set::test_par_set::test_symmetric_difference ... ok
[INFO] [stdout] test par::set::test_par_set::test_union ... ok
[INFO] [stdout] test par::set::test_par_set::test_intersection ... ok
[INFO] [stdout] test par::set::test_par_set::test_subset_and_superset ... ok
[INFO] [stdout] test par::set::test_par_set::test_iterate ... ok
[INFO] [stdout] test std_hash::map::test_map::test_extend_ref ... ok
[INFO] [stdout] test std_hash::map::test_map::test_find ... ok
[INFO] [stdout] test std_hash::map::test_map::test_find_mut ... ok
[INFO] [stdout] test std_hash::map::test_map::test_from_iter ... ok
[INFO] [stdout] test std_hash::map::test_map::test_insert ... ok
[INFO] [stdout] test std_hash::map::test_map::test_insert_conflicts ... ok
[INFO] [stdout] test std_hash::map::test_map::test_into_iter_drops ... ok
[INFO] [stdout] test std_hash::map::test_map::test_is_empty ... ok
[INFO] [stdout] test std_hash::map::test_map::test_insert_overwrite ... ok
[INFO] [stdout] test std_hash::map::test_map::test_behavior_resize_policy ... ok
[INFO] [stdout] test std_hash::map::test_map::test_expand ... ok
[INFO] [stdout] test std_hash::map::test_map::test_iter_len ... ok
[INFO] [stdout] test par::set::test_par_set::test_disjoint ... ok
[INFO] [stdout] test std_hash::map::test_map::test_entry_take_doesnt_corrupt ... ok
[INFO] [stdout] test std_hash::map::test_map::test_reserve_shrink_to_fit ... ok
[INFO] [stdout] test std_hash::map::test_map::test_retain ... ok
[INFO] [stdout] test std_hash::map::test_map::test_show ... ok
[INFO] [stdout] test std_hash::map::test_map::test_remove ... ok
[INFO] [stdout] test std_hash::map::test_map::test_occupied_entry_key ... ok
[INFO] [stdout] test std_hash::map::test_map::test_mut_size_hint ... ok
[INFO] [stdout] test std_hash::map::test_map::test_values ... ok
[INFO] [stdout] test std_hash::map::test_map::test_values_mut ... ok
[INFO] [stdout] test std_hash::map::test_map::test_keys ... ok
[INFO] [stdout] test std_hash::map::test_map::test_zero_capacities ... ok
[INFO] [stdout] test std_hash::map::test_map::test_iter_mut_len ... ok
[INFO] [stdout] test std_hash::map::test_map::test_size_hint ... ok
[INFO] [stdout] test std_hash::map::test_map::test_vacant_entry_key ... ok
[INFO] [stdout] test std_hash::set::test_set::test_intersection ... ok
[INFO] [stdout] test std_hash::set::test_set::test_difference ... ok
[INFO] [stdout] test std_hash::set::test_set::test_disjoint ... ok
[INFO] [stdout] test std_hash::map::test_map::test_iterate ... ok
[INFO] [stdout] test std_hash::map::test_map::test_index ... ok
[INFO] [stdout] test std_hash::map::test_map::test_entry ... ok
[INFO] [stdout] test par::map::test_par_map::test_from_iter ... ok
[INFO] [stdout] test std_hash::set::test_set::test_iterate ... ok
[INFO] [stdout] test std_hash::set::test_set::test_drain ... ok
[INFO] [stdout] test std_hash::set::test_set::test_move_iter ... ok
[INFO] [stdout] test std_hash::set::test_set::test_eq ... ok
[INFO] [stdout] test std_hash::set::test_set::test_from_iter ... ok
[INFO] [stdout] test std_hash::set::test_set::test_extend_ref ... ok
[INFO] [stdout] test std_hash::map::test_map::test_eq ... ok
[INFO] [stdout] test std_hash::set::test_set::test_union ... ok
[INFO] [stdout] test std_hash::set::test_set::test_replace ... ok
[INFO] [stdout] test std_hash::set::test_set::test_zero_capacities ... ok
[INFO] [stdout] test std_hash::set::test_set::test_symmetric_difference ... ok
[INFO] [stdout] test std_hash::table::can_alias_safehash_as_hash ... ok
[INFO] [stdout] test std_hash::set::test_set::test_subset_and_superset ... ok
[INFO] [stdout] test std_hash::set::test_set::test_retain ... ok
[INFO] [stdout] test std_hash::set::test_set::test_trivial_drain ... ok
[INFO] [stdout] test std_hash::set::test_set::test_show ... ok
[INFO] [stdout] test std_hash::map::test_map::test_index_nonexistent ... ok
[INFO] [stdout] test std_hash::map::test_map::test_adaptive ... ok
[INFO] [stdout] test std_hash::map::test_map::test_lots_of_insertions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 79 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rayon-hash
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/workdir/src/std_hash/map.rs:2540:34
[INFO] [stderr]      |
[INFO] [stderr] 2540 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/workdir/src/std_hash/map.rs:2563:34
[INFO] [stderr]      |
[INFO] [stderr] 2563 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stderr]      |                                  ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/workdir/src/std_hash/map.rs:2586:34
[INFO] [stderr]      |
[INFO] [stderr] 2586 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stderr]      |                                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 80 tests
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, RandomState>::new (line 696) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, RandomState>::with_capacity (line 713) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::capacity (line 732) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::Entry::key (line 2703) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::entry (line 1260) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap (line 329) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::clear (line 935) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::Entry::or_default (line 2759) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::Entry::and_modify (line 2722) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::drain (line 910) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap (line 398) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap (line 271) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::Entry::or_insert (line 2658) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::contains_key (line 1350) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::Entry::or_insert_with (line 2682) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap (line 367) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::hasher (line 1023) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::reserve (line 1048) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::iter (line 825) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::iter_mut (line 848) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::get (line 1295) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::len (line 874) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::is_empty (line 891) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::values (line 776) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::into_iter (line 2428) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::insert (line 1409) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::keys (line 754) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::shrink_to_fit (line 1173) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::values_mut (line 798) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::get_mut (line 1377) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::OccupiedEntry::get (line 2822) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::remove_entry (line 1467) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::retain (line 1495) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::remove (line 1439) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::with_hasher (line 966) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::HashMap<K, V, S>::with_capacity_and_hasher (line 997) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::VacantEntry::into_key (line 3033) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::VacantEntry::insert (line 3053) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::OccupiedEntry::insert (line 2902) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::OccupiedEntry::get_mut (line 2847) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::VacantEntry::key (line 3018) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::OccupiedEntry::key (line 2782) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::OccupiedEntry::into_mut (line 2879) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::OccupiedEntry::remove (line 2926) ... ok
[INFO] [stdout] test src/std_hash/map.rs - std_hash::map::OccupiedEntry::remove_entry (line 2798) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, RandomState>::with_capacity (line 140) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::capacity (line 157) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::&'_ HashSet<T, S>::bitand (line 898) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, RandomState>::new (line 123) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet (line 93) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet (line 39) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::&'_ HashSet<T, S>::bitxor (line 930) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::&'_ HashSet<T, S>::bitor (line 866) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet (line 70) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::hasher (line 327) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::&'_ HashSet<T, S>::sub (line 962) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::contains (line 540) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::insert (line 670) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::clear (line 250) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::is_disjoint (line 589) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::drain (line 227) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::is_superset (line 641) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::reserve (line 350) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::get (line 566) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::iter (line 173) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::is_subset (line 615) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::into_iter (line 1094) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::difference (line 414) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::len (line 193) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::is_empty (line 210) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::intersection (line 473) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::remove (line 713) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::retain (line 765) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::replace (line 689) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::take (line 741) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::shrink_to_fit (line 367) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::with_capacity_and_hasher (line 307) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::union (line 506) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::symmetric_difference (line 445) ... ok
[INFO] [stdout] test src/std_hash/set.rs - std_hash::set::HashSet<T, S>::with_hasher (line 280) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 80 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b338d8e2a34da06d182554154c6a3111b87dd3097f3a0e807a29b9f43a85661f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b338d8e2a34da06d182554154c6a3111b87dd3097f3a0e807a29b9f43a85661f", kill_on_drop: false }`
[INFO] [stdout] b338d8e2a34da06d182554154c6a3111b87dd3097f3a0e807a29b9f43a85661f
