[INFO] updating cached repository https://github.com/rklaehn/vec-collections
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a33e41924c1e98912b294b15ffc152171c8ee182
[INFO] testing rklaehn/vec-collections against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fvec-collections" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rklaehn/vec-collections on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rklaehn/vec-collections
[INFO] finished tweaking git repo https://github.com/rklaehn/vec-collections
[INFO] tweaked toml for git repo https://github.com/rklaehn/vec-collections written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rklaehn/vec-collections already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] e750729c1ef83a8475c7e04258ba08187575b9748c4f5c63e24e33ad2d59585d
[INFO] running `"docker" "start" "-a" "e750729c1ef83a8475c7e04258ba08187575b9748c4f5c63e24e33ad2d59585d"`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling sorted-iter v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling vec-collections v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/small_vec_builder.rs:180:57
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let v = std::mem::replace(&mut self.v, unsafe { std::mem::uninitialized() });
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map_ref`
[INFO] [stderr]    --> src/total_vec_seq.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn map_ref<F: Fn(&T) -> T>(&self, op: F) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]   --> src/dedup.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assert_invariants`
[INFO] [stderr]   --> src/small_vec_builder.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn assert_invariants(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `target_slice`
[INFO] [stderr]   --> src/small_vec_builder.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn target_slice(&self) -> &[A::Item] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `skip`
[INFO] [stderr]    --> src/small_vec_builder.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn skip(&mut self, n: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]    --> src/small_vec_builder.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn take(&mut self, n: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_mut_slice`
[INFO] [stderr]    --> src/small_vec_builder.rs:345:5
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn as_mut_slice(&mut self) -> &mut [A::Item] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:63
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                               ^^^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:74
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                                          ^^^^^^^^^
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.70s
[INFO] running `"docker" "inspect" "e750729c1ef83a8475c7e04258ba08187575b9748c4f5c63e24e33ad2d59585d"`
[INFO] running `"docker" "rm" "-f" "e750729c1ef83a8475c7e04258ba08187575b9748c4f5c63e24e33ad2d59585d"`
[INFO] [stdout] e750729c1ef83a8475c7e04258ba08187575b9748c4f5c63e24e33ad2d59585d
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e57dc598ffebe0cf347a235c2d10801bc02f12bb43d32ba575148574f83d557b
[INFO] running `"docker" "start" "-a" "e57dc598ffebe0cf347a235c2d10801bc02f12bb43d32ba575148574f83d557b"`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/small_vec_builder.rs:180:57
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let v = std::mem::replace(&mut self.v, unsafe { std::mem::uninitialized() });
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map_ref`
[INFO] [stderr]    --> src/total_vec_seq.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn map_ref<F: Fn(&T) -> T>(&self, op: F) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]   --> src/dedup.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assert_invariants`
[INFO] [stderr]   --> src/small_vec_builder.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn assert_invariants(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `target_slice`
[INFO] [stderr]   --> src/small_vec_builder.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn target_slice(&self) -> &[A::Item] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `skip`
[INFO] [stderr]    --> src/small_vec_builder.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn skip(&mut self, n: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]    --> src/small_vec_builder.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn take(&mut self, n: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_mut_slice`
[INFO] [stderr]    --> src/small_vec_builder.rs:345:5
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn as_mut_slice(&mut self) -> &mut [A::Item] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:63
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                               ^^^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:74
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                                          ^^^^^^^^^
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling vec-collections v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/small_vec_builder.rs:180:57
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let v = std::mem::replace(&mut self.v, unsafe { std::mem::uninitialized() });
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map_ref`
[INFO] [stderr]    --> src/total_vec_seq.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn map_ref<F: Fn(&T) -> T>(&self, op: F) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_on_failure_unary`
[INFO] [stderr]    --> src/total_vec_set.rs:299:8
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn print_on_failure_unary<E: Debug, R: Eq + Debug>(x: E, expected: R, actual: R) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]   --> src/dedup.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary_element_test`
[INFO] [stderr]   --> src/obey.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn unary_element_test<C, K, V>(a: &C, r: C, op: impl Fn(V) -> V) -> bool
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assert_invariants`
[INFO] [stderr]   --> src/small_vec_builder.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn assert_invariants(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `target_slice`
[INFO] [stderr]   --> src/small_vec_builder.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn target_slice(&self) -> &[A::Item] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_mut_slice`
[INFO] [stderr]    --> src/small_vec_builder.rs:345:5
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn as_mut_slice(&mut self) -> &mut [A::Item] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:63
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                               ^^^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:74
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                                          ^^^^^^^^^
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `"docker" "inspect" "e57dc598ffebe0cf347a235c2d10801bc02f12bb43d32ba575148574f83d557b"`
[INFO] running `"docker" "rm" "-f" "e57dc598ffebe0cf347a235c2d10801bc02f12bb43d32ba575148574f83d557b"`
[INFO] [stdout] e57dc598ffebe0cf347a235c2d10801bc02f12bb43d32ba575148574f83d557b
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 83a4f769260dd9be6d5c4a93225e15f92fa0beee160c0231a40ed5a6e3aa178a
[INFO] running `"docker" "start" "-a" "83a4f769260dd9be6d5c4a93225e15f92fa0beee160c0231a40ed5a6e3aa178a"`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/small_vec_builder.rs:180:57
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let v = std::mem::replace(&mut self.v, unsafe { std::mem::uninitialized() });
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map_ref`
[INFO] [stderr]    --> src/total_vec_seq.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn map_ref<F: Fn(&T) -> T>(&self, op: F) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]   --> src/dedup.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assert_invariants`
[INFO] [stderr]   --> src/small_vec_builder.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn assert_invariants(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `target_slice`
[INFO] [stderr]   --> src/small_vec_builder.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn target_slice(&self) -> &[A::Item] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `skip`
[INFO] [stderr]    --> src/small_vec_builder.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn skip(&mut self, n: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `take`
[INFO] [stderr]    --> src/small_vec_builder.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn take(&mut self, n: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_mut_slice`
[INFO] [stderr]    --> src/small_vec_builder.rs:345:5
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn as_mut_slice(&mut self) -> &mut [A::Item] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:63
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                               ^^^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:74
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                                          ^^^^^^^^^
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/small_vec_builder.rs:180:57
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let v = std::mem::replace(&mut self.v, unsafe { std::mem::uninitialized() });
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map_ref`
[INFO] [stderr]    --> src/total_vec_seq.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn map_ref<F: Fn(&T) -> T>(&self, op: F) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_on_failure_unary`
[INFO] [stderr]    --> src/total_vec_set.rs:299:8
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn print_on_failure_unary<E: Debug, R: Eq + Debug>(x: E, expected: R, actual: R) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]   --> src/dedup.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary_element_test`
[INFO] [stderr]   --> src/obey.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn unary_element_test<C, K, V>(a: &C, r: C, op: impl Fn(V) -> V) -> bool
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assert_invariants`
[INFO] [stderr]   --> src/small_vec_builder.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn assert_invariants(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `target_slice`
[INFO] [stderr]   --> src/small_vec_builder.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn target_slice(&self) -> &[A::Item] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_mut_slice`
[INFO] [stderr]    --> src/small_vec_builder.rs:345:5
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn as_mut_slice(&mut self) -> &mut [A::Item] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:63
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                               ^^^^^^^^^
[INFO] [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
[INFO] [stderr]    --> src/total_vec_map.rs:137:74
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr: Array> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                                                                          ^^^^^^^^^
[INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr]     |
[INFO] [stderr] 137 | type PairMergeState2<'a, Arr> = SmallVecMergeState<'a, Arr::Item, Arr::Item, Arr>;
[INFO] [stderr]     |                            --
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vec_collections-79b3b592eb26fd81
[INFO] [stdout] 
[INFO] [stdout] running 72 tests
[INFO] [stdout] test small_vec_builder::tests::source_move_all ... ok
[INFO] [stdout] test small_vec_builder::tests::drop_just_source ... ok
[INFO] [stdout] test small_vec_builder::tests::target_push_gap ... ok
[INFO] [stdout] test small_vec_builder::tests::source_pop_some ... ok
[INFO] [stdout] test small_vec_builder::tests::source_move_some ... ok
[INFO] [stdout] test small_vec_builder::tests::source_drop_all ... ok
[INFO] [stdout] test dedup::tests::sort_and_dedup_by_test ... ok
[INFO] [stdout] test small_vec_builder::tests::source_drop_some ... ok
[INFO] [stdout] test dedup::tests::sort_and_dedup_check ... ok
[INFO] [stdout] test total_vec_seq::tests::usage ... ok
[INFO] [stdout] test total_vec_map::tests::prop_operating_identity_element_is_noop_additive ... ok
[INFO] [stdout] test total_vec_map::tests::index ... ok
[INFO] [stdout] test total_vec_map::tests::prop_is_commutative ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_empty_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::all_is_all ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_symmetric ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_all_all ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_assign_consistent ... ok
[INFO] [stdout] test dedup::tests::dsort_and_dedup_by_check ... ok
[INFO] [stdout] test total_vec_set::tests::not_not_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_empty_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_empty_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_all_not ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_assign_consistent ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_assign_consistent ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_symmetric ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_all_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::is_disjoint_sample ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_symmetric ... ok
[INFO] [stdout] test vec_map::tests::smoke_test ... ok
[INFO] [stdout] test total_vec_set::tests::sub_all_not ... ok
[INFO] [stdout] test total_vec_set::tests::sub_bitand_not ... ok
[INFO] [stdout] test total_vec_set::tests::diff_sample ... ok
[INFO] [stdout] test total_vec_set::tests::is_subset_sample ... ok
[INFO] [stdout] test total_vec_set::tests::sub_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::bitand_empty_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::xor_sample ... ok
[INFO] [stdout] test total_vec_set::tests::intersection_sample ... ok
[INFO] [stdout] test total_vec_set::tests::union_sample ... ok
[INFO] [stdout] test total_vec_map::tests::prop_is_associative_additive ... ok
[INFO] [stdout] test vec_set::test::bitxor_empty_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::sub_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::bitor_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::bitand_symmetric ... ok
[INFO] [stdout] test vec_set::test::bitxor_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::empty_is_empty_consistent ... ok
[INFO] [stdout] test vec_set::test::bitor_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::bitand_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::bitxor_symmetric ... ok
[INFO] [stdout] test total_vec_map::tests::supremum ... ok
[INFO] [stdout] test vec_set::test::contains ... ok
[INFO] [stdout] test vec_set::test::is_subset_bitand_consistent ... ok
[INFO] [stdout] test vec_set::test::bitor_symmetric ... ok
[INFO] [stdout] test vec_map::tests::inner_join ... ok
[INFO] [stdout] test vec_set::test::sub_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::is_disjoint_bitand_consistent ... ok
[INFO] [stdout] test vec_set::test::is_subset_is_superset_consistent ... ok
[INFO] [stdout] test vec_set::test::difference ... ok
[INFO] [stdout] test vec_set::test::sub_assign_consistent ... ok
[INFO] [stdout] test total_vec_map::tests::infimum ... ok
[INFO] [stdout] test vec_set::test::is_disjoint ... ok
[INFO] [stdout] test vec_set::test::is_disjoint_sample ... ok
[INFO] [stdout] test vec_set::test::is_subset ... ok
[INFO] [stdout] test vec_set::test::intersection ... ok
[INFO] [stdout] test vec_map::tests::outer_join ... ok
[INFO] [stdout] test vec_set::test::union ... ok
[INFO] [stdout] test vec_set::test::diff_sample ... ok
[INFO] [stdout] test vec_set::test::intersection_sample ... ok
[INFO] [stdout] test vec_set::test::xor ... ok
[INFO] [stdout] test vec_set::test::is_subset_sample ... ok
[INFO] [stdout] test vec_set::test::union_sample ... ok
[INFO] [stdout] test vec_set::test::xor_sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec-collections
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "83a4f769260dd9be6d5c4a93225e15f92fa0beee160c0231a40ed5a6e3aa178a"`
[INFO] running `"docker" "rm" "-f" "83a4f769260dd9be6d5c4a93225e15f92fa0beee160c0231a40ed5a6e3aa178a"`
[INFO] [stdout] 83a4f769260dd9be6d5c4a93225e15f92fa0beee160c0231a40ed5a6e3aa178a