[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] checking rklaehn/vec-collections against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fvec-collections" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rklaehn/vec-collections on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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-1/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 209fe5d58f24e14084e5fd5176466b8e2a238a7427dcd4713fe843a98f24695b
[INFO] running `"docker" "start" "-a" "209fe5d58f24e14084e5fd5176466b8e2a238a7427dcd4713fe843a98f24695b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
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[INFO] [stderr]     Checking atty v0.2.13
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking 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: associated function 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: associated function 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: associated function 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: associated function 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: associated function 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: associated function 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]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.3.0
[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: associated function 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: associated function 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: associated function 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: associated function 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 dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `"docker" "inspect" "209fe5d58f24e14084e5fd5176466b8e2a238a7427dcd4713fe843a98f24695b"`
[INFO] running `"docker" "rm" "-f" "209fe5d58f24e14084e5fd5176466b8e2a238a7427dcd4713fe843a98f24695b"`
[INFO] [stdout] 209fe5d58f24e14084e5fd5176466b8e2a238a7427dcd4713fe843a98f24695b