[INFO] fetching crate vec-collections 0.4.3...
[INFO] testing vec-collections-0.4.3 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate vec-collections 0.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vec-collections 0.4.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vec-collections 0.4.3
[INFO] tweaked toml for crates.io crate vec-collections 0.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec-collections 0.4.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vec-collections 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.6.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594
[INFO] running `Command { std: "docker" "start" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling binary-merge v0.1.2
[INFO] [stderr]    Compiling sorted-iter v0.1.8
[INFO] [stderr]    Compiling inplace-vec-builder v0.1.1
[INFO] [stderr]    Compiling vec-collections v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub use macros::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombineOp` is never constructed
[INFO] [stdout]    --> src/vec_map.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct CombineOp<F, K>(F, std::marker::PhantomData<K>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vec_map.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<(K, V)>> {
[INFO] [stdout]    |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<'_, (K, V)>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<T>> {
[INFO] [stdout]     |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<A::Item>> {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<'_, A::Item>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
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[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
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[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling instant v0.1.12
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[INFO] [stderr]    Compiling regex-automata v0.1.10
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[INFO] [stderr]    Compiling bstr v0.2.17
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling lock_api v0.4.5
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[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling rkyv v0.7.25
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling hexdump v0.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling obey v0.1.0
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stderr]    Compiling stats_alloc v0.1.8
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub use macros::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombineOp` is never constructed
[INFO] [stdout]    --> src/vec_map.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct CombineOp<F, K>(F, std::marker::PhantomData<K>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vec_map.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<(K, V)>> {
[INFO] [stdout]    |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<'_, (K, V)>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<T>> {
[INFO] [stdout]     |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<A::Item>> {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<'_, A::Item>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.7
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ptr_meta v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.7.25
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling vec-collections v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `macros::*`
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub use macros::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombineOp` is never constructed
[INFO] [stdout]    --> src/vec_map.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct CombineOp<F, K>(F, std::marker::PhantomData<K>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vec_map.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<(K, V)>> {
[INFO] [stdout]    |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<'_, (K, V)>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<T>> {
[INFO] [stdout]     |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<'_, T>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vec_set.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<A::Item>> {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<'_, A::Item>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `macros::*`
[INFO] [stderr]   --> src/lib.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub use macros::*;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CombineOp` is never constructed
[INFO] [stderr]    --> src/vec_map.rs:204:8
[INFO] [stderr]     |
[INFO] [stderr] 204 | struct CombineOp<F, K>(F, std::marker::PhantomData<K>);
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/vec_map.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<(K, V)>> {
[INFO] [stderr]    |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn iter(&self) -> VecMapIter<core::slice::Iter<'_, (K, V)>> {
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/vec_set.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<T>> {
[INFO] [stderr]     |             ^^^^^                ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn iter(&self) -> VecSetIter<core::slice::Iter<'_, T>> {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/vec_set.rs:272:17
[INFO] [stderr]     |
[INFO] [stderr] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<A::Item>> {
[INFO] [stderr]     |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 272 |     pub fn iter(&self) -> VecSetIter<core::slice::Iter<'_, A::Item>> {
[INFO] [stderr]     |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `vec-collections` (lib) generated 5 warnings (run `cargo fix --lib -p vec-collections` to apply 4 suggestions)
[INFO] [stderr] warning: `vec-collections` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_collections-7533e383fd0abd5e)
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test dedup::tests::sort_and_dedup_by_test ... ok
[INFO] [stdout] test macros::tests::vecset_macro ... ok
[INFO] [stdout] test macros::tests::vecmap_macro ... ok
[INFO] [stdout] test dedup::tests::dedup_by ... ok
[INFO] [stdout] test vec_map::tests::smoke_test ... ok
[INFO] [stdout] test dedup::tests::sort_and_dedup_check ... ok
[INFO] [stdout] test vec_set::test::bitand_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::bitand_symmetric ... ok
[INFO] [stdout] test dedup::tests::sort_and_dedup_by_check ... ok
[INFO] [stdout] test vec_set::test::bitand_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::bitor_empty_neutral ... ok
[INFO] [stdout] test vec_map::tests::inner_join ... ok
[INFO] [stdout] test vec_set::test::bitor_symmetric ... ok
[INFO] [stdout] test vec_map::tests::serde_roundtrip ... ok
[INFO] [stdout] test vec_set::test::bitxor_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::drop_pointer_being_freed_was_not_allocated ... ok
[INFO] [stdout] test vec_set::test::bitxor_assign_consistent ... ok
[INFO] [stdout] test vec_map::tests::outer_join ... ok
[INFO] [stdout] test vec_set::test::contains ... ok
[INFO] [stdout] test vec_set::test::empty_is_empty_consistent ... ok
[INFO] [stdout] test vec_set::test::bitxor_symmetric ... ok
[INFO] [stdout] test vec_set::test::bitor_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::intersection ... ok
[INFO] [stdout] test vec_set::test::diff_sample ... ok
[INFO] [stdout] test vec_set::test::is_disjoint_bitand_consistent ... ok
[INFO] [stdout] test vec_set::test::difference ... ok
[INFO] [stdout] test vec_set::test::is_subset_is_superset_consistent ... ok
[INFO] [stdout] test vec_set::test::is_disjoint ... ok
[INFO] [stdout] test vec_set::test::intersection_sample ... ok
[INFO] [stdout] test vec_set::test::sub_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::sub_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::serde_roundtrip ... ok
[INFO] [stdout] test vec_set::test::is_subset_sample ... ok
[INFO] [stdout] test vec_set::test::is_subset_bitand_consistent ... 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::xor ... ok
[INFO] [stdout] test vec_set::test::union ... 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. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_collections
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/vec_set.rs - vec_set::VecSet (line 66) ... ok
[INFO] [stdout] test src/vec_set.rs - vec_set::VecSet (line 95) ... ok
[INFO] [stdout] test src/vec_set.rs - vec_set::VecSet (line 72) ... ok
[INFO] [stdout] test src/vec_set.rs - vec_set::VecSet (line 82) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594", kill_on_drop: false }`
[INFO] [stdout] 07fda04f95948fdadfc2dae52acb25f95526295304e946877c9b6cd442a8d594
