[INFO] fetching crate pui-arena 0.5.1...
[INFO] building pui-arena-0.5.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate pui-arena 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pui-arena 0.5.1
[INFO] finished tweaking crates.io crate pui-arena 0.5.1
[INFO] tweaked toml for crates.io crate pui-arena 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pui-arena 0.5.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pui-vec v0.5.1
[INFO] [stderr]   Downloaded radium v0.6.2
[INFO] [stderr]   Downloaded pui-core v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de3318503c4da16148bf9c4b731fcd3d985b611766dbc31f5235275327f1a813
[INFO] running `Command { std: "docker" "start" "-a" "de3318503c4da16148bf9c4b731fcd3d985b611766dbc31f5235275327f1a813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de3318503c4da16148bf9c4b731fcd3d985b611766dbc31f5235275327f1a813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3318503c4da16148bf9c4b731fcd3d985b611766dbc31f5235275327f1a813", kill_on_drop: false }`
[INFO] [stdout] de3318503c4da16148bf9c4b731fcd3d985b611766dbc31f5235275327f1a813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a406d5328d85807a42324c94641811e8d4a5e970bcae9bfafbca0297c3bb816
[INFO] running `Command { std: "docker" "start" "-a" "3a406d5328d85807a42324c94641811e8d4a5e970bcae9bfafbca0297c3bb816", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling pui-core v0.5.2
[INFO] [stderr]    Compiling pui-vec v0.5.1
[INFO] [stderr]    Compiling pui-arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `UB_DEBUG`
[INFO] [stdout]    --> src/base/hop/imp.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |             #[cfg(all(UB_DEBUG, not(miri)))]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(UB_DEBUG)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(UB_DEBUG)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:479:68
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout]     |                                                   --               ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 479 -     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout] 479 +     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'a, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:525:74
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout]     |                                                      --                  ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 525 -     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout] 525 +     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:535:85
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout]     |                                                          --                         ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 535 -     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout] 535 +     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/dense.rs:639:36
[INFO] [stdout]     |
[INFO] [stdout] 639 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/sparse.rs:527:36
[INFO] [stdout]     |
[INFO] [stdout] 527 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "3a406d5328d85807a42324c94641811e8d4a5e970bcae9bfafbca0297c3bb816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a406d5328d85807a42324c94641811e8d4a5e970bcae9bfafbca0297c3bb816", kill_on_drop: false }`
[INFO] [stdout] 3a406d5328d85807a42324c94641811e8d4a5e970bcae9bfafbca0297c3bb816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f36e869a8212742a352ff475bda6b4ebb3780745a46b5cfa6d124b9041b6cb69
[INFO] running `Command { std: "docker" "start" "-a" "f36e869a8212742a352ff475bda6b4ebb3780745a46b5cfa6d124b9041b6cb69", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stdout] warning: unexpected `cfg` condition name: `UB_DEBUG`
[INFO] [stdout]    --> src/base/hop/imp.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |             #[cfg(all(UB_DEBUG, not(miri)))]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(UB_DEBUG)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(UB_DEBUG)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:479:68
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout]     |                                                   --               ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 479 -     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout] 479 +     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'a, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:525:74
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout]     |                                                      --                  ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 525 -     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout] 525 +     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:535:85
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout]     |                                                          --                         ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 535 -     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout] 535 +     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/dense.rs:639:36
[INFO] [stdout]     |
[INFO] [stdout] 639 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/sparse.rs:527:36
[INFO] [stdout]     |
[INFO] [stdout] 527 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling pui-arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `UB_DEBUG`
[INFO] [stdout]    --> src/base/hop/imp.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |             #[cfg(all(UB_DEBUG, not(miri)))]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(UB_DEBUG)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(UB_DEBUG)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:479:68
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout]     |                                                   --               ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 479 -     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout] 479 +     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'a, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:525:74
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout]     |                                                      --                  ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 525 -     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout] 525 +     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:535:85
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout]     |                                                          --                         ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 535 -     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout] 535 +     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/dense.rs:639:36
[INFO] [stdout]     |
[INFO] [stdout] 639 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/sparse.rs:527:36
[INFO] [stdout]     |
[INFO] [stdout] 527 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.63s
[INFO] running `Command { std: "docker" "inspect" "f36e869a8212742a352ff475bda6b4ebb3780745a46b5cfa6d124b9041b6cb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36e869a8212742a352ff475bda6b4ebb3780745a46b5cfa6d124b9041b6cb69", kill_on_drop: false }`
[INFO] [stdout] f36e869a8212742a352ff475bda6b4ebb3780745a46b5cfa6d124b9041b6cb69
