[INFO] fetching crate amadeus-streaming 0.4.3...
[INFO] testing amadeus-streaming-0.4.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate amadeus-streaming 0.4.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate amadeus-streaming 0.4.3
[INFO] finished tweaking crates.io crate amadeus-streaming 0.4.3
[INFO] tweaked toml for crates.io crate amadeus-streaming 0.4.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate amadeus-streaming 0.4.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding protobuf v2.28.0 (available: v3.7.2)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_closure v0.3.3
[INFO] [stderr]   Downloaded serde_closure_derive v0.3.3
[INFO] [stderr]   Downloaded packed_simd v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1c51bea4c17b265ed443b3ff84471d2662c9d5c642fdb5a86c3e57f48584bc7
[INFO] running `Command { std: "docker" "start" "-a" "c1c51bea4c17b265ed443b3ff84471d2662c9d5c642fdb5a86c3e57f48584bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1c51bea4c17b265ed443b3ff84471d2662c9d5c642fdb5a86c3e57f48584bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c51bea4c17b265ed443b3ff84471d2662c9d5c642fdb5a86c3e57f48584bc7", kill_on_drop: false }`
[INFO] [stdout] c1c51bea4c17b265ed443b3ff84471d2662c9d5c642fdb5a86c3e57f48584bc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e792a3406e34d6a6483c06f2d143fdcaa5bb73c3c6da8fc31f7408d8845ab8
[INFO] running `Command { std: "docker" "start" "-a" "b2e792a3406e34d6a6483c06f2d143fdcaa5bb73c3c6da8fc31f7408d8845ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]    Compiling amadeus-streaming v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_closure_derive v0.3.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stdout]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(nightly, feature(unboxed_closures))]
[INFO] [stdout]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/sort.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/sort.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/linked_list.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/ordered_linked_list.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:40:2
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 67 -     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stdout] 67 +     fn into_iter(self) -> vec::IntoIter<T> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 71 - impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout] 71 + impl<T, Idx> ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 75 -     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stdout] 75 +     type Output = <Vec<T> as ops::Index<Idx>>::Output;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 |         std::ops::Index::index(&self.0, index)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 77 -         std::ops::Index::index(&self.0, index)
[INFO] [stdout] 77 +         ops::Index::index(&self.0, index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 80 - impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout] 80 + impl<T, Idx> ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 85 |         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 85 -         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout] 85 +         ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |             #[cfg(nightly)]
[INFO] [stdout]     |                   ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:192:14
[INFO] [stdout]     |
[INFO] [stdout] 192 |             #[cfg(not(nightly))]
[INFO] [stdout]     |                       ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/sort.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 |             if mem::size_of_val(f) != 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 284 -             if mem::size_of_val(f) != 0 {
[INFO] [stdout] 284 +             if size_of_val(f) != 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/top.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn head(&self) -> Option<LinkedListIndex> {
[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] 99 |     pub fn head(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn tail(&self) -> Option<LinkedListIndex> {
[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] 107 |     pub fn tail(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex {
[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] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex {
[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] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:178:22
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stdout]     |                         ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex> {
[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] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex> {
[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] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_linked_list.rs:146:3
[INFO] [stdout]     |
[INFO] [stdout] 146 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 147 |     ) -> OrderedLinkedListIndex {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 147 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_linked_list.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 152 |     ) -> OrderedLinkedListIndex {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 152 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.06s
[INFO] running `Command { std: "docker" "inspect" "b2e792a3406e34d6a6483c06f2d143fdcaa5bb73c3c6da8fc31f7408d8845ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e792a3406e34d6a6483c06f2d143fdcaa5bb73c3c6da8fc31f7408d8845ab8", kill_on_drop: false }`
[INFO] [stdout] b2e792a3406e34d6a6483c06f2d143fdcaa5bb73c3c6da8fc31f7408d8845ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68f2d6a6b9b0c84733e3382ec38e142548f1b298f4d467320a2d4e9ceb696c7
[INFO] running `Command { std: "docker" "start" "-a" "d68f2d6a6b9b0c84733e3382ec38e142548f1b298f4d467320a2d4e9ceb696c7", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stdout]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(nightly, feature(unboxed_closures))]
[INFO] [stdout]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/sort.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/sort.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/linked_list.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/ordered_linked_list.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:40:2
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 67 -     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stdout] 67 +     fn into_iter(self) -> vec::IntoIter<T> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 71 - impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout] 71 + impl<T, Idx> ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 75 -     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stdout] 75 +     type Output = <Vec<T> as ops::Index<Idx>>::Output;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 |         std::ops::Index::index(&self.0, index)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 77 -         std::ops::Index::index(&self.0, index)
[INFO] [stdout] 77 +         ops::Index::index(&self.0, index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 80 - impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout] 80 + impl<T, Idx> ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 85 |         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 85 -         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout] 85 +         ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |             #[cfg(nightly)]
[INFO] [stdout]     |                   ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:192:14
[INFO] [stdout]     |
[INFO] [stdout] 192 |             #[cfg(not(nightly))]
[INFO] [stdout]     |                       ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/sort.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 |             if mem::size_of_val(f) != 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 284 -             if mem::size_of_val(f) != 0 {
[INFO] [stdout] 284 +             if size_of_val(f) != 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/top.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn head(&self) -> Option<LinkedListIndex> {
[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] 99 |     pub fn head(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn tail(&self) -> Option<LinkedListIndex> {
[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] 107 |     pub fn tail(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex {
[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] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex {
[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] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:178:22
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stdout]     |                         ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex> {
[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] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex> {
[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] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_linked_list.rs:146:3
[INFO] [stdout]     |
[INFO] [stdout] 146 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 147 |     ) -> OrderedLinkedListIndex {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 147 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_linked_list.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 152 |     ) -> OrderedLinkedListIndex {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 152 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling amadeus-streaming v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stdout]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(nightly, feature(unboxed_closures))]
[INFO] [stdout]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/sort.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/sort.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]    |
[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(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/linked_list.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/ordered_linked_list.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:40:2
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 67 -     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stdout] 67 +     fn into_iter(self) -> vec::IntoIter<T> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 71 - impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout] 71 + impl<T, Idx> ops::Index<Idx> for FixedCapVec<T>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 75 -     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stdout] 75 +     type Output = <Vec<T> as ops::Index<Idx>>::Output;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:77:3
[INFO] [stdout]    |
[INFO] [stdout] 77 |         std::ops::Index::index(&self.0, index)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 77 -         std::ops::Index::index(&self.0, index)
[INFO] [stdout] 77 +         ops::Index::index(&self.0, index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 80 - impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout] 80 + impl<T, Idx> ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/sample.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 85 |         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 85 -         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout] 85 +         ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 |             #[cfg(nightly)]
[INFO] [stdout]     |                   ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/sort.rs:192:14
[INFO] [stdout]     |
[INFO] [stdout] 192 |             #[cfg(not(nightly))]
[INFO] [stdout]     |                       ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stdout]     |
[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(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/sort.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 |             if mem::size_of_val(f) != 0 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 284 -             if mem::size_of_val(f) != 0 {
[INFO] [stdout] 284 +             if size_of_val(f) != 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `assert`
[INFO] [stdout]   --> src/top.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if !cfg!(feature = "assert") {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stdout]    = help: consider adding `assert` as a feature in `Cargo.toml`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/linked_list.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn head(&self) -> Option<LinkedListIndex> {
[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] 99 |     pub fn head(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn tail(&self) -> Option<LinkedListIndex> {
[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] 107 |     pub fn tail(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex {
[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] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex {
[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] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:178:22
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stdout]     |                         ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linked_list.rs:192:23
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stdout]     |                                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex> {
[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] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex> {
[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] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]    |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ordered_linked_list.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_linked_list.rs:146:3
[INFO] [stdout]     |
[INFO] [stdout] 146 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 147 |     ) -> OrderedLinkedListIndex {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 147 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ordered_linked_list.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 152 |     ) -> OrderedLinkedListIndex {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 152 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "d68f2d6a6b9b0c84733e3382ec38e142548f1b298f4d467320a2d4e9ceb696c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68f2d6a6b9b0c84733e3382ec38e142548f1b298f4d467320a2d4e9ceb696c7", kill_on_drop: false }`
[INFO] [stdout] d68f2d6a6b9b0c84733e3382ec38e142548f1b298f4d467320a2d4e9ceb696c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1b4dfc5733438ecb83d42a134a9c84288a6159a551f41ff969002a57acef10c
[INFO] running `Command { std: "docker" "start" "-a" "f1b4dfc5733438ecb83d42a134a9c84288a6159a551f41ff969002a57acef10c", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/lib.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stderr]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/lib.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 | #![cfg_attr(nightly, feature(unboxed_closures))]
[INFO] [stderr]    |             ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/sort.rs:62:16
[INFO] [stderr]    |
[INFO] [stderr] 62 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stderr]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/sort.rs:90:16
[INFO] [stderr]    |
[INFO] [stderr] 90 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stderr]    |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/sort.rs:106:16
[INFO] [stderr]     |
[INFO] [stderr] 106 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stderr]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/sort.rs:118:16
[INFO] [stderr]     |
[INFO] [stderr] 118 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stderr]     |                ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/sort.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stderr]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/sort.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stderr]     |                    ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `assert`
[INFO] [stderr]   --> src/linked_list.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if !cfg!(feature = "assert") {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stderr]    = help: consider adding `assert` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `assert`
[INFO] [stderr]   --> src/ordered_linked_list.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |         if !cfg!(feature = "assert") {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stderr]    = help: consider adding `assert` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/sample.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     unused_qualifications,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 67 -     fn into_iter(self) -> std::vec::IntoIter<T> {
[INFO] [stderr] 67 +     fn into_iter(self) -> vec::IntoIter<T> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/sample.rs:71:14
[INFO] [stderr]    |
[INFO] [stderr] 71 | impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 71 - impl<T, Idx> std::ops::Index<Idx> for FixedCapVec<T>
[INFO] [stderr] 71 + impl<T, Idx> ops::Index<Idx> for FixedCapVec<T>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/sample.rs:75:16
[INFO] [stderr]    |
[INFO] [stderr] 75 |     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 75 -     type Output = <Vec<T> as std::ops::Index<Idx>>::Output;
[INFO] [stderr] 75 +     type Output = <Vec<T> as ops::Index<Idx>>::Output;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/sample.rs:77:3
[INFO] [stderr]    |
[INFO] [stderr] 77 |         std::ops::Index::index(&self.0, index)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 77 -         std::ops::Index::index(&self.0, index)
[INFO] [stderr] 77 +         ops::Index::index(&self.0, index)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/sample.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 | impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 80 - impl<T, Idx> std::ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stderr] 80 + impl<T, Idx> ops::IndexMut<Idx> for FixedCapVec<T>
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/sample.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 85 -         std::ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stderr] 85 +         ops::IndexMut::index_mut(&mut self.0, index)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/sort.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 |             #[cfg(nightly)]
[INFO] [stderr]     |                   ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]    --> src/sort.rs:192:14
[INFO] [stderr]     |
[INFO] [stderr] 192 |             #[cfg(not(nightly))]
[INFO] [stderr]     |                       ^^^^^^^ help: found config with similar value: `feature = "nightly"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/sort.rs:284:7
[INFO] [stderr]     |
[INFO] [stderr] 284 |             if mem::size_of_val(f) != 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 284 -             if mem::size_of_val(f) != 0 {
[INFO] [stderr] 284 +             if size_of_val(f) != 0 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `assert`
[INFO] [stderr]   --> src/top.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |         if !cfg!(feature = "assert") {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `nightly`, `packed_simd`, and `protobuf`
[INFO] [stderr]    = help: consider adding `assert` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 | #![cfg_attr(nightly, feature(map_first_last))]
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/linked_list.rs:99:14
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn head(&self) -> Option<LinkedListIndex> {
[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] 99 |     pub fn head(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stderr]    |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linked_list.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn tail(&self) -> Option<LinkedListIndex> {
[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] 107 |     pub fn tail(&self) -> Option<LinkedListIndex<'_>> {
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linked_list.rs:122:19
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex {
[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] 122 |     pub fn push_back(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stderr]     |                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linked_list.rs:135:20
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex {
[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] 135 |     pub fn push_front(&mut self, t: T) -> LinkedListIndex<'_> {
[INFO] [stderr]     |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linked_list.rs:178:22
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stderr]     |                         ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 178 |     pub fn insert_after(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stderr]     |                                                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linked_list.rs:192:23
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex {
[INFO] [stderr]     |                          ^^^^^^^^^ the lifetime is elided here       ^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 192 |     pub fn insert_before(&mut self, index: LinkedListIndex, t: T) -> LinkedListIndex<'_> {
[INFO] [stderr]     |                                                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ordered_linked_list.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex> {
[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] 44 |     pub fn head(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stderr]    |                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ordered_linked_list.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex> {
[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] 48 |     pub fn tail(&self) -> Option<OrderedLinkedListIndex<'_>> {
[INFO] [stderr]    |                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ordered_linked_list.rs:59:19
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 59 |     pub fn push_back(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stderr]    |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ordered_linked_list.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex {
[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] 77 |     pub fn push_front(&mut self, t: T) -> OrderedLinkedListIndex<'_> {
[INFO] [stderr]    |                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ordered_linked_list.rs:146:3
[INFO] [stderr]     |
[INFO] [stderr] 146 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 147 |     ) -> OrderedLinkedListIndex {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 147 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stderr]     |                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ordered_linked_list.rs:151:3
[INFO] [stderr]     |
[INFO] [stderr] 151 |         &mut self, _index: OrderedLinkedListIndex, _t: T,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 152 |     ) -> OrderedLinkedListIndex {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 152 |     ) -> OrderedLinkedListIndex<'_> {
[INFO] [stderr]     |                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `amadeus-streaming` (lib) generated 33 warnings (run `cargo fix --lib -p amadeus-streaming` to apply 19 suggestions)
[INFO] [stderr] warning: `amadeus-streaming` (lib test) generated 33 warnings (33 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/amadeus_streaming-bd3df532dfd31071)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test count_min::tests::test_overflow ... ignored
[INFO] [stdout] test distinct::consts::test::ordered ... ok
[INFO] [stdout] test top::test::many ... ignored
[INFO] [stdout] test count_min::tests::test_increment ... ok
[INFO] [stdout] test distinct::test::pow_bithack ... ok
[INFO] [stdout] test distinct::test::hyperloglog_test_simple ... ok
[INFO] [stdout] test distinct::test::hyperloglog_test_merge ... ok
[INFO] [stdout] test top::test::abc ... ok
[INFO] [stdout] test distinct::test::push ... ok
[INFO] [stdout] test count_min::tests::test_increment_multi ... ok
[INFO] [stdout] test sample::test::sample_unstable ... ok
[INFO] [stdout] test sample::test::sample_without_replacement ... ok
[INFO] [stdout] test top::test::top_hll ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 21.29s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests amadeus_streaming
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1b4dfc5733438ecb83d42a134a9c84288a6159a551f41ff969002a57acef10c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b4dfc5733438ecb83d42a134a9c84288a6159a551f41ff969002a57acef10c", kill_on_drop: false }`
[INFO] [stdout] f1b4dfc5733438ecb83d42a134a9c84288a6159a551f41ff969002a57acef10c
