[INFO] fetching crate slice-deque 0.3.0...
[INFO] testing slice-deque-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate slice-deque 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate slice-deque 0.3.0
[INFO] finished tweaking crates.io crate slice-deque 0.3.0
[INFO] tweaked toml for crates.io crate slice-deque 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slice-deque 0.3.0 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 5 packages to latest compatible versions
[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] warning: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.3.2
[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] f5749c2f9bc8c586a69d4be71bae661661c867daa4c0d6b678d149ac682f79a3
[INFO] running `Command { std: "docker" "start" "-a" "f5749c2f9bc8c586a69d4be71bae661661c867daa4c0d6b678d149ac682f79a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5749c2f9bc8c586a69d4be71bae661661c867daa4c0d6b678d149ac682f79a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5749c2f9bc8c586a69d4be71bae661661c867daa4c0d6b678d149ac682f79a3", kill_on_drop: false }`
[INFO] [stdout] f5749c2f9bc8c586a69d4be71bae661661c867daa4c0d6b678d149ac682f79a3
[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] 0fe79ca798469b1855c400ce23e1b2b61ac182ac96b564be2a57976ad2cc1c5b
[INFO] running `Command { std: "docker" "start" "-a" "0fe79ca798469b1855c400ce23e1b2b61ac182ac96b564be2a57976ad2cc1c5b", kill_on_drop: false }`
[INFO] [stderr] warning: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling slice-deque v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     feature = "unstable",
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `unstable` 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]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]    --> src/lib.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 | #![cfg_attr(all(test, feature = "unstable"), feature(box_syntax))]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `unstable` 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: `bytes_buf`
[INFO] [stdout]    --> src/lib.rs:162:11
[INFO] [stdout]     |
[INFO] [stdout] 162 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `bytes_buf` 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: `bytes_buf`
[INFO] [stdout]    --> src/lib.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 168 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `bytes_buf` 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: `unstable`
[INFO] [stdout]    --> src/lib.rs:175:7
[INFO] [stdout]     |
[INFO] [stdout] 175 | #[cfg(feature = "unstable")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]    --> src/lib.rs:179:11
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]    --> src/lib.rs:212:11
[INFO] [stdout]     |
[INFO] [stdout] 212 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]    --> src/lib.rs:229:7
[INFO] [stdout]     |
[INFO] [stdout] 229 | #[cfg(feature = "unstable")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]     = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2266:7
[INFO] [stdout]      |
[INFO] [stdout] 2266 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2274:7
[INFO] [stdout]      |
[INFO] [stdout] 2274 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2428:7
[INFO] [stdout]      |
[INFO] [stdout] 2428 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2436:7
[INFO] [stdout]      |
[INFO] [stdout] 2436 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2439:7
[INFO] [stdout]      |
[INFO] [stdout] 2439 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2453:7
[INFO] [stdout]      |
[INFO] [stdout] 2453 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2466:11
[INFO] [stdout]      |
[INFO] [stdout] 2466 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2618:7
[INFO] [stdout]      |
[INFO] [stdout] 2618 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2659:7
[INFO] [stdout]      |
[INFO] [stdout] 2659 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2691:11
[INFO] [stdout]      |
[INFO] [stdout] 2691 | #[cfg(not(feature = "unstable"))]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2706:7
[INFO] [stdout]      |
[INFO] [stdout] 2706 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2721:7
[INFO] [stdout]      |
[INFO] [stdout] 2721 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2802:7
[INFO] [stdout]      |
[INFO] [stdout] 2802 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2833:7
[INFO] [stdout]      |
[INFO] [stdout] 2833 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2840:7
[INFO] [stdout]      |
[INFO] [stdout] 2840 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2894:7
[INFO] [stdout]      |
[INFO] [stdout] 2894 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2898:7
[INFO] [stdout]      |
[INFO] [stdout] 2898 | #[cfg(feature = "unstable")]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `bytes_buf`
[INFO] [stdout]     --> src/lib.rs:3073:11
[INFO] [stdout]      |
[INFO] [stdout] 3073 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `bytes_buf` 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: `bytes_buf`
[INFO] [stdout]     --> src/lib.rs:3105:11
[INFO] [stdout]      |
[INFO] [stdout] 3105 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `bytes_buf` 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: `bytes_buf`
[INFO] [stdout]     --> src/lib.rs:3114:11
[INFO] [stdout]      |
[INFO] [stdout] 3114 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `bytes_buf` 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: `bytes_buf`
[INFO] [stdout]     --> src/lib.rs:3123:11
[INFO] [stdout]      |
[INFO] [stdout] 3123 | #[cfg(all(feature = "bytes_buf", feature = "use_std"))]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `bytes_buf` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2829 | impl_spec_from_elem!(i8, |x| x == 0);
[INFO] [stdout]      | ------------------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2830 | impl_spec_from_elem!(i16, |x| x == 0);
[INFO] [stdout]      | ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2831 | impl_spec_from_elem!(i32, |x| x == 0);
[INFO] [stdout]      | ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2832 | impl_spec_from_elem!(i64, |x| x == 0);
[INFO] [stdout]      | ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2835 | impl_spec_from_elem!(isize, |x| x == 0);
[INFO] [stdout]      | --------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2837 | impl_spec_from_elem!(u16, |x| x == 0);
[INFO] [stdout]      | ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2838 | impl_spec_from_elem!(u32, |x| x == 0);
[INFO] [stdout]      | ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2839 | impl_spec_from_elem!(u64, |x| x == 0);
[INFO] [stdout]      | ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2842 | impl_spec_from_elem!(usize, |x| x == 0);
[INFO] [stdout]      | --------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2844 | impl_spec_from_elem!(f32, |x: f32| x == 0. && x.is_sign_positive());
[INFO] [stdout]      | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:2817:15
[INFO] [stdout]      |
[INFO] [stdout] 2817 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2845 | impl_spec_from_elem!(f64, |x: f64| x == 0. && x.is_sign_positive());
[INFO] [stdout]      | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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]      = note: this warning originates in the macro `impl_spec_from_elem` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `unstable`
[INFO] [stdout]     --> src/lib.rs:1888:15
[INFO] [stdout]      |
[INFO] [stdout] 1888 |         #[cfg(feature = "unstable")]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:1892:19
[INFO] [stdout]      |
[INFO] [stdout] 1892 |         #[cfg(not(feature = "unstable"))]
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2303:11
[INFO] [stdout]      |
[INFO] [stdout] 2303 |     #[cfg(feature = "unstable")]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2597:11
[INFO] [stdout]      |
[INFO] [stdout] 2597 |     #[cfg(feature = "unstable")]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2602:11
[INFO] [stdout]      |
[INFO] [stdout] 2602 |     #[cfg(feature = "unstable")]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2607:15
[INFO] [stdout]      |
[INFO] [stdout] 2607 |     #[cfg(not(feature = "unstable"))]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2612:15
[INFO] [stdout]      |
[INFO] [stdout] 2612 |     #[cfg(not(feature = "unstable"))]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2787:11
[INFO] [stdout]      |
[INFO] [stdout] 2787 |     #[cfg(feature = "unstable")]
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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: `unstable`
[INFO] [stdout]     --> src/lib.rs:2794:15
[INFO] [stdout]      |
[INFO] [stdout] 2794 |     #[cfg(not(feature = "unstable"))]
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected values for `feature` are: `default`, `unix_sysv`, and `use_std`
[INFO] [stdout]      = help: consider adding `unstable` 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] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:785:21
[INFO] [stdout]     |
[INFO] [stdout] 785 |         let count = (*other).len();
[INFO] [stdout]     |                     ^^-----^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this raw pointer has type `*const [T]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[T]`
[INFO] [stdout]    --> src/lib.rs:785:21
[INFO] [stdout]     |
[INFO] [stdout] 785 |         let count = (*other).len();
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/slice/mod.rs:114:4
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 785 |         let count = (&(*other)).len();
[INFO] [stdout]     |                     ++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1222:21
[INFO] [stdout]      |
[INFO] [stdout] 1222 |     pub fn drain<R>(&mut self, range: R) -> Drain<T>
[INFO] [stdout]      |                     ^^^^^^^^^               ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1222 |     pub fn drain<R>(&mut self, range: R) -> Drain<'_, T>
[INFO] [stdout]      |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1770:9
[INFO] [stdout]      |
[INFO] [stdout] 1770 |         &mut self, range: R, replace_with: I,
[INFO] [stdout]      |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 1771 |     ) -> Splice<I::IntoIter>
[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] 1771 |     ) -> Splice<'_, I::IntoIter>
[INFO] [stdout]      |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/lib.rs:1842:28
[INFO] [stdout]      |
[INFO] [stdout] 1842 |     pub fn drain_filter<F>(&mut self, filter: F) -> DrainFilter<T, F>
[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] 1842 |     pub fn drain_filter<F>(&mut self, filter: F) -> DrainFilter<'_, T, F>
[INFO] [stdout]      |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slice-deque` (lib) due to 1 previous error; 52 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0fe79ca798469b1855c400ce23e1b2b61ac182ac96b564be2a57976ad2cc1c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe79ca798469b1855c400ce23e1b2b61ac182ac96b564be2a57976ad2cc1c5b", kill_on_drop: false }`
[INFO] [stdout] 0fe79ca798469b1855c400ce23e1b2b61ac182ac96b564be2a57976ad2cc1c5b
