[INFO] fetching crate io-lifetimes 2.0.3...
[INFO] checking io-lifetimes-2.0.3 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate io-lifetimes 2.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate io-lifetimes 2.0.3 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-lifetimes 2.0.3
[INFO] finished tweaking crates.io crate io-lifetimes 2.0.3
[INFO] tweaked toml for crates.io crate io-lifetimes 2.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate io-lifetimes 2.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.4.1
[INFO] [stderr]   Downloaded futures-core v0.3.29
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.89
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 067c13297ebd0be64d62191e48f667278436ebde41ff2cc24351ea24fad79879
[INFO] running `Command { std: "docker" "start" "-a" "067c13297ebd0be64d62191e48f667278436ebde41ff2cc24351ea24fad79879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "067c13297ebd0be64d62191e48f667278436ebde41ff2cc24351ea24fad79879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067c13297ebd0be64d62191e48f667278436ebde41ff2cc24351ea24fad79879", kill_on_drop: false }`
[INFO] [stdout] 067c13297ebd0be64d62191e48f667278436ebde41ff2cc24351ea24fad79879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0570d9b2c9593cef4b1e29079c6b899ef36220ca3414f2201497f17e4226b7b
[INFO] running `Command { std: "docker" "start" "-a" "e0570d9b2c9593cef4b1e29079c6b899ef36220ca3414f2201497f17e4226b7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "e0570d9b2c9593cef4b1e29079c6b899ef36220ca3414f2201497f17e4226b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0570d9b2c9593cef4b1e29079c6b899ef36220ca3414f2201497f17e4226b7b", kill_on_drop: false }`
[INFO] [stdout] e0570d9b2c9593cef4b1e29079c6b899ef36220ca3414f2201497f17e4226b7b
[INFO] checking io-lifetimes-2.0.3 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate io-lifetimes 2.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate io-lifetimes 2.0.3 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-lifetimes 2.0.3
[INFO] finished tweaking crates.io crate io-lifetimes 2.0.3
[INFO] tweaked toml for crates.io crate io-lifetimes 2.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate io-lifetimes 2.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5519d09d8f5359ebe16d2752fa330b8750f184ec696688c6ab8368cdc8a730fa
[INFO] running `Command { std: "docker" "start" "-a" "5519d09d8f5359ebe16d2752fa330b8750f184ec696688c6ab8368cdc8a730fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5519d09d8f5359ebe16d2752fa330b8750f184ec696688c6ab8368cdc8a730fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5519d09d8f5359ebe16d2752fa330b8750f184ec696688c6ab8368cdc8a730fa", kill_on_drop: false }`
[INFO] [stdout] 5519d09d8f5359ebe16d2752fa330b8750f184ec696688c6ab8368cdc8a730fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] b46d71c6c20a1b1b41277d1d572c92adc4add5a89dcb5abf268b1bc7c9acefb1
[INFO] running `Command { std: "docker" "start" "-a" "b46d71c6c20a1b1b41277d1d572c92adc4add5a89dcb5abf268b1bc7c9acefb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `wasi_ext`
[INFO] [stdout]   --> src/lib.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(all(wasi_ext, target_os = "wasi"), feature(wasi_ext))]
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(wasi_ext)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `wasi_ext`
[INFO] [stdout]   --> src/lib.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(all(wasi_ext, target_os = "wasi"), feature(wasi_ext))]
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(wasi_ext)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![cfg_attr(doc_cfg, feature(doc_cfg))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(doc_cfg)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `doc_cfg`
[INFO] [stdout]   --> src/lib.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![cfg_attr(doc_cfg, feature(doc_cfg))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(doc_cfg)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:239:7
[INFO] [stdout]     |
[INFO] [stdout] 239 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:239:7
[INFO] [stdout]     |
[INFO] [stdout] 239 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:242:7
[INFO] [stdout]     |
[INFO] [stdout] 242 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:242:7
[INFO] [stdout]     |
[INFO] [stdout] 242 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:248:7
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:251:7
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:254:7
[INFO] [stdout]     |
[INFO] [stdout] 254 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:248:7
[INFO] [stdout]     |
[INFO] [stdout] 248 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:251:7
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async_std`
[INFO] [stdout]    --> src/views.rs:254:7
[INFO] [stdout]     |
[INFO] [stdout] 254 | #[cfg(feature = "async_std")]
[INFO] [stdout]     |       ^^^^^^^^^^-----------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: there is a expected value with a similar name: `"async-std"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std`, `close`, `default`, `hermit-abi`, `libc`, `mio`, `os_pipe`, `socket2`, `tokio`, `windows-sys`
[INFO] [stdout]     = help: consider adding `async_std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io-lifetimes` (lib test) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `io-lifetimes` (lib) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "b46d71c6c20a1b1b41277d1d572c92adc4add5a89dcb5abf268b1bc7c9acefb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46d71c6c20a1b1b41277d1d572c92adc4add5a89dcb5abf268b1bc7c9acefb1", kill_on_drop: false }`
[INFO] [stdout] b46d71c6c20a1b1b41277d1d572c92adc4add5a89dcb5abf268b1bc7c9acefb1
