[INFO] fetching crate drogue-tls 0.6.0...
[INFO] documenting drogue-tls-0.6.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate drogue-tls 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate drogue-tls 0.6.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate drogue-tls 0.6.0
[INFO] finished tweaking crates.io crate drogue-tls 0.6.0
[INFO] tweaked toml for crates.io crate drogue-tls 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded p256 v0.10.1
[INFO] [stderr]   Downloaded ff v0.11.1
[INFO] [stderr]   Downloaded elliptic-curve v0.11.12
[INFO] [stderr]   Downloaded group v0.11.0
[INFO] [stderr]   Downloaded sec1 v0.2.1
[INFO] [stderr]   Downloaded pem-parser v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d161abd35f1dc97a38f24f4051bf0b4ff5879bcf8b95479923957bd6b0d304b
[INFO] running `Command { std: "docker" "start" "-a" "9d161abd35f1dc97a38f24f4051bf0b4ff5879bcf8b95479923957bd6b0d304b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d161abd35f1dc97a38f24f4051bf0b4ff5879bcf8b95479923957bd6b0d304b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d161abd35f1dc97a38f24f4051bf0b4ff5879bcf8b95479923957bd6b0d304b", kill_on_drop: false }`
[INFO] [stdout] 9d161abd35f1dc97a38f24f4051bf0b4ff5879bcf8b95479923957bd6b0d304b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37eba6bc9deeb8390603b293c1aee1d00c53049615a1fd78721899e9c8ee1dd7
[INFO] running `Command { std: "docker" "start" "-a" "37eba6bc9deeb8390603b293c1aee1d00c53049615a1fd78721899e9c8ee1dd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling defmt-macros v0.3.7
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling defmt v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking sec1 v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ff v0.11.1
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking elliptic-curve v0.11.12
[INFO] [stderr]     Checking p256 v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[INFO] [stderr]  Documenting drogue-tls v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "async", feature(generic_associated_types))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "async", feature(type_alias_impl_trait))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/lib.rs:130:32
[INFO] [stdout]     |
[INFO] [stdout] 130 |         type WriteFuture<'m> = impl Future<Output = Result<usize, TlsError>> + 'm where Self: 'm;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/lib.rs:142:31
[INFO] [stdout]     |
[INFO] [stdout] 142 |         type ReadFuture<'m> = impl Future<Output = Result<usize, TlsError>> + 'm where Self: 'm;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `drogue-tls`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name drogue_tls src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="async"' --cfg 'feature="default"' --cfg 'feature="log"' --cfg 'feature="std"' --cfg 'feature="tokio"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=26ccdf88f7246b53 -L dependency=/opt/rustwide/target/debug/deps --extern aes_gcm=/opt/rustwide/target/debug/deps/libaes_gcm-a65b565c9f4cb2b0.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-e0011ced2b94a7f8.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-e694740a252b1df6.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-164c742a5378b26c.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-3c0dba8854a4d9c3.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-3eff30ab527ff11c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7fe0807640814e58.rmeta --extern p256=/opt/rustwide/target/debug/deps/libp256-b3d10bb5d78770c4.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-60b077b8055f6ff2.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-c243f481b00fa9d7.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ec4517d05df7b101.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-a22c9e237c9da55d.rmeta --cap-lints=warn --crate-version 0.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "37eba6bc9deeb8390603b293c1aee1d00c53049615a1fd78721899e9c8ee1dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37eba6bc9deeb8390603b293c1aee1d00c53049615a1fd78721899e9c8ee1dd7", kill_on_drop: false }`
[INFO] [stdout] 37eba6bc9deeb8390603b293c1aee1d00c53049615a1fd78721899e9c8ee1dd7
[INFO] documenting drogue-tls-0.6.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate drogue-tls 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate drogue-tls 0.6.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate drogue-tls 0.6.0
[INFO] finished tweaking crates.io crate drogue-tls 0.6.0
[INFO] tweaked toml for crates.io crate drogue-tls 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bf069ac1adc73d71f5bab7ad9fac2b9cb0fcfcc5ae15906a4b7dc93344ef2ff
[INFO] running `Command { std: "docker" "start" "-a" "0bf069ac1adc73d71f5bab7ad9fac2b9cb0fcfcc5ae15906a4b7dc93344ef2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bf069ac1adc73d71f5bab7ad9fac2b9cb0fcfcc5ae15906a4b7dc93344ef2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf069ac1adc73d71f5bab7ad9fac2b9cb0fcfcc5ae15906a4b7dc93344ef2ff", kill_on_drop: false }`
[INFO] [stdout] 0bf069ac1adc73d71f5bab7ad9fac2b9cb0fcfcc5ae15906a4b7dc93344ef2ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 861720922bad484fc133fa5bf32050321f6f9138c0d67a7f83b83ec3b687de2b
[INFO] running `Command { std: "docker" "start" "-a" "861720922bad484fc133fa5bf32050321f6f9138c0d67a7f83b83ec3b687de2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]    Compiling defmt-macros v0.3.7
[INFO] [stderr]    Compiling defmt v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking sec1 v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ff v0.11.1
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking elliptic-curve v0.11.12
[INFO] [stderr]     Checking p256 v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[INFO] [stderr]  Documenting drogue-tls v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "async", feature(generic_associated_types))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "async", feature(type_alias_impl_trait))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/lib.rs:130:32
[INFO] [stdout]     |
[INFO] [stdout] 130 |         type WriteFuture<'m> = impl Future<Output = Result<usize, TlsError>> + 'm where Self: 'm;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/lib.rs:142:31
[INFO] [stdout]     |
[INFO] [stdout] 142 |         type ReadFuture<'m> = impl Future<Output = Result<usize, TlsError>> + 'm where Self: 'm;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `drogue-tls`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name drogue_tls src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="async"' --cfg 'feature="default"' --cfg 'feature="log"' --cfg 'feature="std"' --cfg 'feature="tokio"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fe05ab526eb9ae20 -L dependency=/opt/rustwide/target/debug/deps --extern aes_gcm=/opt/rustwide/target/debug/deps/libaes_gcm-b1e3744b870d74fa.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-000387ac9dc49f8b.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-e03277e25f26d71b.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-b46e0667a5db9df2.rmeta --extern hkdf=/opt/rustwide/target/debug/deps/libhkdf-4c738eeecbf00349.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-2263dc081d0fde2b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7502f808f5fce876.rmeta --extern p256=/opt/rustwide/target/debug/deps/libp256-b4b3e69ed0517948.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-eb79b0f95bf1d57f.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-85abf487debc7d1f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d28b8409f2e8308b.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-1e2cd9ab4b50c143.rmeta --cap-lints=warn --crate-version 0.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "861720922bad484fc133fa5bf32050321f6f9138c0d67a7f83b83ec3b687de2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861720922bad484fc133fa5bf32050321f6f9138c0d67a7f83b83ec3b687de2b", kill_on_drop: false }`
[INFO] [stdout] 861720922bad484fc133fa5bf32050321f6f9138c0d67a7f83b83ec3b687de2b
