[INFO] fetching crate ptproxy 1.1.0...
[INFO] documenting ptproxy-1.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ptproxy 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ptproxy 1.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptproxy 1.1.0
[INFO] finished tweaking crates.io crate ptproxy 1.1.0
[INFO] tweaked toml for crates.io crate ptproxy 1.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate ptproxy 1.1.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sd-notify v0.4.1
[INFO] [stderr]   Downloaded quinn v0.10.1
[INFO] [stderr]   Downloaded h3-quinn v0.0.3
[INFO] [stderr]   Downloaded quinn-udp v0.4.0
[INFO] [stderr]   Downloaded h3 v0.0.2
[INFO] [stderr]   Downloaded quinn-proto v0.10.1
[INFO] [stderr]   Downloaded rustls-webpki v0.101.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd9fba1856240ca1dd52fe8cbc9cbe59f197e59d7bb55b7fc24983a51ff9703
[INFO] running `Command { std: "docker" "start" "-a" "4bd9fba1856240ca1dd52fe8cbc9cbe59f197e59d7bb55b7fc24983a51ff9703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd9fba1856240ca1dd52fe8cbc9cbe59f197e59d7bb55b7fc24983a51ff9703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd9fba1856240ca1dd52fe8cbc9cbe59f197e59d7bb55b7fc24983a51ff9703", kill_on_drop: false }`
[INFO] [stdout] 4bd9fba1856240ca1dd52fe8cbc9cbe59f197e59d7bb55b7fc24983a51ff9703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f32f09bfacf3f41693a8beed2680ae3da13f7e28d95d2947de003d3862c98e5a
[INFO] running `Command { std: "docker" "start" "-a" "f32f09bfacf3f41693a8beed2680ae3da13f7e28d95d2947de003d3862c98e5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking winnow v0.4.9
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex-automata v0.3.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking rustls-webpki v0.101.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking sd-notify v0.4.1
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking quinn-udp v0.4.0
[INFO] [stderr]     Checking quinn-proto v0.10.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking h3 v0.0.2
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking quinn v0.10.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.12
[INFO] [stderr]     Checking h3-quinn v0.0.3
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]  Documenting ptproxy v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks, byte_slice_trim_ascii)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ptproxy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name ptproxy src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=19e605900fcba1fd -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-a147f7542d0a905a.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-dc7d0121dc4358ce.rmeta --extern h3=/opt/rustwide/target/debug/deps/libh3-ed9f375ecd0a3dcf.rmeta --extern h3_quinn=/opt/rustwide/target/debug/deps/libh3_quinn-a4cbd214069df55d.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-3f661875ffe0241f.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-56f71c7655849b65.rmeta --extern quinn=/opt/rustwide/target/debug/deps/libquinn-e67e3b146ec654b1.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d2ddb8b9c8285dd1.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-7360f871b5988db5.rmeta --extern rustls_native_certs=/opt/rustwide/target/debug/deps/librustls_native_certs-37534a438dd536d2.rmeta --extern rustls_pemfile=/opt/rustwide/target/debug/deps/librustls_pemfile-faccfb1573a7a3a3.rmeta --extern sd_notify=/opt/rustwide/target/debug/deps/libsd_notify-3df03c051fd66ecb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dc9aa7c35dd2c932.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-7799da30fcc1662f.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-47e1703ec4aca84d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-9ee113a80d9cfb13.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-5a4823e59b173d8b.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-110b0e4e8195d188.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-28407c00513ae53d.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-70a8e746cd06f4d7.rmeta --cap-lints=warn --crate-version 1.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f32f09bfacf3f41693a8beed2680ae3da13f7e28d95d2947de003d3862c98e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32f09bfacf3f41693a8beed2680ae3da13f7e28d95d2947de003d3862c98e5a", kill_on_drop: false }`
[INFO] [stdout] f32f09bfacf3f41693a8beed2680ae3da13f7e28d95d2947de003d3862c98e5a
[INFO] documenting ptproxy-1.1.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate ptproxy 1.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ptproxy 1.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptproxy 1.1.0
[INFO] finished tweaking crates.io crate ptproxy 1.1.0
[INFO] tweaked toml for crates.io crate ptproxy 1.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate ptproxy 1.1.0 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fef2cb9821c8e8517ded906989961698bba6959fd7ed1a98bcd28eeab551a42
[INFO] running `Command { std: "docker" "start" "-a" "1fef2cb9821c8e8517ded906989961698bba6959fd7ed1a98bcd28eeab551a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fef2cb9821c8e8517ded906989961698bba6959fd7ed1a98bcd28eeab551a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fef2cb9821c8e8517ded906989961698bba6959fd7ed1a98bcd28eeab551a42", kill_on_drop: false }`
[INFO] [stdout] 1fef2cb9821c8e8517ded906989961698bba6959fd7ed1a98bcd28eeab551a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013960f910680216178cf626af1214584c15f34f93495de1d14e1bb6f2a93f4d
[INFO] running `Command { std: "docker" "start" "-a" "013960f910680216178cf626af1214584c15f34f93495de1d14e1bb6f2a93f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking winnow v0.4.9
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking regex-automata v0.3.2
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking sd-notify v0.4.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.1
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking quinn-udp v0.4.0
[INFO] [stderr]     Checking quinn-proto v0.10.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking quinn v0.10.1
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking h3 v0.0.2
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking h3-quinn v0.0.3
[INFO] [stderr]     Checking toml_edit v0.19.12
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]  Documenting ptproxy v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks, byte_slice_trim_ascii)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ptproxy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name ptproxy src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=bc8b0acce0331ba8 -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-dd9fa1fea82c9d3d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-002823a8588eee39.rmeta --extern h3=/opt/rustwide/target/debug/deps/libh3-e2769e856700530c.rmeta --extern h3_quinn=/opt/rustwide/target/debug/deps/libh3_quinn-e1f606f677c3b65f.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-9fc382ae7d4ea736.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-06764ede62416b89.rmeta --extern quinn=/opt/rustwide/target/debug/deps/libquinn-2ce05da5fca27955.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a6058cc182cf5feb.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-842f94aeacfbf2e7.rmeta --extern rustls_native_certs=/opt/rustwide/target/debug/deps/librustls_native_certs-decc257b78ae5c04.rmeta --extern rustls_pemfile=/opt/rustwide/target/debug/deps/librustls_pemfile-5ce1d17c46cc6f7e.rmeta --extern sd_notify=/opt/rustwide/target/debug/deps/libsd_notify-0d22feb5fb3653ae.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-97dd430585ba7af0.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-233d03cd7dd8c031.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-83fed8b6b5894964.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-9f88be71065a0a7f.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-75e643f1252f6fd2.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-0e2723328560b85b.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-c699898c0fb6badf.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-d1b8a11c153a30fc.rmeta --cap-lints=warn --crate-version 1.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "013960f910680216178cf626af1214584c15f34f93495de1d14e1bb6f2a93f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013960f910680216178cf626af1214584c15f34f93495de1d14e1bb6f2a93f4d", kill_on_drop: false }`
[INFO] [stdout] 013960f910680216178cf626af1214584c15f34f93495de1d14e1bb6f2a93f4d
