[INFO] fetching crate phlow-server 1.5.0...
[INFO] documenting phlow-server-1.5.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate phlow-server 1.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate phlow-server 1.5.0 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] started tweaking crates.io crate phlow-server 1.5.0
[INFO] finished tweaking crates.io crate phlow-server 1.5.0
[INFO] tweaked toml for crates.io crate phlow-server 1.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate phlow-server 1.5.0 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blob-uuid v0.5.0
[INFO] [stderr]   Downloaded unique_id v0.1.5
[INFO] [stderr]   Downloaded typetag-impl v0.2.13
[INFO] [stderr]   Downloaded inventory v0.3.13
[INFO] [stderr]   Downloaded typetag v0.2.13
[INFO] [stderr]   Downloaded phlow v1.5.0
[INFO] [stderr]   Downloaded phlow-extensions v1.4.0
[INFO] [stderr]   Downloaded phlow-derive v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2026ce38b0a1c23347e1772ebd59a4d0f47475efa0805551f7a5d93af0e5d261
[INFO] running `Command { std: "docker" "start" "-a" "2026ce38b0a1c23347e1772ebd59a4d0f47475efa0805551f7a5d93af0e5d261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2026ce38b0a1c23347e1772ebd59a4d0f47475efa0805551f7a5d93af0e5d261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2026ce38b0a1c23347e1772ebd59a4d0f47475efa0805551f7a5d93af0e5d261", kill_on_drop: false }`
[INFO] [stdout] 2026ce38b0a1c23347e1772ebd59a4d0f47475efa0805551f7a5d93af0e5d261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 400cffec3016da8f5d45a1c8196b82db643b4a36bd0654a7e555289bbb82ec7b
[INFO] running `Command { std: "docker" "start" "-a" "400cffec3016da8f5d45a1c8196b82db643b4a36bd0654a7e555289bbb82ec7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking inventory v0.3.13
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling rust-format v0.3.4
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking blob-uuid v0.5.0
[INFO] [stderr]     Checking unique_id v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling typetag-impl v0.2.13
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling serde_repr v0.1.17
[INFO] [stderr]    Compiling phlow-derive v1.4.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking typetag v0.2.13
[INFO] [stderr]     Checking phlow v1.5.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/phlow-1.5.0/src/lib.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "printing", feature(specialization))]
[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 compile `phlow` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "400cffec3016da8f5d45a1c8196b82db643b4a36bd0654a7e555289bbb82ec7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400cffec3016da8f5d45a1c8196b82db643b4a36bd0654a7e555289bbb82ec7b", kill_on_drop: false }`
[INFO] [stdout] 400cffec3016da8f5d45a1c8196b82db643b4a36bd0654a7e555289bbb82ec7b
