[INFO] fetching crate syndicate-server 0.31.0...
[INFO] documenting syndicate-server-0.31.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate syndicate-server 0.31.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate syndicate-server 0.31.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syndicate-server 0.31.0
[INFO] finished tweaking crates.io crate syndicate-server 0.31.0
[INFO] tweaked toml for crates.io crate syndicate-server 0.31.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate syndicate-server 0.31.0 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded preserves-schema v3.2.0
[INFO] [stderr]   Downloaded preserves v3.0.0
[INFO] [stderr]   Downloaded noise-protocol v0.1.4
[INFO] [stderr]   Downloaded noise-rust-crypto v0.5.0
[INFO] [stderr]   Downloaded tungstenite v0.13.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.14.0
[INFO] [stderr]   Downloaded syndicate v0.28.0
[INFO] [stderr]   Downloaded syndicate-macros v0.23.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 987e43edc8d68af8e0feced35c51b8878b5c8c5fda02718c9a051b57803d8380
[INFO] running `Command { std: "docker" "start" "-a" "987e43edc8d68af8e0feced35c51b8878b5c8c5fda02718c9a051b57803d8380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "987e43edc8d68af8e0feced35c51b8878b5c8c5fda02718c9a051b57803d8380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987e43edc8d68af8e0feced35c51b8878b5c8c5fda02718c9a051b57803d8380", kill_on_drop: false }`
[INFO] [stdout] 987e43edc8d68af8e0feced35c51b8878b5c8c5fda02718c9a051b57803d8380
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4be935dff72ccf801f88bdaac6e135dfe12b32c8411f65870c024746fa5fbbf4
[INFO] running `Command { std: "docker" "start" "-a" "4be935dff72ccf801f88bdaac6e135dfe12b32c8411f65870c024746fa5fbbf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
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[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.26
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[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
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[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling quote v1.0.23
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[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]    Compiling instant v0.1.12
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[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling futures-macro v0.3.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling zeroize_derive v1.3.3
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.26
[INFO] [stderr]    Compiling futures v0.3.26
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]    Compiling tokio-util v0.6.10
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking serde_bytes v0.11.8
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking preserves v3.0.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chacha20 v0.8.2
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking preserves-schema v3.2.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking noise-protocol v0.1.4
[INFO] [stderr]     Checking chacha20poly1305 v0.9.1
[INFO] [stderr]     Checking aes-gcm v0.9.4
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking filetime v0.2.19
[INFO] [stderr]     Checking tokio-tungstenite v0.14.0
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking noise-rust-crypto v0.5.0
[INFO] [stderr]    Compiling syndicate v0.28.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syndicate-0.28.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syndicate-0.28.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_specialization)]
[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] [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 compile `syndicate` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syndicate` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4be935dff72ccf801f88bdaac6e135dfe12b32c8411f65870c024746fa5fbbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be935dff72ccf801f88bdaac6e135dfe12b32c8411f65870c024746fa5fbbf4", kill_on_drop: false }`
[INFO] [stdout] 4be935dff72ccf801f88bdaac6e135dfe12b32c8411f65870c024746fa5fbbf4
