[INFO] fetching crate syndicate-tools 0.6.0...
[INFO] documenting syndicate-tools-0.6.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate syndicate-tools 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate syndicate-tools 0.6.0 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-tools 0.6.0
[INFO] finished tweaking crates.io crate syndicate-tools 0.6.0
[INFO] tweaked toml for crates.io crate syndicate-tools 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate syndicate-tools 0.6.0 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 v3.0.0
[INFO] [stderr]   Downloaded syndicate v0.28.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded preserves-schema v3.2.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42a161e86f6e3f02ef7d13dcff73cb1173b8b4d22dd84264f08805af8b89a48d
[INFO] running `Command { std: "docker" "start" "-a" "42a161e86f6e3f02ef7d13dcff73cb1173b8b4d22dd84264f08805af8b89a48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42a161e86f6e3f02ef7d13dcff73cb1173b8b4d22dd84264f08805af8b89a48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a161e86f6e3f02ef7d13dcff73cb1173b8b4d22dd84264f08805af8b89a48d", kill_on_drop: false }`
[INFO] [stdout] 42a161e86f6e3f02ef7d13dcff73cb1173b8b4d22dd84264f08805af8b89a48d
[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=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] b859185345ff1a79e3cd53cceea61304f72eb170b6cea0fb408a8c23884dce6d
[INFO] running `Command { std: "docker" "start" "-a" "b859185345ff1a79e3cd53cceea61304f72eb170b6cea0fb408a8c23884dce6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[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 tokio-macros v1.8.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking clap v4.1.4
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking futures-executor v0.3.26
[INFO] [stderr]     Checking clap_complete v4.1.1
[INFO] [stderr]     Checking futures v0.3.26
[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 tracing-subscriber v0.2.25
[INFO] [stderr]     Checking preserves-schema v3.2.0
[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: 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] running `Command { std: "docker" "inspect" "b859185345ff1a79e3cd53cceea61304f72eb170b6cea0fb408a8c23884dce6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b859185345ff1a79e3cd53cceea61304f72eb170b6cea0fb408a8c23884dce6d", kill_on_drop: false }`
[INFO] [stdout] b859185345ff1a79e3cd53cceea61304f72eb170b6cea0fb408a8c23884dce6d
