[INFO] fetching crate meio-ws 0.22.1...
[INFO] documenting meio-ws-0.22.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate meio-ws 0.22.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate meio-ws 0.22.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meio-ws 0.22.1
[INFO] finished tweaking crates.io crate meio-ws 0.22.1
[INFO] tweaked toml for crates.io crate meio-ws 0.22.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded async-tungstenite v0.9.3
[INFO] [stderr]   Downloaded meio v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a1d2bab7b54ce55a82b27b15602f2083eedb2fa5b4fadb3fa39fbfd22ddfba5
[INFO] running `Command { std: "docker" "start" "-a" "7a1d2bab7b54ce55a82b27b15602f2083eedb2fa5b4fadb3fa39fbfd22ddfba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1d2bab7b54ce55a82b27b15602f2083eedb2fa5b4fadb3fa39fbfd22ddfba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1d2bab7b54ce55a82b27b15602f2083eedb2fa5b4fadb3fa39fbfd22ddfba5", kill_on_drop: false }`
[INFO] [stdout] 7a1d2bab7b54ce55a82b27b15602f2083eedb2fa5b4fadb3fa39fbfd22ddfba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b15cf233446d81eabf845830593b353d1d21169f8f1d325be2d9f4371a28351a
[INFO] running `Command { std: "docker" "start" "-a" "b15cf233446d81eabf845830593b353d1d21169f8f1d325be2d9f4371a28351a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking openssl-sys v0.9.87
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking openssl v0.10.52
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking meio v0.22.1
[INFO] [stderr]     Checking async-tungstenite v0.9.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/meio-0.22.1/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(generators)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking h2 v0.2.7
[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 `meio` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b15cf233446d81eabf845830593b353d1d21169f8f1d325be2d9f4371a28351a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15cf233446d81eabf845830593b353d1d21169f8f1d325be2d9f4371a28351a", kill_on_drop: false }`
[INFO] [stdout] b15cf233446d81eabf845830593b353d1d21169f8f1d325be2d9f4371a28351a
