[INFO] cloning repository https://github.com/Berrysoft/rockscrew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Berrysoft/rockscrew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerrysoft%2Frockscrew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerrysoft%2Frockscrew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a3ef7411692584314c68bf444bbaab73a80f607
[INFO] documenting Berrysoft/rockscrew against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerrysoft%2Frockscrew" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Berrysoft/rockscrew
[INFO] finished tweaking git repo https://github.com/Berrysoft/rockscrew
[INFO] tweaked toml for git repo https://github.com/Berrysoft/rockscrew written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Berrysoft/rockscrew on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Berrysoft/rockscrew 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compio-driver v0.6.1
[INFO] [stderr]   Downloaded compio-log v0.1.0
[INFO] [stderr]   Downloaded compio-signal v0.4.0
[INFO] [stderr]   Downloaded compio-io v0.5.0
[INFO] [stderr]   Downloaded compio-tls v0.4.0
[INFO] [stderr]   Downloaded os_pipe v1.2.1
[INFO] [stderr]   Downloaded compio-runtime v0.6.3
[INFO] [stderr]   Downloaded compio v0.13.2
[INFO] [stderr]   Downloaded compio-buf v0.5.1
[INFO] [stderr]   Downloaded compio-dispatcher v0.5.0
[INFO] [stderr]   Downloaded compio-net v0.6.0
[INFO] [stderr]   Downloaded compio-fs v0.6.0
[INFO] [stderr]   Downloaded flume v0.11.1
[INFO] [stderr]   Downloaded compio-quic v0.2.0
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded io-uring v0.7.3
[INFO] [stderr]   Downloaded compio-macros v0.1.2
[INFO] [stderr]   Downloaded compio-process v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eca4fb1843d3e3ffafd182d15eec92d02abf404634536405568a4cdabd0445ac
[INFO] running `Command { std: "docker" "start" "-a" "eca4fb1843d3e3ffafd182d15eec92d02abf404634536405568a4cdabd0445ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca4fb1843d3e3ffafd182d15eec92d02abf404634536405568a4cdabd0445ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca4fb1843d3e3ffafd182d15eec92d02abf404634536405568a4cdabd0445ac", kill_on_drop: false }`
[INFO] [stdout] eca4fb1843d3e3ffafd182d15eec92d02abf404634536405568a4cdabd0445ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70b9fdcf3620ba4c45486bae5e857a32497a40aa533c25f04e73f0cdd327b134
[INFO] running `Command { std: "docker" "start" "-a" "70b9fdcf3620ba4c45486bae5e857a32497a40aa533c25f04e73f0cdd327b134", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling io-uring v0.7.3
[INFO] [stderr]    Compiling compio-driver v0.6.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling winnow v0.6.22
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling compio-fs v0.6.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]     Checking compio-buf v0.5.1
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking os_pipe v1.2.1
[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-1949cf8c6b5b557f/compio-buf-0.5.1/src/lib.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "allocator_api", feature(allocator_api))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-1949cf8c6b5b557f/compio-buf-0.5.1/src/lib.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(feature = "read_buf", feature(read_buf, core_io_borrowed_buf))]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-1949cf8c6b5b557f/compio-buf-0.5.1/src/lib.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "try_trait_v2", feature(try_trait_v2, try_trait_v2_residual))]
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compio-buf` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "70b9fdcf3620ba4c45486bae5e857a32497a40aa533c25f04e73f0cdd327b134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b9fdcf3620ba4c45486bae5e857a32497a40aa533c25f04e73f0cdd327b134", kill_on_drop: false }`
[INFO] [stdout] 70b9fdcf3620ba4c45486bae5e857a32497a40aa533c25f04e73f0cdd327b134
