[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] 74cdd104022ed4593e0902a4cec25bcc2fd64a57
[INFO] documenting Berrysoft/rockscrew against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerrysoft%2Frockscrew" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Berrysoft/rockscrew 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 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-7-tc1/source/Cargo.toml
[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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/compio-rs/compio.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v3.3.2
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded winnow v0.5.37
[INFO] [stderr]   Downloaded io-uring v0.6.3
[INFO] [stderr]   Downloaded rustls-pki-types v1.2.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46efe319258c848ba185097b85c7fbb4074ee37786dc32d61f25d4d87d3433a9
[INFO] running `Command { std: "docker" "start" "-a" "46efe319258c848ba185097b85c7fbb4074ee37786dc32d61f25d4d87d3433a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46efe319258c848ba185097b85c7fbb4074ee37786dc32d61f25d4d87d3433a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46efe319258c848ba185097b85c7fbb4074ee37786dc32d61f25d4d87d3433a9", kill_on_drop: false }`
[INFO] [stdout] 46efe319258c848ba185097b85c7fbb4074ee37786dc32d61f25d4d87d3433a9
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/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] 1be9bf2651a2ef2a8c3e26539005d6182e54afba591baeb5cbd99ed102d66103
[INFO] running `Command { std: "docker" "start" "-a" "1be9bf2651a2ef2a8c3e26539005d6182e54afba591baeb5cbd99ed102d66103", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling winnow v0.5.37
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking compio-log v0.1.0-beta.1 (https://github.com/compio-rs/compio.git#4cabfec0)
[INFO] [stderr]    Compiling indexmap v2.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking compio-buf v0.2.0-beta.1 (https://github.com/compio-rs/compio.git#4cabfec0)
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/compio-6b2de58c5e93d545/4cabfec/compio-buf/src/lib.rs:8:48
[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/git/checkouts/compio-6b2de58c5e93d545/4cabfec/compio-buf/src/lib.rs:9:43
[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/git/checkouts/compio-6b2de58c5e93d545/4cabfec/compio-buf/src/lib.rs:9:53
[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/git/checkouts/compio-6b2de58c5e93d545/4cabfec/compio-buf/src/lib.rs:10:47
[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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/compio-6b2de58c5e93d545/4cabfec/compio-buf/src/lib.rs:10:61
[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] error: aborting due to 5 previous errors
[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 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1be9bf2651a2ef2a8c3e26539005d6182e54afba591baeb5cbd99ed102d66103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be9bf2651a2ef2a8c3e26539005d6182e54afba591baeb5cbd99ed102d66103", kill_on_drop: false }`
[INFO] [stdout] 1be9bf2651a2ef2a8c3e26539005d6182e54afba591baeb5cbd99ed102d66103
