[INFO] fetching crate ipcbus 0.1.0...
[INFO] documenting ipcbus-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate ipcbus 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ipcbus 0.1.0 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 crates.io crate ipcbus 0.1.0
[INFO] finished tweaking crates.io crate ipcbus 0.1.0
[INFO] tweaked toml for crates.io crate ipcbus 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dfc5a64b916a7b21203b897a5b4958fcd5a0dfd66d49feeb364473fa4b21f42e
[INFO] running `Command { std: "docker" "start" "-a" "dfc5a64b916a7b21203b897a5b4958fcd5a0dfd66d49feeb364473fa4b21f42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc5a64b916a7b21203b897a5b4958fcd5a0dfd66d49feeb364473fa4b21f42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc5a64b916a7b21203b897a5b4958fcd5a0dfd66d49feeb364473fa4b21f42e", kill_on_drop: false }`
[INFO] [stdout] dfc5a64b916a7b21203b897a5b4958fcd5a0dfd66d49feeb364473fa4b21f42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e36c12dfa378536f44fe81811cffe25c601eb4eba76af0102128f437997fee38
[INFO] running `Command { std: "docker" "start" "-a" "e36c12dfa378536f44fe81811cffe25c601eb4eba76af0102128f437997fee38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking fslock v0.2.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]  Documenting ipcbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 document `ipcbus`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name ipcbus src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8770fa3b4e4c59a0 -L dependency=/opt/rustwide/target/debug/deps --extern event_listener=/opt/rustwide/target/debug/deps/libevent_listener-b2877cdc8d282525.rmeta --extern fslock=/opt/rustwide/target/debug/deps/libfslock-cf3a98da4a2c9e9c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-36cfd7e8429f1c32.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-de0a1ea1f3f4d5d1.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-1e92703f41655adb.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-ccebe927eb4b4677.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e36c12dfa378536f44fe81811cffe25c601eb4eba76af0102128f437997fee38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36c12dfa378536f44fe81811cffe25c601eb4eba76af0102128f437997fee38", kill_on_drop: false }`
[INFO] [stdout] e36c12dfa378536f44fe81811cffe25c601eb4eba76af0102128f437997fee38
[INFO] documenting ipcbus-0.1.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate ipcbus 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ipcbus 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipcbus 0.1.0
[INFO] finished tweaking crates.io crate ipcbus 0.1.0
[INFO] tweaked toml for crates.io crate ipcbus 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1147ed764f5fa27b1b65c6702b3665da0c37c854b2274cc216f9318ad433ffc
[INFO] running `Command { std: "docker" "start" "-a" "d1147ed764f5fa27b1b65c6702b3665da0c37c854b2274cc216f9318ad433ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1147ed764f5fa27b1b65c6702b3665da0c37c854b2274cc216f9318ad433ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1147ed764f5fa27b1b65c6702b3665da0c37c854b2274cc216f9318ad433ffc", kill_on_drop: false }`
[INFO] [stdout] d1147ed764f5fa27b1b65c6702b3665da0c37c854b2274cc216f9318ad433ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d3632eb202ab8b7116046caac83780ed4a731bc6f12b20e5020b51caad1b9e9
[INFO] running `Command { std: "docker" "start" "-a" "8d3632eb202ab8b7116046caac83780ed4a731bc6f12b20e5020b51caad1b9e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking fslock v0.2.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]  Documenting ipcbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 document `ipcbus`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name ipcbus src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=95426f164fb1cdcb -L dependency=/opt/rustwide/target/debug/deps --extern event_listener=/opt/rustwide/target/debug/deps/libevent_listener-340c3b5d61d46c45.rmeta --extern fslock=/opt/rustwide/target/debug/deps/libfslock-5225f657c741c947.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0ff2d145b8206182.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-fe74f465d4941c7d.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-6b5a0083ca5070e6.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-58f6899f0f63d8de.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8d3632eb202ab8b7116046caac83780ed4a731bc6f12b20e5020b51caad1b9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3632eb202ab8b7116046caac83780ed4a731bc6f12b20e5020b51caad1b9e9", kill_on_drop: false }`
[INFO] [stdout] 8d3632eb202ab8b7116046caac83780ed4a731bc6f12b20e5020b51caad1b9e9
