[INFO] fetching crate ipcbus 0.1.0...
[INFO] documenting ipcbus-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ipcbus 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ipcbus 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23b5b05bffbbb9262f3e28d2c4eff27ad338169c0209dfad240f7aac3cba5b3e
[INFO] running `Command { std: "docker" "start" "-a" "23b5b05bffbbb9262f3e28d2c4eff27ad338169c0209dfad240f7aac3cba5b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23b5b05bffbbb9262f3e28d2c4eff27ad338169c0209dfad240f7aac3cba5b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b5b05bffbbb9262f3e28d2c4eff27ad338169c0209dfad240f7aac3cba5b3e", kill_on_drop: false }`
[INFO] [stdout] 23b5b05bffbbb9262f3e28d2c4eff27ad338169c0209dfad240f7aac3cba5b3e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 628082c831e3812148943c95eb20d68e5d0f56e4fcbdcf6488625eae61f9166e
[INFO] running `Command { std: "docker" "start" "-a" "628082c831e3812148943c95eb20d68e5d0f56e4fcbdcf6488625eae61f9166e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[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 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 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/1.75.0-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=a004f3e4c2ef3e54 -L dependency=/opt/rustwide/target/debug/deps --extern event_listener=/opt/rustwide/target/debug/deps/libevent_listener-13e97b9f606cae67.rmeta --extern fslock=/opt/rustwide/target/debug/deps/libfslock-3ef73c749d3ac22e.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-703a71779d7c4255.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-d2b6c550dc1f4d5d.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-d77a532f7b8dd4cc.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-7b238d5b1e705b03.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "628082c831e3812148943c95eb20d68e5d0f56e4fcbdcf6488625eae61f9166e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628082c831e3812148943c95eb20d68e5d0f56e4fcbdcf6488625eae61f9166e", kill_on_drop: false }`
[INFO] [stdout] 628082c831e3812148943c95eb20d68e5d0f56e4fcbdcf6488625eae61f9166e
[INFO] documenting ipcbus-0.1.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate ipcbus 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ipcbus 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a7d1b90a769fbc888db8c549850b70b2b24e52500f791f81eb07ff62b29b6ad
[INFO] running `Command { std: "docker" "start" "-a" "7a7d1b90a769fbc888db8c549850b70b2b24e52500f791f81eb07ff62b29b6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7d1b90a769fbc888db8c549850b70b2b24e52500f791f81eb07ff62b29b6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7d1b90a769fbc888db8c549850b70b2b24e52500f791f81eb07ff62b29b6ad", kill_on_drop: false }`
[INFO] [stdout] 7a7d1b90a769fbc888db8c549850b70b2b24e52500f791f81eb07ff62b29b6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d62e538fc479b2e36afa6a7219786790834f957552abb1f73f4a0596e2fa37
[INFO] running `Command { std: "docker" "start" "-a" "d4d62e538fc479b2e36afa6a7219786790834f957552abb1f73f4a0596e2fa37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking fslock v0.2.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking socket2 v0.4.10
[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-2023-12-22-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=e78fba6c5a7946d7 -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-a184c3ec50d9e697.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-200851177277818e.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-36d4aad95647cbc4.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-233db43b015d2e2f.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-699183eb396ac861.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d4d62e538fc479b2e36afa6a7219786790834f957552abb1f73f4a0596e2fa37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d62e538fc479b2e36afa6a7219786790834f957552abb1f73f4a0596e2fa37", kill_on_drop: false }`
[INFO] [stdout] d4d62e538fc479b2e36afa6a7219786790834f957552abb1f73f4a0596e2fa37
