[INFO] fetching crate rustc-ap-rustc_errors 727.0.0...
[INFO] documenting rustc-ap-rustc_errors-727.0.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate rustc-ap-rustc_errors 727.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_errors 727.0.0 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 rustc-ap-rustc_errors 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_errors 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_errors 727.0.0 written to /workspace/builds/worker-5-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v727.0.0
[INFO] [stderr]   Downloaded termize v0.1.1
[INFO] [stderr]   Downloaded annotate-snippets v0.8.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v727.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lint_defs v727.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f67f26a755d333d4f972569ae765291833d1ae5e4debbea0ef3e46cb3b372eeb
[INFO] running `Command { std: "docker" "start" "-a" "f67f26a755d333d4f972569ae765291833d1ae5e4debbea0ef3e46cb3b372eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f67f26a755d333d4f972569ae765291833d1ae5e4debbea0ef3e46cb3b372eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67f26a755d333d4f972569ae765291833d1ae5e4debbea0ef3e46cb3b372eeb", kill_on_drop: false }`
[INFO] [stdout] f67f26a755d333d4f972569ae765291833d1ae5e4debbea0ef3e46cb3b372eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 20ff7e5eb0433cdd76168b6cb46ceab5d3e58da5bb2654f17b345ce8aa3c7313
[INFO] running `Command { std: "docker" "start" "-a" "20ff7e5eb0433cdd76168b6cb46ceab5d3e58da5bb2654f17b345ce8aa3c7313", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[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-6f17d22bba15001f/smallvec-1.11.2/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 compile `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "20ff7e5eb0433cdd76168b6cb46ceab5d3e58da5bb2654f17b345ce8aa3c7313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ff7e5eb0433cdd76168b6cb46ceab5d3e58da5bb2654f17b345ce8aa3c7313", kill_on_drop: false }`
[INFO] [stdout] 20ff7e5eb0433cdd76168b6cb46ceab5d3e58da5bb2654f17b345ce8aa3c7313
[INFO] documenting rustc-ap-rustc_errors-727.0.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate rustc-ap-rustc_errors 727.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_errors 727.0.0 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 rustc-ap-rustc_errors 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_errors 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_errors 727.0.0 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c0b07b2a36987826bf94a235974643be4702ad1c9497255c7c44e61ae5c4bd52
[INFO] running `Command { std: "docker" "start" "-a" "c0b07b2a36987826bf94a235974643be4702ad1c9497255c7c44e61ae5c4bd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0b07b2a36987826bf94a235974643be4702ad1c9497255c7c44e61ae5c4bd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b07b2a36987826bf94a235974643be4702ad1c9497255c7c44e61ae5c4bd52", kill_on_drop: false }`
[INFO] [stdout] c0b07b2a36987826bf94a235974643be4702ad1c9497255c7c44e61ae5c4bd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 13002e03acb1d84477e60e980b4b3bf7c146459eca341a360b87db30f6446204
[INFO] running `Command { std: "docker" "start" "-a" "13002e03acb1d84477e60e980b4b3bf7c146459eca341a360b87db30f6446204", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.2
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-1.11.2/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 compile `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "13002e03acb1d84477e60e980b4b3bf7c146459eca341a360b87db30f6446204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13002e03acb1d84477e60e980b4b3bf7c146459eca341a360b87db30f6446204", kill_on_drop: false }`
[INFO] [stdout] 13002e03acb1d84477e60e980b4b3bf7c146459eca341a360b87db30f6446204
