[INFO] fetching crate maud-pulldown-cmark 0.5.0...
[INFO] documenting maud-pulldown-cmark-0.5.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate maud-pulldown-cmark 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate maud-pulldown-cmark 0.5.0 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 maud-pulldown-cmark 0.5.0
[INFO] finished tweaking crates.io crate maud-pulldown-cmark 0.5.0
[INFO] tweaked toml for crates.io crate maud-pulldown-cmark 0.5.0 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" "+1.75.0" "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 maud v0.14.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.3
[INFO] [stderr]   Downloaded maud_macros v0.14.0
[INFO] [stderr]   Downloaded skeptic v0.6.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.8
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 893db749be251f356ba458f727475545fc368ee7e886d690ede09984a3f3d621
[INFO] running `Command { std: "docker" "start" "-a" "893db749be251f356ba458f727475545fc368ee7e886d690ede09984a3f3d621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "893db749be251f356ba458f727475545fc368ee7e886d690ede09984a3f3d621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893db749be251f356ba458f727475545fc368ee7e886d690ede09984a3f3d621", kill_on_drop: false }`
[INFO] [stdout] 893db749be251f356ba458f727475545fc368ee7e886d690ede09984a3f3d621
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25b06db67b09a3c9d947ecea77e1f13238c6b21c8646005222418aa95699692d
[INFO] running `Command { std: "docker" "start" "-a" "25b06db67b09a3c9d947ecea77e1f13238c6b21c8646005222418aa95699692d", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking maud v0.14.0
[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/maud-0.14.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[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 `maud` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25b06db67b09a3c9d947ecea77e1f13238c6b21c8646005222418aa95699692d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b06db67b09a3c9d947ecea77e1f13238c6b21c8646005222418aa95699692d", kill_on_drop: false }`
[INFO] [stdout] 25b06db67b09a3c9d947ecea77e1f13238c6b21c8646005222418aa95699692d
[INFO] documenting maud-pulldown-cmark-0.5.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate maud-pulldown-cmark 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate maud-pulldown-cmark 0.5.0 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 maud-pulldown-cmark 0.5.0
[INFO] finished tweaking crates.io crate maud-pulldown-cmark 0.5.0
[INFO] tweaked toml for crates.io crate maud-pulldown-cmark 0.5.0 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-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-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79aac1d8cbc6cf17208694c5043ab098ec21ab2375c762f42e9718fd867bbcae
[INFO] running `Command { std: "docker" "start" "-a" "79aac1d8cbc6cf17208694c5043ab098ec21ab2375c762f42e9718fd867bbcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79aac1d8cbc6cf17208694c5043ab098ec21ab2375c762f42e9718fd867bbcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aac1d8cbc6cf17208694c5043ab098ec21ab2375c762f42e9718fd867bbcae", kill_on_drop: false }`
[INFO] [stdout] 79aac1d8cbc6cf17208694c5043ab098ec21ab2375c762f42e9718fd867bbcae
[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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43bf28a76114e9805a1fd5aaee3045df73c642bfa794018cdc2bc6384b837e6e
[INFO] running `Command { std: "docker" "start" "-a" "43bf28a76114e9805a1fd5aaee3045df73c642bfa794018cdc2bc6384b837e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking maud v0.14.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling rand v0.4.6
[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/maud-0.14.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[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 `maud` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "43bf28a76114e9805a1fd5aaee3045df73c642bfa794018cdc2bc6384b837e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43bf28a76114e9805a1fd5aaee3045df73c642bfa794018cdc2bc6384b837e6e", kill_on_drop: false }`
[INFO] [stdout] 43bf28a76114e9805a1fd5aaee3045df73c642bfa794018cdc2bc6384b837e6e
