[INFO] fetching crate dirmod-docsrs-test 0.1.3...
[INFO] documenting dirmod-docsrs-test-0.1.3 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate dirmod-docsrs-test 0.1.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dirmod-docsrs-test 0.1.3 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 dirmod-docsrs-test 0.1.3
[INFO] finished tweaking crates.io crate dirmod-docsrs-test 0.1.3
[INFO] tweaked toml for crates.io crate dirmod-docsrs-test 0.1.3 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 dirmod-codegen v0.1.4
[INFO] [stderr]   Downloaded dirmod v0.1.5
[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] a619ceb07e0381d635cf0283b09baf81b3565b67f0c8a37d8d0e0d331e5f449f
[INFO] running `Command { std: "docker" "start" "-a" "a619ceb07e0381d635cf0283b09baf81b3565b67f0c8a37d8d0e0d331e5f449f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a619ceb07e0381d635cf0283b09baf81b3565b67f0c8a37d8d0e0d331e5f449f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a619ceb07e0381d635cf0283b09baf81b3565b67f0c8a37d8d0e0d331e5f449f", kill_on_drop: false }`
[INFO] [stdout] a619ceb07e0381d635cf0283b09baf81b3565b67f0c8a37d8d0e0d331e5f449f
[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] 8bec7280c289269ab4d6523db221eceb4fd8926ea6f29c6bc6c554a7d9b971fe
[INFO] running `Command { std: "docker" "start" "-a" "8bec7280c289269ab4d6523db221eceb4fd8926ea6f29c6bc6c554a7d9b971fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling dirmod-codegen v0.1.4
[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/dirmod-codegen-0.1.4/src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(proc_macro_span)]
[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 `dirmod-codegen` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8bec7280c289269ab4d6523db221eceb4fd8926ea6f29c6bc6c554a7d9b971fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bec7280c289269ab4d6523db221eceb4fd8926ea6f29c6bc6c554a7d9b971fe", kill_on_drop: false }`
[INFO] [stdout] 8bec7280c289269ab4d6523db221eceb4fd8926ea6f29c6bc6c554a7d9b971fe
[INFO] documenting dirmod-docsrs-test-0.1.3 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate dirmod-docsrs-test 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate dirmod-docsrs-test 0.1.3 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 dirmod-docsrs-test 0.1.3
[INFO] finished tweaking crates.io crate dirmod-docsrs-test 0.1.3
[INFO] tweaked toml for crates.io crate dirmod-docsrs-test 0.1.3 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] b50ca6751bbdbd50b76c37bb0c690bc892dd8bd10e1692798f61fbea7c9802c8
[INFO] running `Command { std: "docker" "start" "-a" "b50ca6751bbdbd50b76c37bb0c690bc892dd8bd10e1692798f61fbea7c9802c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b50ca6751bbdbd50b76c37bb0c690bc892dd8bd10e1692798f61fbea7c9802c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50ca6751bbdbd50b76c37bb0c690bc892dd8bd10e1692798f61fbea7c9802c8", kill_on_drop: false }`
[INFO] [stdout] b50ca6751bbdbd50b76c37bb0c690bc892dd8bd10e1692798f61fbea7c9802c8
[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] 7988a8975d86deb8d6ca4368917a20978fd7258d7b6310b4d3e50f04ab8068aa
[INFO] running `Command { std: "docker" "start" "-a" "7988a8975d86deb8d6ca4368917a20978fd7258d7b6310b4d3e50f04ab8068aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling dirmod-codegen v0.1.4
[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/dirmod-codegen-0.1.4/src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(proc_macro_span)]
[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 `dirmod-codegen` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7988a8975d86deb8d6ca4368917a20978fd7258d7b6310b4d3e50f04ab8068aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7988a8975d86deb8d6ca4368917a20978fd7258d7b6310b4d3e50f04ab8068aa", kill_on_drop: false }`
[INFO] [stdout] 7988a8975d86deb8d6ca4368917a20978fd7258d7b6310b4d3e50f04ab8068aa
