[INFO] fetching crate dirmod 0.2.0-alpha.1...
[INFO] documenting dirmod-0.2.0-alpha.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate dirmod 0.2.0-alpha.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dirmod 0.2.0-alpha.1 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 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate dirmod 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate dirmod 0.2.0-alpha.1 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 dirmod-codegen v0.2.0-alpha.1
[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] 04ff200ccf25c5b82793115dc060cfad07cd553a1909c367dbfe47588ec36795
[INFO] running `Command { std: "docker" "start" "-a" "04ff200ccf25c5b82793115dc060cfad07cd553a1909c367dbfe47588ec36795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04ff200ccf25c5b82793115dc060cfad07cd553a1909c367dbfe47588ec36795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ff200ccf25c5b82793115dc060cfad07cd553a1909c367dbfe47588ec36795", kill_on_drop: false }`
[INFO] [stdout] 04ff200ccf25c5b82793115dc060cfad07cd553a1909c367dbfe47588ec36795
[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] 8534a0ab15541d048e12d0fa7a97f8aad23aeb674a416988fe98aedca8884508
[INFO] running `Command { std: "docker" "start" "-a" "8534a0ab15541d048e12d0fa7a97f8aad23aeb674a416988fe98aedca8884508", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling dirmod-codegen v0.2.0-alpha.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/dirmod-codegen-0.2.0-alpha.1/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" "8534a0ab15541d048e12d0fa7a97f8aad23aeb674a416988fe98aedca8884508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8534a0ab15541d048e12d0fa7a97f8aad23aeb674a416988fe98aedca8884508", kill_on_drop: false }`
[INFO] [stdout] 8534a0ab15541d048e12d0fa7a97f8aad23aeb674a416988fe98aedca8884508
[INFO] documenting dirmod-0.2.0-alpha.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate dirmod 0.2.0-alpha.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dirmod 0.2.0-alpha.1 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 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate dirmod 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate dirmod 0.2.0-alpha.1 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] fcae6f264d6faf327a7717030f61363d58d32921096b1b3fec29521489291784
[INFO] running `Command { std: "docker" "start" "-a" "fcae6f264d6faf327a7717030f61363d58d32921096b1b3fec29521489291784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcae6f264d6faf327a7717030f61363d58d32921096b1b3fec29521489291784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcae6f264d6faf327a7717030f61363d58d32921096b1b3fec29521489291784", kill_on_drop: false }`
[INFO] [stdout] fcae6f264d6faf327a7717030f61363d58d32921096b1b3fec29521489291784
[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] b95df66d507ae385be10651ce07a15bf4b5d87bba955d27dccec7e39f8ecaac2
[INFO] running `Command { std: "docker" "start" "-a" "b95df66d507ae385be10651ce07a15bf4b5d87bba955d27dccec7e39f8ecaac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling dirmod-codegen v0.2.0-alpha.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/dirmod-codegen-0.2.0-alpha.1/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" "b95df66d507ae385be10651ce07a15bf4b5d87bba955d27dccec7e39f8ecaac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95df66d507ae385be10651ce07a15bf4b5d87bba955d27dccec7e39f8ecaac2", kill_on_drop: false }`
[INFO] [stdout] b95df66d507ae385be10651ce07a15bf4b5d87bba955d27dccec7e39f8ecaac2
