[INFO] fetching crate accessors 0.0.3...
[INFO] documenting accessors-0.0.3 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate accessors 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate accessors 0.0.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accessors 0.0.3
[INFO] finished tweaking crates.io crate accessors 0.0.3
[INFO] tweaked toml for crates.io crate accessors 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aff4c48331c4d7800a9542a4803334bbef53ac972173e6494519b042a9e4751
[INFO] running `Command { std: "docker" "start" "-a" "3aff4c48331c4d7800a9542a4803334bbef53ac972173e6494519b042a9e4751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aff4c48331c4d7800a9542a4803334bbef53ac972173e6494519b042a9e4751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aff4c48331c4d7800a9542a4803334bbef53ac972173e6494519b042a9e4751", kill_on_drop: false }`
[INFO] [stdout] 3aff4c48331c4d7800a9542a4803334bbef53ac972173e6494519b042a9e4751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed932adb6331db1c56323c10f7f97db755670ef2a6118771d4c3997d7e3ef398
[INFO] running `Command { std: "docker" "start" "-a" "ed932adb6331db1c56323c10f7f97db755670ef2a6118771d4c3997d7e3ef398", kill_on_drop: false }`
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking syn v0.9.2
[INFO] [stderr]  Documenting accessors v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `proc_macro` has been stable since `1.29.0` and no longer requires an attribute to enable
[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 `accessors`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type proc-macro --crate-name accessors src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=44ac4cb221ed970c -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-20c0063506022527.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f5f6af3d7977df83.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-3e48bb847966fd2a.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ed932adb6331db1c56323c10f7f97db755670ef2a6118771d4c3997d7e3ef398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed932adb6331db1c56323c10f7f97db755670ef2a6118771d4c3997d7e3ef398", kill_on_drop: false }`
[INFO] [stdout] ed932adb6331db1c56323c10f7f97db755670ef2a6118771d4c3997d7e3ef398
[INFO] documenting accessors-0.0.3 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate accessors 0.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate accessors 0.0.3 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accessors 0.0.3
[INFO] finished tweaking crates.io crate accessors 0.0.3
[INFO] tweaked toml for crates.io crate accessors 0.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 839bb0335f47da565ec0e6bf82f03c7cb03f07de9800bb79580306150bc61b3c
[INFO] running `Command { std: "docker" "start" "-a" "839bb0335f47da565ec0e6bf82f03c7cb03f07de9800bb79580306150bc61b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "839bb0335f47da565ec0e6bf82f03c7cb03f07de9800bb79580306150bc61b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839bb0335f47da565ec0e6bf82f03c7cb03f07de9800bb79580306150bc61b3c", kill_on_drop: false }`
[INFO] [stdout] 839bb0335f47da565ec0e6bf82f03c7cb03f07de9800bb79580306150bc61b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864a34cafa7237ccef58b8f48c605008caaf37aef5581ff44d7d37aa61ee5d40
[INFO] running `Command { std: "docker" "start" "-a" "864a34cafa7237ccef58b8f48c605008caaf37aef5581ff44d7d37aa61ee5d40", kill_on_drop: false }`
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking syn v0.9.2
[INFO] [stderr]  Documenting accessors v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(proc_macro, proc_macro_lib)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `proc_macro` has been stable since `1.29.0` and no longer requires an attribute to enable
[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 `accessors`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type proc-macro --crate-name accessors src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=583a8d6abd900549 -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-7724864291dba3b0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-db58d3591ab32647.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-373955a870a412c7.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "864a34cafa7237ccef58b8f48c605008caaf37aef5581ff44d7d37aa61ee5d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864a34cafa7237ccef58b8f48c605008caaf37aef5581ff44d7d37aa61ee5d40", kill_on_drop: false }`
[INFO] [stdout] 864a34cafa7237ccef58b8f48c605008caaf37aef5581ff44d7d37aa61ee5d40
