[INFO] fetching crate struct_scalpel 0.1.1...
[INFO] documenting struct_scalpel-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate struct_scalpel 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate struct_scalpel 0.1.1 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 struct_scalpel 0.1.1
[INFO] finished tweaking crates.io crate struct_scalpel 0.1.1
[INFO] tweaked toml for crates.io crate struct_scalpel 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate struct_scalpel 0.1.1 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enable-ansi-support v0.2.1
[INFO] [stderr]   Downloaded venial v0.5.0
[INFO] [stderr]   Downloaded struct_scalpel_proc_macro v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ac916e9fb0d9bf68c253a4b4c1ea76ea1da963b954a7d34b4b5d444309dd465b
[INFO] running `Command { std: "docker" "start" "-a" "ac916e9fb0d9bf68c253a4b4c1ea76ea1da963b954a7d34b4b5d444309dd465b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac916e9fb0d9bf68c253a4b4c1ea76ea1da963b954a7d34b4b5d444309dd465b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac916e9fb0d9bf68c253a4b4c1ea76ea1da963b954a7d34b4b5d444309dd465b", kill_on_drop: false }`
[INFO] [stdout] ac916e9fb0d9bf68c253a4b4c1ea76ea1da963b954a7d34b4b5d444309dd465b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a29dc065f5546d17af340bb59ce1f2c77b72ff2f54981eb137d975e3eced0cdf
[INFO] running `Command { std: "docker" "start" "-a" "a29dc065f5546d17af340bb59ce1f2c77b72ff2f54981eb137d975e3eced0cdf", kill_on_drop: false }`
[INFO] [stderr]     Checking enable-ansi-support v0.2.1
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling venial v0.5.0
[INFO] [stderr]    Compiling struct_scalpel_proc_macro v0.1.0
[INFO] [stderr]  Documenting struct_scalpel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_internals)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(auto_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `struct_scalpel`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name struct_scalpel src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="dissect_std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5643cb12f57b0e9e -L dependency=/opt/rustwide/target/debug/deps --extern enable_ansi_support=/opt/rustwide/target/debug/deps/libenable_ansi_support-92c1e7d4145f0194.rmeta --extern struct_scalpel_proc_macro=/opt/rustwide/target/debug/deps/libstruct_scalpel_proc_macro-486988849717f379.so --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a29dc065f5546d17af340bb59ce1f2c77b72ff2f54981eb137d975e3eced0cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29dc065f5546d17af340bb59ce1f2c77b72ff2f54981eb137d975e3eced0cdf", kill_on_drop: false }`
[INFO] [stdout] a29dc065f5546d17af340bb59ce1f2c77b72ff2f54981eb137d975e3eced0cdf
