[INFO] fetching crate derive_from 0.1.1...
[INFO] documenting derive_from-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate derive_from 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate derive_from 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 derive_from 0.1.1
[INFO] finished tweaking crates.io crate derive_from 0.1.1
[INFO] tweaked toml for crates.io crate derive_from 0.1.1 written to /workspace/builds/worker-0-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] 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] 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] 892ea6bbb466c2a724fdc623b1eef00f3fcfa4ff6b0c0d29ea238c3ba2e65679
[INFO] running `Command { std: "docker" "start" "-a" "892ea6bbb466c2a724fdc623b1eef00f3fcfa4ff6b0c0d29ea238c3ba2e65679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892ea6bbb466c2a724fdc623b1eef00f3fcfa4ff6b0c0d29ea238c3ba2e65679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892ea6bbb466c2a724fdc623b1eef00f3fcfa4ff6b0c0d29ea238c3ba2e65679", kill_on_drop: false }`
[INFO] [stdout] 892ea6bbb466c2a724fdc623b1eef00f3fcfa4ff6b0c0d29ea238c3ba2e65679
[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] ab66c8e125a2efdb3c306cb589e5591386d93127bb5238a116442bb0f96a3e4e
[INFO] running `Command { std: "docker" "start" "-a" "ab66c8e125a2efdb3c306cb589e5591386d93127bb5238a116442bb0f96a3e4e", kill_on_drop: false }`
[INFO] [stderr]  Documenting derive_from v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib.rs:18:73
[INFO] [stdout]    |
[INFO] [stdout] 18 |     reg.register_syntax_extension(intern("derive_From"), MultiDecorator(box expand_derive_from));
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 18 |     reg.register_syntax_extension(intern("derive_From"), MultiDecorator(Box::new(expand_derive_from)));
[INFO] [stdout]    |                                                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: plugins are no longer supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)]
[INFO] [stdout]   |                              ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)]
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `#[proc_macro_derive]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, box_syntax, rustc_private, custom_derive, quote)]
[INFO] [stdout]   |                                                                        ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `derive_from`
[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 --crate-type dylib --crate-name derive_from src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6d72e85af15750f1 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ab66c8e125a2efdb3c306cb589e5591386d93127bb5238a116442bb0f96a3e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab66c8e125a2efdb3c306cb589e5591386d93127bb5238a116442bb0f96a3e4e", kill_on_drop: false }`
[INFO] [stdout] ab66c8e125a2efdb3c306cb589e5591386d93127bb5238a116442bb0f96a3e4e
