[INFO] fetching crate hadean 0.2.4...
[INFO] documenting hadean-0.2.4 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate hadean 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hadean 0.2.4 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking crates.io crate hadean 0.2.4
[INFO] finished tweaking crates.io crate hadean 0.2.4
[INFO] tweaked toml for crates.io crate hadean 0.2.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b5fffe72136db21f64caf57f8d9572adc16ae5cf642665a895edfb1d70c805c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b5fffe72136db21f64caf57f8d9572adc16ae5cf642665a895edfb1d70c805c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5fffe72136db21f64caf57f8d9572adc16ae5cf642665a895edfb1d70c805c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5fffe72136db21f64caf57f8d9572adc16ae5cf642665a895edfb1d70c805c", kill_on_drop: false }`
[INFO] [stdout] 6b5fffe72136db21f64caf57f8d9572adc16ae5cf642665a895edfb1d70c805c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07554d4a5a7f0124084d72c00ae6bca788e6dba7fb5c195426af0b2d81ca80bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07554d4a5a7f0124084d72c00ae6bca788e6dba7fb5c195426af0b2d81ca80bf", kill_on_drop: false }`
[INFO] [stderr]     Checking aidanhs-tmp-parse-generics-shim v0.1.3
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]  Documenting hadean v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `pub use`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> src/lib.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 198 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `macro_reexport` in this scope
[INFO] [stdout]   --> src/lib.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_reexport(parse_generics_shim,parse_constr,parse_generics_shim_util)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_export`
[INFO] [stdout] 
[INFO] [stdout] 
[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(allow_internal_unstable,core_intrinsics,linkage,rt,macro_reexport,optin_builtin_traits,raw,specialization,unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `hadean`.
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name hadean src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern aidanhs_tmp_parse_generics_shim=/opt/rustwide/target/debug/deps/libaidanhs_tmp_parse_generics_shim-918483ce6232c003.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-dab4bd3fe65fc4ca.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-8bd18a5f68acc69b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-1ad3ad1e20beb97f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5429dd6d097468fb.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-9657277a275bd2e8.so --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "07554d4a5a7f0124084d72c00ae6bca788e6dba7fb5c195426af0b2d81ca80bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07554d4a5a7f0124084d72c00ae6bca788e6dba7fb5c195426af0b2d81ca80bf", kill_on_drop: false }`
[INFO] [stdout] 07554d4a5a7f0124084d72c00ae6bca788e6dba7fb5c195426af0b2d81ca80bf