[INFO] fetching crate hadean 0.2.4...
[INFO] documenting hadean-0.2.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate hadean 0.2.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate hadean 0.2.4 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86567fe1e26954bf62c5e1529b1f3772d608116dcb6b2aa9ecc634128e24abd
[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" "b86567fe1e26954bf62c5e1529b1f3772d608116dcb6b2aa9ecc634128e24abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86567fe1e26954bf62c5e1529b1f3772d608116dcb6b2aa9ecc634128e24abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86567fe1e26954bf62c5e1529b1f3772d608116dcb6b2aa9ecc634128e24abd", kill_on_drop: false }`
[INFO] [stdout] b86567fe1e26954bf62c5e1529b1f3772d608116dcb6b2aa9ecc634128e24abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a33652c2d02ec1d2924b8a80574a4a6259e614cecc2f5110c06ef0b85f18e69
[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" "1a33652c2d02ec1d2924b8a80574a4a6259e614cecc2f5110c06ef0b85f18e69", 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[E0603]: function `lang_start` is private
[INFO] [stdout]    --> src/hoff.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 |     rt::lang_start(unsafe { __hadean_rust_lib_main }, 0, &null_argv as *const _);
[INFO] [stdout]     |         ^^^^^^^^^^ private function
[INFO] [stdout]     |
[INFO] [stdout] note: the function `lang_start` is defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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] [stderr] error: Could not document `hadean`.
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0603.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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-c5d33b5bdb748781.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-309bad0fd45601b4.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-554c840b0ec7dfdd.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b01e5f49cd1b74e8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ec5e695d7e4b5284.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e14ca5de376ec3cc.so --cap-lints=warn --crate-version 0.2.4` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "1a33652c2d02ec1d2924b8a80574a4a6259e614cecc2f5110c06ef0b85f18e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a33652c2d02ec1d2924b8a80574a4a6259e614cecc2f5110c06ef0b85f18e69", kill_on_drop: false }`
[INFO] [stdout] 1a33652c2d02ec1d2924b8a80574a4a6259e614cecc2f5110c06ef0b85f18e69