[INFO] fetching crate dora 0.0.2...
[INFO] documenting dora-0.0.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate dora 0.0.2 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate dora 0.0.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dora 0.0.2
[INFO] finished tweaking crates.io crate dora 0.0.2
[INFO] tweaked toml for crates.io crate dora 0.0.2 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate dora 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58bfe7d7be4d22d0fa12d88d6ebb3ec076494f352ab5f669bbc876ee1fe6708b
[INFO] running `Command { std: "docker" "start" "-a" "58bfe7d7be4d22d0fa12d88d6ebb3ec076494f352ab5f669bbc876ee1fe6708b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58bfe7d7be4d22d0fa12d88d6ebb3ec076494f352ab5f669bbc876ee1fe6708b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bfe7d7be4d22d0fa12d88d6ebb3ec076494f352ab5f669bbc876ee1fe6708b", kill_on_drop: false }`
[INFO] [stdout] 58bfe7d7be4d22d0fa12d88d6ebb3ec076494f352ab5f669bbc876ee1fe6708b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ccdafaba2e251741f2024e55907f8877b85cc270f68be92946e9607d82eddb
[INFO] running `Command { std: "docker" "start" "-a" "82ccdafaba2e251741f2024e55907f8877b85cc270f68be92946e9607d82eddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling dora v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking dora-parser v0.0.2
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]  Documenting dora v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `dora`
[INFO] [stdout] error[E0432]: unresolved import `core::alloc::Alloc`
[INFO] [stdout]  --> src/vtable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::alloc::Alloc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ no `Alloc` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[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(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name dora src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c807dd24ea7a1b4f -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-dcb416e5c13fd676.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-bfef075a35257808.rmeta --extern capstone=/opt/rustwide/target/debug/deps/libcapstone-5107d1a4a6ab36ca.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-366d373a606d2f60.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-8fa5fddc64924755.rmeta --extern dora_parser=/opt/rustwide/target/debug/deps/libdora_parser-6e57c43dc6f11f71.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-9c294bb264fe1cc4.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-a7b90567c690823e.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-673e1e05145a3f2a.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-6c11ee2196543ef4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d4ba9948e8eac3ec.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-3f1050d0debf581d.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-133015b43c1c35be.rmeta --extern scoped_threadpool=/opt/rustwide/target/debug/deps/libscoped_threadpool-811f64a8416dbe40.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-0496a84da28d0e06.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-136c2ccd81e74c4e.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dseg.rs:56:45
[INFO] [stdout]    |
[INFO] [stdout] 56 |                         *(entry_ptr as *mut (*const u8)) = v;
[INFO] [stdout]    |                                             ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -                         *(entry_ptr as *mut (*const u8)) = v;
[INFO] [stdout] 56 +                         *(entry_ptr as *mut *const u8) = v;
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82ccdafaba2e251741f2024e55907f8877b85cc270f68be92946e9607d82eddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ccdafaba2e251741f2024e55907f8877b85cc270f68be92946e9607d82eddb", kill_on_drop: false }`
[INFO] [stdout] 82ccdafaba2e251741f2024e55907f8877b85cc270f68be92946e9607d82eddb