[INFO] fetching crate dora 0.0.2...
[INFO] documenting dora-0.0.2 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate dora 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate dora 0.0.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-0-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded bitflags v1.2.0
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded dora-parser v0.0.2
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded capstone v0.6.0
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded capstone-sys v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6ccf61626346dd1730758894843137d0b90d39f4665f3df1cd23e3ceb191911
[INFO] running `Command { std: "docker" "start" "-a" "d6ccf61626346dd1730758894843137d0b90d39f4665f3df1cd23e3ceb191911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6ccf61626346dd1730758894843137d0b90d39f4665f3df1cd23e3ceb191911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ccf61626346dd1730758894843137d0b90d39f4665f3df1cd23e3ceb191911", kill_on_drop: false }`
[INFO] [stdout] d6ccf61626346dd1730758894843137d0b90d39f4665f3df1cd23e3ceb191911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a8dd0bcc741ec9cc3c7a4e6400b650901cfef40cda737ebf5518230f741c077
[INFO] running `Command { std: "docker" "start" "-a" "7a8dd0bcc741ec9cc3c7a4e6400b650901cfef40cda737ebf5518230f741c077", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling dora v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking dora-parser v0.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]  Documenting dora v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `dora`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[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=f1aca035eb88a445 -L dependency=/opt/rustwide/target/debug/deps --extern backtrace=/opt/rustwide/target/debug/deps/libbacktrace-d69d5fdc51662826.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-5b06282660b7e7ce.rmeta --extern capstone=/opt/rustwide/target/debug/deps/libcapstone-f874c576c76cdd51.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-41de8259b6f13127.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-e05c85c9767fb0ba.rmeta --extern dora_parser=/opt/rustwide/target/debug/deps/libdora_parser-d2221017d4a7102f.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-9c294bb264fe1cc4.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-23c2f81c0e8c23b2.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4722c7be134ff6ed.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-02e4bc3e7614e2dc.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c5bcec9e5410e006.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-276ddb273758c3b8.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-fb021161da6d47e1.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-de70c6bbf106fc1d.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7a8dd0bcc741ec9cc3c7a4e6400b650901cfef40cda737ebf5518230f741c077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8dd0bcc741ec9cc3c7a4e6400b650901cfef40cda737ebf5518230f741c077", kill_on_drop: false }`
[INFO] [stdout] 7a8dd0bcc741ec9cc3c7a4e6400b650901cfef40cda737ebf5518230f741c077
