[INFO] cloning repository https://github.com/dinfuehr/dora
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinfuehr/dora" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e71c4d93723ce2c525147b68ad3cecd48ab6e8a8
[INFO] documenting dinfuehr/dora against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dinfuehr/dora on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dinfuehr/dora
[INFO] finished tweaking git repo https://github.com/dinfuehr/dora
[INFO] tweaked toml for git repo https://github.com/dinfuehr/dora written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dinfuehr/dora already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d063138912cedd2f7cfaff3e759f9a468b67dde9c16adb2828706a2649df6d6d
[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" "d063138912cedd2f7cfaff3e759f9a468b67dde9c16adb2828706a2649df6d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d063138912cedd2f7cfaff3e759f9a468b67dde9c16adb2828706a2649df6d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d063138912cedd2f7cfaff3e759f9a468b67dde9c16adb2828706a2649df6d6d", kill_on_drop: false }`
[INFO] [stdout] d063138912cedd2f7cfaff3e759f9a468b67dde9c16adb2828706a2649df6d6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b81f3be5a2950cedbd40201fb38767ade4392424ab621b66e5870e95aa516a10
[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" "b81f3be5a2950cedbd40201fb38767ade4392424ab621b66e5870e95aa516a10", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]    Compiling dora v0.0.2 (/opt/rustwide/workdir/dora)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]     Checking dora-asm v0.0.1 (/opt/rustwide/workdir/dora-asm)
[INFO] [stderr]  Documenting dora-asm v0.0.1 (/opt/rustwide/workdir/dora-asm)
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking dora-parser v0.0.2 (/opt/rustwide/workdir/dora-parser)
[INFO] [stderr]  Documenting dora-parser v0.0.2 (/opt/rustwide/workdir/dora-parser)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking capstone v0.6.0
[INFO] [stderr]  Documenting dora v0.0.2 (/opt/rustwide/workdir/dora)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(new_uninit)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[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 dora/src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="capstone"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-461198e3a3e1689c.rmeta --extern capstone=/opt/rustwide/target/debug/deps/libcapstone-9ecf3f0fc62aca97.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-3a59133140036494.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-c892166514768a7d.rmeta --extern dora_asm=/opt/rustwide/target/debug/deps/libdora_asm-e380971404dbdbfb.rmeta --extern dora_parser=/opt/rustwide/target/debug/deps/libdora_parser-9ef83d3fad9bc2eb.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-3de230bdbcfb9c25.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-89eec0e6253e96f3.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-97712bff622dcc48.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-a5189383863bc09b.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-19eddd40197aec2d.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-7192e3da3150660d.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-f63854fb8d837b5f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-968737d009048a32.rmeta --extern raw_cpuid=/opt/rustwide/target/debug/deps/libraw_cpuid-50aa327f0648e428.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-b0715d17c439717d.rmeta --extern scoped_threadpool=/opt/rustwide/target/debug/deps/libscoped_threadpool-9672ea9e8226e295.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-553a1614dbb19b69.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-95a8136f57cecbf2.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-e2db7dcb0fbd95e1.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b81f3be5a2950cedbd40201fb38767ade4392424ab621b66e5870e95aa516a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81f3be5a2950cedbd40201fb38767ade4392424ab621b66e5870e95aa516a10", kill_on_drop: false }`
[INFO] [stdout] b81f3be5a2950cedbd40201fb38767ade4392424ab621b66e5870e95aa516a10
