[INFO] fetching crate remarkable 0.0.1...
[INFO] documenting remarkable-0.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate remarkable 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate remarkable 0.0.1 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-11/source/.cargo/config
[INFO] started tweaking crates.io crate remarkable 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate remarkable 0.0.1
[INFO] tweaked toml for crates.io crate remarkable 0.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v0.5.2
[INFO] [stderr]   Downloaded mmap v0.1.1
[INFO] [stderr]   Downloaded libmdns v0.2.7
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded inflate v0.3.4
[INFO] [stderr]   Downloaded redhook v0.1.2
[INFO] [stderr]   Downloaded rb v0.3.2
[INFO] [stderr]   Downloaded epoll v3.1.1
[INFO] [stderr]   Downloaded ioctl-gen v0.1.1
[INFO] [stderr]   Downloaded stb_truetype v0.2.8
[INFO] [stderr]   Downloaded rusttype v0.4.3
[INFO] [stderr]   Downloaded if-addrs-sys v0.3.2
[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded aabb-quadtree v0.1.0
[INFO] [stderr]   Downloaded if-addrs v0.6.5
[INFO] [stderr]   Downloaded evdev v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a5213dc7621c950ed1f902fed810b89507d97648c9c4a25b30c1cf2232ae9dbe
[INFO] running `Command { std: "docker" "start" "-a" "a5213dc7621c950ed1f902fed810b89507d97648c9c4a25b30c1cf2232ae9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5213dc7621c950ed1f902fed810b89507d97648c9c4a25b30c1cf2232ae9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5213dc7621c950ed1f902fed810b89507d97648c9c4a25b30c1cf2232ae9dbe", kill_on_drop: false }`
[INFO] [stdout] a5213dc7621c950ed1f902fed810b89507d97648c9c4a25b30c1cf2232ae9dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] c55e4ed1459f0b5a184a14a9fb72aa07f0cad2d2d66e6195db60b393ba8049f8
[INFO] running `Command { std: "docker" "start" "-a" "c55e4ed1459f0b5a184a14a9fb72aa07f0cad2d2d66e6195db60b393ba8049f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ioctl-gen v0.1.1
[INFO] [stderr]     Checking rb v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking aabb-quadtree v0.1.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking epoll v3.1.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking evdev v0.10.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]  Documenting remarkable v0.0.1 (/opt/rustwide/workdir)
[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(integer_atomics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_size_of)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `remarkable`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name remarkable 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 aabb_quadtree=/opt/rustwide/target/debug/deps/libaabb_quadtree-9aa88b8f73e8c51f.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-7716a3822bd8f715.rmeta --extern epoll=/opt/rustwide/target/debug/deps/libepoll-e959413384077e65.rmeta --extern evdev=/opt/rustwide/target/debug/deps/libevdev-2a2f4f36b5c9805c.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-a0a4ec7d2a30a07c.rmeta --extern ioctl_gen=/opt/rustwide/target/debug/deps/libioctl_gen-e1171d32f946ec29.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d38c567ce4ccc50e.rmeta --extern line_drawing=/opt/rustwide/target/debug/deps/libline_drawing-5a5600c3fcb1cc61.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-f8abb66ffc16068c.rmeta --extern mmap=/opt/rustwide/target/debug/deps/libmmap-fbe09758273f8e0b.rmeta --extern rb=/opt/rustwide/target/debug/deps/librb-4c89800a2848df2e.rmeta --extern rusttype=/opt/rustwide/target/debug/deps/librusttype-c4106e47485d27ed.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c55e4ed1459f0b5a184a14a9fb72aa07f0cad2d2d66e6195db60b393ba8049f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55e4ed1459f0b5a184a14a9fb72aa07f0cad2d2d66e6195db60b393ba8049f8", kill_on_drop: false }`
[INFO] [stdout] c55e4ed1459f0b5a184a14a9fb72aa07f0cad2d2d66e6195db60b393ba8049f8
