[INFO] cloning repository https://github.com/jeremiah-crosby/wizard_conquest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremiah-crosby/wizard_conquest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremiah-crosby%2Fwizard_conquest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremiah-crosby%2Fwizard_conquest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47f442a1db96a834027bee391ce8372621c6d871
[INFO] documenting jeremiah-crosby/wizard_conquest against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremiah-crosby%2Fwizard_conquest" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremiah-crosby/wizard_conquest on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremiah-crosby/wizard_conquest
[INFO] finished tweaking git repo https://github.com/jeremiah-crosby/wizard_conquest
[INFO] tweaked toml for git repo https://github.com/jeremiah-crosby/wizard_conquest written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremiah-crosby/wizard_conquest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 920666bcb2807a7e95aab015d0b0273e7ef6c8e84c2157a09327c247f6c5a939
[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" "920666bcb2807a7e95aab015d0b0273e7ef6c8e84c2157a09327c247f6c5a939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920666bcb2807a7e95aab015d0b0273e7ef6c8e84c2157a09327c247f6c5a939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920666bcb2807a7e95aab015d0b0273e7ef6c8e84c2157a09327c247f6c5a939", kill_on_drop: false }`
[INFO] [stdout] 920666bcb2807a7e95aab015d0b0273e7ef6c8e84c2157a09327c247f6c5a939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5708e0263dc10138732d936bae8c9975b251f0415749dca03f257bc97dbf5e2c
[INFO] running `Command { std: "docker" "start" "-a" "5708e0263dc10138732d936bae8c9975b251f0415749dca03f257bc97dbf5e2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking base64 v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.1
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking sdl2 v0.27.3
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]     Checking hibitset v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking shred v0.4.6
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking tiled v0.7.4
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking specs v0.9.5
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking glium_sdl2 v0.13.0
[INFO] [stderr]  Documenting wizard_conquest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `wizard_conquest`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name wizard_conquest src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-e05c5c9a2922cb7f.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-7722d5952f112cf5.rmeta --extern glium=/opt/rustwide/target/debug/deps/libglium-68d4baad5cc5fe64.rmeta --extern glium_sdl2=/opt/rustwide/target/debug/deps/libglium_sdl2-69736870721e60bc.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-77fbf2c8125b70b6.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-0e355727854478f2.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-69ae3f8c6cc336f5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2c6798add0fad2d7.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d42969b0103d6cd1.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-936ef3b2913a6415.rmeta --extern specs=/opt/rustwide/target/debug/deps/libspecs-3421179b4ba33e15.rmeta --extern tiled=/opt/rustwide/target/debug/deps/libtiled-e94e2569ee03217d.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-3abc31f08f74b249.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-aaaa03db4559d2e7.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5708e0263dc10138732d936bae8c9975b251f0415749dca03f257bc97dbf5e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5708e0263dc10138732d936bae8c9975b251f0415749dca03f257bc97dbf5e2c", kill_on_drop: false }`
[INFO] [stdout] 5708e0263dc10138732d936bae8c9975b251f0415749dca03f257bc97dbf5e2c