[INFO] cloning repository https://github.com/Niedzwiedzw/prawario
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niedzwiedzw/prawario" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Fprawario", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiedzwiedzw%2Fprawario'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcd29b6393fdc04832ee1dcbe9682e298ebde159
[INFO] documenting Niedzwiedzw/prawario 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%2FNiedzwiedzw%2Fprawario" "/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/Niedzwiedzw/prawario 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] started tweaking git repo https://github.com/Niedzwiedzw/prawario
[INFO] finished tweaking git repo https://github.com/Niedzwiedzw/prawario
[INFO] tweaked toml for git repo https://github.com/Niedzwiedzw/prawario written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Niedzwiedzw/prawario 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] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 92c93c3602ccfa01b94bfc152e69e0cf2d1ca2bc267f4ae3a5763e084ef4d89f
[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" "92c93c3602ccfa01b94bfc152e69e0cf2d1ca2bc267f4ae3a5763e084ef4d89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92c93c3602ccfa01b94bfc152e69e0cf2d1ca2bc267f4ae3a5763e084ef4d89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c93c3602ccfa01b94bfc152e69e0cf2d1ca2bc267f4ae3a5763e084ef4d89f", kill_on_drop: false }`
[INFO] [stdout] 92c93c3602ccfa01b94bfc152e69e0cf2d1ca2bc267f4ae3a5763e084ef4d89f
[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] c56d271361109a0b82dec41782985b87063ee74f7f011fbf6df3feced7bc3b58
[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" "c56d271361109a0b82dec41782985b87063ee74f7f011fbf6df3feced7bc3b58", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]     Checking base64 v0.12.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking elefont v0.1.3
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking wee_alloc v0.4.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking golem v0.1.3
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking gilrs-core v0.2.6
[INFO] [stderr]     Checking gilrs v0.7.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde v1.0.112
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking web-sys v0.3.40
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking platter v0.1.4
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking gestalt v0.1.0
[INFO] [stderr]     Checking warp v0.2.3
[INFO] [stderr]     Checking blinds v0.1.6
[INFO] [stderr]     Checking quicksilver v0.4.0-alpha0.5
[INFO] [stderr]  Documenting prawario v0.1.0 (/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(async_closure)]
[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 `prawario`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-name prawario src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="backend"' --cfg 'feature="default"' --cfg 'feature="futures_new"' --cfg 'feature="pretty_env_logger"' --cfg 'feature="tokio"' --cfg 'feature="warp"' --cfg 'feature="wee_alloc"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern console_error_panic_hook=/opt/rustwide/target/debug/deps/libconsole_error_panic_hook-735d171184bb960f.rmeta --extern futures_new=/opt/rustwide/target/debug/deps/libfutures-5ad6434c0ba41a75.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0afb4b0f5d1f045c.rmeta --extern js_sys=/opt/rustwide/target/debug/deps/libjs_sys-e04531dec26dd17d.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-0b9d13b162adfa88.rmeta --extern quicksilver=/opt/rustwide/target/debug/deps/libquicksilver-a4945ad8b9fdc410.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a9fabae17f9a28ad.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-814a5b74839a6493.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-bf185fc056dc02d2.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-da321fb6120aa410.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-edf2e97d14a1fe84.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-ce65242eea7d3575.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-498b9c4f5faec213.rmeta --extern web_sys=/opt/rustwide/target/debug/deps/libweb_sys-f916dc5aedf4ae89.rmeta --extern wee_alloc=/opt/rustwide/target/debug/deps/libwee_alloc-23b189daf70d3448.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "c56d271361109a0b82dec41782985b87063ee74f7f011fbf6df3feced7bc3b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56d271361109a0b82dec41782985b87063ee74f7f011fbf6df3feced7bc3b58", kill_on_drop: false }`
[INFO] [stdout] c56d271361109a0b82dec41782985b87063ee74f7f011fbf6df3feced7bc3b58
