[INFO] cloning repository https://github.com/axiom-micro/recorder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axiom-micro/recorder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxiom-micro%2Frecorder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxiom-micro%2Frecorder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f859372dffcd5fbb606c60d667bab1b1a854e86
[INFO] documenting axiom-micro/recorder against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxiom-micro%2Frecorder" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axiom-micro/recorder on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/axiom-micro/recorder
[INFO] finished tweaking git repo https://github.com/axiom-micro/recorder
[INFO] tweaked toml for git repo https://github.com/axiom-micro/recorder written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/axiom-micro/recorder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.2.6
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.1
[INFO] [stderr]   Downloaded cmake v0.1.34
[INFO] [stderr]   Downloaded flame v0.2.2
[INFO] [stderr]   Downloaded servo-freetype-sys v4.0.3
[INFO] [stderr]   Downloaded core-text v13.0.0
[INFO] [stderr]   Downloaded expat-sys v2.1.5
[INFO] [stderr]   Downloaded core-foundation v0.6.1
[INFO] [stderr]   Downloaded euclid v0.19.0
[INFO] [stderr]   Downloaded glium v0.22.0
[INFO] [stderr]   Downloaded dwrote v0.5.0
[INFO] [stderr]   Downloaded cocoa v0.18.0
[INFO] [stderr]   Downloaded bus v2.0.0
[INFO] [stderr]   Downloaded core-graphics v0.17.1
[INFO] [stderr]   Downloaded lyon_geom v0.12.1
[INFO] [stderr]   Downloaded glutin v0.17.0
[INFO] [stderr]   Downloaded winit v0.16.2
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.6
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a74478ab2f3eb0bd1a75468d4624cfacb2a3ad6e2a0bd5a9ac2356ca0eec8821
[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" "a74478ab2f3eb0bd1a75468d4624cfacb2a3ad6e2a0bd5a9ac2356ca0eec8821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74478ab2f3eb0bd1a75468d4624cfacb2a3ad6e2a0bd5a9ac2356ca0eec8821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74478ab2f3eb0bd1a75468d4624cfacb2a3ad6e2a0bd5a9ac2356ca0eec8821", kill_on_drop: false }`
[INFO] [stdout] a74478ab2f3eb0bd1a75468d4624cfacb2a3ad6e2a0bd5a9ac2356ca0eec8821
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bce1ffc53905dd6bd42088617086e66b733ed8545f4e3bfa7d07124f726dbbb
[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" "1bce1ffc53905dd6bd42088617086e66b733ed8545f4e3bfa7d07124f726dbbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking dirs v1.0.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.6
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking euclid v0.19.0
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling cmake v0.1.34
[INFO] [stderr]     Checking bus v2.0.0
[INFO] [stderr]     Checking lyon_geom v0.12.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling expat-sys v2.1.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking lyon_path v0.12.0
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking font-kit v0.1.0
[INFO] [stderr]     Checking flame v0.2.2
[INFO] [stderr]  Documenting recorder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[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 `recorder`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name recorder 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 bus=/opt/rustwide/target/debug/deps/libbus-1b3f33a5d0df1bd1.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-2da63f6b8a309a6e.rmeta --extern euclid=/opt/rustwide/target/debug/deps/libeuclid-0e176e011570f70a.rmeta --extern flame=/opt/rustwide/target/debug/deps/libflame-413afe0fbfda47fd.rmeta --extern font_kit=/opt/rustwide/target/debug/deps/libfont_kit-c458b06c7675eb09.rmeta --extern glium=/opt/rustwide/target/debug/deps/libglium-f93bebb662823ad5.rmeta --extern glutin=/opt/rustwide/target/debug/deps/libglutin-350e08d66c2dfede.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "1bce1ffc53905dd6bd42088617086e66b733ed8545f4e3bfa7d07124f726dbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bce1ffc53905dd6bd42088617086e66b733ed8545f4e3bfa7d07124f726dbbb", kill_on_drop: false }`
[INFO] [stdout] 1bce1ffc53905dd6bd42088617086e66b733ed8545f4e3bfa7d07124f726dbbb