[INFO] cloning repository https://github.com/exrook/leds
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exrook/leds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexrook%2Fleds", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexrook%2Fleds'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dcef90d8b03061736453e2eb4c13fb1b9a3d246
[INFO] documenting exrook/leds against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexrook%2Fleds" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exrook/leds on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/exrook/leds
[INFO] finished tweaking git repo https://github.com/exrook/leds
[INFO] tweaked toml for git repo https://github.com/exrook/leds written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/exrook/leds already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gleam v0.4.8
[INFO] [stderr]   Downloaded xml-rs v0.6.2
[INFO] [stderr]   Downloaded cpp_syn v0.12.0
[INFO] [stderr]   Downloaded portaudio v0.7.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.13
[INFO] [stderr]   Downloaded cpp_synom v0.12.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.14.4
[INFO] [stderr]   Downloaded gfx_core v0.7.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.15
[INFO] [stderr]   Downloaded cpp_macros v0.2.1
[INFO] [stderr]   Downloaded special v0.7.4
[INFO] [stderr]   Downloaded cpp_synmap v0.2.0
[INFO] [stderr]   Downloaded cpp_common v0.2.1
[INFO] [stderr]   Downloaded cpp v0.2.1
[INFO] [stderr]   Downloaded cpp_build v0.2.1
[INFO] [stderr]   Downloaded atomic_box v0.1.1
[INFO] [stderr]   Downloaded probability v0.15.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cb6273479bd1dcf5d19394a189fa66c3e308c14b71e010cab7e1bea154da37a
[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" "5cb6273479bd1dcf5d19394a189fa66c3e308c14b71e010cab7e1bea154da37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cb6273479bd1dcf5d19394a189fa66c3e308c14b71e010cab7e1bea154da37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb6273479bd1dcf5d19394a189fa66c3e308c14b71e010cab7e1bea154da37a", kill_on_drop: false }`
[INFO] [stdout] 5cb6273479bd1dcf5d19394a189fa66c3e308c14b71e010cab7e1bea154da37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 7bb8b3a0330429d6199aa5f6b7a91db13b1f6e8f59e9672f8796f6abca2a9279
[INFO] running `Command { std: "docker" "start" "-a" "7bb8b3a0330429d6199aa5f6b7a91db13b1f6e8f59e9672f8796f6abca2a9279", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling either v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.0
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]     Checking atomic_box v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7bb8b3a0330429d6199aa5f6b7a91db13b1f6e8f59e9672f8796f6abca2a9279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb8b3a0330429d6199aa5f6b7a91db13b1f6e8f59e9672f8796f6abca2a9279", kill_on_drop: false }`
[INFO] [stdout] 7bb8b3a0330429d6199aa5f6b7a91db13b1f6e8f59e9672f8796f6abca2a9279