[INFO] cloning repository https://github.com/JohnCorby/input-recorder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnCorby/input-recorder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnCorby%2Finput-recorder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnCorby%2Finput-recorder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 356f3900268e7d20c90cdfa3f9f91517ded30e5c
[INFO] documenting JohnCorby/input-recorder 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%2FJohnCorby%2Finput-recorder" "/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/JohnCorby/input-recorder 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/JohnCorby/input-recorder
[INFO] finished tweaking git repo https://github.com/JohnCorby/input-recorder
[INFO] tweaked toml for git repo https://github.com/JohnCorby/input-recorder written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnCorby/input-recorder 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] 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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4025e291302646ba955a74c8f725beeb1c70be083686537e6319743625eeb15
[INFO] running `Command { std: "docker" "start" "-a" "e4025e291302646ba955a74c8f725beeb1c70be083686537e6319743625eeb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4025e291302646ba955a74c8f725beeb1c70be083686537e6319743625eeb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4025e291302646ba955a74c8f725beeb1c70be083686537e6319743625eeb15", kill_on_drop: false }`
[INFO] [stdout] e4025e291302646ba955a74c8f725beeb1c70be083686537e6319743625eeb15
[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" "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] 4863562ab5bd5974ac5a8651d19d8152e7439041e52f6ab973eb01036129cf13
[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" "4863562ab5bd5974ac5a8651d19d8152e7439041e52f6ab973eb01036129cf13", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]     Checking iced_core v0.4.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling glam v0.10.2
[INFO] [stderr]    Compiling nfd v0.0.4
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[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/lock_api-0.4.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking khronos-egl v3.0.2
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4863562ab5bd5974ac5a8651d19d8152e7439041e52f6ab973eb01036129cf13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4863562ab5bd5974ac5a8651d19d8152e7439041e52f6ab973eb01036129cf13", kill_on_drop: false }`
[INFO] [stdout] 4863562ab5bd5974ac5a8651d19d8152e7439041e52f6ab973eb01036129cf13
