[INFO] cloning repository https://github.com/Dessix/lg600r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dessix/lg600r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDessix%2Flg600r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDessix%2Flg600r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f64cec3c39923a4672b63a3099e9b7596c078ac6
[INFO] documenting Dessix/lg600r against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDessix%2Flg600r" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dessix/lg600r on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dessix/lg600r
[INFO] finished tweaking git repo https://github.com/Dessix/lg600r
[INFO] tweaked toml for git repo https://github.com/Dessix/lg600r written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Dessix/lg600r already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9bcfb9bab108341eb2e5bdc32fc152c6b775d522f267eaf86de0a8f8321a141
[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" "d9bcfb9bab108341eb2e5bdc32fc152c6b775d522f267eaf86de0a8f8321a141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9bcfb9bab108341eb2e5bdc32fc152c6b775d522f267eaf86de0a8f8321a141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9bcfb9bab108341eb2e5bdc32fc152c6b775d522f267eaf86de0a8f8321a141", kill_on_drop: false }`
[INFO] [stdout] d9bcfb9bab108341eb2e5bdc32fc152c6b775d522f267eaf86de0a8f8321a141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b904cfcff3c6df971284d8bf67a30200d213aa66a851614c75f19d13cd07000
[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" "7b904cfcff3c6df971284d8bf67a30200d213aa66a851614c75f19d13cd07000", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling ryu v1.0.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling evdev-sys v0.2.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling which v3.0.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]     Checking evdev-rs v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling lg600r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting lg600r 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `lg600r`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lg600r src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern dirs=/opt/rustwide/target/debug/deps/libdirs-aa976bfdd0e831ff.rmeta --extern evdev_rs=/opt/rustwide/target/debug/deps/libevdev_rs-1a1965d2dda7a589.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-67d1bd455cf72429.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-6294c5e3b8c58b26.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a70705690497107c.rmeta --extern serde_value=/opt/rustwide/target/debug/deps/libserde_value-99f24927fbe3b6b2.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-fcd3cc975a270549.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8ea318453f8caa8f.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-9668bf7da18dddf8.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-acccb4461b92921e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "7b904cfcff3c6df971284d8bf67a30200d213aa66a851614c75f19d13cd07000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b904cfcff3c6df971284d8bf67a30200d213aa66a851614c75f19d13cd07000", kill_on_drop: false }`
[INFO] [stdout] 7b904cfcff3c6df971284d8bf67a30200d213aa66a851614c75f19d13cd07000
