[INFO] cloning repository https://github.com/Varunml3/nbody
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Varunml3/nbody" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVarunml3%2Fnbody", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVarunml3%2Fnbody'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f44956fd891a150d6e7e2b12b61eda4cef23ff4
[INFO] documenting Varunml3/nbody 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%2FVarunml3%2Fnbody" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Varunml3/nbody 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/Varunml3/nbody
[INFO] finished tweaking git repo https://github.com/Varunml3/nbody
[INFO] tweaked toml for git repo https://github.com/Varunml3/nbody written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Varunml3/nbody 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1ba7f93eeb9bf9f2458695086c9b0db80a74641db35be69348d225f1ddb554d9
[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" "1ba7f93eeb9bf9f2458695086c9b0db80a74641db35be69348d225f1ddb554d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba7f93eeb9bf9f2458695086c9b0db80a74641db35be69348d225f1ddb554d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba7f93eeb9bf9f2458695086c9b0db80a74641db35be69348d225f1ddb554d9", kill_on_drop: false }`
[INFO] [stdout] 1ba7f93eeb9bf9f2458695086c9b0db80a74641db35be69348d225f1ddb554d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffb3c1916224887b78b0f7ea332bfe167b93257f9d89134adf78a9b054370cdc
[INFO] running `Command { std: "docker" "start" "-a" "ffb3c1916224887b78b0f7ea332bfe167b93257f9d89134adf78a9b054370cdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking profiling v1.0.1
[INFO] [stderr]     Checking float-ord v0.3.1
[INFO] [stderr]     Checking atomic_float v0.1.0
[INFO] [stderr]    Compiling wgpu-core v0.8.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking khronos-egl v4.1.0
[INFO] [stderr]     Checking wgpu-types v0.8.0
[INFO] [stderr]     Checking gpu-alloc v0.4.4
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling nbody v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling snmalloc-sys v0.2.27
[INFO] [stderr]    Compiling const_env_impl v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling const_env v0.1.2
[INFO] [stderr]    Compiling nbody_macros v0.1.0 (/opt/rustwide/workdir/nbody_macros)
[INFO] [stderr]     Checking tokio v1.5.0
[INFO] [stderr]     Checking snmalloc-rs v0.2.27
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking naga v0.4.0
[INFO] [stderr]     Checking gfx-hal v0.8.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.8.0
[INFO] [stderr]     Checking gfx-backend-gl v0.8.1
[INFO] [stderr]     Checking gfx-backend-empty v0.8.0
[INFO] [stderr]     Checking wgpu v0.8.0
[INFO] [stderr]  Documenting nbody 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api, allocator_internals)]
[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 `nbody`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name nbody 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 atomic_float=/opt/rustwide/target/debug/deps/libatomic_float-dafbf87c568829b5.rmeta --extern const_env=/opt/rustwide/target/debug/deps/libconst_env-8151cae47e137a7e.so --extern float_ord=/opt/rustwide/target/debug/deps/libfloat_ord-8b3e545f7d11053a.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-cfc7cc9efd6ec66e.rmeta --extern nbody_macros=/opt/rustwide/target/debug/deps/libnbody_macros-29f4349d1411ceb8.so --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-f63854fb8d837b5f.rmeta --extern snmalloc_rs=/opt/rustwide/target/debug/deps/libsnmalloc_rs-dd500129b03afcab.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d1ba9f85f4654a32.rmeta --extern wgpu=/opt/rustwide/target/debug/deps/libwgpu-ae15465a4aeef99e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ffb3c1916224887b78b0f7ea332bfe167b93257f9d89134adf78a9b054370cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb3c1916224887b78b0f7ea332bfe167b93257f9d89134adf78a9b054370cdc", kill_on_drop: false }`
[INFO] [stdout] ffb3c1916224887b78b0f7ea332bfe167b93257f9d89134adf78a9b054370cdc
