[INFO] cloning repository https://github.com/johnpmayer/clamor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnpmayer/clamor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fclamor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fclamor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3cad3665ec21944a3e3c5ee41e2b78ebd844f2b
[INFO] documenting johnpmayer/clamor against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnpmayer%2Fclamor" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnpmayer/clamor on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnpmayer/clamor
[INFO] finished tweaking git repo https://github.com/johnpmayer/clamor
[INFO] tweaked toml for git repo https://github.com/johnpmayer/clamor written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/johnpmayer/clamor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09358c104a433fac4a4fa7208e2fe211df80d2ae2e750c2f2a163a1739f2f0c1
[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" "09358c104a433fac4a4fa7208e2fe211df80d2ae2e750c2f2a163a1739f2f0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09358c104a433fac4a4fa7208e2fe211df80d2ae2e750c2f2a163a1739f2f0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09358c104a433fac4a4fa7208e2fe211df80d2ae2e750c2f2a163a1739f2f0c1", kill_on_drop: false }`
[INFO] [stdout] 09358c104a433fac4a4fa7208e2fe211df80d2ae2e750c2f2a163a1739f2f0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ccf173241c42ce77e7a71a1fbc1c3c2fc2c2077f9231373f076052b1e975ba
[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" "f0ccf173241c42ce77e7a71a1fbc1c3c2fc2c2077f9231373f076052b1e975ba", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking either v1.3.0
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.8
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking allocators v0.1.0 (https://github.com/citybound/citybound#92415ab0)
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling x11-dl v2.16.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking inflate v0.3.3
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking draw_state v0.7.1
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking stb_truetype v0.2.1
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking chunked v0.1.0 (https://github.com/citybound/citybound#92415ab0)
[INFO] [stderr]     Checking nodrop v0.1.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/citybound-01a382b1dd62b125/92415ab/engine/chunked/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(box_syntax)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr] error: could not compile `chunked`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[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" "f0ccf173241c42ce77e7a71a1fbc1c3c2fc2c2077f9231373f076052b1e975ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ccf173241c42ce77e7a71a1fbc1c3c2fc2c2077f9231373f076052b1e975ba", kill_on_drop: false }`
[INFO] [stdout] f0ccf173241c42ce77e7a71a1fbc1c3c2fc2c2077f9231373f076052b1e975ba