[INFO] cloning repository https://github.com/ctrlcctrlv/Qglif
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctrlcctrlv/Qglif" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctrlcctrlv%2FQglif", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctrlcctrlv%2FQglif'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2fc02b4610db60167fb15bf911054ec75a6bc0b
[INFO] documenting ctrlcctrlv/Qglif 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%2Fctrlcctrlv%2FQglif" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctrlcctrlv/Qglif 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/ctrlcctrlv/Qglif
[INFO] finished tweaking git repo https://github.com/ctrlcctrlv/Qglif
[INFO] tweaked toml for git repo https://github.com/ctrlcctrlv/Qglif written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mfeq/glifparser`
[INFO] [stderr]     Updating git repository `https://github.com/jazzfool/reclutch`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3345cb50c5f185d6a3f44cf046eeb116abf03c8843672bcdd8f32df2cff668d8
[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" "3345cb50c5f185d6a3f44cf046eeb116abf03c8843672bcdd8f32df2cff668d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3345cb50c5f185d6a3f44cf046eeb116abf03c8843672bcdd8f32df2cff668d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3345cb50c5f185d6a3f44cf046eeb116abf03c8843672bcdd8f32df2cff668d8", kill_on_drop: false }`
[INFO] [stdout] 3345cb50c5f185d6a3f44cf046eeb116abf03c8843672bcdd8f32df2cff668d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9713c80fdf546b8afe977945fc99900bf04364ec3c10ae1d1ed55744872a2222
[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" "9713c80fdf546b8afe977945fc99900bf04364ec3c10ae1d1ed55744872a2222", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]     Checking as-any v0.2.0
[INFO] [stderr]    Compiling imgui-sys v0.4.0
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]     Checking xmltree v0.10.1
[INFO] [stderr]     Checking reclutch_event v0.0.0 (https://github.com/jazzfool/reclutch#8c3e24f0)
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling reclutch_derive v0.0.0 (https://github.com/jazzfool/reclutch#8c3e24f0)
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking glifparser v0.1.0 (https://github.com/mfeq/glifparser#73379d7e)
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/glifparser-a0b09305bd94eda1/73379d7/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(assoc_char_funcs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `glifparser`.
[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" "9713c80fdf546b8afe977945fc99900bf04364ec3c10ae1d1ed55744872a2222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9713c80fdf546b8afe977945fc99900bf04364ec3c10ae1d1ed55744872a2222", kill_on_drop: false }`
[INFO] [stdout] 9713c80fdf546b8afe977945fc99900bf04364ec3c10ae1d1ed55744872a2222