[INFO] cloning repository https://github.com/luc-tielen/fire-emblem-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luc-tielen/fire-emblem-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluc-tielen%2Ffire-emblem-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluc-tielen%2Ffire-emblem-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25b63a5bb4ac4c439da2c4a07a8992fb4398e36a
[INFO] documenting luc-tielen/fire-emblem-rs 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%2Fluc-tielen%2Ffire-emblem-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luc-tielen/fire-emblem-rs 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/luc-tielen/fire-emblem-rs
[INFO] finished tweaking git repo https://github.com/luc-tielen/fire-emblem-rs
[INFO] tweaked toml for git repo https://github.com/luc-tielen/fire-emblem-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/luc-tielen/fire-emblem-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2af4d0ca6b425adf6f068e8214b966a92ea1070a5c445888bc0eb6c5e5009bee
[INFO] running `Command { std: "docker" "start" "-a" "2af4d0ca6b425adf6f068e8214b966a92ea1070a5c445888bc0eb6c5e5009bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af4d0ca6b425adf6f068e8214b966a92ea1070a5c445888bc0eb6c5e5009bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af4d0ca6b425adf6f068e8214b966a92ea1070a5c445888bc0eb6c5e5009bee", kill_on_drop: false }`
[INFO] [stdout] 2af4d0ca6b425adf6f068e8214b966a92ea1070a5c445888bc0eb6c5e5009bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c3d6ab1f6c891469234c4f68a37278d8959acea8261bbb310eee5cf823cd352e
[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" "c3d6ab1f6c891469234c4f68a37278d8959acea8261bbb310eee5cf823cd352e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling gobject-sys v0.4.0
[INFO] [stderr]    Compiling gio-sys v0.4.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0
[INFO] [stderr]    Compiling pango-sys v0.4.0
[INFO] [stderr]    Compiling gdk-sys v0.4.0
[INFO] [stderr]    Compiling atk-sys v0.4.0
[INFO] [stderr]    Compiling gtk-sys v0.4.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]     Checking futures-glib v0.2.1
[INFO] [stderr]     Checking glib v0.3.1
[INFO] [stderr]     Checking relm-core v0.10.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]     Checking relm-state v0.10.1
[INFO] [stderr]    Compiling relm-gen-widget v0.10.0
[INFO] [stderr]    Compiling relm-derive-common v0.10.0
[INFO] [stderr]     Checking pango v0.2.0
[INFO] [stderr]    Compiling relm-derive v0.10.0
[INFO] [stderr]    Compiling relm-attributes v0.10.0
[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/relm-attributes-0.10.0/src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(proc_macro)]
[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 `relm-attributes`.
[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" "c3d6ab1f6c891469234c4f68a37278d8959acea8261bbb310eee5cf823cd352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d6ab1f6c891469234c4f68a37278d8959acea8261bbb310eee5cf823cd352e", kill_on_drop: false }`
[INFO] [stdout] c3d6ab1f6c891469234c4f68a37278d8959acea8261bbb310eee5cf823cd352e
