[INFO] fetching crate moxie-dom 0.2.2...
[INFO] testing moxie-dom-0.2.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate moxie-dom 0.2.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate moxie-dom 0.2.2 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 crates.io crate moxie-dom 0.2.2
[INFO] finished tweaking crates.io crate moxie-dom 0.2.2
[INFO] tweaked toml for crates.io crate moxie-dom 0.2.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ec330a60ec04c885aa004f425a02ec21c97c75d11c82031a25c9606f5f330889
[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" "ec330a60ec04c885aa004f425a02ec21c97c75d11c82031a25c9606f5f330889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec330a60ec04c885aa004f425a02ec21c97c75d11c82031a25c9606f5f330889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec330a60ec04c885aa004f425a02ec21c97c75d11c82031a25c9606f5f330889", kill_on_drop: false }`
[INFO] [stdout] ec330a60ec04c885aa004f425a02ec21c97c75d11c82031a25c9606f5f330889
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTFLAGS=--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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f24242a1c86169c4c96c2a648f6710ec1d23cd24a0dced10249608d5ccea653
[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" "2f24242a1c86169c4c96c2a648f6710ec1d23cd24a0dced10249608d5ccea653", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling snax v0.3.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling syn-mid v0.5.1
[INFO] [stderr]    Compiling topo-macro v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling illicit-macro v0.9.0
[INFO] [stderr]    Compiling mox v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]    Compiling illicit v0.9.2
[INFO] [stderr]    Compiling topo v0.9.4
[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/topo-0.9.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[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 `topo`.
[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" "2f24242a1c86169c4c96c2a648f6710ec1d23cd24a0dced10249608d5ccea653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f24242a1c86169c4c96c2a648f6710ec1d23cd24a0dced10249608d5ccea653", kill_on_drop: false }`
[INFO] [stdout] 2f24242a1c86169c4c96c2a648f6710ec1d23cd24a0dced10249608d5ccea653
