[INFO] fetching crate xmltree 0.10.1...
[INFO] checking xmltree-0.10.1 against beta for pr-78714
[INFO] extracting crate xmltree 0.10.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xmltree 0.10.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmltree 0.10.1
[INFO] finished tweaking crates.io crate xmltree 0.10.1
[INFO] tweaked toml for crates.io crate xmltree 0.10.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e0f694f7f4ca994073a2d20958bec651a694afe829a02b96fcdd6387a1bbeb1
[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" "7e0f694f7f4ca994073a2d20958bec651a694afe829a02b96fcdd6387a1bbeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0f694f7f4ca994073a2d20958bec651a694afe829a02b96fcdd6387a1bbeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0f694f7f4ca994073a2d20958bec651a694afe829a02b96fcdd6387a1bbeb1", kill_on_drop: false }`
[INFO] [stdout] 7e0f694f7f4ca994073a2d20958bec651a694afe829a02b96fcdd6387a1bbeb1
[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" "RUSTFLAGS=--cap-lints=forbid" "-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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7971b30406c89afcfecdfe60df27dbc93e6a6cfe077bd8a1fdf9df8fdd44711e
[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" "7971b30406c89afcfecdfe60df27dbc93e6a6cfe077bd8a1fdf9df8fdd44711e", kill_on_drop: false }`
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking xmltree v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/suite.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `text` on type `xmltree::Element`
[INFO] [stdout]    --> benches/suite.rs:146:22
[INFO] [stdout]     |
[INFO] [stdout] 146 |         assert_eq!(e.text, None);
[INFO] [stdout]     |                      ^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `prefix`, `namespace`, `namespaces`, `name`, `attributes`, `children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmltree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7971b30406c89afcfecdfe60df27dbc93e6a6cfe077bd8a1fdf9df8fdd44711e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7971b30406c89afcfecdfe60df27dbc93e6a6cfe077bd8a1fdf9df8fdd44711e", kill_on_drop: false }`
[INFO] [stdout] 7971b30406c89afcfecdfe60df27dbc93e6a6cfe077bd8a1fdf9df8fdd44711e