[INFO] fetching crate xml_dom 0.1.1...
[INFO] checking xml_dom-0.1.1 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate xml_dom 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xml_dom 0.1.1 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xml_dom 0.1.1
[INFO] finished tweaking crates.io crate xml_dom 0.1.1
[INFO] tweaked toml for crates.io crate xml_dom 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate xml_dom 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 204b316801285bf35b6d97ac2e6d39bd8f4b0accc18d35bfebba7ac51e468b05
[INFO] running `"docker" "start" "-a" "204b316801285bf35b6d97ac2e6d39bd8f4b0accc18d35bfebba7ac51e468b05"`
[INFO] [stderr]     Checking xml_dom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/trait_impls.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 | /         ((feature == XML_FEATURE_CORE || feature == XML_FEATURE_XML) && (version == XML_FEATURE_V1)
[INFO] [stderr] 435 | |             || (feature == XML_FEATURE_CORE && version == XML_FEATURE_V2))
[INFO] [stderr]     | |__________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 434 |         (feature == XML_FEATURE_CORE || feature == XML_FEATURE_XML) && (version == XML_FEATURE_V1)
[INFO] [stderr] 435 |             || (feature == XML_FEATURE_CORE && version == XML_FEATURE_V2)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/trait_impls.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 | /         ((feature == XML_FEATURE_CORE || feature == XML_FEATURE_XML) && (version == XML_FEATURE_V1)
[INFO] [stderr] 435 | |             || (feature == XML_FEATURE_CORE && version == XML_FEATURE_V2))
[INFO] [stderr]     | |__________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 434 |         (feature == XML_FEATURE_CORE || feature == XML_FEATURE_XML) && (version == XML_FEATURE_V1)
[INFO] [stderr] 435 |             || (feature == XML_FEATURE_CORE && version == XML_FEATURE_V2)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/java_example.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     user.set_attribute("id", id);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/java_example.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     user.append_child(create_user_element(doc, "firstname", first_name));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/java_example.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     user.append_child(create_user_element(doc, "lastname", last_name));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/java_example.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     user.append_child(create_user_element(doc, "occupation", occupation));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/java_example.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     node.append_child(doc.create_text_node(value));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "204b316801285bf35b6d97ac2e6d39bd8f4b0accc18d35bfebba7ac51e468b05"`
[INFO] running `"docker" "rm" "-f" "204b316801285bf35b6d97ac2e6d39bd8f4b0accc18d35bfebba7ac51e468b05"`
[INFO] [stdout] 204b316801285bf35b6d97ac2e6d39bd8f4b0accc18d35bfebba7ac51e468b05