[INFO] fetching crate borealis 0.1.0...
[INFO] checking borealis-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate borealis 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate borealis 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate borealis 0.1.0
[INFO] finished tweaking crates.io crate borealis 0.1.0
[INFO] tweaked toml for crates.io crate borealis 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 26ce92f72569df5dbd1f65075702fd726cbdea8b1d2d6977a6a3e58b4455b8be
[INFO] running `"docker" "start" "-a" "26ce92f72569df5dbd1f65075702fd726cbdea8b1d2d6977a6a3e58b4455b8be"`
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking utf-8 v0.6.0
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking tendril v0.2.4
[INFO] [stderr]     Checking borealis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html/document.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     try!(doctype.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html/document.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     try!(child.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             try!(serializer.start_elem(self.name().clone(),
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     try!(child.clone().serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(Serializable::serialize(document, serializer, traversal_scope));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             try!(serializer.end_elem(self.name().clone()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stderr]  --> src/html/document.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stderr]  --> src/html/element.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use html5ever::tree_builder::TreeSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tendril::TendrilSink`
[INFO] [stderr]  --> src/html/element.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use html5ever::tendril::TendrilSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stderr]  --> src/html/node.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html/document.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     try!(doctype.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/html/document.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     try!(child.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             try!(serializer.start_elem(self.name().clone(),
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     try!(child.clone().serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(Serializable::serialize(document, serializer, traversal_scope));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/html/element.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             try!(serializer.end_elem(self.name().clone()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stderr]  --> src/html/document.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stderr]  --> src/html/element.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use html5ever::tree_builder::TreeSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tendril::TendrilSink`
[INFO] [stderr]  --> src/html/element.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use html5ever::tendril::TendrilSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stderr]  --> src/html/node.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.13s
[INFO] running `"docker" "inspect" "26ce92f72569df5dbd1f65075702fd726cbdea8b1d2d6977a6a3e58b4455b8be"`
[INFO] running `"docker" "rm" "-f" "26ce92f72569df5dbd1f65075702fd726cbdea8b1d2d6977a6a3e58b4455b8be"`
[INFO] [stdout] 26ce92f72569df5dbd1f65075702fd726cbdea8b1d2d6977a6a3e58b4455b8be