[INFO] fetching crate borealis 0.1.0...
[INFO] testing borealis-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate borealis 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate borealis 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "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] a881e2c7002bd8842ea45bfb1db1e4635c37ad9d2a5c644044ef5bd3598bfb3b
[INFO] running `Command { std: "docker" "start" "-a" "a881e2c7002bd8842ea45bfb1db1e4635c37ad9d2a5c644044ef5bd3598bfb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a881e2c7002bd8842ea45bfb1db1e4635c37ad9d2a5c644044ef5bd3598bfb3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a881e2c7002bd8842ea45bfb1db1e4635c37ad9d2a5c644044ef5bd3598bfb3b", kill_on_drop: false }`
[INFO] [stdout] a881e2c7002bd8842ea45bfb1db1e4635c37ad9d2a5c644044ef5bd3598bfb3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", 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] 889b38c3a7b0cc5cc11cc810e0f3799506cff8a93b0198d4bec5b28c45cc22b5
[INFO] running `Command { std: "docker" "start" "-a" "889b38c3a7b0cc5cc11cc810e0f3799506cff8a93b0198d4bec5b28c45cc22b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]    Compiling borealis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html/document.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     try!(doctype.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html/document.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     try!(child.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(serializer.start_elem(self.name().clone(),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     try!(child.clone().serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 try!(Serializable::serialize(document, serializer, traversal_scope));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             try!(serializer.end_elem(self.name().clone()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/document.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/element.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tendril::TendrilSink`
[INFO] [stdout]  --> src/html/element.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tendril::TendrilSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "889b38c3a7b0cc5cc11cc810e0f3799506cff8a93b0198d4bec5b28c45cc22b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889b38c3a7b0cc5cc11cc810e0f3799506cff8a93b0198d4bec5b28c45cc22b5", kill_on_drop: false }`
[INFO] [stdout] 889b38c3a7b0cc5cc11cc810e0f3799506cff8a93b0198d4bec5b28c45cc22b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 154d2c07bf6dd1ef122ad77cee8d7f64441273a84159c515f11807651c911b24
[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" "154d2c07bf6dd1ef122ad77cee8d7f64441273a84159c515f11807651c911b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling borealis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html/document.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     try!(doctype.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html/document.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     try!(child.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(serializer.start_elem(self.name().clone(),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     try!(child.clone().serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 try!(Serializable::serialize(document, serializer, traversal_scope));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             try!(serializer.end_elem(self.name().clone()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/document.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/element.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tendril::TendrilSink`
[INFO] [stdout]  --> src/html/element.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tendril::TendrilSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html/document.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     try!(doctype.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/html/document.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     try!(child.serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(serializer.start_elem(self.name().clone(),
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:125:21
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     try!(child.clone().serialize(serializer, TraversalScope::IncludeNode));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 try!(Serializable::serialize(document, serializer, traversal_scope));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/html/element.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             try!(serializer.end_elem(self.name().clone()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/document.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/element.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tendril::TendrilSink`
[INFO] [stdout]  --> src/html/element.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tendril::TendrilSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `html5ever::tree_builder::TreeSink`
[INFO] [stdout]  --> src/html/node.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use html5ever::tree_builder::TreeSink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "154d2c07bf6dd1ef122ad77cee8d7f64441273a84159c515f11807651c911b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154d2c07bf6dd1ef122ad77cee8d7f64441273a84159c515f11807651c911b24", kill_on_drop: false }`
[INFO] [stdout] 154d2c07bf6dd1ef122ad77cee8d7f64441273a84159c515f11807651c911b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5636ff6b92f524db22edd6a0d1886f9b8bf2c48141fd8b4c5f51acf2225829c
[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" "c5636ff6b92f524db22edd6a0d1886f9b8bf2c48141fd8b4c5f51acf2225829c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/borealis-00c45a48fed945dc
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test dom::tests::test_append_doctype_to_document ... ok
[INFO] [stdout] test dom::tests::test_create_comment ... ok
[INFO] [stdout] test dom::tests::test_create_element ... ok
[INFO] [stdout] test dom::tests::test_elem_name ... ok
[INFO] [stdout] test dom::tests::test_append ... ok
[INFO] [stdout] test dom::tests::test_same_node ... ok
[INFO] [stdout] test html::attribute::tests::test_new ... ok
[INFO] [stdout] test dom::tests::test_append_before_sibling ... ok
[INFO] [stdout] test html::text::tests::test_new ... ok
[INFO] [stdout] test html::comment::tests::test_new ... ok
[INFO] [stdout] test dom::tests::test_reparent_children ... ok
[INFO] [stdout] test dom::tests::test_remove_from_parent ... ok
[INFO] [stdout] test dom::tests::test_fragment ... ok
[INFO] [stdout] test dom::tests::test_add_attrs_if_missing ... ok
[INFO] [stdout] test html::document::tests::test_parse_document ... ok
[INFO] [stdout] test html::node::tests::test_parse_str ... ok
[INFO] [stdout] test dom::tests::test_get_template_contents ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests borealis
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/html/node.rs - html::node::Node::parse_str (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5636ff6b92f524db22edd6a0d1886f9b8bf2c48141fd8b4c5f51acf2225829c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5636ff6b92f524db22edd6a0d1886f9b8bf2c48141fd8b4c5f51acf2225829c", kill_on_drop: false }`
[INFO] [stdout] c5636ff6b92f524db22edd6a0d1886f9b8bf2c48141fd8b4c5f51acf2225829c
