[INFO] fetching crate borealis 0.1.0...
[INFO] checking borealis-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate borealis 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate borealis 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6092bdc8faa0d75926e3345d89532fcc9aab6b1219bddc91b005f3fa6c216e2b
[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" "6092bdc8faa0d75926e3345d89532fcc9aab6b1219bddc91b005f3fa6c216e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6092bdc8faa0d75926e3345d89532fcc9aab6b1219bddc91b005f3fa6c216e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6092bdc8faa0d75926e3345d89532fcc9aab6b1219bddc91b005f3fa6c216e2b", kill_on_drop: false }`
[INFO] [stdout] 6092bdc8faa0d75926e3345d89532fcc9aab6b1219bddc91b005f3fa6c216e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ccf95e57d2f83e57f6bb7b9d4b95c9c0b4074fa728f0340f5ce4ee99d80084
[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" "16ccf95e57d2f83e57f6bb7b9d4b95c9c0b4074fa728f0340f5ce4ee99d80084", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking utf-8 v0.6.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tendril v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking 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: 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: 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.27s
[INFO] running `Command { std: "docker" "inspect" "16ccf95e57d2f83e57f6bb7b9d4b95c9c0b4074fa728f0340f5ce4ee99d80084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ccf95e57d2f83e57f6bb7b9d4b95c9c0b4074fa728f0340f5ce4ee99d80084", kill_on_drop: false }`
[INFO] [stdout] 16ccf95e57d2f83e57f6bb7b9d4b95c9c0b4074fa728f0340f5ce4ee99d80084