[INFO] crate html5ever_dom_sink 0.2.0 is already in cache
[INFO] testing html5ever_dom_sink-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate html5ever_dom_sink 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate html5ever_dom_sink 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate html5ever_dom_sink 0.2.0
[INFO] removed path dependency html5ever from crates.io crate html5ever_dom_sink 0.2.0
[INFO] removed path dependency html5ever_test_util from crates.io crate html5ever_dom_sink 0.2.0
[INFO] finished tweaking crates.io crate html5ever_dom_sink 0.2.0
[INFO] tweaked toml for crates.io crate html5ever_dom_sink 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7531dac2c12038a70133c67d432310bc1befc950a02e292ad52226b12c2c0463
[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" "7531dac2c12038a70133c67d432310bc1befc950a02e292ad52226b12c2c0463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7531dac2c12038a70133c67d432310bc1befc950a02e292ad52226b12c2c0463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7531dac2c12038a70133c67d432310bc1befc950a02e292ad52226b12c2c0463", kill_on_drop: false }`
[INFO] [stdout] 7531dac2c12038a70133c67d432310bc1befc950a02e292ad52226b12c2c0463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be362a8230a5d834425b437879dda1d20c64473bf79021e2e2e071b2bedc488
[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" "5be362a8230a5d834425b437879dda1d20c64473bf79021e2e2e071b2bedc488", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rc v0.1.1
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling html5ever v0.2.11
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling tendril v0.1.6
[INFO] [stderr]    Compiling html5ever_dom_sink v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `string_cache::QualName`
[INFO] [stdout]   --> src/common.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use string_cache::QualName;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ no `QualName` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `string_cache::QualName`
[INFO] [stdout]   --> src/rcdom.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use string_cache::QualName;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ no `QualName` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `string_cache::QualName`
[INFO] [stdout]   --> src/owned_dom.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use string_cache::QualName;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ no `QualName` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(box_syntax, append, rc_weak)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/rcdom.rs:285:21
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     try!(serializer.start_elem(name.clone(),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/rcdom.rs:290:21
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     try!(handle.clone().serialize(serializer, IncludeNode));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/rcdom.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     try!(serializer.end_elem(name.clone()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/rcdom.rs:301:21
[INFO] [stdout]     |
[INFO] [stdout] 301 |                     try!(handle.clone().serialize(serializer, IncludeNode));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/owned_dom.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     try!(serializer.start_elem(name.clone(),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/owned_dom.rs:365:21
[INFO] [stdout]     |
[INFO] [stdout] 365 |                     try!(child.serialize(serializer, IncludeNode));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/owned_dom.rs:369:21
[INFO] [stdout]     |
[INFO] [stdout] 369 |                     try!(serializer.end_elem(name.clone()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/owned_dom.rs:376:21
[INFO] [stdout]     |
[INFO] [stdout] 376 |                     try!(child.serialize(serializer, IncludeNode));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `get_template_contents`
[INFO] [stdout]    --> src/rcdom.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | impl TreeSink for RcDom {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^ missing `get_template_contents` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `fn get_template_contents(&self, _: <Self as html5ever::tree_builder::TreeSink>::Handle) -> <Self as html5ever::tree_builder::TreeSink>::Handle { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `get_template_contents`
[INFO] [stdout]    --> src/owned_dom.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl TreeSink for Sink {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^ missing `get_template_contents` in implementation
[INFO] [stdout]     |
[INFO] [stdout]     = help: implement the missing item: `fn get_template_contents(&self, _: <Self as html5ever::tree_builder::TreeSink>::Handle) -> <Self as html5ever::tree_builder::TreeSink>::Handle { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downgrade` found for reference `&rcdom::Handle` in the current scope
[INFO] [stdout]   --> src/rcdom.rs:84:31
[INFO] [stdout]    |
[INFO] [stdout] 84 |     *parent = Some(new_parent.downgrade());
[INFO] [stdout]    |                    -----------^^^^^^^^^
[INFO] [stdout]    |                    |          |
[INFO] [stdout]    |                    |          this is an associated function, not a method
[INFO] [stdout]    |                    help: use associated function syntax instead: `std::rc::Rc::<T>::downgrade`
[INFO] [stdout]    |
[INFO] [stdout]    = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout]    = note: the candidate is defined in an impl for the type `std::rc::Rc<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downgrade` found for struct `rcdom::Handle` in the current scope
[INFO] [stdout]    --> src/rcdom.rs:213:57
[INFO] [stdout]     |
[INFO] [stdout] 60  | pub struct Handle(Rc<RefCell<Node>>);
[INFO] [stdout]     | ------------------------------------- method `downgrade` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 213 |         child.borrow_mut().parent = Some(parent.clone().downgrade());
[INFO] [stdout]     |                                          ---------------^^^^^^^^^
[INFO] [stdout]     |                                          |              |
[INFO] [stdout]     |                                          |              this is an associated function, not a method
[INFO] [stdout]     |                                          help: use associated function syntax instead: `std::rc::Rc::<T>::downgrade`
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout]     = note: the candidate is defined in an impl for the type `std::rc::Rc<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downgrade` found for struct `rcdom::Handle` in the current scope
[INFO] [stdout]    --> src/rcdom.rs:250:39
[INFO] [stdout]     |
[INFO] [stdout] 60  | pub struct Handle(Rc<RefCell<Node>>);
[INFO] [stdout]     | ------------------------------------- method `downgrade` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 250 |             *parent = Some(new_parent.downgrade());
[INFO] [stdout]     |                            -----------^^^^^^^^^
[INFO] [stdout]     |                            |          |
[INFO] [stdout]     |                            |          this is an associated function, not a method
[INFO] [stdout]     |                            help: use associated function syntax instead: `std::rc::Rc::<T>::downgrade`
[INFO] [stdout]     |
[INFO] [stdout]     = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
[INFO] [stdout]     = note: the candidate is defined in an impl for the type `std::rc::Rc<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `html5ever_dom_sink`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5be362a8230a5d834425b437879dda1d20c64473bf79021e2e2e071b2bedc488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be362a8230a5d834425b437879dda1d20c64473bf79021e2e2e071b2bedc488", kill_on_drop: false }`
[INFO] [stdout] 5be362a8230a5d834425b437879dda1d20c64473bf79021e2e2e071b2bedc488