[INFO] updating cached repository jarrett/rust-patterns
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jarrett/rust-patterns
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jarrett/rust-patterns" "work/ex/beta-1.38-1/sources/1.37.0/gh/jarrett/rust-patterns"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jarrett/rust-patterns'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jarrett/rust-patterns" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jarrett/rust-patterns"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jarrett/rust-patterns'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 123d17df7e51a0bce5d23fbc76c85e43cdae94bf
[INFO] sha for GitHub repo jarrett/rust-patterns: 123d17df7e51a0bce5d23fbc76c85e43cdae94bf
[INFO] validating manifest of jarrett/rust-patterns on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jarrett/rust-patterns on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jarrett/rust-patterns
[INFO] finished frobbing jarrett/rust-patterns
[INFO] frobbed toml for jarrett/rust-patterns written to work/ex/beta-1.38-1/sources/1.37.0/gh/jarrett/rust-patterns/Cargo.toml
[INFO] started frobbing jarrett/rust-patterns
[INFO] finished frobbing jarrett/rust-patterns
[INFO] frobbed toml for jarrett/rust-patterns written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jarrett/rust-patterns/Cargo.toml
[INFO] crate jarrett/rust-patterns already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jarrett/rust-patterns against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jarrett/rust-patterns:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cc88c8aef80d686a892473fb4afd70ffb0764035a247e05275a9a6821182cdfc
[INFO] running `"docker" "start" "-a" "cc88c8aef80d686a892473fb4afd70ffb0764035a247e05275a9a6821182cdfc"`
[INFO] [stderr]    Compiling uuid v0.6.2
[INFO] [stderr]    Compiling rust-patterns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/any.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |   fn as_any(&self) -> &Any;
[INFO] [stderr]   |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |   fn as_any(&self) -> &Any { self }
[INFO] [stderr]    |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/pointer.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |   event: Box<Event>,
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/pointer.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |     events.queue.drain(..).map(|event: Box<Event>|
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/uuid.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |   event: Box<Event>,
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/uuid.rs:52:44
[INFO] [stderr]    |
[INFO] [stderr] 52 |     &self, registry: &'a HashMap<Uuid, Box<Any>>
[INFO] [stderr]    |                                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/uuid.rs:67:44
[INFO] [stderr]    |
[INFO] [stderr] 67 |     events.queue.drain(..).map(|event: Box<Event>|
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/events/mod.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |   fn as_any(&self) -> &Any;
[INFO] [stderr]   |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/mod.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |   queue: Vec<Box<Event>>
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/mod.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |   fn as_any(&self) -> &Any { self }
[INFO] [stderr]    |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bar`
[INFO] [stderr]   --> src/any.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Bar;
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `World`
[INFO] [stderr]  --> src/mutability.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct World {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]   --> src/mutability.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct Person {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attack`
[INFO] [stderr]   --> src/mutability.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   pub fn attack(&self, other: &mut Person) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `attack_sibling`
[INFO] [stderr]   --> src/mutability.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   pub fn attack_sibling(&self) -> Result<(), ()> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `health`
[INFO] [stderr]   --> src/mutability.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn health(&self) -> u8 { self.health }
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/mutability.rs:48:3
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn new(armor: u8, strength: u8) -> Person {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `receive_attack`
[INFO] [stderr]   --> src/mutability.rs:52:3
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn receive_attack(&mut self, strength: u8) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_sibling`
[INFO] [stderr]   --> src/mutability.rs:56:3
[INFO] [stderr]    |
[INFO] [stderr] 56 |   pub fn set_sibling(&mut self, sibling: &Rc<RefCell<Person>>) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `EmitterRef`
[INFO] [stderr]  --> src/events/pointer.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type EmitterRef<T> = Rc<RefCell<T>>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PackagedEvent`
[INFO] [stderr]   --> src/events/pointer.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct PackagedEvent<T: 'static> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bar`
[INFO] [stderr]   --> src/events/pointer.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Bar {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cast`
[INFO] [stderr]   --> src/events/pointer.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 | /   fn cast<U, V, F>(&self, f: F) -> Option<V>
[INFO] [stderr] 23 | |     where U: 'static, F: FnOnce(&U) -> V
[INFO] [stderr] 24 | |   {
[INFO] [stderr] 25 | |     self.event.as_any().downcast_ref::<U>().map(f)
[INFO] [stderr] 26 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `package`
[INFO] [stderr]   --> src/events/pointer.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   fn package(events: &mut Events, emitter: &EmitterRef<T>) -> Vec<PackagedEvent<T>> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `EntityRef`
[INFO] [stderr]   --> src/events/uuid.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct EntityRef<T: 'static> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PackagedEvent`
[INFO] [stderr]   --> src/events/uuid.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct PackagedEvent<T: 'static> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bar`
[INFO] [stderr]   --> src/events/uuid.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct Bar {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clone`
[INFO] [stderr]   --> src/events/uuid.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn clone(&self) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/events/uuid.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |   fn new(uuid: Uuid) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resolve`
[INFO] [stderr]   --> src/events/uuid.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 | /   fn resolve<'a>(
[INFO] [stderr] 52 | |     &self, registry: &'a HashMap<Uuid, Box<Any>>
[INFO] [stderr] 53 | |   ) -> &'a Rc<RefCell<T>> {
[INFO] [stderr] 54 | |     registry.get(&self.uuid).unwrap().downcast_ref::<Rc<RefCell<T>>>().unwrap()
[INFO] [stderr] 55 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cast`
[INFO] [stderr]   --> src/events/uuid.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 | /   fn cast<U, V, F>(&self, f: F) -> Option<V>
[INFO] [stderr] 60 | |     where U: 'static, F: FnOnce(&U) -> V
[INFO] [stderr] 61 | |   {
[INFO] [stderr] 62 | |     self.event.as_any().downcast_ref::<U>().map(f)
[INFO] [stderr] 63 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `package`
[INFO] [stderr]   --> src/events/uuid.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   fn package(events: &mut Events, emitter: &EntityRef<T>) -> Vec<PackagedEvent<T>> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/events/uuid.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |   fn new() -> Bar {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Events`
[INFO] [stderr]   --> src/events/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Events {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FooEvent`
[INFO] [stderr]   --> src/events/mod.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct FooEvent {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `emit`
[INFO] [stderr]   --> src/events/mod.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   fn emit<U: 'static + Event>(&mut self, event: U) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/events/mod.rs:33:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |   fn new() -> Events {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/events/mod.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn new(message: &str) -> FooEvent {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Animal`
[INFO] [stderr]  --> src/lifetimes.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Animal {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `borrow_name`
[INFO] [stderr]  --> src/lifetimes.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn borrow_name<'a>(&'a self) -> &'a String {
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "cc88c8aef80d686a892473fb4afd70ffb0764035a247e05275a9a6821182cdfc"`
[INFO] running `"docker" "rm" "-f" "cc88c8aef80d686a892473fb4afd70ffb0764035a247e05275a9a6821182cdfc"`
[INFO] [stdout] cc88c8aef80d686a892473fb4afd70ffb0764035a247e05275a9a6821182cdfc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jarrett/rust-patterns:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d4704fc25f2d9a18c8dda069bc6cc2f94df92e6fa021b9d902b64b134b908f4b
[INFO] running `"docker" "start" "-a" "d4704fc25f2d9a18c8dda069bc6cc2f94df92e6fa021b9d902b64b134b908f4b"`
[INFO] [stderr]    Compiling rust-patterns v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/any.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |   fn as_any(&self) -> &Any;
[INFO] [stderr]   |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |   fn as_any(&self) -> &Any { self }
[INFO] [stderr]    |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |       let any = &bar as &Any;
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |       let any: Box<Any> = Box::new(bar);
[INFO] [stderr]    |                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |       let foo: &Foo = &bar as &Foo;
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Foo`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:42:32
[INFO] [stderr]    |
[INFO] [stderr] 42 |       let foo: &Foo = &bar as &Foo;
[INFO] [stderr]    |                                ^^^ help: use `dyn`: `dyn Foo`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |       let any: &Any = foo.as_any();
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:49:20
[INFO] [stderr]    |
[INFO] [stderr] 49 |       let foo: Box<Foo> = Box::new(bar);
[INFO] [stderr]    |                    ^^^ help: use `dyn`: `dyn Foo`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/any.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |       let any: &Any = foo.as_any();
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/pointer.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |   event: Box<Event>,
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/pointer.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |     events.queue.drain(..).map(|event: Box<Event>|
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/uuid.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |   event: Box<Event>,
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/uuid.rs:52:44
[INFO] [stderr]    |
[INFO] [stderr] 52 |     &self, registry: &'a HashMap<Uuid, Box<Any>>
[INFO] [stderr]    |                                            ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/uuid.rs:67:44
[INFO] [stderr]    |
[INFO] [stderr] 67 |     events.queue.drain(..).map(|event: Box<Event>|
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/uuid.rs:86:41
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let mut registry: HashMap<Uuid, Box<Any>> = HashMap::new();
[INFO] [stderr]    |                                         ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/events/mod.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |   fn as_any(&self) -> &Any;
[INFO] [stderr]   |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/mod.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |   queue: Vec<Box<Event>>
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Event`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/events/mod.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |   fn as_any(&self) -> &Any { self }
[INFO] [stderr]    |                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "d4704fc25f2d9a18c8dda069bc6cc2f94df92e6fa021b9d902b64b134b908f4b"`
[INFO] running `"docker" "rm" "-f" "d4704fc25f2d9a18c8dda069bc6cc2f94df92e6fa021b9d902b64b134b908f4b"`
[INFO] [stdout] d4704fc25f2d9a18c8dda069bc6cc2f94df92e6fa021b9d902b64b134b908f4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jarrett/rust-patterns:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 524e3db075526dab624871e3eb32123f4a41b3491957d8c2d0a766cd37a573ab
[INFO] running `"docker" "start" "-a" "524e3db075526dab624871e3eb32123f4a41b3491957d8c2d0a766cd37a573ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_patterns-1ddd73f176d9921b
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test any::tests::example ... ok
[INFO] [stdout] test events::pointer::tests::example ... ok
[INFO] [stdout] test events::uuid::tests::example ... ok
[INFO] [stdout] test lifetimes::tests::borrow_struct_field ... ok
[INFO] [stdout] test mutability::tests::example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "524e3db075526dab624871e3eb32123f4a41b3491957d8c2d0a766cd37a573ab"`
[INFO] running `"docker" "rm" "-f" "524e3db075526dab624871e3eb32123f4a41b3491957d8c2d0a766cd37a573ab"`
[INFO] [stdout] 524e3db075526dab624871e3eb32123f4a41b3491957d8c2d0a766cd37a573ab