[INFO] crate futures-core 0.2.1 is already in cache
[INFO] extracting crate futures-core 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/futures-core/0.2.1
[INFO] extracting crate futures-core 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/futures-core/0.2.1
[INFO] validating manifest of futures-core-0.2.1 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 futures-core-0.2.1 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 futures-core-0.2.1
[INFO] finished frobbing futures-core-0.2.1
[INFO] frobbed toml for futures-core-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/futures-core/0.2.1/Cargo.toml
[INFO] started frobbing futures-core-0.2.1
[INFO] finished frobbing futures-core-0.2.1
[INFO] frobbed toml for futures-core-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/futures-core/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing futures-core-0.2.1 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/futures-core/0.2.1:/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] d0d3b56e53807fddc878789ce3d9ecb3a713c63fee1f40103ba960c58628a832
[INFO] running `"docker" "start" "-a" "d0d3b56e53807fddc878789ce3d9ecb3a713c63fee1f40103ba960c58628a832"`
[INFO] [stderr]    Compiling futures-core v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/wake.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     inner: *const UnsafeWake,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn UnsafeWake`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:4:54
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(missing_docs, missing_debug_implementations, warnings)]
[INFO] [stderr]    |                                                      ^^^^^^^^
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/wake.rs:113:37
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub unsafe fn new(inner: *const UnsafeWake) -> Waker {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn UnsafeWake`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     executor: Option<&'a mut Executor>,
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:33:69
[INFO] [stderr]    |
[INFO] [stderr] 33 |         where F: FnOnce(&'b Waker, &'b mut LocalMap, Option<&'b mut Executor>) -> R
[INFO] [stderr]    |                                                                     ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let executor: Option<&'b mut Executor> = match self.executor {
[INFO] [stderr]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:82:79
[INFO] [stderr]    |
[INFO] [stderr] 82 |         pub fn new(map: &'a mut LocalMap, waker: &'a Waker, executor: &'a mut Executor) -> Context<'a> {
[INFO] [stderr]    |                                                                               ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:90:44
[INFO] [stderr]    |
[INFO] [stderr] 90 |         pub fn executor(&mut self) -> &mut Executor {
[INFO] [stderr]    |                                            ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/context.rs:117:66
[INFO] [stderr]     |
[INFO] [stderr] 117 |         pub fn with_executor<'b>(&'b mut self, executor: &'b mut Executor)
[INFO] [stderr]     |                                                                  ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/data.rs:33:41
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct LocalMap(HashMap<TypeId, Box<Opaque>, BuildHasherDefault<IdHasher>>);
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/data.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let entry: &mut Box<Opaque> = data.entry(key).or_insert_with(|| {
[INFO] [stderr]     |                             ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/data.rs:104:46
[INFO] [stderr]     |
[INFO] [stderr] 104 |         unsafe { &mut *(&mut **entry as *mut Opaque as *mut T) }
[INFO] [stderr]     |                                              ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:26:36
[INFO] [stderr]    |
[INFO] [stderr] 26 |         fn spawn(&mut self, f: Box<Future<Item = (), Error = Never> + Send>) -> Result<(), SpawnError>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Never> + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "d0d3b56e53807fddc878789ce3d9ecb3a713c63fee1f40103ba960c58628a832"`
[INFO] running `"docker" "rm" "-f" "d0d3b56e53807fddc878789ce3d9ecb3a713c63fee1f40103ba960c58628a832"`
[INFO] [stdout] d0d3b56e53807fddc878789ce3d9ecb3a713c63fee1f40103ba960c58628a832
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/futures-core/0.2.1:/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] 9c20643b40ec549e262201240d95a647ff6b0f8fb2aa3047ca1535367b4785e0
[INFO] running `"docker" "start" "-a" "9c20643b40ec549e262201240d95a647ff6b0f8fb2aa3047ca1535367b4785e0"`
[INFO] [stderr]    Compiling futures-core v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/wake.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     inner: *const UnsafeWake,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn UnsafeWake`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:4:54
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(missing_docs, missing_debug_implementations, warnings)]
[INFO] [stderr]    |                                                      ^^^^^^^^
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/wake.rs:113:37
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub unsafe fn new(inner: *const UnsafeWake) -> Waker {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn UnsafeWake`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     executor: Option<&'a mut Executor>,
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:33:69
[INFO] [stderr]    |
[INFO] [stderr] 33 |         where F: FnOnce(&'b Waker, &'b mut LocalMap, Option<&'b mut Executor>) -> R
[INFO] [stderr]    |                                                                     ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let executor: Option<&'b mut Executor> = match self.executor {
[INFO] [stderr]    |                                      ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:82:79
[INFO] [stderr]    |
[INFO] [stderr] 82 |         pub fn new(map: &'a mut LocalMap, waker: &'a Waker, executor: &'a mut Executor) -> Context<'a> {
[INFO] [stderr]    |                                                                               ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/context.rs:90:44
[INFO] [stderr]    |
[INFO] [stderr] 90 |         pub fn executor(&mut self) -> &mut Executor {
[INFO] [stderr]    |                                            ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/context.rs:117:66
[INFO] [stderr]     |
[INFO] [stderr] 117 |         pub fn with_executor<'b>(&'b mut self, executor: &'b mut Executor)
[INFO] [stderr]     |                                                                  ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/task/data.rs:33:41
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct LocalMap(HashMap<TypeId, Box<Opaque>, BuildHasherDefault<IdHasher>>);
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/data.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let entry: &mut Box<Opaque> = data.entry(key).or_insert_with(|| {
[INFO] [stderr]     |                             ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/task/data.rs:104:46
[INFO] [stderr]     |
[INFO] [stderr] 104 |         unsafe { &mut *(&mut **entry as *mut Opaque as *mut T) }
[INFO] [stderr]     |                                              ^^^^^^ help: use `dyn`: `dyn Opaque`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:26:36
[INFO] [stderr]    |
[INFO] [stderr] 26 |         fn spawn(&mut self, f: Box<Future<Item = (), Error = Never> + Send>) -> Result<(), SpawnError>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Never> + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "9c20643b40ec549e262201240d95a647ff6b0f8fb2aa3047ca1535367b4785e0"`
[INFO] running `"docker" "rm" "-f" "9c20643b40ec549e262201240d95a647ff6b0f8fb2aa3047ca1535367b4785e0"`
[INFO] [stdout] 9c20643b40ec549e262201240d95a647ff6b0f8fb2aa3047ca1535367b4785e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/futures-core/0.2.1:/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] 42d9550ac06d64a8f53f8946e4ac25dbe90d8bb80174bc880601960c61328ad6
[INFO] running `"docker" "start" "-a" "42d9550ac06d64a8f53f8946e4ac25dbe90d8bb80174bc880601960c61328ad6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/futures_core-1fe4b7b033597e55
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-core
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/task/wake.rs - task::wake::UnsafeWake::drop_raw (line 51) ... ignored
[INFO] [stdout] test src/future/result.rs - future::result_::ok (line 42) ... ok
[INFO] [stdout] test src/future/result.rs - future::result_::result (line 28) ... ok
[INFO] [stdout] test src/task/atomic_waker.rs - task::atomic_waker::AtomicWaker::register (line 172) ... ok
[INFO] [stdout] test src/future/result.rs - future::result_::err (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "42d9550ac06d64a8f53f8946e4ac25dbe90d8bb80174bc880601960c61328ad6"`
[INFO] running `"docker" "rm" "-f" "42d9550ac06d64a8f53f8946e4ac25dbe90d8bb80174bc880601960c61328ad6"`
[INFO] [stdout] 42d9550ac06d64a8f53f8946e4ac25dbe90d8bb80174bc880601960c61328ad6