[INFO] crate wombo 0.1.2 is already in cache
[INFO] extracting crate wombo 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/wombo/0.1.2
[INFO] extracting crate wombo 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wombo/0.1.2
[INFO] validating manifest of wombo-0.1.2 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 wombo-0.1.2 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 wombo-0.1.2
[INFO] finished frobbing wombo-0.1.2
[INFO] frobbed toml for wombo-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/wombo/0.1.2/Cargo.toml
[INFO] started frobbing wombo-0.1.2
[INFO] finished frobbing wombo-0.1.2
[INFO] frobbed toml for wombo-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wombo/0.1.2/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] [stderr]     Blocking waiting for file lock on package cache
[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 wombo-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wombo/0.1.2:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 455c792992e7e9a2f41b1b9326f90eb71a4849677b234c7fbbd5c6b892519858
[INFO] running `"docker" "start" "-a" "455c792992e7e9a2f41b1b9326f90eb71a4849677b234c7fbbd5c6b892519858"`
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling pretty_env_logger v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling wombo v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn future_error<T: 'static, E: 'static>(err: E) -> Box<Future<Item=T, Error=E>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[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/utils.rs:41:55
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn future_ok<T: 'static, E: 'static>(d: T) -> Box<Future<Item=T, Error=E>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:50:56
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn interruptible_future<T: Send + 'static>(ft: Box<Future<Item=T, Error=()>>, on_cancel: Arc<RwLock<Option<CancelHookFt<T>>>>)
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 51 |   -> (InterruptSender, Box<Future<Item=Option<T>, Error=()>>)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<T>, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:48
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]    --> src/lib.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stderr]     |                          ^^^^   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/utils.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type ExitSender<T: Send + 'static> = OneshotSender<Option<T>>;
[INFO] [stderr]    |                        ^^^^   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `"docker" "inspect" "455c792992e7e9a2f41b1b9326f90eb71a4849677b234c7fbbd5c6b892519858"`
[INFO] running `"docker" "rm" "-f" "455c792992e7e9a2f41b1b9326f90eb71a4849677b234c7fbbd5c6b892519858"`
[INFO] [stdout] 455c792992e7e9a2f41b1b9326f90eb71a4849677b234c7fbbd5c6b892519858
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wombo/0.1.2:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] bdc1a5d2f3f9482b9dd8b69bee73c052ecc4effe57320d4e72779c9f8936565d
[INFO] running `"docker" "start" "-a" "bdc1a5d2f3f9482b9dd8b69bee73c052ecc4effe57320d4e72779c9f8936565d"`
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling wombo v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn future_error<T: 'static, E: 'static>(err: E) -> Box<Future<Item=T, Error=E>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[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/utils.rs:41:55
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn future_ok<T: 'static, E: 'static>(d: T) -> Box<Future<Item=T, Error=E>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:50:56
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn interruptible_future<T: Send + 'static>(ft: Box<Future<Item=T, Error=()>>, on_cancel: Arc<RwLock<Option<CancelHookFt<T>>>>)
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 51 |   -> (InterruptSender, Box<Future<Item=Option<T>, Error=()>>)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<T>, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:184:53
[INFO] [stderr]     |
[INFO] [stderr] 184 |   fn fake_callback_ft<T: 'static>(result: T) -> Box<Future<Item=T, Error=()>> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:48
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:406:62
[INFO] [stderr]     |
[INFO] [stderr] 406 |   fn fake_timer_ft(timer: &Timer, dur: u64, c: usize) -> Box<Future<Item=usize, Error=()>> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=usize, Error=()>`
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]    --> src/lib.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stderr]     |                          ^^^^   ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stderr]   --> src/utils.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type ExitSender<T: Send + 'static> = OneshotSender<Option<T>>;
[INFO] [stderr]    |                        ^^^^   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `"docker" "inspect" "bdc1a5d2f3f9482b9dd8b69bee73c052ecc4effe57320d4e72779c9f8936565d"`
[INFO] running `"docker" "rm" "-f" "bdc1a5d2f3f9482b9dd8b69bee73c052ecc4effe57320d4e72779c9f8936565d"`
[INFO] [stdout] bdc1a5d2f3f9482b9dd8b69bee73c052ecc4effe57320d4e72779c9f8936565d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wombo/0.1.2:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 03e5d8beb4c2624ab9182eba07d996645c6bb060db58ce42a639c3e8a652bb58
[INFO] running `"docker" "start" "-a" "03e5d8beb4c2624ab9182eba07d996645c6bb060db58ce42a639c3e8a652bb58"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wombo-a21f6f10f633fef6
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::should_error_uninitialized_exit ... ok
[INFO] [stdout] test tests::should_read_wombo_metadata ... ok
[INFO] [stdout] test tests::should_error_uninitialized_cancel ... ok
[INFO] [stdout] test tests::should_create_empty_wombo ... ok
[INFO] [stdout] test utils::tests::should_interrupt_timer_with_callback ... ok
[INFO] [stdout] test utils::tests::should_interrupt_timer_without_callback ... ok
[INFO] [stdout] test tests::should_spawn_timer_event_loop_with_cancel ... ok
[INFO] [stdout] test tests::should_spawn_timer_event_loop_without_cancel ... ok
[INFO] [stdout] test tests::should_spawn_simple_timer_event_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "03e5d8beb4c2624ab9182eba07d996645c6bb060db58ce42a639c3e8a652bb58"`
[INFO] running `"docker" "rm" "-f" "03e5d8beb4c2624ab9182eba07d996645c6bb060db58ce42a639c3e8a652bb58"`
[INFO] [stdout] 03e5d8beb4c2624ab9182eba07d996645c6bb060db58ce42a639c3e8a652bb58