[INFO] fetching crate wombo 0.1.2...
[INFO] checking wombo-0.1.2 against beta for pr-78714
[INFO] extracting crate wombo 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wombo 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wombo 0.1.2
[INFO] finished tweaking crates.io crate wombo 0.1.2
[INFO] tweaked toml for crates.io crate wombo 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97340340aa6e3742b6b407bdb399b1f4e6040abb3f6eede9dd825f6c8730c38b
[INFO] running `Command { std: "docker" "start" "-a" "97340340aa6e3742b6b407bdb399b1f4e6040abb3f6eede9dd825f6c8730c38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97340340aa6e3742b6b407bdb399b1f4e6040abb3f6eede9dd825f6c8730c38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97340340aa6e3742b6b407bdb399b1f4e6040abb3f6eede9dd825f6c8730c38b", kill_on_drop: false }`
[INFO] [stdout] 97340340aa6e3742b6b407bdb399b1f4e6040abb3f6eede9dd825f6c8730c38b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9842b40c2a32995aced4c250d2f047577e61846c704a68d6081f4707c26c45d3
[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" "9842b40c2a32995aced4c250d2f047577e61846c704a68d6081f4707c26c45d3", kill_on_drop: false }`
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking wombo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn future_error<T: 'static, E: 'static>(err: E) -> Box<Future<Item=T, Error=E>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:41:55
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn future_ok<T: 'static, E: 'static>(d: T) -> Box<Future<Item=T, Error=E>> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:50:56
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn interruptible_future<T: Send + 'static>(ft: Box<Future<Item=T, Error=()>>, on_cancel: Arc<RwLock<Option<CancelHookFt<T>>>>)
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |   -> (InterruptSender, Box<Future<Item=Option<T>, Error=()>>)
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<T>, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:48
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn future_error<T: 'static, E: 'static>(err: E) -> Box<Future<Item=T, Error=E>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:41:55
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn future_ok<T: 'static, E: 'static>(d: T) -> Box<Future<Item=T, Error=E>> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:50:56
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn interruptible_future<T: Send + 'static>(ft: Box<Future<Item=T, Error=()>>, on_cancel: Arc<RwLock<Option<CancelHookFt<T>>>>)
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:51:28
[INFO] [stdout]    |
[INFO] [stdout] 51 |   -> (InterruptSender, Box<Future<Item=Option<T>, Error=()>>)
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Option<T>, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/utils.rs:184:53
[INFO] [stdout]     |
[INFO] [stdout] 184 |   fn fake_callback_ft<T: 'static>(result: T) -> Box<Future<Item=T, Error=()>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:136:48
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:406:62
[INFO] [stdout]     |
[INFO] [stdout] 406 |   fn fake_timer_ft(timer: &Timer, dur: u64, c: usize) -> Box<Future<Item=usize, Error=()>> {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=usize, Error=()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lib.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stdout]     |                          ^^^^   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub type CancelHookFt<T> = Box<Future<Item=T, Error=()>>;
[INFO] [stdout]     |                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/utils.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub type ExitSender<T: Send + 'static> = OneshotSender<Option<T>>;
[INFO] [stdout]    |                        ^^^^   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub type ExitSender<T> = OneshotSender<Option<T>>;
[INFO] [stdout]    |                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lib.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub type CancelHookFt<T: Send + 'static> = Box<Future<Item=T, Error=()>>;
[INFO] [stdout]     |                          ^^^^   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub type CancelHookFt<T> = Box<Future<Item=T, Error=()>>;
[INFO] [stdout]     |                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]   --> src/utils.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub type ExitSender<T: Send + 'static> = OneshotSender<Option<T>>;
[INFO] [stdout]    |                        ^^^^   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub type ExitSender<T> = OneshotSender<Option<T>>;
[INFO] [stdout]    |                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "9842b40c2a32995aced4c250d2f047577e61846c704a68d6081f4707c26c45d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9842b40c2a32995aced4c250d2f047577e61846c704a68d6081f4707c26c45d3", kill_on_drop: false }`
[INFO] [stdout] 9842b40c2a32995aced4c250d2f047577e61846c704a68d6081f4707c26c45d3