[INFO] fetching crate coroutines 0.2.0...
[INFO] checking coroutines-0.2.0 against beta for pr-78714
[INFO] extracting crate coroutines 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate coroutines 0.2.0 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 coroutines 0.2.0
[INFO] finished tweaking crates.io crate coroutines 0.2.0
[INFO] tweaked toml for crates.io crate coroutines 0.2.0 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 104d0bc9a2806ceee28e50342d241953f9cb008b8c630881cdf3427957e3702a
[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" "104d0bc9a2806ceee28e50342d241953f9cb008b8c630881cdf3427957e3702a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "104d0bc9a2806ceee28e50342d241953f9cb008b8c630881cdf3427957e3702a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104d0bc9a2806ceee28e50342d241953f9cb008b8c630881cdf3427957e3702a", kill_on_drop: false }`
[INFO] [stdout] 104d0bc9a2806ceee28e50342d241953f9cb008b8c630881cdf3427957e3702a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9807974683c4bd36c9c302b29af5058406265ce0904651b06afce8109105116f
[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" "9807974683c4bd36c9c302b29af5058406265ce0904651b06afce8109105116f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking coroutines v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |     E: FnOnce(Result<T, Box<Any + Send>>) + Send + 'static
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[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/lib.rs:70:29
[INFO] [stdout]    |
[INFO] [stdout] 70 |     E: FnOnce(Result<T, Box<Any + Send>>) + Send + 'static
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |     E: FnOnce(Result<T, Box<Any + Send>>) + Send + 'static
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:40
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn join(self) -> Result<T, Box<Any + Send>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:143:24
[INFO] [stdout]     |
[INFO] [stdout] 143 |     Done(Result<T, Box<Any + Send>>),
[INFO] [stdout]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:35
[INFO] [stdout]     |
[INFO] [stdout] 144 |     Pending(Promise<Result<T, Box<Any + Send>>>)
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:62
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut resolve_target: Option<Promise<Result<T, Box<Any + Send>>>> = None;
[INFO] [stdout]     |                                                              ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:61:29
[INFO] [stdout]    |
[INFO] [stdout] 61 |     E: FnOnce(Result<T, Box<Any + Send>>) + Send + 'static
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[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/lib.rs:70:29
[INFO] [stdout]    |
[INFO] [stdout] 70 |     E: FnOnce(Result<T, Box<Any + Send>>) + Send + 'static
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |     E: FnOnce(Result<T, Box<Any + Send>>) + Send + 'static
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:40
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn join(self) -> Result<T, Box<Any + Send>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:143:24
[INFO] [stdout]     |
[INFO] [stdout] 143 |     Done(Result<T, Box<Any + Send>>),
[INFO] [stdout]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:35
[INFO] [stdout]     |
[INFO] [stdout] 144 |     Pending(Promise<Result<T, Box<Any + Send>>>)
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:62
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut resolve_target: Option<Promise<Result<T, Box<Any + Send>>>> = None;
[INFO] [stdout]     |                                                              ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9807974683c4bd36c9c302b29af5058406265ce0904651b06afce8109105116f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9807974683c4bd36c9c302b29af5058406265ce0904651b06afce8109105116f", kill_on_drop: false }`
[INFO] [stdout] 9807974683c4bd36c9c302b29af5058406265ce0904651b06afce8109105116f