[INFO] fetching crate squark 0.7.1...
[INFO] checking squark-0.7.1 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate squark 0.7.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate squark 0.7.1 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate squark 0.7.1
[INFO] finished tweaking crates.io crate squark 0.7.1
[INFO] tweaked toml for crates.io crate squark 0.7.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f464906dccca06be33c92ed3ad2bb6bcaab31a7b7b1296db04d28668697677c0
[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" "f464906dccca06be33c92ed3ad2bb6bcaab31a7b7b1296db04d28668697677c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f464906dccca06be33c92ed3ad2bb6bcaab31a7b7b1296db04d28668697677c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f464906dccca06be33c92ed3ad2bb6bcaab31a7b7b1296db04d28668697677c0", kill_on_drop: false }`
[INFO] [stdout] f464906dccca06be33c92ed3ad2bb6bcaab31a7b7b1296db04d28668697677c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] da08d629fd35ce43c36b716b355fd92ff004dcc81a31cb2594349462b69815c7
[INFO] running `Command { std: "docker" "start" "-a" "da08d629fd35ce43c36b716b355fd92ff004dcc81a31cb2594349462b69815c7", kill_on_drop: false }`
[INFO] [stderr]     Checking squark v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vdom.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) type HandlerFunction<A> = Box<Fn(HandlerArg) -> Option<A>>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HandlerArg) -> Option<A>`
[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:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Task<A>(Vec<Box<Future<Item = A, Error = ()>>>);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn into_futures(self) -> Vec<Box<Future<Item = A, Error = ()>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:92:40
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn push(&mut self, future: Box<Future<Item = A, Error = ()>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:102:89
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn handle_future<T: Serialize + 'static, E: Serialize + 'static>(&self, future: 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/lib.rs:151:37
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn emit_future(&self, task: Box<Future<Item = A::Action, Error = ()>>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A::Action, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:51
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn pop_handler(&self, id: &str) -> Option<Box<Fn(HandlerArg)>> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HandlerArg)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vdom.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) type HandlerFunction<A> = Box<Fn(HandlerArg) -> Option<A>>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HandlerArg) -> Option<A>`
[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:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Task<A>(Vec<Box<Future<Item = A, Error = ()>>>);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn into_futures(self) -> Vec<Box<Future<Item = A, Error = ()>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:92:40
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn push(&mut self, future: Box<Future<Item = A, Error = ()>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:102:89
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn handle_future<T: Serialize + 'static, E: Serialize + 'static>(&self, future: 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/lib.rs:151:37
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn emit_future(&self, task: Box<Future<Item = A::Action, Error = ()>>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = A::Action, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:158:51
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn pop_handler(&self, id: &str) -> Option<Box<Fn(HandlerArg)>> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HandlerArg)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "da08d629fd35ce43c36b716b355fd92ff004dcc81a31cb2594349462b69815c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da08d629fd35ce43c36b716b355fd92ff004dcc81a31cb2594349462b69815c7", kill_on_drop: false }`
[INFO] [stdout] da08d629fd35ce43c36b716b355fd92ff004dcc81a31cb2594349462b69815c7