[INFO] fetching crate event_dispatcher 0.0.2...
[INFO] checking event_dispatcher-0.0.2 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate event_dispatcher 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate event_dispatcher 0.0.2 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event_dispatcher 0.0.2
[INFO] finished tweaking crates.io crate event_dispatcher 0.0.2
[INFO] tweaked toml for crates.io crate event_dispatcher 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf0551d7324c4184902f089f2d128a1a9f68402ab3625820c7251c4de84d1dca
[INFO] running `Command { std: "docker" "start" "-a" "bf0551d7324c4184902f089f2d128a1a9f68402ab3625820c7251c4de84d1dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0551d7324c4184902f089f2d128a1a9f68402ab3625820c7251c4de84d1dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0551d7324c4184902f089f2d128a1a9f68402ab3625820c7251c4de84d1dca", kill_on_drop: false }`
[INFO] [stdout] bf0551d7324c4184902f089f2d128a1a9f68402ab3625820c7251c4de84d1dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4bbbf2a01fe057529c7d6851ec3becf99fe73c6ff99cf0bf7aa0585af8f1bda
[INFO] running `Command { std: "docker" "start" "-a" "a4bbbf2a01fe057529c7d6851ec3becf99fe73c6ff99cf0bf7aa0585af8f1bda", kill_on_drop: false }`
[INFO] [stderr]     Checking event_dispatcher v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::intrinsics::TypeId`
[INFO] [stdout]  --> src/dispatcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::intrinsics::TypeId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `TypeId` in `intrinsics`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::any::TypeId;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/dispatcher.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::intrinsics::TypeId`
[INFO] [stdout]  --> src/dispatcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::intrinsics::TypeId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `TypeId` in `intrinsics`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::any::TypeId;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/dispatcher.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/listener.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Listener<E: Event<T>, T: ?Sized>{
[INFO] [stdout]   |                                  ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 54 |                 el.push(rc);
[INFO] [stdout]    |                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `el` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el: &mut V = o.get_mut();
[INFO] [stdout]    |                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/listener.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Listener<E: Event<T>, T: ?Sized>{
[INFO] [stdout]   |                                  ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 54 |                 el.push(rc);
[INFO] [stdout]    |                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `el` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el: &mut V = o.get_mut();
[INFO] [stdout]    |                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 74 |                 let mut idx: usize = 0;
[INFO] [stdout] 75 |                 for l in listeners.iter(){
[INFO] [stdout]    |                                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `listeners` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners: &mut V = o.get_mut();
[INFO] [stdout]    |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 74 |                 let mut idx: usize = 0;
[INFO] [stdout] 75 |                 for l in listeners.iter(){
[INFO] [stdout]    |                                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `listeners` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners: &mut V = o.get_mut();
[INFO] [stdout]    |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `event_dispatcher` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `event_dispatcher` (lib) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a4bbbf2a01fe057529c7d6851ec3becf99fe73c6ff99cf0bf7aa0585af8f1bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bbbf2a01fe057529c7d6851ec3becf99fe73c6ff99cf0bf7aa0585af8f1bda", kill_on_drop: false }`
[INFO] [stdout] a4bbbf2a01fe057529c7d6851ec3becf99fe73c6ff99cf0bf7aa0585af8f1bda
[INFO] checking event_dispatcher-0.0.2 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate event_dispatcher 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate event_dispatcher 0.0.2 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event_dispatcher 0.0.2
[INFO] finished tweaking crates.io crate event_dispatcher 0.0.2
[INFO] tweaked toml for crates.io crate event_dispatcher 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad766083a4a2eabf5728c12ace44538988c8e6d1ba75d622aed86c456d73aa95
[INFO] running `Command { std: "docker" "start" "-a" "ad766083a4a2eabf5728c12ace44538988c8e6d1ba75d622aed86c456d73aa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad766083a4a2eabf5728c12ace44538988c8e6d1ba75d622aed86c456d73aa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad766083a4a2eabf5728c12ace44538988c8e6d1ba75d622aed86c456d73aa95", kill_on_drop: false }`
[INFO] [stdout] ad766083a4a2eabf5728c12ace44538988c8e6d1ba75d622aed86c456d73aa95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ee6e7465560f0f2db8b32a60edba7c5e9778df99c29ef5b17d73af37331e018
[INFO] running `Command { std: "docker" "start" "-a" "8ee6e7465560f0f2db8b32a60edba7c5e9778df99c29ef5b17d73af37331e018", kill_on_drop: false }`
[INFO] [stderr]     Checking event_dispatcher v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::intrinsics::TypeId`
[INFO] [stdout]  --> src/dispatcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::intrinsics::TypeId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `TypeId` in `intrinsics`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::any::TypeId;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/dispatcher.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::intrinsics::TypeId`
[INFO] [stdout]  --> src/dispatcher.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::intrinsics::TypeId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `TypeId` in `intrinsics`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct instead
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::any::TypeId;
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/dispatcher.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/listener.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Listener<E: Event<T>, T: ?Sized>{
[INFO] [stdout]   |                                  ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: type parameter `T` is never used
[INFO] [stdout]  --> src/listener.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Listener<E: Event<T>, T: ?Sized>{
[INFO] [stdout]   |                                  ^ unused type parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 54 |                 el.push(rc);
[INFO] [stdout]    |                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `el` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el: &mut V = o.get_mut();
[INFO] [stdout]    |                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 54 |                 el.push(rc);
[INFO] [stdout]    |                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `el` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut el: &mut V = o.get_mut();
[INFO] [stdout]    |                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 74 |                 let mut idx: usize = 0;
[INFO] [stdout] 75 |                 for l in listeners.iter(){
[INFO] [stdout]    |                                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `listeners` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners: &mut V = o.get_mut();
[INFO] [stdout]    |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `&mut V`
[INFO] [stdout]   --> src/dispatcher.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners = o.get_mut();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] 74 |                 let mut idx: usize = 0;
[INFO] [stdout] 75 |                 for l in listeners.iter(){
[INFO] [stdout]    |                                    ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `listeners` an explicit type, where the type for type parameter `V` is specified
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let mut listeners: &mut V = o.get_mut();
[INFO] [stdout]    |                                  ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `event_dispatcher` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `event_dispatcher` (lib) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8ee6e7465560f0f2db8b32a60edba7c5e9778df99c29ef5b17d73af37331e018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee6e7465560f0f2db8b32a60edba7c5e9778df99c29ef5b17d73af37331e018", kill_on_drop: false }`
[INFO] [stdout] 8ee6e7465560f0f2db8b32a60edba7c5e9778df99c29ef5b17d73af37331e018
