[INFO] fetching crate sink 0.1.0...
[INFO] testing sink-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate sink 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sink 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sink 0.1.0
[INFO] finished tweaking crates.io crate sink 0.1.0
[INFO] tweaked toml for crates.io crate sink 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 39eff6a00571cdcb4e0d7e28620675cf9ba7dee5fe8e5081846a204e6c035fce
[INFO] running `Command { std: "docker" "start" "-a" "39eff6a00571cdcb4e0d7e28620675cf9ba7dee5fe8e5081846a204e6c035fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39eff6a00571cdcb4e0d7e28620675cf9ba7dee5fe8e5081846a204e6c035fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39eff6a00571cdcb4e0d7e28620675cf9ba7dee5fe8e5081846a204e6c035fce", kill_on_drop: false }`
[INFO] [stdout] 39eff6a00571cdcb4e0d7e28620675cf9ba7dee5fe8e5081846a204e6c035fce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 0fc4a510e7c44c679b82a8e2088fcbd481caf91c5fdb9d2a2fb474abd242ed6f
[INFO] running `Command { std: "docker" "start" "-a" "0fc4a510e7c44c679b82a8e2088fcbd481caf91c5fdb9d2a2fb474abd242ed6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sinkmap.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stdout] 12 +     map: Box<dyn Fn(UInput) -> TInput + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sink.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 -     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout] 6 +     handler: Box<dyn Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/statefulsink.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout] 10 +     handler: Box<dyn Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "0fc4a510e7c44c679b82a8e2088fcbd481caf91c5fdb9d2a2fb474abd242ed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc4a510e7c44c679b82a8e2088fcbd481caf91c5fdb9d2a2fb474abd242ed6f", kill_on_drop: false }`
[INFO] [stdout] 0fc4a510e7c44c679b82a8e2088fcbd481caf91c5fdb9d2a2fb474abd242ed6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] dcc98de53d22f2ab79538e79283796f27814917e589997a72684dfb2d58c21de
[INFO] running `Command { std: "docker" "start" "-a" "dcc98de53d22f2ab79538e79283796f27814917e589997a72684dfb2d58c21de", kill_on_drop: false }`
[INFO] [stderr]    Compiling sink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sinkmap.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stdout] 12 +     map: Box<dyn Fn(UInput) -> TInput + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sink.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 -     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout] 6 +     handler: Box<dyn Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/statefulsink.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout] 10 +     handler: Box<dyn Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sinkmap.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stdout] 12 +     map: Box<dyn Fn(UInput) -> TInput + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sink.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 -     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout] 6 +     handler: Box<dyn Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/statefulsink.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout] 10 +     handler: Box<dyn Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/sink-061cecee8568f3f7)
[INFO] running `Command { std: "docker" "inspect" "dcc98de53d22f2ab79538e79283796f27814917e589997a72684dfb2d58c21de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc98de53d22f2ab79538e79283796f27814917e589997a72684dfb2d58c21de", kill_on_drop: false }`
[INFO] [stdout] dcc98de53d22f2ab79538e79283796f27814917e589997a72684dfb2d58c21de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 49a3bac85a65bd3073e4f0a46b7097c62e8ddebeede3f8a4ca07791a5202f3c2
[INFO] running `Command { std: "docker" "start" "-a" "49a3bac85a65bd3073e4f0a46b7097c62e8ddebeede3f8a4ca07791a5202f3c2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 7 tests
[INFO] [stderr]   --> src/sinkmap.rs:12:14
[INFO] [stdout] test statefulsink::stateful_sink_tests::should_update_state_on_send_given_mutable_type ... ok
[INFO] [stderr]    |
[INFO] [stdout] test statefulsink::stateful_sink_tests::should_send_single_item_to_statefulsink ... ok
[INFO] [stderr] 12 |     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stdout] test statefulsink::stateful_sink_tests::should_send_multiple_items_to_statefulsink ... ok
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test sinkmap::sink_map_tests::should_explicitly_construct_a_sinkmap ... ok
[INFO] [stderr]    |
[INFO] [stdout] test sinkmap::sink_map_tests::should_construct_a_sinkmap_through_the_map_function ... ok
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 12 -     map: Box<Fn(UInput) -> TInput + 'a>,
[INFO] [stderr] 12 +     map: Box<dyn Fn(UInput) -> TInput + 'a>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sink.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 |     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 -     handler: Box<Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stderr] 6 +     handler: Box<dyn Fn(TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/statefulsink.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     handler: Box<Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stderr] 10 +     handler: Box<dyn Fn(TState, TInput) -> Result<TResult, TError> + 'a>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `sink` (lib) generated 3 warnings
[INFO] [stderr] warning: `sink` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sink-061cecee8568f3f7)
[INFO] [stderr]    Doc-tests sink
[INFO] [stdout] test sink::sink_tests::should_send_single_item_to_sink ... ok
[INFO] [stdout] test sink::sink_tests::should_send_multiple_items_to_sink ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49a3bac85a65bd3073e4f0a46b7097c62e8ddebeede3f8a4ca07791a5202f3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a3bac85a65bd3073e4f0a46b7097c62e8ddebeede3f8a4ca07791a5202f3c2", kill_on_drop: false }`
[INFO] [stdout] 49a3bac85a65bd3073e4f0a46b7097c62e8ddebeede3f8a4ca07791a5202f3c2