[INFO] fetching crate susy-jsonrpc-pubsub 10.0.1...
[INFO] testing susy-jsonrpc-pubsub-10.0.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate susy-jsonrpc-pubsub 10.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate susy-jsonrpc-pubsub 10.0.1
[INFO] finished tweaking crates.io crate susy-jsonrpc-pubsub 10.0.1
[INFO] tweaked toml for crates.io crate susy-jsonrpc-pubsub 10.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate susy-jsonrpc-pubsub 10.0.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 96 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.5)
[INFO] [stderr]       Adding susy-jsonrpc-server-utils v10.0.1 (available: v10.1.0)
[INFO] [stderr]       Adding susy-jsonrpc-tcp-server v10.0.1 (available: v10.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded susy-jsonrpc-server-utils v10.0.1
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded susy-jsonrpc-core v10.0.2
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded susy-jsonrpc-tcp-server v10.0.1
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b4cd05a119dad783063e4f1202b63a98cdf4b20e3d9f84d9622e99bb9af4eee
[INFO] running `Command { std: "docker" "start" "-a" "8b4cd05a119dad783063e4f1202b63a98cdf4b20e3d9f84d9622e99bb9af4eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b4cd05a119dad783063e4f1202b63a98cdf4b20e3d9f84d9622e99bb9af4eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4cd05a119dad783063e4f1202b63a98cdf4b20e3d9f84d9622e99bb9af4eee", kill_on_drop: false }`
[INFO] [stdout] 8b4cd05a119dad783063e4f1202b63a98cdf4b20e3d9f84d9622e99bb9af4eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f16cecb70e8cac1dc346bd3b8d233aeae19e65e8e0a0beb773d94092647f43e0
[INFO] running `Command { std: "docker" "start" "-a" "f16cecb70e8cac1dc346bd3b8d233aeae19e65e8e0a0beb773d94092647f43e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling susy-jsonrpc-core v10.0.2
[INFO] [stderr]    Compiling susy-jsonrpc-pubsub v10.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:18:68
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<dyn Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_drop: Mutex<Vec<Box<FnMut() + Send>>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_drop: Mutex<Vec<Box<dyn FnMut() + Send>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "f16cecb70e8cac1dc346bd3b8d233aeae19e65e8e0a0beb773d94092647f43e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16cecb70e8cac1dc346bd3b8d233aeae19e65e8e0a0beb773d94092647f43e0", kill_on_drop: false }`
[INFO] [stdout] f16cecb70e8cac1dc346bd3b8d233aeae19e65e8e0a0beb773d94092647f43e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f319143468d30ca3e7337af51f64014103aab528a893b854584b37bc1b65c666
[INFO] running `Command { std: "docker" "start" "-a" "f319143468d30ca3e7337af51f64014103aab528a893b854584b37bc1b65c666", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:18:68
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<dyn Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_drop: Mutex<Vec<Box<FnMut() + Send>>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_drop: Mutex<Vec<Box<dyn FnMut() + Send>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling susy-jsonrpc-server-utils v10.0.1
[INFO] [stderr]    Compiling susy-jsonrpc-tcp-server v10.0.1
[INFO] [stderr]    Compiling susy-jsonrpc-pubsub v10.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:18:68
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<dyn Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_drop: Mutex<Vec<Box<FnMut() + Send>>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_drop: Mutex<Vec<Box<dyn FnMut() + Send>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: atomic loads cannot have `Release` or `AcqRel` ordering
[INFO] [stdout]   --> examples/pubsub.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     if is_done.load(atomic::Ordering::AcqRel) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using ordering modes `Acquire`, `SeqCst` or `Relaxed`
[INFO] [stdout]    = note: `#[warn(invalid_atomic_ordering)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: atomic stores cannot have `Acquire` or `AcqRel` ordering
[INFO] [stdout]   --> examples/pubsub.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |             is_done2.store(true, atomic::Ordering::AcqRel);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using ordering modes `Release`, `SeqCst` or `Relaxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "f319143468d30ca3e7337af51f64014103aab528a893b854584b37bc1b65c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f319143468d30ca3e7337af51f64014103aab528a893b854584b37bc1b65c666", kill_on_drop: false }`
[INFO] [stdout] f319143468d30ca3e7337af51f64014103aab528a893b854584b37bc1b65c666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6277fdb13f1089910f7194dc856e28f23b50bd03e89ffada372e8b672a2198ae
[INFO] running `Command { std: "docker" "start" "-a" "6277fdb13f1089910f7194dc856e28f23b50bd03e89ffada372e8b672a2198ae", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:18:68
[INFO] [stderr]    |
[INFO] [stderr] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 18 |     active_subscriptions: Mutex<HashMap<(SubscriptionId, String), Box<dyn Fn(SubscriptionId) + Send + 'static>>>,
[INFO] [stderr]    |                                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |     on_drop: Mutex<Vec<Box<FnMut() + Send>>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 20 |     on_drop: Mutex<Vec<Box<dyn FnMut() + Send>>>,
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `susy-jsonrpc-pubsub` (lib) generated 2 warnings (run `cargo fix --lib -p susy-jsonrpc-pubsub` to apply 2 suggestions)
[INFO] [stderr] warning: atomic loads cannot have `Release` or `AcqRel` ordering
[INFO] [stderr]   --> examples/pubsub.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |                     if is_done.load(atomic::Ordering::AcqRel) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using ordering modes `Acquire`, `SeqCst` or `Relaxed`
[INFO] [stderr]    = note: `#[warn(invalid_atomic_ordering)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: atomic stores cannot have `Acquire` or `AcqRel` ordering
[INFO] [stderr]   --> examples/pubsub.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |             is_done2.store(true, atomic::Ordering::AcqRel);
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using ordering modes `Release`, `SeqCst` or `Relaxed`
[INFO] [stderr] 
[INFO] [stderr] warning: `susy-jsonrpc-pubsub` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `susy-jsonrpc-pubsub` (example "pubsub") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/susy_jsonrpc_pubsub-67d103b117e45517)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test subscription::tests::should_reject ... ok
[INFO] [stdout] test subscription::tests::should_remove_subscription ... ok
[INFO] [stdout] test subscription::tests::should_send_notification_to_the_transport ... ok
[INFO] [stdout] test subscription::tests::should_unregister_in_case_of_collision ... ok
[INFO] [stdout] test subscription::tests::should_unregister_on_drop ... ok
[INFO] [stdout] test types::tests::should_convert_between_value_and_subscription_id ... ok
[INFO] [stdout] test subscription::tests::should_subscribe ... ok
[INFO] [stdout] test subscription::tests::should_assign_id ... ok
[INFO] [stderr]    Doc-tests susy_jsonrpc_pubsub
[INFO] [stdout] test handler::tests::should_handle_subscription ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "6277fdb13f1089910f7194dc856e28f23b50bd03e89ffada372e8b672a2198ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6277fdb13f1089910f7194dc856e28f23b50bd03e89ffada372e8b672a2198ae", kill_on_drop: false }`
[INFO] [stdout] 6277fdb13f1089910f7194dc856e28f23b50bd03e89ffada372e8b672a2198ae
