[INFO] fetching crate rs-jsonrpc-pubsub 8.0.0...
[INFO] testing rs-jsonrpc-pubsub-8.0.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate rs-jsonrpc-pubsub 8.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rs-jsonrpc-pubsub 8.0.0
[INFO] finished tweaking crates.io crate rs-jsonrpc-pubsub 8.0.0
[INFO] tweaked toml for crates.io crate rs-jsonrpc-pubsub 8.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-jsonrpc-pubsub 8.0.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 91 packages to highest compatible versions
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.34)
[INFO] [stderr]       Adding parking_lot v0.4.8 (available: v0.12.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-jsonrpc-pubsub` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rs-jsonrpc-tcp-server v8.0.0
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded rs-jsonrpc-server-utils v8.0.0
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded rs-jsonrpc-core v8.0.0
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded globset v0.1.4
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92
[INFO] running `Command { std: "docker" "start" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-jsonrpc-pubsub` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling rs-jsonrpc-core v8.0.0
[INFO] [stderr]    Compiling rs-jsonrpc-pubsub v8.0.0 (/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 2015) 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<Fn() + Send>>>,
[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/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 Fn() + Send>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn on_drop(&self, on_drop: Box<Fn() + Send>) {
[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/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] 49 |     pub fn on_drop(&self, on_drop: Box<dyn Fn() + Send>) {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 16.55s
[INFO] running `Command { std: "docker" "inspect" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-jsonrpc-pubsub` (manifest) generated 1 warning
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[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 2015) 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<Fn() + Send>>>,
[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/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 Fn() + Send>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn on_drop(&self, on_drop: Box<Fn() + Send>) {
[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/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] 49 |     pub fn on_drop(&self, on_drop: Box<dyn Fn() + Send>) {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling globset v0.1.4
[INFO] [stderr]    Compiling rs-jsonrpc-server-utils v8.0.0
[INFO] [stderr]    Compiling rs-jsonrpc-tcp-server v8.0.0
[INFO] [stderr]    Compiling rs-jsonrpc-pubsub v8.0.0 (/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 2015) 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<Fn() + Send>>>,
[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/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 Fn() + Send>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/subscription.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn on_drop(&self, on_drop: Box<Fn() + Send>) {
[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/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] 49 |     pub fn on_drop(&self, on_drop: Box<dyn Fn() + Send>) {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 45.29s
[INFO] running `Command { std: "docker" "inspect" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rs-jsonrpc-pubsub` (manifest) generated 1 warning
[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 2015) 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<Fn() + Send>>>,
[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/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 Fn() + Send>>>,
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:49:37
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn on_drop(&self, on_drop: Box<Fn() + Send>) {
[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/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] 49 |     pub fn on_drop(&self, on_drop: Box<dyn Fn() + Send>) {
[INFO] [stderr]    |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-jsonrpc-pubsub` (lib) generated 3 warnings (run `cargo fix --lib -p rs-jsonrpc-pubsub` to apply 3 suggestions)
[INFO] [stderr] warning: `rs-jsonrpc-pubsub` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/rs_jsonrpc_pubsub-a16e9a8206f2f3ea)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test subscription::tests::should_assign_id ... ok
[INFO] [stdout] test subscription::tests::should_reject ... ok
[INFO] [stdout] test subscription::tests::should_subscribe ... ok
[INFO] [stdout] test handler::tests::should_handle_subscription ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test types::tests::should_convert_between_value_and_subscription_id ... ok
[INFO] [stdout] test subscription::tests::should_unregister_on_drop ... 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] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- handler::tests::should_handle_subscription stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'handler::tests::should_handle_subscription' (868) panicked at src/handler.rs:148:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some("{\"jsonrpc\":\"2.0\",\"error\":{\"code\":-32600,\"message\":\"Invalid request\"},\"id\":null}")
[INFO] [stdout]  right: Some("{\"jsonrpc\":\"2.0\",\"result\":5,\"id\":1}")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62961acbbc51 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x62961acd0b9a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x62961acc019c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x62961ac98096 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x62961acb4309 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x62961ac392a0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x62961acb44c2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x62961ac98142 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x62961ac90e99 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x62961ac98d3d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x62961acd12cc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x62961acd11e3 - core[df12db4294e9bfd3]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x62961ac217c2 - core[df12db4294e9bfd3]::panicking::assert_failed::<core[df12db4294e9bfd3]::option::Option<alloc[2182bb758b4b3781]::string::String>, core[df12db4294e9bfd3]::option::Option<alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   13:     0x62961ac2c441 - <rs_jsonrpc_pubsub[386046a5b67113da]::handler::tests::should_handle_subscription::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x62961ac2c58b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x62961ac39bf5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x62961ac334b4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x62961ac3cd52 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x62961acbb529 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7cc3a0ec9dfa - <unknown>
[INFO] [stdout]   20:     0x7cc3a0f5d3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     handler::tests::should_handle_subscription
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92", kill_on_drop: false }`
[INFO] [stdout] cf6d011b82249edd032aea5b5c8754f8831d8b49bc664e5cf02dfa001213da92
