[INFO] fetching crate susy-jsonrpc-ws-server 10.0.1...
[INFO] testing susy-jsonrpc-ws-server-10.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate susy-jsonrpc-ws-server 10.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate susy-jsonrpc-ws-server 10.0.1
[INFO] finished tweaking crates.io crate susy-jsonrpc-ws-server 10.0.1
[INFO] tweaked toml for crates.io crate susy-jsonrpc-ws-server 10.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate susy-jsonrpc-ws-server 10.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 120 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.4)
[INFO] [stderr]       Adding susy-jsonrpc-server-utils 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada66f4547f149d2aab150faf93956655d7bb39b9100e295541938bb68b9b94f
[INFO] running `Command { std: "docker" "start" "-a" "ada66f4547f149d2aab150faf93956655d7bb39b9100e295541938bb68b9b94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada66f4547f149d2aab150faf93956655d7bb39b9100e295541938bb68b9b94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada66f4547f149d2aab150faf93956655d7bb39b9100e295541938bb68b9b94f", kill_on_drop: false }`
[INFO] [stdout] ada66f4547f149d2aab150faf93956655d7bb39b9100e295541938bb68b9b94f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9a75e394ecdf6394887ff285cbcbeb865043a7e732ca3cc25c32ded5883530
[INFO] running `Command { std: "docker" "start" "-a" "4f9a75e394ecdf6394887ff285cbcbeb865043a7e732ca3cc25c32ded5883530", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling susy-jsonrpc-core v10.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling susy-ws v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling susy-jsonrpc-server-utils v10.0.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling susy-jsonrpc-ws-server v10.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / error_chain! {
[INFO] [stdout]  8 | |     foreign_links {
[INFO] [stdout]  9 | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     meta_extractor: Arc<MetaExtractor<M>>,
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     meta_extractor: Arc<dyn MetaExtractor<M>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 |     request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 22 |     request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |     session_stats: Option<Arc<SessionStats>>,
[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] 23 |     session_stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:142:22
[INFO] [stdout]     |
[INFO] [stdout] 142 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 142 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:145:33
[INFO] [stdout]     |
[INFO] [stdout] 145 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 145 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |     stats: Option<Arc<SessionStats>>,
[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] 146 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 280 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:283:33
[INFO] [stdout]     |
[INFO] [stdout] 283 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 283 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:284:20
[INFO] [stdout]     |
[INFO] [stdout] 284 |     stats: Option<Arc<SessionStats>>,
[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] 284 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 46 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:49:34
[INFO] [stdout]    |
[INFO] [stdout] 49 |         request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 49 |         request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         stats: Option<Arc<SessionStats>>,
[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] 50 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:291:23
[INFO] [stdout]     |
[INFO] [stdout] 291 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 291 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:294:34
[INFO] [stdout]     |
[INFO] [stdout] 294 |         request_middleware: Option<Arc<RequestMiddleware>>,
[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] 294 |         request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:295:21
[INFO] [stdout]     |
[INFO] [stdout] 295 |         stats: Option<Arc<SessionStats>>,
[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] 295 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.91s
[INFO] running `Command { std: "docker" "inspect" "4f9a75e394ecdf6394887ff285cbcbeb865043a7e732ca3cc25c32ded5883530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9a75e394ecdf6394887ff285cbcbeb865043a7e732ca3cc25c32ded5883530", kill_on_drop: false }`
[INFO] [stdout] 4f9a75e394ecdf6394887ff285cbcbeb865043a7e732ca3cc25c32ded5883530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a19eb56508ad059d85520f1062743e17ed9dd54a6862c678d65ac3e357b916
[INFO] running `Command { std: "docker" "start" "-a" "61a19eb56508ad059d85520f1062743e17ed9dd54a6862c678d65ac3e357b916", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / error_chain! {
[INFO] [stdout]  8 | |     foreign_links {
[INFO] [stdout]  9 | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     meta_extractor: Arc<MetaExtractor<M>>,
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     meta_extractor: Arc<dyn MetaExtractor<M>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 |     request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 22 |     request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling susy-jsonrpc-ws-server v10.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |     session_stats: Option<Arc<SessionStats>>,
[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] 23 |     session_stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:142:22
[INFO] [stdout]     |
[INFO] [stdout] 142 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 142 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:145:33
[INFO] [stdout]     |
[INFO] [stdout] 145 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 145 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |     stats: Option<Arc<SessionStats>>,
[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] 146 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 280 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:283:33
[INFO] [stdout]     |
[INFO] [stdout] 283 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 283 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:284:20
[INFO] [stdout]     |
[INFO] [stdout] 284 |     stats: Option<Arc<SessionStats>>,
[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] 284 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 46 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:49:34
[INFO] [stdout]    |
[INFO] [stdout] 49 |         request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 49 |         request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         stats: Option<Arc<SessionStats>>,
[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] 50 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:291:23
[INFO] [stdout]     |
[INFO] [stdout] 291 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 291 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:294:34
[INFO] [stdout]     |
[INFO] [stdout] 294 |         request_middleware: Option<Arc<RequestMiddleware>>,
[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] 294 |         request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:295:21
[INFO] [stdout]     |
[INFO] [stdout] 295 |         stats: Option<Arc<SessionStats>>,
[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] 295 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | / error_chain! {
[INFO] [stdout]  8 | |     foreign_links {
[INFO] [stdout]  9 | |         Io(io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     meta_extractor: Arc<MetaExtractor<M>>,
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     meta_extractor: Arc<dyn MetaExtractor<M>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 |     request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 22 |     request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server_builder.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |     session_stats: Option<Arc<SessionStats>>,
[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] 23 |     session_stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:142:22
[INFO] [stdout]     |
[INFO] [stdout] 142 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 142 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:145:33
[INFO] [stdout]     |
[INFO] [stdout] 145 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 145 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:146:20
[INFO] [stdout]     |
[INFO] [stdout] 146 |     stats: Option<Arc<SessionStats>>,
[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] 146 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 280 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:283:33
[INFO] [stdout]     |
[INFO] [stdout] 283 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 283 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:284:20
[INFO] [stdout]     |
[INFO] [stdout] 284 |     stats: Option<Arc<SessionStats>>,
[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] 284 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 46 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:49:34
[INFO] [stdout]    |
[INFO] [stdout] 49 |         request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 49 |         request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         stats: Option<Arc<SessionStats>>,
[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] 50 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:291:23
[INFO] [stdout]     |
[INFO] [stdout] 291 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 291 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:294:34
[INFO] [stdout]     |
[INFO] [stdout] 294 |         request_middleware: Option<Arc<RequestMiddleware>>,
[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] 294 |         request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:295:21
[INFO] [stdout]     |
[INFO] [stdout] 295 |         stats: Option<Arc<SessionStats>>,
[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] 295 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "61a19eb56508ad059d85520f1062743e17ed9dd54a6862c678d65ac3e357b916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a19eb56508ad059d85520f1062743e17ed9dd54a6862c678d65ac3e357b916", kill_on_drop: false }`
[INFO] [stdout] 61a19eb56508ad059d85520f1062743e17ed9dd54a6862c678d65ac3e357b916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6314a59d1008e10e9e8d40f9948773198599943c1b9268e82b86222c2996b623
[INFO] running `Command { std: "docker" "start" "-a" "6314a59d1008e10e9e8d40f9948773198599943c1b9268e82b86222c2996b623", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr]  7 | / error_chain! {
[INFO] [stderr]  8 | |     foreign_links {
[INFO] [stderr]  9 | |         Io(io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stderr]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stderr]    = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server_builder.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     meta_extractor: Arc<MetaExtractor<M>>,
[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)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 |     meta_extractor: Arc<dyn MetaExtractor<M>>,
[INFO] [stderr]    |                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server_builder.rs:22:33
[INFO] [stderr]    |
[INFO] [stderr] 22 |     request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 22 |     request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stderr]    |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server_builder.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 |     session_stats: Option<Arc<SessionStats>>,
[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] 23 |     session_stats: Option<Arc<dyn SessionStats>>,
[INFO] [stderr]    |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 142 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stderr]     |                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:145:33
[INFO] [stderr]     |
[INFO] [stderr] 145 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 145 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:146:20
[INFO] [stderr]     |
[INFO] [stderr] 146 |     stats: Option<Arc<SessionStats>>,
[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] 146 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stderr]     |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:280:22
[INFO] [stderr]     |
[INFO] [stderr] 280 |     meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 280 |     meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stderr]     |                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:283:33
[INFO] [stderr]     |
[INFO] [stderr] 283 |     request_middleware: Option<Arc<RequestMiddleware>>,
[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] 283 |     request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:284:20
[INFO] [stderr]     |
[INFO] [stderr] 284 |     stats: Option<Arc<SessionStats>>,
[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] 284 |     stats: Option<Arc<dyn SessionStats>>,
[INFO] [stderr]     |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 46 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stderr]    |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:49:34
[INFO] [stderr]    |
[INFO] [stderr] 49 |         request_middleware: Option<Arc<session::RequestMiddleware>>,
[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] 49 |         request_middleware: Option<Arc<dyn session::RequestMiddleware>>,
[INFO] [stderr]    |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |         stats: Option<Arc<SessionStats>>,
[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] 50 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:291:23
[INFO] [stderr]     |
[INFO] [stderr] 291 |         meta_extractor: Arc<metadata::MetaExtractor<M>>,
[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] 291 |         meta_extractor: Arc<dyn metadata::MetaExtractor<M>>,
[INFO] [stderr]     |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:294:34
[INFO] [stderr]     |
[INFO] [stderr] 294 |         request_middleware: Option<Arc<RequestMiddleware>>,
[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] 294 |         request_middleware: Option<Arc<dyn RequestMiddleware>>,
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/session.rs:295:21
[INFO] [stderr]     |
[INFO] [stderr] 295 |         stats: Option<Arc<SessionStats>>,
[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] 295 |         stats: Option<Arc<dyn SessionStats>>,
[INFO] [stderr]     |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `susy-jsonrpc-ws-server` (lib) generated 16 warnings (run `cargo fix --lib -p susy-jsonrpc-ws-server` to apply 15 suggestions)
[INFO] [stderr] warning: `susy-jsonrpc-ws-server` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/susy_jsonrpc_ws_server-a10b9da8e97a1955)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::should_allow_whitelisted_origins ... ok
[INFO] [stdout] test tests::should_intercept_in_middleware ... ok
[INFO] [stdout] test tests::should_disallow_not_whitelisted_hosts ... ok
[INFO] [stdout] test tests::should_disallow_not_whitelisted_origins ... ok
[INFO] [stdout] test tests::bind_port_zero_should_give_random_port ... ok
[INFO] [stdout] test tests::drop_session_should_cancel ... ok
[INFO] [stderr]    Doc-tests susy_jsonrpc_ws_server
[INFO] [stdout] test tests::close_handle_makes_wait_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[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" "6314a59d1008e10e9e8d40f9948773198599943c1b9268e82b86222c2996b623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6314a59d1008e10e9e8d40f9948773198599943c1b9268e82b86222c2996b623", kill_on_drop: false }`
[INFO] [stdout] 6314a59d1008e10e9e8d40f9948773198599943c1b9268e82b86222c2996b623