[INFO] fetching crate bitconch-jsonrpc-ws-server 0.1.0...
[INFO] testing bitconch-jsonrpc-ws-server-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate bitconch-jsonrpc-ws-server 0.1.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate bitconch-jsonrpc-ws-server 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitconch-jsonrpc-ws-server 0.1.0
[INFO] finished tweaking crates.io crate bitconch-jsonrpc-ws-server 0.1.0
[INFO] tweaked toml for crates.io crate bitconch-jsonrpc-ws-server 0.1.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d76a12edaae1757cd53d06191bff033055e45422851366cebeabc4480798004
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[INFO] [stdout] 41fe136b750af96ef000a3535c7d0553812c3a0602bc523473893b612518959c
[INFO] running `Command { std: "docker" "start" "-a" "41fe136b750af96ef000a3535c7d0553812c3a0602bc523473893b612518959c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.74
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[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling slab v0.3.0
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[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hawk-ws v0.1.1
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling bitconch-jsonrpc-core v0.1.0
[INFO] [stderr]    Compiling bitconch-jsonrpc-server-utils v0.1.0
[INFO] [stderr]    Compiling bitconch-jsonrpc-ws-server v0.1.0 (/opt/rustwide/workdir)
[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]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.44s
[INFO] running `Command { std: "docker" "inspect" "41fe136b750af96ef000a3535c7d0553812c3a0602bc523473893b612518959c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41fe136b750af96ef000a3535c7d0553812c3a0602bc523473893b612518959c", kill_on_drop: false }`
[INFO] [stdout] 41fe136b750af96ef000a3535c7d0553812c3a0602bc523473893b612518959c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f653447f7074615915d4a5dd1d8d326a5395e8b26e45d309816f0308376ccc82
[INFO] running `Command { std: "docker" "start" "-a" "f653447f7074615915d4a5dd1d8d326a5395e8b26e45d309816f0308376ccc82", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitconch-jsonrpc-ws-server v0.1.0 (/opt/rustwide/workdir)
[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]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[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]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]   --> src/tests.rs:64:6
[INFO] [stdout]    |
[INFO] [stdout] 7  | use std::time::Duration;
[INFO] [stdout]    |     ------------------- the item `Duration` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 64 |     use std::time::Duration;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "f653447f7074615915d4a5dd1d8d326a5395e8b26e45d309816f0308376ccc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f653447f7074615915d4a5dd1d8d326a5395e8b26e45d309816f0308376ccc82", kill_on_drop: false }`
[INFO] [stdout] f653447f7074615915d4a5dd1d8d326a5395e8b26e45d309816f0308376ccc82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab90821f3fa6a1cf5c62e2c9bbb55459d1e70e1e16b763117b32dbb9016da850
[INFO] running `Command { std: "docker" "start" "-a" "ab90821f3fa6a1cf5c62e2c9bbb55459d1e70e1e16b763117b32dbb9016da850", kill_on_drop: false }`
[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]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[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]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor<M>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Duration` is imported redundantly
[INFO] [stderr]   --> src/tests.rs:64:6
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::time::Duration;
[INFO] [stderr]    |     ------------------- the item `Duration` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 64 |     use std::time::Duration;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitconch_jsonrpc_ws_server-789faad4cb697136)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::bind_port_zero_should_give_random_port ... ok
[INFO] [stdout] test tests::should_disallow_not_whitelisted_hosts ... ok
[INFO] [stdout] test tests::should_intercept_in_middleware ... ok
[INFO] [stdout] test tests::should_disallow_not_whitelisted_origins ... ok
[INFO] [stdout] test tests::should_allow_whitelisted_origins ... ok
[INFO] [stdout] test tests::drop_session_should_cancel ... ok
[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 2.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitconch-jsonrpc-ws-server
[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" "ab90821f3fa6a1cf5c62e2c9bbb55459d1e70e1e16b763117b32dbb9016da850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab90821f3fa6a1cf5c62e2c9bbb55459d1e70e1e16b763117b32dbb9016da850", kill_on_drop: false }`
[INFO] [stdout] ab90821f3fa6a1cf5c62e2c9bbb55459d1e70e1e16b763117b32dbb9016da850
