[INFO] fetching crate susydev-jsonrpc-ws-server 11.0.0... [INFO] checking susydev-jsonrpc-ws-server-11.0.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate susydev-jsonrpc-ws-server 11.0.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate susydev-jsonrpc-ws-server 11.0.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate susydev-jsonrpc-ws-server 11.0.0 [INFO] finished tweaking crates.io crate susydev-jsonrpc-ws-server 11.0.0 [INFO] tweaked toml for crates.io crate susydev-jsonrpc-ws-server 11.0.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded susydev-jsonrpc-server-utils v11.0.0 [INFO] [stderr] Downloaded susydev-jsonrpc-core v11.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8519b18d2eedbe39382bab3a810a403c195f444b808e166899edbb62f1ac5914 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8519b18d2eedbe39382bab3a810a403c195f444b808e166899edbb62f1ac5914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8519b18d2eedbe39382bab3a810a403c195f444b808e166899edbb62f1ac5914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8519b18d2eedbe39382bab3a810a403c195f444b808e166899edbb62f1ac5914", kill_on_drop: false }` [INFO] [stdout] 8519b18d2eedbe39382bab3a810a403c195f444b808e166899edbb62f1ac5914 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ddec8dbabd08a0ebe47ed0b56bb743078ff901a881933d349d7e99c4b30075f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5ddec8dbabd08a0ebe47ed0b56bb743078ff901a881933d349d7e99c4b30075f", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking ws v0.8.1 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking globset v0.4.5 [INFO] [stderr] Checking susydev-jsonrpc-core v11.0.0 [INFO] [stderr] Checking susydev-jsonrpc-server-utils v11.0.0 [INFO] [stderr] Checking susydev-jsonrpc-ws-server v11.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:30:31 [INFO] [stdout] | [INFO] [stdout] 30 | fn source(&self) -> Option<&(error::Error + 'static)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:53:23 [INFO] [stdout] | [INFO] [stdout] 53 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor` [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware` [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>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:151:22 [INFO] [stdout] | [INFO] [stdout] 151 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:154:33 [INFO] [stdout] | [INFO] [stdout] 154 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:155:20 [INFO] [stdout] | [INFO] [stdout] 155 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:300:22 [INFO] [stdout] | [INFO] [stdout] 300 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:303:33 [INFO] [stdout] | [INFO] [stdout] 303 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:304:20 [INFO] [stdout] | [INFO] [stdout] 304 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:311:23 [INFO] [stdout] | [INFO] [stdout] 311 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:314:34 [INFO] [stdout] | [INFO] [stdout] 314 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:315:21 [INFO] [stdout] | [INFO] [stdout] 315 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:30:31 [INFO] [stdout] | [INFO] [stdout] 30 | fn source(&self) -> Option<&(error::Error + 'static)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:53:23 [INFO] [stdout] | [INFO] [stdout] 53 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:56:34 [INFO] [stdout] | [INFO] [stdout] 56 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor` [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn session::RequestMiddleware` [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>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:151:22 [INFO] [stdout] | [INFO] [stdout] 151 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:154:33 [INFO] [stdout] | [INFO] [stdout] 154 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:155:20 [INFO] [stdout] | [INFO] [stdout] 155 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:300:22 [INFO] [stdout] | [INFO] [stdout] 300 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:303:33 [INFO] [stdout] | [INFO] [stdout] 303 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:304:20 [INFO] [stdout] | [INFO] [stdout] 304 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:311:23 [INFO] [stdout] | [INFO] [stdout] 311 | meta_extractor: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn metadata::MetaExtractor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:314:34 [INFO] [stdout] | [INFO] [stdout] 314 | request_middleware: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestMiddleware` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/session.rs:315:21 [INFO] [stdout] | [INFO] [stdout] 315 | stats: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SessionStats` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/tests.rs:65:6 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ------------------- the item `Duration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 65 | 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] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `Command { std: "docker" "inspect" "5ddec8dbabd08a0ebe47ed0b56bb743078ff901a881933d349d7e99c4b30075f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ddec8dbabd08a0ebe47ed0b56bb743078ff901a881933d349d7e99c4b30075f", kill_on_drop: false }` [INFO] [stdout] 5ddec8dbabd08a0ebe47ed0b56bb743078ff901a881933d349d7e99c4b30075f