[INFO] fetching crate telegram-bot-fork 0.7.8... [INFO] checking telegram-bot-fork-0.7.8 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate telegram-bot-fork 0.7.8 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate telegram-bot-fork 0.7.8 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate telegram-bot-fork 0.7.8 [INFO] finished tweaking crates.io crate telegram-bot-fork 0.7.8 [INFO] tweaked toml for crates.io crate telegram-bot-fork 0.7.8 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded telegram-bot-fork-raw v0.7.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a122abf4a7a1d18b6c9d1f671454948dc0573a583fb8daf86fd28a61d6bcf52 [INFO] running `Command { std: "docker" "start" "-a" "6a122abf4a7a1d18b6c9d1f671454948dc0573a583fb8daf86fd28a61d6bcf52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a122abf4a7a1d18b6c9d1f671454948dc0573a583fb8daf86fd28a61d6bcf52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a122abf4a7a1d18b6c9d1f671454948dc0573a583fb8daf86fd28a61d6bcf52", kill_on_drop: false }` [INFO] [stdout] 6a122abf4a7a1d18b6c9d1f671454948dc0573a583fb8daf86fd28a61d6bcf52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4057df17c731845004559cf22ea130dfd43a02e9ae85aa6ddcb25f779b729cf [INFO] running `Command { std: "docker" "start" "-a" "d4057df17c731845004559cf22ea130dfd43a02e9ae85aa6ddcb25f779b729cf", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking antidote v1.0.0 [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] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking object v0.26.0 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking serde-value v0.5.3 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking backtrace v0.3.61 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking hyper v0.12.36 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking telegram-bot-fork-raw v0.7.8 [INFO] [stderr] Checking telegram-bot-fork v0.7.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | connector: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api.rs:67:67 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn with_connector>(token: T, connector: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/future.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | inner: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/future.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | fn new(inner: Box>) -> Self; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/future.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(inner: Box>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/connector/hyper.rs:92:42 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn default_connector() -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/connector/mod.rs:17:42 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn default_connector() -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Url(::http::uri::InvalidUri) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] 6 | | Hyper(::hyper::Error) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] ... | [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Url(::http::uri::InvalidUri) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] 6 | | Hyper(::hyper::Error) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] ... | [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (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/api.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | connector: Box, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/api.rs:67:67 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn with_connector>(token: T, connector: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/future.rs:8:16 [INFO] [stdout] | [INFO] [stdout] 8 | inner: Box>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/future.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | fn new(inner: Box>) -> Self; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/future.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(inner: Box>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/connector/hyper.rs:92:42 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn default_connector() -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/connector/mod.rs:17:42 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn default_connector() -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Connector` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Url(::http::uri::InvalidUri) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] 6 | | Hyper(::hyper::Error) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] ... | [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Url(::http::uri::InvalidUri) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] 6 | | Hyper(::hyper::Error) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] ... | [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Url(::http::uri::InvalidUri) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] 6 | | Hyper(::hyper::Error) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] ... | [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | / error_chain! { [INFO] [stdout] 4 | | foreign_links { [INFO] [stdout] 5 | | Url(::http::uri::InvalidUri) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] 6 | | Hyper(::hyper::Error) #[cfg(feature = "hyper_connector")]; [INFO] [stdout] ... | [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around function argument [INFO] [stdout] --> examples/features.rs:105:44 [INFO] [stdout] | [INFO] [stdout] 105 | tokio::executor::current_thread::spawn({ future.map_err(|_| ()).map(|_| ()) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around function argument [INFO] [stdout] --> examples/features.rs:118:44 [INFO] [stdout] | [INFO] [stdout] 118 | tokio::executor::current_thread::spawn({ future.map_err(|_| ()).map(|_| ()) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around function argument [INFO] [stdout] --> examples/features.rs:126:44 [INFO] [stdout] | [INFO] [stdout] 126 | tokio::executor::current_thread::spawn({ future.map_err(|_| ()).map(|_| ()) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around function argument [INFO] [stdout] --> examples/features.rs:137:44 [INFO] [stdout] | [INFO] [stdout] 137 | tokio::executor::current_thread::spawn({ future.map_err(|_| ()).map(|_| ()) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around function argument [INFO] [stdout] --> examples/features.rs:147:44 [INFO] [stdout] | [INFO] [stdout] 147 | tokio::executor::current_thread::spawn({ future.map_err(|_| ()).map(|_| ()) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.43s [INFO] running `Command { std: "docker" "inspect" "d4057df17c731845004559cf22ea130dfd43a02e9ae85aa6ddcb25f779b729cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4057df17c731845004559cf22ea130dfd43a02e9ae85aa6ddcb25f779b729cf", kill_on_drop: false }` [INFO] [stdout] d4057df17c731845004559cf22ea130dfd43a02e9ae85aa6ddcb25f779b729cf