[INFO] cloning repository https://github.com/holmesmr/warp-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/holmesmr/warp-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Fwarp-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Fwarp-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a50ec4554f5eb658e9707af577ce7fba2e77908 [INFO] testing holmesmr/warp-example against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholmesmr%2Fwarp-example" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/holmesmr/warp-example on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/holmesmr/warp-example [INFO] finished tweaking git repo https://github.com/holmesmr/warp-example [INFO] tweaked toml for git repo https://github.com/holmesmr/warp-example written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/holmesmr/warp-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/blackbeam/mysql_async` [INFO] [stderr] Downloading crates ... 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"/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3ca4db60e353eb9feff19c9d8da645f2e62b5febd7141be7a818695bc696ed28 [INFO] running `Command { std: "docker" "start" "-a" "3ca4db60e353eb9feff19c9d8da645f2e62b5febd7141be7a818695bc696ed28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ca4db60e353eb9feff19c9d8da645f2e62b5febd7141be7a818695bc696ed28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ca4db60e353eb9feff19c9d8da645f2e62b5febd7141be7a818695bc696ed28", kill_on_drop: false }` [INFO] [stdout] 3ca4db60e353eb9feff19c9d8da645f2e62b5febd7141be7a818695bc696ed28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 148dfe8bb11835c3771b6b47ff0604e375fed859cffcae790629e9e243fd36a7 [INFO] running `Command { std: "docker" "start" "-a" "148dfe8bb11835c3771b6b47ff0604e375fed859cffcae790629e9e243fd36a7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock 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(https://github.com/blackbeam/mysql_async?branch=master#2293c126) [INFO] [stderr] Compiling warp v0.1.11 [INFO] [stderr] Compiling hyper-tls v0.3.1 [INFO] [stderr] Compiling warp-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/services/util.rs:8:79 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 8 - pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] 8 + pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/services/util.rs:24:78 [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 24 - pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] 24 + pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Filter` is imported redundantly [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 43 | use warp::{Filter, Reply}; [INFO] [stdout] | ------ the item `Filter` is already imported here [INFO] [stdout] ... [INFO] [stdout] 75 | use warp::Filter; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 - fn cause(&self) -> Option<&StdError> { [INFO] [stdout] 27 + fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/types.rs:19:47 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) type BoxedFutureResponse = Box<(Future + Send)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 - pub(crate) type BoxedFutureResponse = Box<(Future + Send)>; [INFO] [stdout] 19 + pub(crate) type BoxedFutureResponse = Box<(dyn Future + Send)>; [INFO] [stdout] | [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:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.23s [INFO] running `Command { std: "docker" "inspect" "148dfe8bb11835c3771b6b47ff0604e375fed859cffcae790629e9e243fd36a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "148dfe8bb11835c3771b6b47ff0604e375fed859cffcae790629e9e243fd36a7", kill_on_drop: false }` [INFO] [stdout] 148dfe8bb11835c3771b6b47ff0604e375fed859cffcae790629e9e243fd36a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c9cd3bf23ef0a3133d476239462fb29d2ed434ad3398b54c5d4e3ff92840df5 [INFO] running `Command { std: "docker" "start" "-a" "3c9cd3bf23ef0a3133d476239462fb29d2ed434ad3398b54c5d4e3ff92840df5", 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] Compiling warp-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/services/util.rs:8:79 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 8 - pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] 8 + pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/services/util.rs:24:78 [INFO] [stdout] | [INFO] [stdout] 24 | pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 24 - pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stdout] 24 + pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Filter` is imported redundantly [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 43 | use warp::{Filter, Reply}; [INFO] [stdout] | ------ the item `Filter` is already imported here [INFO] [stdout] ... [INFO] [stdout] 75 | use warp::Filter; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 - fn cause(&self) -> Option<&StdError> { [INFO] [stdout] 27 + fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/types.rs:19:47 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) type BoxedFutureResponse = Box<(Future + Send)>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 - pub(crate) type BoxedFutureResponse = Box<(Future + Send)>; [INFO] [stdout] 19 + pub(crate) type BoxedFutureResponse = Box<(dyn Future + Send)>; [INFO] [stdout] | [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:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.46s [INFO] running `Command { std: "docker" "inspect" "3c9cd3bf23ef0a3133d476239462fb29d2ed434ad3398b54c5d4e3ff92840df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c9cd3bf23ef0a3133d476239462fb29d2ed434ad3398b54c5d4e3ff92840df5", kill_on_drop: false }` [INFO] [stdout] 3c9cd3bf23ef0a3133d476239462fb29d2ed434ad3398b54c5d4e3ff92840df5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eabcee24bc398c104475f26aa895dec0e489c2e58b256cc7b8a378f57f4b967b [INFO] running `Command { std: "docker" "start" "-a" "eabcee24bc398c104475f26aa895dec0e489c2e58b256cc7b8a378f57f4b967b", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/services/util.rs:8:79 [INFO] [stderr] | [INFO] [stderr] 8 | pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]` [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 8 - pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stderr] 8 + pub(crate) fn mysql_ver_route(conn: impl MyFutureConn) -> BoxedFutureResponse { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/services/util.rs:24:78 [INFO] [stderr] | [INFO] [stderr] 24 | pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 24 - pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse<(impl warp::Reply)> { [INFO] [stderr] 24 + pub(crate) fn extern_http(http_client: HttpClientRef) -> BoxedFutureResponse { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: the item `Filter` is imported redundantly [INFO] [stderr] --> src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 43 | use warp::{Filter, Reply}; [INFO] [stderr] | ------ the item `Filter` is already imported here [INFO] [stderr] ... [INFO] [stderr] 75 | use warp::Filter; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/errors.rs:27:32 [INFO] [stderr] | [INFO] [stderr] 27 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]` [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 27 - fn cause(&self) -> Option<&StdError> { [INFO] [stderr] 27 + fn cause(&self) -> Option<&dyn StdError> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/types.rs:19:47 [INFO] [stderr] | [INFO] [stderr] 19 | pub(crate) type BoxedFutureResponse = Box<(Future + Send)>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 19 - pub(crate) type BoxedFutureResponse = Box<(Future + Send)>; [INFO] [stderr] 19 + pub(crate) type BoxedFutureResponse = Box<(dyn Future + Send)>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/errors.rs:14:30 [INFO] [stderr] | [INFO] [stderr] 14 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: `warp-example` (bin "warp-example" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/warp_example-fb43b7e22d0f8ab4) [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" "eabcee24bc398c104475f26aa895dec0e489c2e58b256cc7b8a378f57f4b967b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eabcee24bc398c104475f26aa895dec0e489c2e58b256cc7b8a378f57f4b967b", kill_on_drop: false }` [INFO] [stdout] eabcee24bc398c104475f26aa895dec0e489c2e58b256cc7b8a378f57f4b967b