[INFO] cloning repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimonPost/quinn-ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fquinn-ffi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fquinn-ffi'... [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] updating cached repository https://github.com/TimonPost/quinn-ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71353097b414608693d844b1fd3fa107f368ad58 [INFO] checking TimonPost/quinn-ffi against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fquinn-ffi" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TimonPost/quinn-ffi on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-14/source/.cargo/config [INFO] started tweaking git repo https://github.com/TimonPost/quinn-ffi [INFO] finished tweaking git repo https://github.com/TimonPost/quinn-ffi [INFO] tweaked toml for git repo https://github.com/TimonPost/quinn-ffi written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/TimonPost/quinn-ffi already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9281936aa5daac77d09aa872661ee4d2551cebf38b67a795ef5054ee48f310a5 [INFO] running `Command { std: "docker" "start" "-a" "9281936aa5daac77d09aa872661ee4d2551cebf38b67a795ef5054ee48f310a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9281936aa5daac77d09aa872661ee4d2551cebf38b67a795ef5054ee48f310a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9281936aa5daac77d09aa872661ee4d2551cebf38b67a795ef5054ee48f310a5", kill_on_drop: false }` [INFO] [stdout] 9281936aa5daac77d09aa872661ee4d2551cebf38b67a795ef5054ee48f310a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2555cd8b194ec3d0227747e4e1d7fa435bc40e3984b8159f2a9068184219faa [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" "a2555cd8b194ec3d0227747e4e1d7fa435bc40e3984b8159f2a9068184219faa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.34 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking rustls-pemfile v0.2.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Checking rustls v0.20.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking quinn-proto v0.8.0 [INFO] [stderr] Checking quinn-ffi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(option_result_unwrap_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(option_result_unwrap_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `poll_again` is assigned to, but never used [INFO] [stdout] --> src/proto_impl/connection.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | let mut poll_again = self.handle_timer(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_poll_again` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `poll_again` is never read [INFO] [stdout] --> src/proto_impl/connection.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | poll_again |= self.handle_transmits()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error_code` [INFO] [stdout] --> src/proto_impl/connection.rs:153:38 [INFO] [stdout] | [INFO] [stdout] 153 | ConnectionEvent::Close { error_code, reason } => {} [INFO] [stdout] | ^^^^^^^^^^ help: try ignoring the field: `error_code: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/proto_impl/connection.rs:153:50 [INFO] [stdout] | [INFO] [stdout] 153 | ConnectionEvent::Close { error_code, reason } => {} [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `reason: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `poll_again` is assigned to, but never used [INFO] [stdout] --> src/proto_impl/connection.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | let mut poll_again = self.handle_timer(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_poll_again` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `poll_again` is never read [INFO] [stdout] --> src/proto_impl/connection.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | poll_again |= self.handle_transmits()?; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error_code` [INFO] [stdout] --> src/proto_impl/connection.rs:153:38 [INFO] [stdout] | [INFO] [stdout] 153 | ConnectionEvent::Close { error_code, reason } => {} [INFO] [stdout] | ^^^^^^^^^^ help: try ignoring the field: `error_code: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/proto_impl/connection.rs:153:50 [INFO] [stdout] | [INFO] [stdout] 153 | ConnectionEvent::Close { error_code, reason } => {} [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `reason: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `alloc` is never used [INFO] [stdout] --> src/ffi/handle_shared.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn alloc(value: T) -> Self [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `dealloc` is never used [INFO] [stdout] --> src/ffi/handle_shared.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 43 | pub unsafe fn dealloc(handle: Self, f: impl FnOnce(T) -> R) -> R { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last_poll` is never read [INFO] [stdout] --> src/proto_impl/connection.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct ConnectionImpl { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 38 | last_poll: Instant, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ffi/bindings.rs:206:13 [INFO] [stdout] | [INFO] [stdout] 206 | endpoint.poll(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ffi/bindings.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | / handle.ref_access(&mut |connection| { [INFO] [stdout] 274 | | endpoint.remove_connection(connection.connection_handle); [INFO] [stdout] 275 | | Ok(()) [INFO] [stdout] 276 | | }); [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ffi/bindings.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | connection.inner.send_stream(StreamId(stream_id)).finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/proto_impl/endpoint.rs:279:13 [INFO] [stdout] | [INFO] [stdout] 279 | val.send(-1); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `alloc` is never used [INFO] [stdout] --> src/ffi/handle_shared.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn alloc(value: T) -> Self [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `dealloc` is never used [INFO] [stdout] --> src/ffi/handle_shared.rs:43:19 [INFO] [stdout] | [INFO] [stdout] 43 | pub unsafe fn dealloc(handle: Self, f: impl FnOnce(T) -> R) -> R { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last_poll` is never read [INFO] [stdout] --> src/proto_impl/connection.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct ConnectionImpl { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 38 | last_poll: Instant, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ffi/bindings.rs:206:13 [INFO] [stdout] | [INFO] [stdout] 206 | endpoint.poll(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ffi/bindings.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | / handle.ref_access(&mut |connection| { [INFO] [stdout] 274 | | endpoint.remove_connection(connection.connection_handle); [INFO] [stdout] 275 | | Ok(()) [INFO] [stdout] 276 | | }); [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/ffi/bindings.rs:297:13 [INFO] [stdout] | [INFO] [stdout] 297 | connection.inner.send_stream(StreamId(stream_id)).finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/proto_impl/endpoint.rs:279:13 [INFO] [stdout] | [INFO] [stdout] 279 | val.send(-1); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.30s [INFO] running `Command { std: "docker" "inspect" "a2555cd8b194ec3d0227747e4e1d7fa435bc40e3984b8159f2a9068184219faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2555cd8b194ec3d0227747e4e1d7fa435bc40e3984b8159f2a9068184219faa", kill_on_drop: false }` [INFO] [stdout] a2555cd8b194ec3d0227747e4e1d7fa435bc40e3984b8159f2a9068184219faa