[INFO] fetching crate opentracing-rs-jaeger 0.1.0... [INFO] testing opentracing-rs-jaeger-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate opentracing-rs-jaeger 0.1.0 into /workspace/builds/worker-27/source [INFO] validating manifest of crates.io crate opentracing-rs-jaeger 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate opentracing-rs-jaeger 0.1.0 [INFO] finished tweaking crates.io crate opentracing-rs-jaeger 0.1.0 [INFO] tweaked toml for crates.io crate opentracing-rs-jaeger 0.1.0 written to /workspace/builds/worker-27/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1a3e8425051e7f77237726143f197fc2aed8925e4bf2a800e4b2eabf4b5ef90 [INFO] running `Command { std: "docker" "start" "-a" "f1a3e8425051e7f77237726143f197fc2aed8925e4bf2a800e4b2eabf4b5ef90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1a3e8425051e7f77237726143f197fc2aed8925e4bf2a800e4b2eabf4b5ef90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a3e8425051e7f77237726143f197fc2aed8925e4bf2a800e4b2eabf4b5ef90", kill_on_drop: false }` [INFO] [stdout] f1a3e8425051e7f77237726143f197fc2aed8925e4bf2a800e4b2eabf4b5ef90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08898089379b723daa71ce4334941abf620b3a0d7f84a802f35bc81785f901d4 [INFO] running `Command { std: "docker" "start" "-a" "08898089379b723daa71ce4334941abf620b3a0d7f84a802f35bc81785f901d4", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling opentracing-rs-core v0.1.0 [INFO] [stderr] Compiling opentracing-rs-jaeger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/tracer.rs:39:32 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn serve(&mut self) -> (impl Future) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - pub fn serve(&mut self) -> (impl Future) { [INFO] [stdout] 39 + pub fn serve(&mut self) -> impl Future { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reporter.rs:47:24 [INFO] [stdout] | [INFO] [stdout] 47 | reporters: Vec>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] 47 - reporters: Vec>, [INFO] [stdout] 47 + reporters: Vec>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reporter.rs:57:50 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn add_reporter(&mut self, reporter: Box) { [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] 57 - pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] 57 + pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/reporter.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn report(&mut self, span: &Span) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/reporter.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_reporter` [INFO] [stdout] --> src/reporter.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SAMPLER_PARAM_TAG_KEY` [INFO] [stdout] --> src/sampler.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | const SAMPLER_PARAM_TAG_KEY: &str = ""; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sampling_rate` [INFO] [stdout] --> src/sampler.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | sampling_rate: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `high` [INFO] [stdout] --> src/span.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) high: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TraceId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/span.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `span_id` [INFO] [stdout] --> src/span.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | span_id: u64, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `SpanState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/span.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `service_name` [INFO] [stdout] --> src/tracer.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | service_name: Cow<'static, str>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sampler` [INFO] [stdout] --> src/tracer.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | sampler: S, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.09s [INFO] running `Command { std: "docker" "inspect" "08898089379b723daa71ce4334941abf620b3a0d7f84a802f35bc81785f901d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08898089379b723daa71ce4334941abf620b3a0d7f84a802f35bc81785f901d4", kill_on_drop: false }` [INFO] [stdout] 08898089379b723daa71ce4334941abf620b3a0d7f84a802f35bc81785f901d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8562eaf8e2112ebfcb1175dbd5c6bcf81f8addbd52c625b1b2ad6a83d300db62 [INFO] running `Command { std: "docker" "start" "-a" "8562eaf8e2112ebfcb1175dbd5c6bcf81f8addbd52c625b1b2ad6a83d300db62", kill_on_drop: false }` [INFO] [stderr] Compiling opentracing-rs-jaeger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/tracer.rs:39:32 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn serve(&mut self) -> (impl Future) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - pub fn serve(&mut self) -> (impl Future) { [INFO] [stdout] 39 + pub fn serve(&mut self) -> impl Future { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reporter.rs:47:24 [INFO] [stdout] | [INFO] [stdout] 47 | reporters: Vec>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] 47 - reporters: Vec>, [INFO] [stdout] 47 + reporters: Vec>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reporter.rs:57:50 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn add_reporter(&mut self, reporter: Box) { [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] 57 - pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] 57 + pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/reporter.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn report(&mut self, span: &Span) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/reporter.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_reporter` [INFO] [stdout] --> src/reporter.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SAMPLER_PARAM_TAG_KEY` [INFO] [stdout] --> src/sampler.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | const SAMPLER_PARAM_TAG_KEY: &str = ""; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sampling_rate` [INFO] [stdout] --> src/sampler.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | sampling_rate: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `high` [INFO] [stdout] --> src/span.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) high: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TraceId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/span.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `span_id` [INFO] [stdout] --> src/span.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | span_id: u64, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `SpanState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/span.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `service_name` [INFO] [stdout] --> src/tracer.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | service_name: Cow<'static, str>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sampler` [INFO] [stdout] --> src/tracer.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | sampler: S, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/tracer.rs:39:32 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn serve(&mut self) -> (impl Future) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - pub fn serve(&mut self) -> (impl Future) { [INFO] [stdout] 39 + pub fn serve(&mut self) -> impl Future { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reporter.rs:47:24 [INFO] [stdout] | [INFO] [stdout] 47 | reporters: Vec>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] 47 - reporters: Vec>, [INFO] [stdout] 47 + reporters: Vec>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reporter.rs:57:50 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn add_reporter(&mut self, reporter: Box) { [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] 57 - pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] 57 + pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/reporter.rs:40:26 [INFO] [stdout] | [INFO] [stdout] 40 | fn report(&mut self, span: &Span) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/reporter.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_reporter` [INFO] [stdout] --> src/reporter.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SAMPLER_PARAM_TAG_KEY` [INFO] [stdout] --> src/sampler.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | const SAMPLER_PARAM_TAG_KEY: &str = ""; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sampling_rate` [INFO] [stdout] --> src/sampler.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | sampling_rate: f64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `high` [INFO] [stdout] --> src/span.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) high: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `TraceId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/span.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `span_id` [INFO] [stdout] --> src/span.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | span_id: u64, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `SpanState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/span.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `service_name` [INFO] [stdout] --> src/tracer.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | service_name: Cow<'static, str>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sampler` [INFO] [stdout] --> src/tracer.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | sampler: S, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/opentracing_rs_jaeger-3908816ba58dd92b) [INFO] running `Command { std: "docker" "inspect" "8562eaf8e2112ebfcb1175dbd5c6bcf81f8addbd52c625b1b2ad6a83d300db62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8562eaf8e2112ebfcb1175dbd5c6bcf81f8addbd52c625b1b2ad6a83d300db62", kill_on_drop: false }` [INFO] [stdout] 8562eaf8e2112ebfcb1175dbd5c6bcf81f8addbd52c625b1b2ad6a83d300db62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6da2e386c994239bffc6a31c12a39e2b282f399fba657014135800a5bdf75a6b [INFO] running `Command { std: "docker" "start" "-a" "6da2e386c994239bffc6a31c12a39e2b282f399fba657014135800a5bdf75a6b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stdout] [INFO] [stderr] --> src/tracer.rs:39:32 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 39 | pub fn serve(&mut self) -> (impl Future) { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^ ^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 39 - pub fn serve(&mut self) -> (impl Future) { [INFO] [stderr] 39 + pub fn serve(&mut self) -> impl Future { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/reporter.rs:47:24 [INFO] [stderr] | [INFO] [stderr] 47 | reporters: Vec>, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] 47 - reporters: Vec>, [INFO] [stderr] 47 + reporters: Vec>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/reporter.rs:57:50 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn add_reporter(&mut self, reporter: Box) { [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] 57 - pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stderr] 57 + pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `span` [INFO] [stderr] --> src/reporter.rs:40:26 [INFO] [stderr] | [INFO] [stderr] 40 | fn report(&mut self, span: &Span) {} [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/reporter.rs:51:12 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_reporter` [INFO] [stderr] --> src/reporter.rs:57:12 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn add_reporter(&mut self, reporter: Box) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `SAMPLER_PARAM_TAG_KEY` [INFO] [stderr] --> src/sampler.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | const SAMPLER_PARAM_TAG_KEY: &str = ""; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sampling_rate` [INFO] [stderr] --> src/sampler.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | sampling_rate: f64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `high` [INFO] [stderr] --> src/span.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub(crate) high: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `TraceId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/span.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `span_id` [INFO] [stderr] --> src/span.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | span_id: u64, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `SpanState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/span.rs:25:10 [INFO] [stderr] | [INFO] [stderr] 25 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `service_name` [INFO] [stderr] --> src/tracer.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | service_name: Cow<'static, str>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sampler` [INFO] [stderr] --> src/tracer.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | sampler: S, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `opentracing-rs-jaeger` (lib) generated 12 warnings [INFO] [stderr] warning: `opentracing-rs-jaeger` (lib test) generated 12 warnings (12 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opentracing_rs_jaeger-3908816ba58dd92b) [INFO] [stderr] Doc-tests opentracing-rs-jaeger [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> /opt/rustwide/workdir/src/tracer.rs:39:32 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn serve(&mut self) -> (impl Future) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 39 - pub fn serve(&mut self) -> (impl Future) { [INFO] [stderr] 39 + pub fn serve(&mut self) -> impl Future { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "6da2e386c994239bffc6a31c12a39e2b282f399fba657014135800a5bdf75a6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6da2e386c994239bffc6a31c12a39e2b282f399fba657014135800a5bdf75a6b", kill_on_drop: false }` [INFO] [stdout] 6da2e386c994239bffc6a31c12a39e2b282f399fba657014135800a5bdf75a6b