[INFO] crate opentracing-rs-jaeger 0.1.0 is already in cache
[INFO] testing opentracing-rs-jaeger-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate opentracing-rs-jaeger 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate opentracing-rs-jaeger 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a596c9d05bb1ad172749d0cadffaa3622e4c9c271c016b0282cd34f8f00b4f2d
[INFO] running `"docker" "start" "-a" "a596c9d05bb1ad172749d0cadffaa3622e4c9c271c016b0282cd34f8f00b4f2d"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[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] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reporter.rs:47:24
[INFO] [stderr]    |
[INFO] [stderr] 47 |     reporters: Vec<Box<Reporter>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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<Reporter>) {
[INFO] [stderr]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/tracer.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn serve(&mut self) -> (impl Future<Item = (), Error = ()>) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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: method is never used: `new`
[INFO] [stderr]   --> src/reporter.rs:51:5
[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: method is never used: `add_reporter`
[INFO] [stderr]   --> src/reporter.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn add_reporter(&mut self, reporter: Box<Reporter>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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: `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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.46s
[INFO] running `"docker" "inspect" "a596c9d05bb1ad172749d0cadffaa3622e4c9c271c016b0282cd34f8f00b4f2d"`
[INFO] running `"docker" "rm" "-f" "a596c9d05bb1ad172749d0cadffaa3622e4c9c271c016b0282cd34f8f00b4f2d"`
[INFO] [stdout] a596c9d05bb1ad172749d0cadffaa3622e4c9c271c016b0282cd34f8f00b4f2d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe71e19aab216f0328cbfad06a1aecc243df910f58c332b3e828da2c2c70ba42
[INFO] running `"docker" "start" "-a" "fe71e19aab216f0328cbfad06a1aecc243df910f58c332b3e828da2c2c70ba42"`
[INFO] [stderr]    Compiling opentracing-rs-jaeger v0.1.0 (/opt/rustwide/workdir)
[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<Box<Reporter>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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<Reporter>) {
[INFO] [stderr]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/tracer.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn serve(&mut self) -> (impl Future<Item = (), Error = ()>) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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: method is never used: `new`
[INFO] [stderr]   --> src/reporter.rs:51:5
[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: method is never used: `add_reporter`
[INFO] [stderr]   --> src/reporter.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn add_reporter(&mut self, reporter: Box<Reporter>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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: `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: 10 warnings emitted
[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<Box<Reporter>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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<Reporter>) {
[INFO] [stderr]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/tracer.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn serve(&mut self) -> (impl Future<Item = (), Error = ()>) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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: method is never used: `new`
[INFO] [stderr]   --> src/reporter.rs:51:5
[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: method is never used: `add_reporter`
[INFO] [stderr]   --> src/reporter.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn add_reporter(&mut self, reporter: Box<Reporter>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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: `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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "fe71e19aab216f0328cbfad06a1aecc243df910f58c332b3e828da2c2c70ba42"`
[INFO] running `"docker" "rm" "-f" "fe71e19aab216f0328cbfad06a1aecc243df910f58c332b3e828da2c2c70ba42"`
[INFO] [stdout] fe71e19aab216f0328cbfad06a1aecc243df910f58c332b3e828da2c2c70ba42
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e5663a1e5b2940e14037e96c23a032a46c5897991f941af71ecf49ea83555a2
[INFO] running `"docker" "start" "-a" "2e5663a1e5b2940e14037e96c23a032a46c5897991f941af71ecf49ea83555a2"`
[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<Box<Reporter>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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<Reporter>) {
[INFO] [stderr]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/tracer.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn serve(&mut self) -> (impl Future<Item = (), Error = ()>) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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: method is never used: `new`
[INFO] [stderr]   --> src/reporter.rs:51:5
[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: method is never used: `add_reporter`
[INFO] [stderr]   --> src/reporter.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn add_reporter(&mut self, reporter: Box<Reporter>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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: `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: 10 warnings emitted
[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<Box<Reporter>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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<Reporter>) {
[INFO] [stderr]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/tracer.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn serve(&mut self) -> (impl Future<Item = (), Error = ()>) {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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: method is never used: `new`
[INFO] [stderr]   --> src/reporter.rs:51:5
[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: method is never used: `add_reporter`
[INFO] [stderr]   --> src/reporter.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn add_reporter(&mut self, reporter: Box<Reporter>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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: `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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/opentracing_rs_jaeger-6ad6c9599350f395
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opentracing-rs-jaeger
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2e5663a1e5b2940e14037e96c23a032a46c5897991f941af71ecf49ea83555a2"`
[INFO] running `"docker" "rm" "-f" "2e5663a1e5b2940e14037e96c23a032a46c5897991f941af71ecf49ea83555a2"`
[INFO] [stdout] 2e5663a1e5b2940e14037e96c23a032a46c5897991f941af71ecf49ea83555a2