[INFO] cloning repository https://github.com/ROki1988/ot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ROki1988/ot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FROki1988%2Fot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FROki1988%2Fot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5bd50eed44bd5b2206226737081ec3d26abc92d
[INFO] testing ROki1988/ot-rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FROki1988%2Fot-rs" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ROki1988/ot-rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ROki1988/ot-rs
[INFO] finished tweaking git repo https://github.com/ROki1988/ot-rs
[INFO] tweaked toml for git repo https://github.com/ROki1988/ot-rs written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/ROki1988/ot-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] [stderr]   Downloaded headers v0.2.1
[INFO] [stderr]   Downloaded quote v1.0.1
[INFO] [stderr]   Downloaded warp v0.1.20
[INFO] [stderr]   Downloaded proptest v0.9.4
[INFO] [stderr]   Downloaded cargo-husky v1.4.0
[INFO] [stderr]   Downloaded syn v1.0.2
[INFO] [stderr]   Downloaded headers-derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 461bbd688d8a2438620d2aff24ef3573f8722c15d16ead658799c6d1699d6ae2
[INFO] running `Command { std: "docker" "start" "-a" "461bbd688d8a2438620d2aff24ef3573f8722c15d16ead658799c6d1699d6ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461bbd688d8a2438620d2aff24ef3573f8722c15d16ead658799c6d1699d6ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461bbd688d8a2438620d2aff24ef3573f8722c15d16ead658799c6d1699d6ae2", kill_on_drop: false }`
[INFO] [stdout] 461bbd688d8a2438620d2aff24ef3573f8722c15d16ead658799c6d1699d6ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 604db30b4c745e6f8920c6ce78c92044de2d164bc22f7106c57cdfd30a0904ae
[INFO] running `Command { std: "docker" "start" "-a" "604db30b4c745e6f8920c6ce78c92044de2d164bc22f7106c57cdfd30a0904ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling ot-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/api/registry.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]  --> src/api/registry.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unit`
[INFO] [stdout]  --> src/api/registry.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     unit: Unit,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `type_`
[INFO] [stdout]  --> src/api/registry.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     type_: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_duration_as_millis`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn span_duration_as_millis(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_duration_as_micros`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn span_duration_as_micros(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_duration_as_nanos`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn span_duration_as_nanos(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_links_iter`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_links_iter(&self) -> impl Iterator<Item = &Link> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_events_iter`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn get_events_iter(&self) -> impl Iterator<Item = &TimedEvent> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_attributes_iter`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_attributes_iter(&self) -> impl Iterator<Item = (&String, &Value)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_start_epoch_time_as_millis`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn get_start_epoch_time_as_millis(&self) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_finish_epoch_time_as_millis`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn get_finish_epoch_time_as_millis(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_start_epoch_time_as_micros`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn get_start_epoch_time_as_micros(&self) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_finish_epoch_time_as_micros`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn get_finish_epoch_time_as_micros(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_start_epoch_time_as_nanos`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn get_start_epoch_time_as_nanos(&self) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_finish_epoch_time_as_nanos`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn get_finish_epoch_time_as_nanos(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_trace`
[INFO] [stdout]    --> src/api/trace/in_memory.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     current_trace: Option<TraceContext>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resource`
[INFO] [stdout]    --> src/api/trace/in_memory.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     resource: Resource,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_trace`
[INFO] [stdout]    --> src/api/trace/in_memory.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn current_trace(&self) -> Option<&TraceContext> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variable`
[INFO] [stdout]  --> src/api/trace/key.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     variable: registry::Variable,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/api/trace/key.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key: Key,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/api/trace/key.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     value: Value,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Scope`
[INFO] [stdout]  --> src/api/trace/scope.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Scope<F, S> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/api/trace/scope.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(span: S, f: F) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/api/trace/scope.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn run(&mut self) -> U {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trace_id`
[INFO] [stdout]   --> src/api/trace/span_data.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     trace_id: TraceId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span_id`
[INFO] [stdout]   --> src/api/trace/span_data.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     span_id: SpanId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trace_option`
[INFO] [stdout]   --> src/api/trace/span_data.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     trace_option: TraceOption,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trace_state`
[INFO] [stdout]   --> src/api/trace/span_data.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     trace_state: TraceState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span_context`
[INFO] [stdout]   --> src/api/trace/span_data.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     span_context: ImmutableSpanContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/api/trace/span_data.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     attributes: HashMap<String, Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]   --> src/api/trace/span_data.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     context: ImmutableSpanContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resource`
[INFO] [stdout]   --> src/api/trace/span_data.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     resource: Resource,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_span_id`
[INFO] [stdout]   --> src/api/trace/span_data.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     parent_span_id: Option<SpanId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/api/trace/span_data.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/api/trace/span_data.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     kind: SpanKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start_time`
[INFO] [stdout]   --> src/api/trace/span_data.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     start_time: Timestamp,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end_time`
[INFO] [stdout]   --> src/api/trace/span_data.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     end_time: Timestamp,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/api/trace/span_data.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     attributes: HashMap<String, Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `events`
[INFO] [stdout]   --> src/api/trace/span_data.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     events: Vec<TimedEvent>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `links`
[INFO] [stdout]   --> src/api/trace/span_data.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     links: Vec<ImmutableLink>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `status`
[INFO] [stdout]   --> src/api/trace/span_data.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     status: Status,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SERVER`
[INFO] [stdout]   --> src/api/trace.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     SERVER,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CLIENT`
[INFO] [stdout]   --> src/api/trace.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     CLIENT,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PRODUCER`
[INFO] [stdout]   --> src/api/trace.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     PRODUCER,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONSUMER`
[INFO] [stdout]   --> src/api/trace.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     CONSUMER,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/api/trace.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn new(name: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_attributes`
[INFO] [stdout]   --> src/api/trace.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new_with_attributes(name: &str, attributes: HashMap<String, Value>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_millis`
[INFO] [stdout]    --> src/api/trace.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn as_millis(&self) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_micros`
[INFO] [stdout]    --> src/api/trace.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn as_micros(&self) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_nanos`
[INFO] [stdout]    --> src/api/trace.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn as_nanos(&self) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `duration_since_as_millis`
[INFO] [stdout]    --> src/api/trace.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn duration_since_as_millis(&self, other: &Self) -> Option<u128> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `duration_since_as_micros`
[INFO] [stdout]    --> src/api/trace.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn duration_since_as_micros(&self, other: &Self) -> Option<u128> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `duration_since_as_nanos`
[INFO] [stdout]    --> src/api/trace.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn duration_since_as_nanos(&self, other: &Self) -> Option<u128> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_str`
[INFO] [stdout]  --> src/api/unit.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_str(&self) -> &str {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.64s
[INFO] running `Command { std: "docker" "inspect" "604db30b4c745e6f8920c6ce78c92044de2d164bc22f7106c57cdfd30a0904ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604db30b4c745e6f8920c6ce78c92044de2d164bc22f7106c57cdfd30a0904ae", kill_on_drop: false }`
[INFO] [stdout] 604db30b4c745e6f8920c6ce78c92044de2d164bc22f7106c57cdfd30a0904ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bca59d905aed59d019c97123ffea1b9f9355e2c7714a4f7a95dbf0fc68b69358
[INFO] running `Command { std: "docker" "start" "-a" "bca59d905aed59d019c97123ffea1b9f9355e2c7714a4f7a95dbf0fc68b69358", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling syn v1.0.2
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling cargo-husky v1.4.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling urlencoding v1.0.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/api/registry.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]  --> src/api/registry.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unit`
[INFO] [stdout]  --> src/api/registry.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     unit: Unit,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `type_`
[INFO] [stdout]  --> src/api/registry.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     type_: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_duration_as_millis`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn span_duration_as_millis(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_duration_as_micros`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn span_duration_as_micros(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span_duration_as_nanos`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn span_duration_as_nanos(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_links_iter`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn get_links_iter(&self) -> impl Iterator<Item = &Link> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_events_iter`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn get_events_iter(&self) -> impl Iterator<Item = &TimedEvent> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_attributes_iter`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn get_attributes_iter(&self) -> impl Iterator<Item = (&String, &Value)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_start_epoch_time_as_millis`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn get_start_epoch_time_as_millis(&self) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_finish_epoch_time_as_millis`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn get_finish_epoch_time_as_millis(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_start_epoch_time_as_micros`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn get_start_epoch_time_as_micros(&self) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_finish_epoch_time_as_micros`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn get_finish_epoch_time_as_micros(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_start_epoch_time_as_nanos`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn get_start_epoch_time_as_nanos(&self) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_finish_epoch_time_as_nanos`
[INFO] [stdout]   --> src/api/trace/in_memory.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn get_finish_epoch_time_as_nanos(&self) -> Option<u128> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_trace`
[INFO] [stdout]    --> src/api/trace/in_memory.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     current_trace: Option<TraceContext>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resource`
[INFO] [stdout]    --> src/api/trace/in_memory.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     resource: Resource,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_trace`
[INFO] [stdout]    --> src/api/trace/in_memory.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn current_trace(&self) -> Option<&TraceContext> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variable`
[INFO] [stdout]  --> src/api/trace/key.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     variable: registry::Variable,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/api/trace/key.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key: Key,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/api/trace/key.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     value: Value,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Scope`
[INFO] [stdout]  --> src/api/trace/scope.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Scope<F, S> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/api/trace/scope.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(span: S, f: F) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/api/trace/scope.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn run(&mut self) -> U {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trace_id`
[INFO] [stdout]   --> src/api/trace/span_data.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     trace_id: TraceId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span_id`
[INFO] [stdout]   --> src/api/trace/span_data.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     span_id: SpanId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trace_option`
[INFO] [stdout]   --> src/api/trace/span_data.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     trace_option: TraceOption,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `trace_state`
[INFO] [stdout]   --> src/api/trace/span_data.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     trace_state: TraceState,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span_context`
[INFO] [stdout]   --> src/api/trace/span_data.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     span_context: ImmutableSpanContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/api/trace/span_data.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     attributes: HashMap<String, Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]   --> src/api/trace/span_data.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     context: ImmutableSpanContext,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resource`
[INFO] [stdout]   --> src/api/trace/span_data.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     resource: Resource,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_span_id`
[INFO] [stdout]   --> src/api/trace/span_data.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     parent_span_id: Option<SpanId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/api/trace/span_data.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/api/trace/span_data.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     kind: SpanKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start_time`
[INFO] [stdout]   --> src/api/trace/span_data.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     start_time: Timestamp,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end_time`
[INFO] [stdout]   --> src/api/trace/span_data.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     end_time: Timestamp,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/api/trace/span_data.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     attributes: HashMap<String, Value>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `events`
[INFO] [stdout]   --> src/api/trace/span_data.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     events: Vec<TimedEvent>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `links`
[INFO] [stdout]   --> src/api/trace/span_data.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     links: Vec<ImmutableLink>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `status`
[INFO] [stdout]   --> src/api/trace/span_data.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     status: Status,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SERVER`
[INFO] [stdout]   --> src/api/trace.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     SERVER,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CLIENT`
[INFO] [stdout]   --> src/api/trace.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     CLIENT,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PRODUCER`
[INFO] [stdout]   --> src/api/trace.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     PRODUCER,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONSUMER`
[INFO] [stdout]   --> src/api/trace.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     CONSUMER,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/api/trace.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn new(name: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_attributes`
[INFO] [stdout]   --> src/api/trace.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn new_with_attributes(name: &str, attributes: HashMap<String, Value>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_millis`
[INFO] [stdout]    --> src/api/trace.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn as_millis(&self) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_micros`
[INFO] [stdout]    --> src/api/trace.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn as_micros(&self) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_nanos`
[INFO] [stdout]    --> src/api/trace.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn as_nanos(&self) -> u128 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `duration_since_as_millis`
[INFO] [stdout]    --> src/api/trace.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn duration_since_as_millis(&self, other: &Self) -> Option<u128> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `duration_since_as_micros`
[INFO] [stdout]    --> src/api/trace.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn duration_since_as_micros(&self, other: &Self) -> Option<u128> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `duration_since_as_nanos`
[INFO] [stdout]    --> src/api/trace.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn duration_since_as_nanos(&self, other: &Self) -> Option<u128> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_str`
[INFO] [stdout]  --> src/api/unit.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn to_str(&self) -> &str {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=8c6b8dd8abdf1ccd -C extra-filename=-8c6b8dd8abdf1ccd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-37093b5b58fed56a.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-3b027f9af76441c8.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-ee4781cc30e192fc.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bca59d905aed59d019c97123ffea1b9f9355e2c7714a4f7a95dbf0fc68b69358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca59d905aed59d019c97123ffea1b9f9355e2c7714a4f7a95dbf0fc68b69358", kill_on_drop: false }`
[INFO] [stdout] bca59d905aed59d019c97123ffea1b9f9355e2c7714a4f7a95dbf0fc68b69358