[INFO] fetching crate winston 0.7.1...
[INFO] checking winston-0.7.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate winston 0.7.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate winston 0.7.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate winston 0.7.1
[INFO] tweaked toml for crates.io crate winston 0.7.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate winston 0.7.1 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate winston 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded winston_proxy_transport v0.4.0
[INFO] [stderr]   Downloaded jsonpath-rust v1.0.2
[INFO] [stderr]   Downloaded winston_file v0.2.0
[INFO] [stderr]   Downloaded parse_datetime v0.6.0
[INFO] [stderr]   Downloaded dateparser v0.2.1
[INFO] [stderr]   Downloaded logform v0.6.2
[INFO] [stderr]   Downloaded winston_transport v0.6.0
[INFO] [stderr]   Downloaded cc v1.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12c282764adb9853d229567e02189cb38c41a71ac3d8101a71db92320ee7761f
[INFO] running `Command { std: "docker" "start" "-a" "12c282764adb9853d229567e02189cb38c41a71ac3d8101a71db92320ee7761f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c282764adb9853d229567e02189cb38c41a71ac3d8101a71db92320ee7761f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c282764adb9853d229567e02189cb38c41a71ac3d8101a71db92320ee7761f", kill_on_drop: false }`
[INFO] [stdout] 12c282764adb9853d229567e02189cb38c41a71ac3d8101a71db92320ee7761f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32656f8585aa7f06f8a70705c2f4bf4ad65d2ebdcf72955d092db23c9ea6ff1e
[INFO] running `Command { std: "docker" "start" "-a" "32656f8585aa7f06f8a70705c2f4bf4ad65d2ebdcf72955d092db23c9ea6ff1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.145
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[INFO] [stderr]    Compiling quote v1.0.41
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[INFO] [stderr]     Checking dateparser v0.2.1
[INFO] [stderr]     Checking logform v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
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[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking serial_test v3.2.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking jsonpath-rust v1.0.2
[INFO] [stderr]     Checking winston_transport v0.6.0
[INFO] [stderr]     Checking winston_proxy_transport v0.4.0
[INFO] [stderr]     Checking winston_file v0.2.0
[INFO] [stderr]     Checking winston v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `winston_transport::Transport`
[INFO] [stdout]  --> src/logger_options.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winston_transport::Transport;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Configure` is never constructed
[INFO] [stdout]   --> src/logger.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum LogMessage {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 71 |     Entry(Arc<LogInfo>),
[INFO] [stdout] 72 |     Configure(LoggerOptions),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_level_enabled` is never used
[INFO] [stdout]    --> src/logger.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl Logger {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 317 |     fn is_level_enabled(entry_level: &str, state: &SharedState) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/logger.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 541 |         transport: impl Transport<LogInfo> + Send + Sync + 'static,
[INFO] [stdout] 542 |     ) -> TransportBuilder {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 542 |     ) -> TransportBuilder<'_> {
[INFO] [stdout]     |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_delay`, `clear_logs`, and `has_level` are never used
[INFO] [stdout]   --> tests/common/mod.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn with_delay(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn clear_logs(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn has_level(&self, level: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_logs` is never used
[INFO] [stdout]    --> tests/common/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn wait_for_logs(logger: &winston::Logger) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_count`
[INFO] [stdout]    --> tests/backpressure.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let first_count = transport.log_count();
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `has_message` and `has_level` are never used
[INFO] [stdout]   --> tests/common/mod.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn has_message(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn has_level(&self, level: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_logs` is never used
[INFO] [stdout]    --> tests/common/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn wait_for_logs(logger: &winston::Logger) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> tests/public_api.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_config`, `with_delay`, `get_logs`, `clear_logs`, `has_message`, and `has_level` are never used
[INFO] [stdout]   --> tests/common/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn with_config(config: MockConfig) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn with_delay(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_logs(&self) -> Vec<LogInfo> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn clear_logs(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn has_message(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn has_level(&self, level: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_logs` is never used
[INFO] [stdout]    --> tests/common/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn wait_for_logs(logger: &winston::Logger) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winston_transport::Transport`
[INFO] [stdout]  --> src/logger_options.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winston_transport::Transport;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_config`, `with_delay`, `get_logs`, `clear_logs`, `has_message`, and `has_level` are never used
[INFO] [stdout]   --> tests/common/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn with_config(config: MockConfig) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn with_delay(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_logs(&self) -> Vec<LogInfo> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn clear_logs(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn has_message(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn has_level(&self, level: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_logs` is never used
[INFO] [stdout]    --> tests/common/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn wait_for_logs(logger: &winston::Logger) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_config`, `with_delay`, `get_logs`, `clear_logs`, and `has_level` are never used
[INFO] [stdout]   --> tests/common/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn with_config(config: MockConfig) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn with_delay(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_logs(&self) -> Vec<LogInfo> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn clear_logs(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn has_level(&self, level: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_logs` is never used
[INFO] [stdout]    --> tests/common/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn wait_for_logs(logger: &winston::Logger) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_logs`, `clear_logs`, `has_message`, and `has_level` are never used
[INFO] [stdout]   --> tests/common/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_logs(&self) -> Vec<LogInfo> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn clear_logs(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn has_message(&self, message: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn has_level(&self, level: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_logs` is never used
[INFO] [stdout]    --> tests/common/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn wait_for_logs(logger: &winston::Logger) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `with_config` and `with_delay` are never used
[INFO] [stdout]   --> tests/common/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn with_config(config: MockConfig) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn with_delay(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `level` is never read
[INFO] [stdout]   --> tests/common/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct MockConfig {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub level: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MockConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_config`, `with_delay`, `clear_logs`, and `has_level` are never used
[INFO] [stdout]   --> tests/common/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MockTransport {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn with_config(config: MockConfig) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn with_delay(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn clear_logs(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn has_level(&self, level: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `temp_log_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn temp_log_file() -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanup_file` is never used
[INFO] [stdout]    --> tests/common/mod.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn cleanup_file(path: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wait_for_logs` is never used
[INFO] [stdout]    --> tests/common/mod.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn wait_for_logs(logger: &winston::Logger) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Configure` is never constructed
[INFO] [stdout]   --> src/logger.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum LogMessage {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 71 |     Entry(Arc<LogInfo>),
[INFO] [stdout] 72 |     Configure(LoggerOptions),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_level_enabled` is never used
[INFO] [stdout]    --> src/logger.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl Logger {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 317 |     fn is_level_enabled(entry_level: &str, state: &SharedState) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/logger.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 541 |         transport: impl Transport<LogInfo> + Send + Sync + 'static,
[INFO] [stdout] 542 |     ) -> TransportBuilder {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 542 |     ) -> TransportBuilder<'_> {
[INFO] [stdout]     |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.22s
[INFO] running `Command { std: "docker" "inspect" "32656f8585aa7f06f8a70705c2f4bf4ad65d2ebdcf72955d092db23c9ea6ff1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32656f8585aa7f06f8a70705c2f4bf4ad65d2ebdcf72955d092db23c9ea6ff1e", kill_on_drop: false }`
[INFO] [stdout] 32656f8585aa7f06f8a70705c2f4bf4ad65d2ebdcf72955d092db23c9ea6ff1e
