[INFO] fetching crate winston 0.5.1...
[INFO] testing winston-0.5.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate winston 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate winston 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate winston 0.5.1
[INFO] tweaked toml for crates.io crate winston 0.5.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate winston 0.5.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate winston 0.5.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dateparser v0.2.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfbfa9f669c456582052ff3663dc77e1713359f1c67f0f795c00c028a6322edd
[INFO] running `Command { std: "docker" "start" "-a" "cfbfa9f669c456582052ff3663dc77e1713359f1c67f0f795c00c028a6322edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfbfa9f669c456582052ff3663dc77e1713359f1c67f0f795c00c028a6322edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbfa9f669c456582052ff3663dc77e1713359f1c67f0f795c00c028a6322edd", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2763a7d7f6f8ed8ecb9c355acb55d0263028c2f19515a75f498f2d16a504befe
[INFO] running `Command { std: "docker" "start" "-a" "2763a7d7f6f8ed8ecb9c355acb55d0263028c2f19515a75f498f2d16a504befe", kill_on_drop: false }`
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[INFO] [stderr]    Compiling winston v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::OnceLock`
[INFO] [stdout]    --> src/logger.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 | use std::sync::OnceLock;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Configure` is never constructed
[INFO] [stdout]   --> src/logger.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum LogMessage {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 17 |     Entry(LogInfo),
[INFO] [stdout] 18 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.15s
[INFO] running `Command { std: "docker" "inspect" "2763a7d7f6f8ed8ecb9c355acb55d0263028c2f19515a75f498f2d16a504befe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2763a7d7f6f8ed8ecb9c355acb55d0263028c2f19515a75f498f2d16a504befe", kill_on_drop: false }`
[INFO] [stdout] 2763a7d7f6f8ed8ecb9c355acb55d0263028c2f19515a75f498f2d16a504befe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e96bd3e50471455e62a09a235367d48438b707ab2a2a420b281d86d73f385fc
[INFO] running `Command { std: "docker" "start" "-a" "8e96bd3e50471455e62a09a235367d48438b707ab2a2a420b281d86d73f385fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
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[INFO] [stderr]    Compiling once_cell v1.20.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
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[INFO] [stderr]    Compiling clap v4.5.16
[INFO] [stderr]    Compiling parse_datetime v0.6.0
[INFO] [stderr]    Compiling dateparser v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling jsonpath-rust v1.0.2
[INFO] [stderr]    Compiling logform v0.5.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling winston_transport v0.5.0
[INFO] [stderr]    Compiling winston_proxy_transport v0.3.0
[INFO] [stderr]    Compiling winston v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::OnceLock`
[INFO] [stdout]    --> src/logger.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 | use std::sync::OnceLock;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Configure` is never constructed
[INFO] [stdout]   --> src/logger.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum LogMessage {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 17 |     Entry(LogInfo),
[INFO] [stdout] 18 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::OnceLock`
[INFO] [stdout]    --> src/logger.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 | use std::sync::OnceLock;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DelayedTransport` is never constructed
[INFO] [stdout]  --> tests/common/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DelayedTransport {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/common/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl DelayedTransport {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_filename` is never used
[INFO] [stdout]   --> tests/common/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn generate_random_filename() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryTransport` is never constructed
[INFO] [stdout]   --> tests/common/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct MemoryTransport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/common/mod.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl MemoryTransport {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_filename` is never used
[INFO] [stdout]   --> tests/common/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn generate_random_filename() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_file_if_exists` is never used
[INFO] [stdout]   --> tests/common/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn delete_file_if_exists(file_path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryTransport` is never constructed
[INFO] [stdout]   --> tests/common/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct MemoryTransport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/common/mod.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl MemoryTransport {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_filename` is never used
[INFO] [stdout]   --> tests/common/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn generate_random_filename() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_file_if_exists` is never used
[INFO] [stdout]   --> tests/common/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn delete_file_if_exists(file_path: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryTransport` is never constructed
[INFO] [stdout]   --> tests/common/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct MemoryTransport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/common/mod.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl MemoryTransport {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Configure` is never constructed
[INFO] [stdout]   --> src/logger.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum LogMessage {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 17 |     Entry(LogInfo),
[INFO] [stdout] 18 |     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DelayedTransport` is never constructed
[INFO] [stdout]  --> tests/common/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DelayedTransport {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/common/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl DelayedTransport {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(delay: Duration) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryTransport` is never constructed
[INFO] [stdout]   --> tests/common/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct MemoryTransport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/common/mod.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl MemoryTransport {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.11s
[INFO] running `Command { std: "docker" "inspect" "8e96bd3e50471455e62a09a235367d48438b707ab2a2a420b281d86d73f385fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e96bd3e50471455e62a09a235367d48438b707ab2a2a420b281d86d73f385fc", kill_on_drop: false }`
[INFO] [stdout] 8e96bd3e50471455e62a09a235367d48438b707ab2a2a420b281d86d73f385fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a00a4db15e4c88eb69fafc1e0c586279e3d91d86f62d0ce3a5a9f3802f7263b8
[INFO] running `Command { std: "docker" "start" "-a" "a00a4db15e4c88eb69fafc1e0c586279e3d91d86f62d0ce3a5a9f3802f7263b8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::OnceLock`
[INFO] [stderr]    --> src/logger.rs:435:5
[INFO] [stderr]     |
[INFO] [stderr] 435 | use std::sync::OnceLock;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Configure` is never constructed
[INFO] [stderr]   --> src/logger.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub enum LogMessage {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] 17 |     Entry(LogInfo),
[INFO] [stderr] 18 |     Configure(LoggerOptions),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LogMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `winston` (lib) generated 2 warnings (run `cargo fix --lib -p winston` to apply 1 suggestion)
[INFO] [stderr] warning: `winston` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: struct `DelayedTransport` is never constructed
[INFO] [stderr]  --> tests/common/mod.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct DelayedTransport {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> tests/common/mod.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl DelayedTransport {
[INFO] [stderr]    | --------------------- associated function in this implementation
[INFO] [stderr] 10 |     pub fn new(delay: Duration) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_random_filename` is never used
[INFO] [stderr]   --> tests/common/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn generate_random_filename() -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MemoryTransport` is never constructed
[INFO] [stderr]   --> tests/common/mod.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub struct MemoryTransport {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> tests/common/mod.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl MemoryTransport {
[INFO] [stderr]    | -------------------- associated function in this implementation
[INFO] [stderr] 53 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_random_filename` is never used
[INFO] [stderr]   --> tests/common/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn generate_random_filename() -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `delete_file_if_exists` is never used
[INFO] [stderr]   --> tests/common/mod.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn delete_file_if_exists(file_path: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `winston` (test "common_usage_test") generated 5 warnings
[INFO] [stderr] warning: `winston` (test "backpressure") generated 4 warnings (2 duplicates)
[INFO] [stderr] warning: `winston` (test "default_logger") generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `winston` (test "logger_query") generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/winston-4e5fac8a1773897c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test transports::file::tests::test_file_transport_proxy ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- transports::file::tests::test_file_transport_proxy stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'transports::file::tests::test_file_transport_proxy' panicked at src/transports/file.rs:46:14:
[INFO] [stdout] Failed to open log file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a0882c79af2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a0882c79af2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a0882c79af2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a0882c79af2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a0882ca0f63 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a0882ca0f63 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5a0882c76453 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a0882c76453 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a0882c79942 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a0882c7b529 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5a0882c7b35e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5a0882900f34 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5a0882900f34 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a0882c7befe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5a0882c7befe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5a0882c7bcca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5a0882c79fe9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5a0882c7b95d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5a0882c9f6a0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5a0882c9fb06 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5a08828bb08e - core::result::Result<T,E>::expect::hd5b4d85d6ab2038d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x5a08828bda9f - winston::transports::file::FileTransport::new::h6c1b71892267ac70
[INFO] [stdout]                                at /opt/rustwide/workdir/src/transports/file.rs:46:14
[INFO] [stdout]   22:     0x5a08828c24a8 - winston::transports::file::FileTransportBuilder::build::h5448616c8623af13
[INFO] [stdout]                                at /opt/rustwide/workdir/src/transports/file.rs:361:9
[INFO] [stdout]   23:     0x5a08828c6f89 - winston::transports::file::tests::test_file_transport_proxy::h1e3f6382b218c2d8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/transports/file.rs:381:75
[INFO] [stdout]   24:     0x5a08828c6e6d - winston::transports::file::tests::test_file_transport_proxy::{{closure}}::h8440acf7416db88d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/transports/file.rs:375:39
[INFO] [stdout]   25:     0x5a08828b9a46 - core::ops::function::FnOnce::call_once::hfe31dfaa42154b97
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x5a088290679b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   27:     0x5a088290679b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   28:     0x5a08829058d5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   29:     0x5a08829058d5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5a08829058d5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   31:     0x5a08829058d5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   32:     0x5a08829058d5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5a08829058d5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   34:     0x5a08829058d5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   35:     0x5a08828c94d4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   36:     0x5a08828c94d4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x5a08828cceaa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   38:     0x5a08828cceaa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5a08828cceaa - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   40:     0x5a08828cceaa - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   41:     0x5a08828cceaa - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5a08828cceaa - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   43:     0x5a08828cceaa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   44:     0x5a0882c7f09f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x5a0882c7f09f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   46:     0x705c2a534aa4 - <unknown>
[INFO] [stdout]   47:     0x705c2a5c1a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     transports::file::tests::test_file_transport_proxy
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a00a4db15e4c88eb69fafc1e0c586279e3d91d86f62d0ce3a5a9f3802f7263b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00a4db15e4c88eb69fafc1e0c586279e3d91d86f62d0ce3a5a9f3802f7263b8", kill_on_drop: false }`
[INFO] [stdout] a00a4db15e4c88eb69fafc1e0c586279e3d91d86f62d0ce3a5a9f3802f7263b8
