[INFO] fetching crate fibre_logging 0.5.2...
[INFO] testing fibre_logging-0.5.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate fibre_logging 0.5.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fibre_logging 0.5.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fibre_logging 0.5.2
[INFO] tweaked toml for crates.io crate fibre_logging 0.5.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fibre_logging 0.5.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fibre_logging 0.5.2 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dc2037e113f370d01c3520e699ceca635671941ccfcb5c11fdf3158f1d68aed
[INFO] running `Command { std: "docker" "start" "-a" "4dc2037e113f370d01c3520e699ceca635671941ccfcb5c11fdf3158f1d68aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dc2037e113f370d01c3520e699ceca635671941ccfcb5c11fdf3158f1d68aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc2037e113f370d01c3520e699ceca635671941ccfcb5c11fdf3158f1d68aed", kill_on_drop: false }`
[INFO] [stdout] 4dc2037e113f370d01c3520e699ceca635671941ccfcb5c11fdf3158f1d68aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdd4d7f0bb0a1fcf1296d3c84091076c0f0f7d27b3219b33dc8d2b519365f668
[INFO] running `Command { std: "docker" "start" "-a" "cdd4d7f0bb0a1fcf1296d3c84091076c0f0f7d27b3219b33dc8d2b519365f668", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling seize v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling papaya v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling humantime v2.2.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling fibre v0.5.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling fibre_logging v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LogEvent` and `LogValue`
[INFO] [stdout]   --> src/init.rs:15:56
[INFO] [stdout]    |
[INFO] [stdout] 15 |   AppenderTaskHandle, InitResult, InternalErrorReport, LogValue,
[INFO] [stdout]    |                                                        ^^^^^^^^
[INFO] [stdout] 16 |   LogEvent,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/init.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |   time::{Duration, Instant},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visitor::LogEventFieldVisitor`
[INFO] [stdout]  --> src/subscriber/log_handler.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 |   subscriber::{processor::EventProcessor, visitor::LogEventFieldVisitor},
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter as LogLevelFilter`
[INFO] [stdout]  --> src/subscriber/log_handler.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{Level, LevelFilter as LogLevelFilter, Metadata as LogMetadata, Record};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter`
[INFO] [stdout]   --> src/subscriber/log_handler.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |   metadata::{Kind, LevelFilter},
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/subscriber/dispatch.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |   fn enabled(&self, metadata: &tracing::Metadata<'_>, _ctx: Context<'_, S>) -> bool {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "cdd4d7f0bb0a1fcf1296d3c84091076c0f0f7d27b3219b33dc8d2b519365f668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd4d7f0bb0a1fcf1296d3c84091076c0f0f7d27b3219b33dc8d2b519365f668", kill_on_drop: false }`
[INFO] [stdout] cdd4d7f0bb0a1fcf1296d3c84091076c0f0f7d27b3219b33dc8d2b519365f668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0566e5765c57bec5c7c86b9a74c047ff53b828dd488a1fde14b72b9852ed9abd
[INFO] running `Command { std: "docker" "start" "-a" "0566e5765c57bec5c7c86b9a74c047ff53b828dd488a1fde14b72b9852ed9abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stdout] warning: unused imports: `LogEvent` and `LogValue`
[INFO] [stdout]   --> src/init.rs:15:56
[INFO] [stdout]    |
[INFO] [stdout] 15 |   AppenderTaskHandle, InitResult, InternalErrorReport, LogValue,
[INFO] [stdout]    |                                                        ^^^^^^^^
[INFO] [stdout] 16 |   LogEvent,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/init.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |   time::{Duration, Instant},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visitor::LogEventFieldVisitor`
[INFO] [stdout]  --> src/subscriber/log_handler.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 |   subscriber::{processor::EventProcessor, visitor::LogEventFieldVisitor},
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter as LogLevelFilter`
[INFO] [stdout]  --> src/subscriber/log_handler.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{Level, LevelFilter as LogLevelFilter, Metadata as LogMetadata, Record};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter`
[INFO] [stdout]   --> src/subscriber/log_handler.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |   metadata::{Kind, LevelFilter},
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/subscriber/dispatch.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |   fn enabled(&self, metadata: &tracing::Metadata<'_>, _ctx: Context<'_, S>) -> bool {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling fibre_logging v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> examples/tracing_usage.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing::{debug, error, info, info_span, instrument, warn, Instrument, Level};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `instrument`
[INFO] [stdout]   --> examples/tracing_usage.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |   use tracing::{info, info_span, instrument};
[INFO] [stdout]    |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LogEvent` and `LogValue`
[INFO] [stdout]   --> src/init.rs:15:56
[INFO] [stdout]    |
[INFO] [stdout] 15 |   AppenderTaskHandle, InitResult, InternalErrorReport, LogValue,
[INFO] [stdout]    |                                                        ^^^^^^^^
[INFO] [stdout] 16 |   LogEvent,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/init.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |   time::{Duration, Instant},
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Path`
[INFO] [stdout]    --> src/init.rs:385:39
[INFO] [stdout]     |
[INFO] [stdout] 385 |   use std::{collections::HashMap, fs, path::Path};
[INFO] [stdout]     |                                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `visitor::LogEventFieldVisitor`
[INFO] [stdout]  --> src/subscriber/log_handler.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 |   subscriber::{processor::EventProcessor, visitor::LogEventFieldVisitor},
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter as LogLevelFilter`
[INFO] [stdout]  --> src/subscriber/log_handler.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{Level, LevelFilter as LogLevelFilter, Metadata as LogMetadata, Record};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter`
[INFO] [stdout]   --> src/subscriber/log_handler.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |   metadata::{Kind, LevelFilter},
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/subscriber/dispatch.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |   fn enabled(&self, metadata: &tracing::Metadata<'_>, _ctx: Context<'_, S>) -> bool {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.92s
[INFO] running `Command { std: "docker" "inspect" "0566e5765c57bec5c7c86b9a74c047ff53b828dd488a1fde14b72b9852ed9abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0566e5765c57bec5c7c86b9a74c047ff53b828dd488a1fde14b72b9852ed9abd", kill_on_drop: false }`
[INFO] [stdout] 0566e5765c57bec5c7c86b9a74c047ff53b828dd488a1fde14b72b9852ed9abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cccc2596c242e2c2e5703afebf98d1d502df463197a5ee71585f44987ce13600
[INFO] running `Command { std: "docker" "start" "-a" "cccc2596c242e2c2e5703afebf98d1d502df463197a5ee71585f44987ce13600", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `LogEvent` and `LogValue`
[INFO] [stderr]   --> src/init.rs:15:56
[INFO] [stderr]    |
[INFO] [stderr] 15 |   AppenderTaskHandle, InitResult, InternalErrorReport, LogValue,
[INFO] [stderr]    |                                                        ^^^^^^^^
[INFO] [stderr] 16 |   LogEvent,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]   --> src/init.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |   time::{Duration, Instant},
[INFO] [stderr]    |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `visitor::LogEventFieldVisitor`
[INFO] [stderr]  --> src/subscriber/log_handler.rs:5:43
[INFO] [stderr]   |
[INFO] [stderr] 5 |   subscriber::{processor::EventProcessor, visitor::LogEventFieldVisitor},
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LevelFilter as LogLevelFilter`
[INFO] [stderr]  --> src/subscriber/log_handler.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{Level, LevelFilter as LogLevelFilter, Metadata as LogMetadata, Record};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LevelFilter`
[INFO] [stderr]   --> src/subscriber/log_handler.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |   metadata::{Kind, LevelFilter},
[INFO] [stderr]    |                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `metadata`
[INFO] [stderr]   --> src/subscriber/dispatch.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |   fn enabled(&self, metadata: &tracing::Metadata<'_>, _ctx: Context<'_, S>) -> bool {
[INFO] [stderr]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `path::Path`
[INFO] [stderr]    --> src/init.rs:385:39
[INFO] [stderr]     |
[INFO] [stderr] 385 |   use std::{collections::HashMap, fs, path::Path};
[INFO] [stderr]     |                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fibre_logging` (lib) generated 6 warnings (run `cargo fix --lib -p fibre_logging` to apply 5 suggestions)
[INFO] [stderr] warning: `fibre_logging` (lib test) generated 7 warnings (6 duplicates) (run `cargo fix --lib -p fibre_logging --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> examples/tracing_usage.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tracing::{debug, error, info, info_span, instrument, warn, Instrument, Level};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `instrument`
[INFO] [stderr]   --> examples/tracing_usage.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 |   use tracing::{info, info_span, instrument};
[INFO] [stderr]    |                                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fibre_logging` (example "tracing_usage") generated 2 warnings (run `cargo fix --example "tracing_usage"` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fibre_logging-5a1daf9d3d868be6)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test config::processed::tests::parse_level_filter_off_level ... ok
[INFO] [stdout] test config::processed::tests::process_raw_config_validates_appender_existence ... ok
[INFO] [stdout] test encoders::json::tests::format_basic_json_event ... ok
[INFO] [stdout] test config::processed::tests::process_raw_config_adds_default_root_if_missing ... ok
[INFO] [stdout] test encoders::json::tests::format_json_event_no_message_no_fields ... ok
[INFO] [stdout] test encoders::json::tests::format_json_event_flattened ... ok
[INFO] [stdout] test encoders::pattern::tests::format_handles_escaped_percent ... ok
[INFO] [stdout] test encoders::pattern::tests::format_with_standard_pattern ... ok
[INFO] [stdout] test encoders::util::tests::test_write_timestamp ... ok
[INFO] [stdout] test encoders::pattern::tests::parse_handles_literals_and_specifiers ... ok
[INFO] [stdout] test encoders::pattern::tests::format_with_custom_date_format ... ok
[INFO] [stdout] test encoders::util::tests::test_write_timestamp_with_custom_format ... ok
[INFO] [stdout] test config::processed::tests::parse_level_filter_valid_levels ... ok
[INFO] [stdout] test init::tests::find_config_file_default ... ok
[INFO] [stdout] test init::tests::find_config_file_not_found ... ok
[INFO] [stdout] test roller::tests::test_low_volume_appender_flushes_correctly ... ok
[INFO] [stdout] test roller::tests::test_low_volume_appender_flushes_correctly_across_multiple_writes ... ok
[INFO] [stdout] test init::tests::build_filter_for_appender_correctly_builds_rules ... ok
[INFO] [stdout] test roller::tests::test_size_based_roll ... ok
[INFO] [stdout] test config::processed::tests::parse_level_filter_invalid_level ... ok
[INFO] [stdout] test roller::tests::test_time_based_roll ... ok
[INFO] [stdout] test roller::tests::test_scenario_for_simple_time_log ... ok
[INFO] [stdout] test roller::tests::test_cleanup_and_retention ... ok
[INFO] [stdout] test encoders::pattern::tests::format_with_padding ... ok
[INFO] [stdout] test init::tests::init_from_file_basic_stub_still_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- init::tests::init_from_file_basic_stub_still_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'init::tests::init_from_file_basic_stub_still_works' panicked at src/init.rs:487:48:
[INFO] [stdout] Failed to create temp file for init test: Custom { kind: ReadOnlyFilesystem, error: PathError { path: "/opt/rustwide/workdir/./.tmp1SVDxk", err: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } } }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64aea7e2a1d2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64aea7e2a1d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64aea7e2a1d2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64aea7e2a1d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64aea7e53b83 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64aea7e53b83 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x64aea7e26db3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64aea7e26db3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64aea7e2a022 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64aea7e2bcac - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x64aea7e2bb02 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x64aea7d0b2e4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x64aea7d0b2e4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64aea7e2c78b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x64aea7e2c78b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x64aea7e2c45a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x64aea7e2a6c9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x64aea7e2c0ed - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x64aea7e51d70 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64aea7e52176 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x64aea7caedda - core::result::Result<T,E>::expect::h642b16ad334c1c48
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x64aea7caedda - fibre_logging::init::tests::init_from_file_basic_stub_still_works::h7fb6025ad54c2163
[INFO] [stdout]                                at /opt/rustwide/workdir/src/init.rs:487:48
[INFO] [stdout]   22:     0x64aea7ca7d09 - fibre_logging::init::tests::init_from_file_basic_stub_still_works::{{closure}}::h153d5d96ec2ec1fe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/init.rs:486:45
[INFO] [stdout]   23:     0x64aea7ca7d09 - core::ops::function::FnOnce::call_once::hc1abd6f8f50a6bff
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x64aea7d10a1b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x64aea7d10a1b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x64aea7d0fc5e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x64aea7d0fc5e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x64aea7d0fc5e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x64aea7d0fc5e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x64aea7d0fc5e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x64aea7d0fc5e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x64aea7d0fc5e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x64aea7cd3804 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x64aea7cd3804 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x64aea7cd71aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x64aea7cd71aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x64aea7cd71aa - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x64aea7cd71aa - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x64aea7cd71aa - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x64aea7cd71aa - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x64aea7cd71aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x64aea7e2f777 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x64aea7e2f777 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x64aea7e2f777 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7a5582e80aa4 - <unknown>
[INFO] [stdout]   46:     0x7a5582f0da34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     init::tests::init_from_file_basic_stub_still_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 24 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "cccc2596c242e2c2e5703afebf98d1d502df463197a5ee71585f44987ce13600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccc2596c242e2c2e5703afebf98d1d502df463197a5ee71585f44987ce13600", kill_on_drop: false }`
[INFO] [stdout] cccc2596c242e2c2e5703afebf98d1d502df463197a5ee71585f44987ce13600
