[INFO] fetching crate quantum_log 0.3.2...
[INFO] building quantum_log-0.3.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate quantum_log 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate quantum_log 0.3.2
[INFO] finished tweaking crates.io crate quantum_log 0.3.2
[INFO] tweaked toml for crates.io crate quantum_log 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate quantum_log 0.3.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quantum_log 0.3.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99f1af2a21116a6919e65fff57b9d2d4a6483ca03a3ca8283b842afc5e082e66
[INFO] running `Command { std: "docker" "start" "-a" "99f1af2a21116a6919e65fff57b9d2d4a6483ca03a3ca8283b842afc5e082e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99f1af2a21116a6919e65fff57b9d2d4a6483ca03a3ca8283b842afc5e082e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f1af2a21116a6919e65fff57b9d2d4a6483ca03a3ca8283b842afc5e082e66", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "593b1cf265b8dc987545a4c87452c262d2881d63c361165e3d09f42c16798881", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "593b1cf265b8dc987545a4c87452c262d2881d63c361165e3d09f42c16798881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593b1cf265b8dc987545a4c87452c262d2881d63c361165e3d09f42c16798881", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c64f430e2a5fc6db2680816a3880032fbc82a8031e99550d87d9cc766d521c6
[INFO] running `Command { std: "docker" "start" "-a" "1c64f430e2a5fc6db2680816a3880032fbc82a8031e99550d87d9cc766d521c6", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Duration` and `sleep`
[INFO] [stdout]    --> src/sinks/default_stdout.rs:543:23
[INFO] [stdout]     |
[INFO] [stdout] 543 |     use tokio::time::{sleep, Duration};
[INFO] [stdout]     |                       ^^^^^  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpListener` and `UdpSocket`
[INFO] [stdout]    --> src/sinks/network.rs:956:22
[INFO] [stdout]     |
[INFO] [stdout] 956 |     use tokio::net::{TcpListener, UdpSocket};
[INFO] [stdout]     |                      ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/core/layers/pre_init_buffer.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 |         let metadata = tracing::Metadata::new(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/core/layers/pre_init_buffer.rs:372:13
[INFO] [stdout]     |
[INFO] [stdout] 372 |         for i in 0..5 {
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 372 |         for _i in 0..5 {
[INFO] [stdout]     |             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MPI_COMM_WORLD`
[INFO] [stdout]     |
[INFO] [stdout] 372 -         for i in 0..5 {
[INFO] [stdout] 372 +         for mpi::ffi::MPI_COMM_WORLD in 0..5 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/core/subscriber.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let result = subscriber.initialize().await;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/core/subscriber.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let result = std::panic::catch_unwind(|| {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/core/subscriber.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |         let result = std::panic::catch_unwind(|| {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/core/subscriber.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |         let result = std::panic::catch_unwind(|| {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/sinks/file.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let file_path = temp_dir.path().join("test.log");
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/sinks/file.rs:425:13
[INFO] [stdout]     |
[INFO] [stdout] 425 |         let file_path = temp_dir.path().join("test.log");
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/sinks/file.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let file_path = temp_dir.path().join("test.log");
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/sinks/stdout.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let metadata = tracing::Metadata::new(
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strategy`
[INFO] [stdout]    --> src/sinks/stdout.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let strategy = crate::config::BackpressureStrategy::Block;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_test_event` is never used
[INFO] [stdout]    --> src/sinks/network.rs:959:8
[INFO] [stdout]     |
[INFO] [stdout] 959 |     fn create_test_event(level: Level, message: &str) -> QuantumLogEvent {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_failure` is never used
[INFO] [stdout]    --> src/sinks/pipeline.rs:606:12
[INFO] [stdout]     |
[INFO] [stdout] 597 |     impl MockStackableSink {
[INFO] [stdout]     |     ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 606 |         fn with_failure(mut self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MockExclusiveSink` is never constructed
[INFO] [stdout]    --> src/sinks/pipeline.rs:667:12
[INFO] [stdout]     |
[INFO] [stdout] 667 |     struct MockExclusiveSink {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_failure`, and `event_count` are never used
[INFO] [stdout]    --> src/sinks/pipeline.rs:674:12
[INFO] [stdout]     |
[INFO] [stdout] 673 |     impl MockExclusiveSink {
[INFO] [stdout]     |     ---------------------- associated items in this implementation
[INFO] [stdout] 674 |         fn new(name: &str) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 682 |         fn with_failure(mut self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 687 |         fn event_count(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "1c64f430e2a5fc6db2680816a3880032fbc82a8031e99550d87d9cc766d521c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c64f430e2a5fc6db2680816a3880032fbc82a8031e99550d87d9cc766d521c6", kill_on_drop: false }`
[INFO] [stdout] 1c64f430e2a5fc6db2680816a3880032fbc82a8031e99550d87d9cc766d521c6