[INFO] fetching crate slog-extlog 8.1.0...
[INFO] testing slog-extlog-8.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate slog-extlog 8.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate slog-extlog 8.1.0
[INFO] finished tweaking crates.io crate slog-extlog 8.1.0
[INFO] tweaked toml for crates.io crate slog-extlog 8.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-extlog 8.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2636c4dc767597913c9130463358f1d4da446cee89795e1cc5920e6d67e55156
[INFO] running `Command { std: "docker" "start" "-a" "2636c4dc767597913c9130463358f1d4da446cee89795e1cc5920e6d67e55156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2636c4dc767597913c9130463358f1d4da446cee89795e1cc5920e6d67e55156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2636c4dc767597913c9130463358f1d4da446cee89795e1cc5920e6d67e55156", kill_on_drop: false }`
[INFO] [stdout] 2636c4dc767597913c9130463358f1d4da446cee89795e1cc5920e6d67e55156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa8deef8e3f75e723d6cf0c1620911e9b50efbeb2a7a44b610311a83c93181f
[INFO] running `Command { std: "docker" "start" "-a" "7aa8deef8e3f75e723d6cf0c1620911e9b50efbeb2a7a44b610311a83c93181f", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling iobuffer v0.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-json v2.6.1
[INFO] [stderr]    Compiling slog-extlog v8.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:364:30
[INFO] [stdout]     |
[INFO] [stdout] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "7aa8deef8e3f75e723d6cf0c1620911e9b50efbeb2a7a44b610311a83c93181f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa8deef8e3f75e723d6cf0c1620911e9b50efbeb2a7a44b610311a83c93181f", kill_on_drop: false }`
[INFO] [stdout] 7aa8deef8e3f75e723d6cf0c1620911e9b50efbeb2a7a44b610311a83c93181f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38be7e0b53a7ab0a6dc3889671af401e5f975ca68ef0d28f8169a25fa516a6cc
[INFO] running `Command { std: "docker" "start" "-a" "38be7e0b53a7ab0a6dc3889671af401e5f975ca68ef0d28f8169a25fa516a6cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling slog-extlog-derive v8.1.0
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:364:30
[INFO] [stdout]     |
[INFO] [stdout] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling slog-extlog v8.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:257:30
[INFO] [stdout]     |
[INFO] [stdout] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/stats.rs:364:30
[INFO] [stdout]     |
[INFO] [stdout] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stdout] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CumulBucketCounterLog` is never constructed
[INFO] [stdout]    --> tests/stats_query.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct CumulBucketCounterLog {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "38be7e0b53a7ab0a6dc3889671af401e5f975ca68ef0d28f8169a25fa516a6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38be7e0b53a7ab0a6dc3889671af401e5f975ca68ef0d28f8169a25fa516a6cc", kill_on_drop: false }`
[INFO] [stdout] 38be7e0b53a7ab0a6dc3889671af401e5f975ca68ef0d28f8169a25fa516a6cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac358ab596b5f412feeadab7e9a5ac662dbc5d1a8c1cef18cbc67fd72a87f48a
[INFO] running `Command { std: "docker" "start" "-a" "ac358ab596b5f412feeadab7e9a5ac662dbc5d1a8c1cef18cbc67fd72a87f48a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/stats.rs:257:30
[INFO] [stderr]     |
[INFO] [stderr] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/stats.rs:364:30
[INFO] [stderr]     |
[INFO] [stderr] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `slog-extlog` (lib) generated 2 warnings (run `cargo fix --lib -p slog-extlog` to apply 2 suggestions)
[INFO] [stderr] warning: struct `CumulBucketCounterLog` is never constructed
[INFO] [stderr]    --> tests/stats_query.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 | struct CumulBucketCounterLog {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slog-extlog` (test "stats_query") generated 1 warning
[INFO] [stderr] warning: `slog-extlog` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slog_extlog-028a0e5a8e33f9e2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test slog_test::tests::test_partial_write ... ok
[INFO] [stdout] test stats::tests::check_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/demo_test.rs (/opt/rustwide/target/debug/deps/demo_test-2ba1035794d21d6f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_main ... ok
[INFO] [stdout] test test_assert_json_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stats_extlog.rs (/opt/rustwide/target/debug/deps/stats_extlog-2bf8e68d430e384e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stats_query.rs (/opt/rustwide/target/debug/deps/stats_query-a9d21b52764695bd)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test request_for_bucket_counter_cumul_freq ... ok
[INFO] [stdout] test request_for_bucket_counter_freq ... ok
[INFO] [stdout] test request_for_bucket_counter_freq_one_value ... ok
[INFO] [stdout] test request_for_bucket_counter_with_groups_and_two_values ... ok
[INFO] [stdout] test request_for_multiple_metrics ... ok
[INFO] [stdout] test request_for_single_counter ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_and_one_value ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_and_two_values ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_but_no_values ... ok
[INFO] [stdout] test request_with_no_stats ... ok
[INFO] [stdout] test request_for_single_gauge_with_groups_and_one_value ... ok
[INFO] [stdout] test request_for_updated_metrics ... ok
[INFO] [stdout] test request_for_single_gauge_with_groups_but_no_values ... ok
[INFO] [stdout] test request_for_single_gauge ... ok
[INFO] [stderr]    Doc-tests slog_extlog
[INFO] [stdout] test request_for_many_metrics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/stats.rs:257:30
[INFO] [stderr]     |
[INFO] [stderr] 257 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 257 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr] 257 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/stats.rs:364:30
[INFO] [stderr]     |
[INFO] [stderr] 364 |         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 364 -         serializer: &mut dyn (::slog::Serializer),
[INFO] [stderr] 364 +         serializer: &mut dyn ::slog::Serializer,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - impl_value_wrapper (line 197) ... ignored
[INFO] [stdout] test src/lib.rs - impl_value_wrapper (line 205) ... ignored
[INFO] [stdout] test src/slog_test.rs - slog_test (line 13) ... ok
[INFO] [stdout] test src/stats.rs - stats::StatsLoggerBuilder (line 481) ... ok
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac358ab596b5f412feeadab7e9a5ac662dbc5d1a8c1cef18cbc67fd72a87f48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac358ab596b5f412feeadab7e9a5ac662dbc5d1a8c1cef18cbc67fd72a87f48a", kill_on_drop: false }`
[INFO] [stdout] ac358ab596b5f412feeadab7e9a5ac662dbc5d1a8c1cef18cbc67fd72a87f48a