[INFO] fetching crate s2n-quic-dc-metrics 0.78.0...
[INFO] testing s2n-quic-dc-metrics-0.78.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate s2n-quic-dc-metrics 0.78.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate s2n-quic-dc-metrics 0.78.0
[INFO] finished tweaking crates.io crate s2n-quic-dc-metrics 0.78.0
[INFO] tweaked toml for crates.io crate s2n-quic-dc-metrics 0.78.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate s2n-quic-dc-metrics 0.78.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate s2n-quic-dc-metrics 0.78.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38b8c2c72fa8f7901b7db86af01f108940d47380534ef185608418b5ef971291
[INFO] running `Command { std: "docker" "start" "-a" "38b8c2c72fa8f7901b7db86af01f108940d47380534ef185608418b5ef971291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38b8c2c72fa8f7901b7db86af01f108940d47380534ef185608418b5ef971291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b8c2c72fa8f7901b7db86af01f108940d47380534ef185608418b5ef971291", kill_on_drop: false }`
[INFO] [stdout] 38b8c2c72fa8f7901b7db86af01f108940d47380534ef185608418b5ef971291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c782b6ab98051f5b0d1ab525ad610c000c6496a78f15157e40c1e8176ea1b76e
[INFO] running `Command { std: "docker" "start" "-a" "c782b6ab98051f5b0d1ab525ad610c000c6496a78f15157e40c1e8176ea1b76e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling syn v2.0.113
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling histogram v1.0.0
[INFO] [stderr]    Compiling s2n-quic-dc-metrics v0.78.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.39s
[INFO] running `Command { std: "docker" "inspect" "c782b6ab98051f5b0d1ab525ad610c000c6496a78f15157e40c1e8176ea1b76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c782b6ab98051f5b0d1ab525ad610c000c6496a78f15157e40c1e8176ea1b76e", kill_on_drop: false }`
[INFO] [stdout] c782b6ab98051f5b0d1ab525ad610c000c6496a78f15157e40c1e8176ea1b76e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19b217096919ff2ff2e18b2f9afad214f9bf32248fbd3b584720e96f78d87c6f
[INFO] running `Command { std: "docker" "start" "-a" "19b217096919ff2ff2e18b2f9afad214f9bf32248fbd3b584720e96f78d87c6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling zmij v1.0.10
[INFO] [stderr]    Compiling cc v1.2.59
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling zerocopy-derive v0.8.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling s2n-quic-dc-metrics v0.78.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.45s
[INFO] running `Command { std: "docker" "inspect" "19b217096919ff2ff2e18b2f9afad214f9bf32248fbd3b584720e96f78d87c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b217096919ff2ff2e18b2f9afad214f9bf32248fbd3b584720e96f78d87c6f", kill_on_drop: false }`
[INFO] [stdout] 19b217096919ff2ff2e18b2f9afad214f9bf32248fbd3b584720e96f78d87c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdd51796d76e12b63178172fbfc8c8b52319a36b5e945436e52184db6e999242
[INFO] running `Command { std: "docker" "start" "-a" "fdd51796d76e12b63178172fbfc8c8b52319a36b5e945436e52184db6e999242", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/s2n_quic_dc_metrics-f65697772bd5ff81)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test appender::test::test_configured_rotation ... ok
[INFO] [stdout] test appender::test::test_time_rollback ... ok
[INFO] [stdout] test appender::test::flush_on_drop ... ok
[INFO] [stdout] test rseq::tests::check_per_cpu ... ok
[INFO] [stdout] test summary::bucket::tests::idx_to_lower_bound ... ok
[INFO] [stdout] test rseq::tests::test_thread_ctor_dtor ... ok
[INFO] [stdout] test summary::bucket::tests::sizes ... ok
[INFO] [stdout] test summary::bucket::tests::total_buckets ... ok
[INFO] [stdout] test summary::bucket::tests::value_to_idx ... ok
[INFO] [stdout] test summary::test::config ... ok
[INFO] [stdout] test appender::test::test_reuse ... ok
[INFO] [stdout] test appender::test::test_rotation ... ok
[INFO] [stdout] test summary::bucket::tests::idx_to_upper_bound ... ok
[INFO] [stdout] test counter::basic ... ok
[INFO] [stdout] test counter::sparse_skipped ... ok
[INFO] [stdout] test rseq::tests::check_send_slow_branches ... ok
[INFO] [stdout] test rseq::tests::test_send_event_local ... ok
[INFO] [stdout] test rseq::tests::check_send_branches ... ok
[INFO] [stdout] test summary::test::count_correct ... ok
[INFO] [stdout] test summary::test::maximum ... ok
[INFO] [stdout] test counter::check_u64_max ... ok
[INFO] [stdout] test summary::test::float_roundtrip ... ok
[INFO] [stdout] test summary::test::percent_roundtrip ... ok
[INFO] [stdout] test summary::test::sparse_skipped ... ok
[INFO] [stdout] test test::counters_for_enum_counts ... ok
[INFO] [stdout] test summary::test::visits_all_buckets ... ok
[INFO] [stdout] test rseq::tests::test_send_event_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests s2n_quic_dc_metrics
[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] running `Command { std: "docker" "inspect" "fdd51796d76e12b63178172fbfc8c8b52319a36b5e945436e52184db6e999242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd51796d76e12b63178172fbfc8c8b52319a36b5e945436e52184db6e999242", kill_on_drop: false }`
[INFO] [stdout] fdd51796d76e12b63178172fbfc8c8b52319a36b5e945436e52184db6e999242
