[INFO] fetching crate iroh-metrics 0.38.3...
[INFO] testing iroh-metrics-0.38.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate iroh-metrics 0.38.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate iroh-metrics 0.38.3
[INFO] finished tweaking crates.io crate iroh-metrics 0.38.3
[INFO] tweaked toml for crates.io crate iroh-metrics 0.38.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iroh-metrics 0.38.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iroh-metrics 0.38.3 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10362b3909456f19cbfacc6b8b1762be5c43784a587e3246c6f17a32b64758b
[INFO] running `Command { std: "docker" "start" "-a" "e10362b3909456f19cbfacc6b8b1762be5c43784a587e3246c6f17a32b64758b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10362b3909456f19cbfacc6b8b1762be5c43784a587e3246c6f17a32b64758b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10362b3909456f19cbfacc6b8b1762be5c43784a587e3246c6f17a32b64758b", kill_on_drop: false }`
[INFO] [stdout] e10362b3909456f19cbfacc6b8b1762be5c43784a587e3246c6f17a32b64758b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1556c2981c03e3725d79dc802edb22e829bada9f0aeeb29081aa053ebb4200ad
[INFO] running `Command { std: "docker" "start" "-a" "1556c2981c03e3725d79dc802edb22e829bada9f0aeeb29081aa053ebb4200ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling n0-error-macros v0.1.3
[INFO] [stderr]    Compiling spez v0.1.2
[INFO] [stderr]    Compiling iroh-metrics-derive v0.4.1
[INFO] [stderr]    Compiling n0-error v0.1.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling postcard v1.1.3
[INFO] [stderr]    Compiling iroh-metrics v0.38.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `Command { std: "docker" "inspect" "1556c2981c03e3725d79dc802edb22e829bada9f0aeeb29081aa053ebb4200ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1556c2981c03e3725d79dc802edb22e829bada9f0aeeb29081aa053ebb4200ad", kill_on_drop: false }`
[INFO] [stdout] 1556c2981c03e3725d79dc802edb22e829bada9f0aeeb29081aa053ebb4200ad
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 110364ef4d4ba7635d6a60ec27ad2f1525aa213aa6027e1f8fcd07ad62a0e33c
[INFO] running `Command { std: "docker" "start" "-a" "110364ef4d4ba7635d6a60ec27ad2f1525aa213aa6027e1f8fcd07ad62a0e33c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prometheus-parse v0.2.5
[INFO] [stderr]    Compiling iroh-metrics v0.38.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.08s
[INFO] running `Command { std: "docker" "inspect" "110364ef4d4ba7635d6a60ec27ad2f1525aa213aa6027e1f8fcd07ad62a0e33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110364ef4d4ba7635d6a60ec27ad2f1525aa213aa6027e1f8fcd07ad62a0e33c", kill_on_drop: false }`
[INFO] [stdout] 110364ef4d4ba7635d6a60ec27ad2f1525aa213aa6027e1f8fcd07ad62a0e33c
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ca31046fca61ddd5400c8e8b354898392d5047ae63156cabeaeaa9e09bb45d2
[INFO] running `Command { std: "docker" "start" "-a" "5ca31046fca61ddd5400c8e8b354898392d5047ae63156cabeaeaa9e09bb45d2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iroh_metrics-54d5c775a4adec38)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test base::tests::test_encode_decode ... ok
[INFO] [stdout] test base::tests::test_histogram ... ok
[INFO] [stdout] test base::tests::test_histogram_openmetrics_from_decoder ... ok
[INFO] [stdout] test base::tests::test_serde ... ok
[INFO] [stdout] test base::tests::test_histogram_encode_decode ... ok
[INFO] [stdout] test base::tests::test_derive ... ok
[INFO] [stdout] test base::tests::test_solo_registry ... ok
[INFO] [stdout] test base::tests::test_metric_sets ... ok
[INFO] [stdout] test base::tests::test_metric_help ... ok
[INFO] [stderr]    Doc-tests iroh_metrics
[INFO] [stdout] test base::tests::test_histogram_prometheus_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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" "5ca31046fca61ddd5400c8e8b354898392d5047ae63156cabeaeaa9e09bb45d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca31046fca61ddd5400c8e8b354898392d5047ae63156cabeaeaa9e09bb45d2", kill_on_drop: false }`
[INFO] [stdout] 5ca31046fca61ddd5400c8e8b354898392d5047ae63156cabeaeaa9e09bb45d2