[INFO] fetching crate kora-observability 0.2.0...
[INFO] testing kora-observability-0.2.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate kora-observability 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate kora-observability 0.2.0
[INFO] finished tweaking crates.io crate kora-observability 0.2.0
[INFO] tweaked toml for crates.io crate kora-observability 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kora-observability 0.2.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kora-observability 0.2.0 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80aec3ef67553b0c4a3f55752c31c8a1d080d831afb25f45971fa7d50ebdd323
[INFO] running `Command { std: "docker" "start" "-a" "80aec3ef67553b0c4a3f55752c31c8a1d080d831afb25f45971fa7d50ebdd323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80aec3ef67553b0c4a3f55752c31c8a1d080d831afb25f45971fa7d50ebdd323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80aec3ef67553b0c4a3f55752c31c8a1d080d831afb25f45971fa7d50ebdd323", kill_on_drop: false }`
[INFO] [stdout] 80aec3ef67553b0c4a3f55752c31c8a1d080d831afb25f45971fa7d50ebdd323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37f0dd1a92ee35743e7c91d5aae8a65e1bca43cc5f09b017b3378dc86e7e4925
[INFO] running `Command { std: "docker" "start" "-a" "37f0dd1a92ee35743e7c91d5aae8a65e1bca43cc5f09b017b3378dc86e7e4925", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling kora-observability v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "37f0dd1a92ee35743e7c91d5aae8a65e1bca43cc5f09b017b3378dc86e7e4925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f0dd1a92ee35743e7c91d5aae8a65e1bca43cc5f09b017b3378dc86e7e4925", kill_on_drop: false }`
[INFO] [stdout] 37f0dd1a92ee35743e7c91d5aae8a65e1bca43cc5f09b017b3378dc86e7e4925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ea199d2dafc9830e99ef4da66af01c5feaff2268033bd3df1b75f42d95ac1af
[INFO] running `Command { std: "docker" "start" "-a" "0ea199d2dafc9830e99ef4da66af01c5feaff2268033bd3df1b75f42d95ac1af", kill_on_drop: false }`
[INFO] [stderr]    Compiling kora-observability v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "0ea199d2dafc9830e99ef4da66af01c5feaff2268033bd3df1b75f42d95ac1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea199d2dafc9830e99ef4da66af01c5feaff2268033bd3df1b75f42d95ac1af", kill_on_drop: false }`
[INFO] [stdout] 0ea199d2dafc9830e99ef4da66af01c5feaff2268033bd3df1b75f42d95ac1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e84cb1dd66160c7343049edef2aac20b4054e7fbb5a320a3d8afe2740d50434
[INFO] running `Command { std: "docker" "start" "-a" "3e84cb1dd66160c7343049edef2aac20b4054e7fbb5a320a3d8afe2740d50434", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kora_observability-f61a20f449b6e441)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test sketch::tests::test_basic_counting ... ok
[INFO] [stdout] test sketch::tests::test_decay ... ok
[INFO] [stdout] test histogram::tests::test_clamp_values ... ok
[INFO] [stdout] test sketch::tests::test_reset ... ok
[INFO] [stdout] test sketch::tests::test_overestimation_not_underestimation ... ok
[INFO] [stdout] test sketch::tests::test_unseen_key ... ok
[INFO] [stdout] test histogram::tests::test_out_of_bounds_cmd_id ... ok
[INFO] [stdout] test sketch::tests::test_hot_key_detection ... ok
[INFO] [stdout] test sketch::tests::test_different_keys_distinct ... ok
[INFO] [stdout] test stats::tests::test_command_timer ... ok
[INFO] [stdout] test prometheus::tests::test_format_metrics_basic ... ok
[INFO] [stdout] test stats::tests::test_snapshot_merge ... ok
[INFO] [stdout] test histogram::tests::test_concurrent_recording ... ok
[INFO] [stdout] test trie::tests::test_negative_delta ... ok
[INFO] [stdout] test trie::tests::test_reset ... ok
[INFO] [stdout] test trie::tests::test_unknown_prefix ... ok
[INFO] [stdout] test prometheus::tests::test_format_metrics_with_histograms ... ok
[INFO] [stdout] test stats::tests::test_key_count ... ok
[INFO] [stdout] test histogram::tests::test_record_and_percentile ... ok
[INFO] [stdout] test histogram::tests::test_empty_percentile ... ok
[INFO] [stdout] test trie::tests::test_top_prefixes ... ok
[INFO] [stdout] test trie::tests::test_track_and_query ... ok
[INFO] [stdout] test histogram::tests::test_reset ... ok
[INFO] [stdout] test stats::tests::test_hot_key_tracking ... ok
[INFO] [stdout] test stats::tests::test_decay_and_reset ... ok
[INFO] [stdout] test stats::tests::test_record_command ... ok
[INFO] [stdout] test trie::tests::test_concurrent_tracking ... ok
[INFO] [stdout] test stats::tests::test_concurrent_recording ... ok
[INFO] [stdout] test stats::tests::test_snapshot ... ok
[INFO] [stdout] test prometheus::tests::test_format_metrics_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kora_observability
[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" "3e84cb1dd66160c7343049edef2aac20b4054e7fbb5a320a3d8afe2740d50434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e84cb1dd66160c7343049edef2aac20b4054e7fbb5a320a3d8afe2740d50434", kill_on_drop: false }`
[INFO] [stdout] 3e84cb1dd66160c7343049edef2aac20b4054e7fbb5a320a3d8afe2740d50434
