[INFO] fetching crate tracen_analytics 0.1.2...
[INFO] testing tracen_analytics-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tracen_analytics 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tracen_analytics 0.1.2
[INFO] finished tweaking crates.io crate tracen_analytics 0.1.2
[INFO] tweaked toml for crates.io crate tracen_analytics 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracen_analytics 0.1.2 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 tracen_analytics 0.1.2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2a44b9dab76f8cf8cc5fe7eee489889bd52e487d4086322f7cfa99abdd036b52
[INFO] running `Command { std: "docker" "start" "-a" "2a44b9dab76f8cf8cc5fe7eee489889bd52e487d4086322f7cfa99abdd036b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a44b9dab76f8cf8cc5fe7eee489889bd52e487d4086322f7cfa99abdd036b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a44b9dab76f8cf8cc5fe7eee489889bd52e487d4086322f7cfa99abdd036b52", kill_on_drop: false }`
[INFO] [stdout] 2a44b9dab76f8cf8cc5fe7eee489889bd52e487d4086322f7cfa99abdd036b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3df699bcde47d28889af15ece31f10cccd13d14952477bf2408a03efb249b3ea
[INFO] running `Command { std: "docker" "start" "-a" "3df699bcde47d28889af15ece31f10cccd13d14952477bf2408a03efb249b3ea", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling tracen_analytics v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "3df699bcde47d28889af15ece31f10cccd13d14952477bf2408a03efb249b3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df699bcde47d28889af15ece31f10cccd13d14952477bf2408a03efb249b3ea", kill_on_drop: false }`
[INFO] [stdout] 3df699bcde47d28889af15ece31f10cccd13d14952477bf2408a03efb249b3ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d4f1fd49a7dffc352e6d18e4d4cb0762168567a6dab05a339d947f907bb6d2a7
[INFO] running `Command { std: "docker" "start" "-a" "d4f1fd49a7dffc352e6d18e4d4cb0762168567a6dab05a339d947f907bb6d2a7", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling tracen_analytics v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "d4f1fd49a7dffc352e6d18e4d4cb0762168567a6dab05a339d947f907bb6d2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f1fd49a7dffc352e6d18e4d4cb0762168567a6dab05a339d947f907bb6d2a7", kill_on_drop: false }`
[INFO] [stdout] d4f1fd49a7dffc352e6d18e4d4cb0762168567a6dab05a339d947f907bb6d2a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d1719239a12b3e747ccb1165e652094349ff12ed53cb0d8d6112b352d47398cf
[INFO] running `Command { std: "docker" "start" "-a" "d1719239a12b3e747ccb1165e652094349ff12ed53cb0d8d6112b352d47398cf", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracen_analytics-fdc99a066e7fcde1)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test distribution::tests::calculates_percentages_and_sorts_descending ... ok
[INFO] [stdout] test distribution::tests::handles_zero_total_without_nan ... ok
[INFO] [stdout] test heatmap::tests::calculate_from_day_buckets_preserves_bucket_without_rebucketing ... ok
[INFO] [stdout] test heatmap::tests::empty_input_produces_no_points ... ok
[INFO] [stdout] test heatmap::tests::groups_events_by_day_and_sorts ... ok
[INFO] [stdout] test heatmap::tests::positive_offset_serializes_local_day_date ... ok
[INFO] [stderr]    Doc-tests tracen_analytics
[INFO] [stdout] test streak::tests::longest_streak_tie_prefers_more_recent_segment ... ok
[INFO] [stdout] test time_bucket::tests::round_to_local_month_handles_out_of_range_timestamps ... ok
[INFO] [stdout] test streak::tests::longest_streak_exposes_start_and_end_days ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "d1719239a12b3e747ccb1165e652094349ff12ed53cb0d8d6112b352d47398cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1719239a12b3e747ccb1165e652094349ff12ed53cb0d8d6112b352d47398cf", kill_on_drop: false }`
[INFO] [stdout] d1719239a12b3e747ccb1165e652094349ff12ed53cb0d8d6112b352d47398cf
