[INFO] fetching crate holter 0.1.0...
[INFO] testing holter-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate holter 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate holter 0.1.0
[INFO] finished tweaking crates.io crate holter 0.1.0
[INFO] tweaked toml for crates.io crate holter 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate holter 0.1.0 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] crate crates.io crate holter 0.1.0 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-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] 0db17eba6cdc1d3481b85c8c58551b674197a7684390ef9b02a1c89ad30f29d4
[INFO] running `Command { std: "docker" "start" "-a" "0db17eba6cdc1d3481b85c8c58551b674197a7684390ef9b02a1c89ad30f29d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db17eba6cdc1d3481b85c8c58551b674197a7684390ef9b02a1c89ad30f29d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db17eba6cdc1d3481b85c8c58551b674197a7684390ef9b02a1c89ad30f29d4", kill_on_drop: false }`
[INFO] [stdout] 0db17eba6cdc1d3481b85c8c58551b674197a7684390ef9b02a1c89ad30f29d4
[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] 859c963a0035270b08c5d603e0940b58cad675da7c1ac9bc217c7fcbfacb2db9
[INFO] running `Command { std: "docker" "start" "-a" "859c963a0035270b08c5d603e0940b58cad675da7c1ac9bc217c7fcbfacb2db9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling aws-lc-rs v1.13.0
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling cc v1.2.21
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling rustls v0.23.26
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling raw-cpuid v11.5.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling metrics v0.24.2
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling axum-core v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling aws-lc-sys v0.28.2
[INFO] [stderr]    Compiling quanta v0.12.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling metrics-util v0.19.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling h2 v0.4.9
[INFO] [stderr]    Compiling rustls-webpki v0.103.1
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.11
[INFO] [stderr]    Compiling tokio-rustls v0.26.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling axum v0.8.4
[INFO] [stderr]    Compiling metrics-exporter-prometheus v0.17.0
[INFO] [stderr]    Compiling holter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.65s
[INFO] running `Command { std: "docker" "inspect" "859c963a0035270b08c5d603e0940b58cad675da7c1ac9bc217c7fcbfacb2db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859c963a0035270b08c5d603e0940b58cad675da7c1ac9bc217c7fcbfacb2db9", kill_on_drop: false }`
[INFO] [stdout] 859c963a0035270b08c5d603e0940b58cad675da7c1ac9bc217c7fcbfacb2db9
[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] eb96abe8fb261afa6a4e695143d9c0bcdd335dbfe64c54d7d27ab2c1f87f62cc
[INFO] running `Command { std: "docker" "start" "-a" "eb96abe8fb261afa6a4e695143d9c0bcdd335dbfe64c54d7d27ab2c1f87f62cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling holter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "eb96abe8fb261afa6a4e695143d9c0bcdd335dbfe64c54d7d27ab2c1f87f62cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb96abe8fb261afa6a4e695143d9c0bcdd335dbfe64c54d7d27ab2c1f87f62cc", kill_on_drop: false }`
[INFO] [stdout] eb96abe8fb261afa6a4e695143d9c0bcdd335dbfe64c54d7d27ab2c1f87f62cc
[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] 2fad19226d738ef4fb62e0946b6355b22146830180a7fe1c5703c7b11fbeedb2
[INFO] running `Command { std: "docker" "start" "-a" "2fad19226d738ef4fb62e0946b6355b22146830180a7fe1c5703c7b11fbeedb2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/holter-e6a50e7b40d0bd44)
[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]    Doc-tests holter
[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" "2fad19226d738ef4fb62e0946b6355b22146830180a7fe1c5703c7b11fbeedb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fad19226d738ef4fb62e0946b6355b22146830180a7fe1c5703c7b11fbeedb2", kill_on_drop: false }`
[INFO] [stdout] 2fad19226d738ef4fb62e0946b6355b22146830180a7fe1c5703c7b11fbeedb2