[INFO] fetching crate taiko-core 0.0.1...
[INFO] testing taiko-core-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate taiko-core 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate taiko-core 0.0.1
[INFO] finished tweaking crates.io crate taiko-core 0.0.1
[INFO] tweaked toml for crates.io crate taiko-core 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate taiko-core 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding tja v0.2.0 (available: v0.5.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2223f9610b6e37894e1cec2e9b485d31cbd5d973118bb3c98cf888c9dd35f733
[INFO] running `Command { std: "docker" "start" "-a" "2223f9610b6e37894e1cec2e9b485d31cbd5d973118bb3c98cf888c9dd35f733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2223f9610b6e37894e1cec2e9b485d31cbd5d973118bb3c98cf888c9dd35f733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2223f9610b6e37894e1cec2e9b485d31cbd5d973118bb3c98cf888c9dd35f733", kill_on_drop: false }`
[INFO] [stdout] 2223f9610b6e37894e1cec2e9b485d31cbd5d973118bb3c98cf888c9dd35f733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f539967b1cf76dcde35d35dcd0c15981520bd7f7474b67d85f85169bed75bc0c
[INFO] running `Command { std: "docker" "start" "-a" "f539967b1cf76dcde35d35dcd0c15981520bd7f7474b67d85f85169bed75bc0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rhythm-core v0.2.0
[INFO] [stderr]    Compiling tja v0.2.0
[INFO] [stderr]    Compiling taiko-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "f539967b1cf76dcde35d35dcd0c15981520bd7f7474b67d85f85169bed75bc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f539967b1cf76dcde35d35dcd0c15981520bd7f7474b67d85f85169bed75bc0c", kill_on_drop: false }`
[INFO] [stdout] f539967b1cf76dcde35d35dcd0c15981520bd7f7474b67d85f85169bed75bc0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8b72cd1e3a0644a20479cea002646cf484007a3f8702dc06b95101a89c802820
[INFO] running `Command { std: "docker" "start" "-a" "8b72cd1e3a0644a20479cea002646cf484007a3f8702dc06b95101a89c802820", kill_on_drop: false }`
[INFO] [stderr]    Compiling taiko-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8b72cd1e3a0644a20479cea002646cf484007a3f8702dc06b95101a89c802820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b72cd1e3a0644a20479cea002646cf484007a3f8702dc06b95101a89c802820", kill_on_drop: false }`
[INFO] [stdout] 8b72cd1e3a0644a20479cea002646cf484007a3f8702dc06b95101a89c802820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a34663309c98e6504ea12361da10c512b598da9d76d13b1b1c779a10972f0a16
[INFO] running `Command { std: "docker" "start" "-a" "a34663309c98e6504ea12361da10c512b598da9d76d13b1b1c779a10972f0a16", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/taiko_core-583d1bb367f25848)
[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 taiko_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/constant.rs - constant::GUAGE_MISS_FACTOR (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a34663309c98e6504ea12361da10c512b598da9d76d13b1b1c779a10972f0a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34663309c98e6504ea12361da10c512b598da9d76d13b1b1c779a10972f0a16", kill_on_drop: false }`
[INFO] [stdout] a34663309c98e6504ea12361da10c512b598da9d76d13b1b1c779a10972f0a16
