[INFO] fetching crate fast-cdc 0.1.0...
[INFO] testing fast-cdc-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fast-cdc 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fast-cdc 0.1.0
[INFO] finished tweaking crates.io crate fast-cdc 0.1.0
[INFO] tweaked toml for crates.io crate fast-cdc 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-cdc 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding fake v2.10.0 (available: v4.4.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8ea4dc1db7a04576334e29f6f93c44639257c5cb4b187c2c4c7822e6b2f6fad1
[INFO] running `Command { std: "docker" "start" "-a" "8ea4dc1db7a04576334e29f6f93c44639257c5cb4b187c2c4c7822e6b2f6fad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea4dc1db7a04576334e29f6f93c44639257c5cb4b187c2c4c7822e6b2f6fad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea4dc1db7a04576334e29f6f93c44639257c5cb4b187c2c4c7822e6b2f6fad1", kill_on_drop: false }`
[INFO] [stdout] 8ea4dc1db7a04576334e29f6f93c44639257c5cb4b187c2c4c7822e6b2f6fad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e7908ebf9e83a5f31ed1d72d54dfceb032a9b34b5b0eccc381e046793dd6a392
[INFO] running `Command { std: "docker" "start" "-a" "e7908ebf9e83a5f31ed1d72d54dfceb032a9b34b5b0eccc381e046793dd6a392", kill_on_drop: false }`
[INFO] [stderr]    Compiling cdchunking v1.0.1
[INFO] [stderr]    Compiling fast-cdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e7908ebf9e83a5f31ed1d72d54dfceb032a9b34b5b0eccc381e046793dd6a392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7908ebf9e83a5f31ed1d72d54dfceb032a9b34b5b0eccc381e046793dd6a392", kill_on_drop: false }`
[INFO] [stdout] e7908ebf9e83a5f31ed1d72d54dfceb032a9b34b5b0eccc381e046793dd6a392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3c3b5c7056841fbf45606fc563829a10d562bec1d41fd9f67daeca5fbf6ec4fd
[INFO] running `Command { std: "docker" "start" "-a" "3c3b5c7056841fbf45606fc563829a10d562bec1d41fd9f67daeca5fbf6ec4fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling deunicode v1.6.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling fake v2.10.0
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling fast-cdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "3c3b5c7056841fbf45606fc563829a10d562bec1d41fd9f67daeca5fbf6ec4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3b5c7056841fbf45606fc563829a10d562bec1d41fd9f67daeca5fbf6ec4fd", kill_on_drop: false }`
[INFO] [stdout] 3c3b5c7056841fbf45606fc563829a10d562bec1d41fd9f67daeca5fbf6ec4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c77a51fc120e7a5fa346a68d87c5e72f8fa4eb21bc43bc552bd3fda9328ec13a
[INFO] running `Command { std: "docker" "start" "-a" "c77a51fc120e7a5fa346a68d87c5e72f8fa4eb21bc43bc552bd3fda9328ec13a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_cdc-d0d5e786ee7b14ff)
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-3aa88b592bc12aae)
[INFO] [stdout] test tests::cut_test ... ok
[INFO] [stderr]    Doc-tests fast_cdc
[INFO] [stdout] test tests::cut_test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "c77a51fc120e7a5fa346a68d87c5e72f8fa4eb21bc43bc552bd3fda9328ec13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77a51fc120e7a5fa346a68d87c5e72f8fa4eb21bc43bc552bd3fda9328ec13a", kill_on_drop: false }`
[INFO] [stdout] c77a51fc120e7a5fa346a68d87c5e72f8fa4eb21bc43bc552bd3fda9328ec13a