[INFO] fetching crate kcheck-utils 0.1.3...
[INFO] testing kcheck-utils-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kcheck-utils 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate kcheck-utils 0.1.3
[INFO] finished tweaking crates.io crate kcheck-utils 0.1.3
[INFO] tweaked toml for crates.io crate kcheck-utils 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kcheck-utils 0.1.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be1c6be48147c6ee90ad2e39316896e649f9d56d01442dd32ad57b477b2b890
[INFO] running `Command { std: "docker" "start" "-a" "8be1c6be48147c6ee90ad2e39316896e649f9d56d01442dd32ad57b477b2b890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be1c6be48147c6ee90ad2e39316896e649f9d56d01442dd32ad57b477b2b890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be1c6be48147c6ee90ad2e39316896e649f9d56d01442dd32ad57b477b2b890", kill_on_drop: false }`
[INFO] [stdout] 8be1c6be48147c6ee90ad2e39316896e649f9d56d01442dd32ad57b477b2b890
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff3c5dcab0e7b2a70c7fa61a9dc9227e2e5e8790195680e3187d28d2f888a91f
[INFO] running `Command { std: "docker" "start" "-a" "ff3c5dcab0e7b2a70c7fa61a9dc9227e2e5e8790195680e3187d28d2f888a91f", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling kcheck-utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "ff3c5dcab0e7b2a70c7fa61a9dc9227e2e5e8790195680e3187d28d2f888a91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3c5dcab0e7b2a70c7fa61a9dc9227e2e5e8790195680e3187d28d2f888a91f", kill_on_drop: false }`
[INFO] [stdout] ff3c5dcab0e7b2a70c7fa61a9dc9227e2e5e8790195680e3187d28d2f888a91f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94ad707d7315c40680a812800251df5256fe3747bed55abc36459b61e0fbeee3
[INFO] running `Command { std: "docker" "start" "-a" "94ad707d7315c40680a812800251df5256fe3747bed55abc36459b61e0fbeee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling kcheck-utils v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "94ad707d7315c40680a812800251df5256fe3747bed55abc36459b61e0fbeee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ad707d7315c40680a812800251df5256fe3747bed55abc36459b61e0fbeee3", kill_on_drop: false }`
[INFO] [stdout] 94ad707d7315c40680a812800251df5256fe3747bed55abc36459b61e0fbeee3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e573ac3313f2391c2ca273ede1dfb4f271e6bc30b9f9940923cd286fa7e141d2
[INFO] running `Command { std: "docker" "start" "-a" "e573ac3313f2391c2ca273ede1dfb4f271e6bc30b9f9940923cd286fa7e141d2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kcheck_utils-a082cbe44545ea64)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests kcheck_utils
[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] [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" "e573ac3313f2391c2ca273ede1dfb4f271e6bc30b9f9940923cd286fa7e141d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e573ac3313f2391c2ca273ede1dfb4f271e6bc30b9f9940923cd286fa7e141d2", kill_on_drop: false }`
[INFO] [stdout] e573ac3313f2391c2ca273ede1dfb4f271e6bc30b9f9940923cd286fa7e141d2