[INFO] fetching crate safe_cache 0.2.2...
[INFO] testing safe_cache-0.2.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate safe_cache 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate safe_cache 0.2.2
[INFO] finished tweaking crates.io crate safe_cache 0.2.2
[INFO] tweaked toml for crates.io crate safe_cache 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe_cache 0.2.2 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 28 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4d57836cacc43324a9bbd1f3ac395d4aaab333c5547bb2f8908a333d95f86dee
[INFO] running `Command { std: "docker" "start" "-a" "4d57836cacc43324a9bbd1f3ac395d4aaab333c5547bb2f8908a333d95f86dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d57836cacc43324a9bbd1f3ac395d4aaab333c5547bb2f8908a333d95f86dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d57836cacc43324a9bbd1f3ac395d4aaab333c5547bb2f8908a333d95f86dee", kill_on_drop: false }`
[INFO] [stdout] 4d57836cacc43324a9bbd1f3ac395d4aaab333c5547bb2f8908a333d95f86dee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 28f60d70c826d66634384e0e993b9553f430dca63058e92398560eb4ba492faf
[INFO] running `Command { std: "docker" "start" "-a" "28f60d70c826d66634384e0e993b9553f430dca63058e92398560eb4ba492faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling safe_cache v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "28f60d70c826d66634384e0e993b9553f430dca63058e92398560eb4ba492faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f60d70c826d66634384e0e993b9553f430dca63058e92398560eb4ba492faf", kill_on_drop: false }`
[INFO] [stdout] 28f60d70c826d66634384e0e993b9553f430dca63058e92398560eb4ba492faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a29bd0cd941d5d2d34afdbc91438ffab2ec44f307f58d3882df804aebfd8fb25
[INFO] running `Command { std: "docker" "start" "-a" "a29bd0cd941d5d2d34afdbc91438ffab2ec44f307f58d3882df804aebfd8fb25", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe_cache v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_cache` is never used
[INFO] [stdout]   --> src/lib.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 | async fn test_cache() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_cache_rwlock` is never used
[INFO] [stdout]    --> src/lib.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 | async fn test_cache_rwlock() {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "a29bd0cd941d5d2d34afdbc91438ffab2ec44f307f58d3882df804aebfd8fb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29bd0cd941d5d2d34afdbc91438ffab2ec44f307f58d3882df804aebfd8fb25", kill_on_drop: false }`
[INFO] [stdout] a29bd0cd941d5d2d34afdbc91438ffab2ec44f307f58d3882df804aebfd8fb25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e651cd08551bcaf51f1363ed3d86d56dfe0d7a93cde345f165da74a3fa71980c
[INFO] running `Command { std: "docker" "start" "-a" "e651cd08551bcaf51f1363ed3d86d56dfe0d7a93cde345f165da74a3fa71980c", kill_on_drop: false }`
[INFO] [stderr] warning: function `test_cache` is never used
[INFO] [stderr]   --> src/lib.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 | async fn test_cache() {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_cache_rwlock` is never used
[INFO] [stderr]    --> src/lib.rs:196:10
[INFO] [stderr]     |
[INFO] [stderr] 196 | async fn test_cache_rwlock() {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `safe_cache` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safe_cache-aab69e89c379195c)
[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 safe_cache
[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" "e651cd08551bcaf51f1363ed3d86d56dfe0d7a93cde345f165da74a3fa71980c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e651cd08551bcaf51f1363ed3d86d56dfe0d7a93cde345f165da74a3fa71980c", kill_on_drop: false }`
[INFO] [stdout] e651cd08551bcaf51f1363ed3d86d56dfe0d7a93cde345f165da74a3fa71980c