[INFO] fetching crate signal-hook-async-std 0.4.0...
[INFO] testing signal-hook-async-std-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate signal-hook-async-std 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate signal-hook-async-std 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate signal-hook-async-std 0.4.0
[INFO] tweaked toml for crates.io crate signal-hook-async-std 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate signal-hook-async-std 0.4.0 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] crate crates.io crate signal-hook-async-std 0.4.0 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f4acfeb3a1aec07f94de9cea3adb82bcf66c5f4a472645eae2d21477ab98ec9
[INFO] running `Command { std: "docker" "start" "-a" "9f4acfeb3a1aec07f94de9cea3adb82bcf66c5f4a472645eae2d21477ab98ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f4acfeb3a1aec07f94de9cea3adb82bcf66c5f4a472645eae2d21477ab98ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4acfeb3a1aec07f94de9cea3adb82bcf66c5f4a472645eae2d21477ab98ec9", kill_on_drop: false }`
[INFO] [stdout] 9f4acfeb3a1aec07f94de9cea3adb82bcf66c5f4a472645eae2d21477ab98ec9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 603a6a5fbcfdcfa84ee2a1761fa303cd97919e4f3092ccd53fd9225e2ac47633
[INFO] running `Command { std: "docker" "start" "-a" "603a6a5fbcfdcfa84ee2a1761fa303cd97919e4f3092ccd53fd9225e2ac47633", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling signal-hook v0.4.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling signal-hook-async-std v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "603a6a5fbcfdcfa84ee2a1761fa303cd97919e4f3092ccd53fd9225e2ac47633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603a6a5fbcfdcfa84ee2a1761fa303cd97919e4f3092ccd53fd9225e2ac47633", kill_on_drop: false }`
[INFO] [stdout] 603a6a5fbcfdcfa84ee2a1761fa303cd97919e4f3092ccd53fd9225e2ac47633
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4416d1dc039f9486adc63c66be64b2477d561fc65002ee19f0a897a4c09c45
[INFO] running `Command { std: "docker" "start" "-a" "4a4416d1dc039f9486adc63c66be64b2477d561fc65002ee19f0a897a4c09c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling value-bag v1.12.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling signal-hook-async-std v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `serial_test` in this scope
[INFO] [stdout]   --> tests/async_std.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _lock = serial_test::lock();
[INFO] [stdout]    |                 ^^^^^^^^^^^ use of unresolved module or unlinked crate `serial_test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serial_test`, use `cargo add serial_test` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serial_test` in this scope
[INFO] [stdout]   --> tests/async_std.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let _lock = serial_test::lock();
[INFO] [stdout]    |                 ^^^^^^^^^^^ use of unresolved module or unlinked crate `serial_test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serial_test`, use `cargo add serial_test` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `serial_test` in this scope
[INFO] [stdout]   --> tests/async_std.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _lock = serial_test::lock();
[INFO] [stdout]    |                 ^^^^^^^^^^^ use of unresolved module or unlinked crate `serial_test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serial_test`, use `cargo add serial_test` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `signal-hook-async-std` (test "async_std") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4a4416d1dc039f9486adc63c66be64b2477d561fc65002ee19f0a897a4c09c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4416d1dc039f9486adc63c66be64b2477d561fc65002ee19f0a897a4c09c45", kill_on_drop: false }`
[INFO] [stdout] 4a4416d1dc039f9486adc63c66be64b2477d561fc65002ee19f0a897a4c09c45
