[INFO] fetching crate rt 0.19.1...
[INFO] testing rt-0.19.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rt 0.19.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rt 0.19.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rt 0.19.1
[INFO] tweaked toml for crates.io crate rt 0.19.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rt 0.19.1 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] crate crates.io crate rt 0.19.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f942bd3c02fd9a811099ad5b01f1500afa24efab5558ddde2a29436c806598e2
[INFO] running `Command { std: "docker" "start" "-a" "f942bd3c02fd9a811099ad5b01f1500afa24efab5558ddde2a29436c806598e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f942bd3c02fd9a811099ad5b01f1500afa24efab5558ddde2a29436c806598e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f942bd3c02fd9a811099ad5b01f1500afa24efab5558ddde2a29436c806598e2", kill_on_drop: false }`
[INFO] [stdout] f942bd3c02fd9a811099ad5b01f1500afa24efab5558ddde2a29436c806598e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3393b1a47396acc61d424541a39ac15653b7221ee01d85750e2bc6927678a54a
[INFO] running `Command { std: "docker" "start" "-a" "3393b1a47396acc61d424541a39ac15653b7221ee01d85750e2bc6927678a54a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling rt v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.73s
[INFO] running `Command { std: "docker" "inspect" "3393b1a47396acc61d424541a39ac15653b7221ee01d85750e2bc6927678a54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3393b1a47396acc61d424541a39ac15653b7221ee01d85750e2bc6927678a54a", kill_on_drop: false }`
[INFO] [stdout] 3393b1a47396acc61d424541a39ac15653b7221ee01d85750e2bc6927678a54a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ab78142844a9898def1c75014c2e3321dc3fc9b0355aba252121c25991307267
[INFO] running `Command { std: "docker" "start" "-a" "ab78142844a9898def1c75014c2e3321dc3fc9b0355aba252121c25991307267", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic_float v1.1.0
[INFO] [stderr]    Compiling rt v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "ab78142844a9898def1c75014c2e3321dc3fc9b0355aba252121c25991307267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab78142844a9898def1c75014c2e3321dc3fc9b0355aba252121c25991307267", kill_on_drop: false }`
[INFO] [stdout] ab78142844a9898def1c75014c2e3321dc3fc9b0355aba252121c25991307267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ac183cb56021d7a4a39499acc675b62d5092f43a238a24a2d3abc9d148d570e6
[INFO] running `Command { std: "docker" "start" "-a" "ac183cb56021d7a4a39499acc675b62d5092f43a238a24a2d3abc9d148d570e6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests rust/src/lib.rs (/opt/rustwide/target/debug/deps/rt-f27377767fc709c5)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test sync::barrier::tests::fast_path ... ok
[INFO] [stdout] test sync::notify::tests::clear ... ok
[INFO] [stdout] test sync::once::tests::fast_path ... ok
[INFO] [stdout] test sync::notify::tests::ops ... ok
[INFO] [stdout] test sync::rwlock::tests::fast_path ... ok
[INFO] [stdout] test sync::sem::tests::binary_fast_path ... ok
[INFO] [stdout] test sync::pool::tests::fast_path ... ok
[INFO] [stdout] test sync::event::tests::fast_path ... ok
[INFO] [stdout] test sync::queue::tests::fast_path ... ok
[INFO] [stdout] test sync::notify::tests::fast_path ... ok
[INFO] [stdout] test sync::mutex::tests::try_lock ... ok
[INFO] [stdout] test sync::condvar::tests::signal ... ok
[INFO] [stdout] test sync::mutex::tests::fast_path ... ok
[INFO] [stdout] test sync::sem::tests::fast_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rt
[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" "ac183cb56021d7a4a39499acc675b62d5092f43a238a24a2d3abc9d148d570e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac183cb56021d7a4a39499acc675b62d5092f43a238a24a2d3abc9d148d570e6", kill_on_drop: false }`
[INFO] [stdout] ac183cb56021d7a4a39499acc675b62d5092f43a238a24a2d3abc9d148d570e6
