[INFO] fetching crate singlyton 4.1.1...
[INFO] testing singlyton-4.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate singlyton 4.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate singlyton 4.1.1
[INFO] finished tweaking crates.io crate singlyton 4.1.1
[INFO] tweaked toml for crates.io crate singlyton 4.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate singlyton 4.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cd4797bad9c8a2d57fe0837314fb50a0871a344911f29f423c8d613f48ed6164
[INFO] running `Command { std: "docker" "start" "-a" "cd4797bad9c8a2d57fe0837314fb50a0871a344911f29f423c8d613f48ed6164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd4797bad9c8a2d57fe0837314fb50a0871a344911f29f423c8d613f48ed6164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4797bad9c8a2d57fe0837314fb50a0871a344911f29f423c8d613f48ed6164", kill_on_drop: false }`
[INFO] [stdout] cd4797bad9c8a2d57fe0837314fb50a0871a344911f29f423c8d613f48ed6164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 94b2430feff9cf22d0761b66076d5399f8bbd5b4a4bf38cacecf6fa297749bd8
[INFO] running `Command { std: "docker" "start" "-a" "94b2430feff9cf22d0761b66076d5399f8bbd5b4a4bf38cacecf6fa297749bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic_refcell v0.1.14
[INFO] [stderr]    Compiling singlyton v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "94b2430feff9cf22d0761b66076d5399f8bbd5b4a4bf38cacecf6fa297749bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b2430feff9cf22d0761b66076d5399f8bbd5b4a4bf38cacecf6fa297749bd8", kill_on_drop: false }`
[INFO] [stdout] 94b2430feff9cf22d0761b66076d5399f8bbd5b4a4bf38cacecf6fa297749bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 749d8b27e8b9e0ec2d593f7ccaf4f141506667a33ac66c90251ff7b04ea01d89
[INFO] running `Command { std: "docker" "start" "-a" "749d8b27e8b9e0ec2d593f7ccaf4f141506667a33ac66c90251ff7b04ea01d89", kill_on_drop: false }`
[INFO] [stderr]    Compiling singlyton v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "749d8b27e8b9e0ec2d593f7ccaf4f141506667a33ac66c90251ff7b04ea01d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749d8b27e8b9e0ec2d593f7ccaf4f141506667a33ac66c90251ff7b04ea01d89", kill_on_drop: false }`
[INFO] [stdout] 749d8b27e8b9e0ec2d593f7ccaf4f141506667a33ac66c90251ff7b04ea01d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 86b19c1b7f3ace20d8f92013d09f456f219326ba8d4d626c86ae767b74387f27
[INFO] running `Command { std: "docker" "start" "-a" "86b19c1b7f3ace20d8f92013d09f456f219326ba8d4d626c86ae767b74387f27", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/singlyton-2502e3d9e67a348a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_singleton ... ok
[INFO] [stdout] test tests::test_singleton_uninit ... ok
[INFO] [stdout] test tests::test_refcell - should panic ... ok
[INFO] [stdout] test tests::test_singleton_uninit_panic - should panic ... ok
[INFO] [stdout] test tests::test_thread_safety_2 - should panic ... ok
[INFO] [stdout] test tests::test_thread_safety_3 - should panic ... ok
[INFO] [stdout] test tests::test_thread_safety - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests singlyton
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86b19c1b7f3ace20d8f92013d09f456f219326ba8d4d626c86ae767b74387f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b19c1b7f3ace20d8f92013d09f456f219326ba8d4d626c86ae767b74387f27", kill_on_drop: false }`
[INFO] [stdout] 86b19c1b7f3ace20d8f92013d09f456f219326ba8d4d626c86ae767b74387f27
