[INFO] fetching crate waitcell 0.4.1...
[INFO] testing waitcell-0.4.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate waitcell 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate waitcell 0.4.1
[INFO] finished tweaking crates.io crate waitcell 0.4.1
[INFO] tweaked toml for crates.io crate waitcell 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waitcell 0.4.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 987001368a2fa7c9da876cb2186965c09f8dffcb008c60dbddbd9ea05104b745
[INFO] running `Command { std: "docker" "start" "-a" "987001368a2fa7c9da876cb2186965c09f8dffcb008c60dbddbd9ea05104b745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "987001368a2fa7c9da876cb2186965c09f8dffcb008c60dbddbd9ea05104b745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987001368a2fa7c9da876cb2186965c09f8dffcb008c60dbddbd9ea05104b745", kill_on_drop: false }`
[INFO] [stdout] 987001368a2fa7c9da876cb2186965c09f8dffcb008c60dbddbd9ea05104b745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaec86438fcaf73da80cb8a8edc22f2a1c83204f7c55f336646e3829d12e722e
[INFO] running `Command { std: "docker" "start" "-a" "eaec86438fcaf73da80cb8a8edc22f2a1c83204f7c55f336646e3829d12e722e", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling waitcell v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "eaec86438fcaf73da80cb8a8edc22f2a1c83204f7c55f336646e3829d12e722e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaec86438fcaf73da80cb8a8edc22f2a1c83204f7c55f336646e3829d12e722e", kill_on_drop: false }`
[INFO] [stdout] eaec86438fcaf73da80cb8a8edc22f2a1c83204f7c55f336646e3829d12e722e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e1df5d407552837da03ebd0e144fa18979b49ee0c1e19b78b17e1a65d53238
[INFO] running `Command { std: "docker" "start" "-a" "24e1df5d407552837da03ebd0e144fa18979b49ee0c1e19b78b17e1a65d53238", kill_on_drop: false }`
[INFO] [stderr]    Compiling waitcell v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "24e1df5d407552837da03ebd0e144fa18979b49ee0c1e19b78b17e1a65d53238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e1df5d407552837da03ebd0e144fa18979b49ee0c1e19b78b17e1a65d53238", kill_on_drop: false }`
[INFO] [stdout] 24e1df5d407552837da03ebd0e144fa18979b49ee0c1e19b78b17e1a65d53238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b86a8efca5b936fabc7abcd724ece0fda6c28059b92e99fcdd2930f12973689
[INFO] running `Command { std: "docker" "start" "-a" "1b86a8efca5b936fabc7abcd724ece0fda6c28059b92e99fcdd2930f12973689", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/waitcell-656c5fae9d6114a8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::init_twice ... ok
[INFO] [stdout] test tests::init_try_get ... ok
[INFO] [stdout] test tests::uninit_init ... ok
[INFO] [stdout] test tests::uninit_try_get ... ok
[INFO] [stdout] test tests::stress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests waitcell
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b86a8efca5b936fabc7abcd724ece0fda6c28059b92e99fcdd2930f12973689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b86a8efca5b936fabc7abcd724ece0fda6c28059b92e99fcdd2930f12973689", kill_on_drop: false }`
[INFO] [stdout] 1b86a8efca5b936fabc7abcd724ece0fda6c28059b92e99fcdd2930f12973689