[INFO] fetching crate thread_cell 0.2.3...
[INFO] testing thread_cell-0.2.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate thread_cell 0.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate thread_cell 0.2.3
[INFO] finished tweaking crates.io crate thread_cell 0.2.3
[INFO] tweaked toml for crates.io crate thread_cell 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thread_cell 0.2.3 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 thread_cell 0.2.3 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] [stderr]     Blocking waiting for file lock on package cache
[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] 6aadc39cdf7a354af8941e3b7d20b73e36ee2cbc18313a5e80ab73e3eb0cb239
[INFO] running `Command { std: "docker" "start" "-a" "6aadc39cdf7a354af8941e3b7d20b73e36ee2cbc18313a5e80ab73e3eb0cb239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aadc39cdf7a354af8941e3b7d20b73e36ee2cbc18313a5e80ab73e3eb0cb239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aadc39cdf7a354af8941e3b7d20b73e36ee2cbc18313a5e80ab73e3eb0cb239", kill_on_drop: false }`
[INFO] [stdout] 6aadc39cdf7a354af8941e3b7d20b73e36ee2cbc18313a5e80ab73e3eb0cb239
[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] 280e7ef8dbadc3499e21e1f022466028256295878378039b1c24a2487dd09df1
[INFO] running `Command { std: "docker" "start" "-a" "280e7ef8dbadc3499e21e1f022466028256295878378039b1c24a2487dd09df1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling thread_cell v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "280e7ef8dbadc3499e21e1f022466028256295878378039b1c24a2487dd09df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280e7ef8dbadc3499e21e1f022466028256295878378039b1c24a2487dd09df1", kill_on_drop: false }`
[INFO] [stdout] 280e7ef8dbadc3499e21e1f022466028256295878378039b1c24a2487dd09df1
[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] a67c72db8f49c75b5bb3d585fc92a2d098a98cf44417ba9082271d248d4f19f4
[INFO] running `Command { std: "docker" "start" "-a" "a67c72db8f49c75b5bb3d585fc92a2d098a98cf44417ba9082271d248d4f19f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling thread_cell v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 31.49s
[INFO] running `Command { std: "docker" "inspect" "a67c72db8f49c75b5bb3d585fc92a2d098a98cf44417ba9082271d248d4f19f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67c72db8f49c75b5bb3d585fc92a2d098a98cf44417ba9082271d248d4f19f4", kill_on_drop: false }`
[INFO] [stdout] a67c72db8f49c75b5bb3d585fc92a2d098a98cf44417ba9082271d248d4f19f4
[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] 99f85f0a9f483c8ca8aa6139e334c0cfeb939344c7a5b3ea78b4edad1ed97ca8
[INFO] running `Command { std: "docker" "start" "-a" "99f85f0a9f483c8ca8aa6139e334c0cfeb939344c7a5b3ea78b4edad1ed97ca8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thread_cell-d3c427a77d6a998c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::can_be_sent_to_another_thread ... ok
[INFO] [stdout] test tests::basic_run_blocking_works ... ok
[INFO] [stdout] test tests::can_hold_non_send_type ... ok
[INFO] [stdout] test tests::dropping_cell_does_not_panic ... ok
[INFO] [stdout] test tests::session_blocking_gives_mutable_access ... ok
[INFO] [stderr]    Doc-tests thread_cell
[INFO] [stdout] test tests::concurrent_run_blocking_requests_are_serialized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/../README.md - (line 21) ... ok
[INFO] [stdout] test src/../README.md - (line 114) ... ok
[INFO] [stdout] test src/../README.md - (line 46) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 46) stdout ----
[INFO] [stdout] error[E0599]: no method named `run` found for struct `ThreadCell<T>` in the current scope
[INFO] [stdout]   --> src/../README.md:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 a.run(|state| {
[INFO] [stdout]    |                 --^^^ method not found in `ThreadCell<Rc<RefCell<GameState>>>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run` found for struct `ThreadCell<T>` in the current scope
[INFO] [stdout]   --> src/../README.md:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 b.run(|state| {
[INFO] [stdout]    |                 --^^^ method not found in `ThreadCell<Rc<RefCell<GameState>>>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 46)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.39s; merged doctests compilation took 0.13s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "99f85f0a9f483c8ca8aa6139e334c0cfeb939344c7a5b3ea78b4edad1ed97ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f85f0a9f483c8ca8aa6139e334c0cfeb939344c7a5b3ea78b4edad1ed97ca8", kill_on_drop: false }`
[INFO] [stdout] 99f85f0a9f483c8ca8aa6139e334c0cfeb939344c7a5b3ea78b4edad1ed97ca8
