[INFO] fetching crate flexcell 0.1.0-alpha.1...
[INFO] testing flexcell-0.1.0-alpha.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flexcell 0.1.0-alpha.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate flexcell 0.1.0-alpha.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate flexcell 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate flexcell 0.1.0-alpha.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexcell 0.1.0-alpha.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flexcell 0.1.0-alpha.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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25ef08ff29eaa3ccff6e07774367e48055ee73b6ab6ea389674f3af3d254b1b4
[INFO] running `Command { std: "docker" "start" "-a" "25ef08ff29eaa3ccff6e07774367e48055ee73b6ab6ea389674f3af3d254b1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ef08ff29eaa3ccff6e07774367e48055ee73b6ab6ea389674f3af3d254b1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ef08ff29eaa3ccff6e07774367e48055ee73b6ab6ea389674f3af3d254b1b4", kill_on_drop: false }`
[INFO] [stdout] 25ef08ff29eaa3ccff6e07774367e48055ee73b6ab6ea389674f3af3d254b1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46d9457a577584d928a2c277836610e64c3eb6131dc8c0931bd8124d07edd3b6
[INFO] running `Command { std: "docker" "start" "-a" "46d9457a577584d928a2c277836610e64c3eb6131dc8c0931bd8124d07edd3b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexcell v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "46d9457a577584d928a2c277836610e64c3eb6131dc8c0931bd8124d07edd3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d9457a577584d928a2c277836610e64c3eb6131dc8c0931bd8124d07edd3b6", kill_on_drop: false }`
[INFO] [stdout] 46d9457a577584d928a2c277836610e64c3eb6131dc8c0931bd8124d07edd3b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1ea2a9a5eaac9dff8dc30c4eeefa4abcbdbe8fc88a491af083750ef4bf72c7
[INFO] running `Command { std: "docker" "start" "-a" "bd1ea2a9a5eaac9dff8dc30c4eeefa4abcbdbe8fc88a491af083750ef4bf72c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling winnow v0.7.2
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling trybuild v1.0.103
[INFO] [stderr]    Compiling flexcell v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.22s
[INFO] running `Command { std: "docker" "inspect" "bd1ea2a9a5eaac9dff8dc30c4eeefa4abcbdbe8fc88a491af083750ef4bf72c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1ea2a9a5eaac9dff8dc30c4eeefa4abcbdbe8fc88a491af083750ef4bf72c7", kill_on_drop: false }`
[INFO] [stdout] bd1ea2a9a5eaac9dff8dc30c4eeefa4abcbdbe8fc88a491af083750ef4bf72c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34eb0f39ad1bc2bbf5c300150c44a3e5f74f4cc032616009c9faf612596a8fd9
[INFO] running `Command { std: "docker" "start" "-a" "34eb0f39ad1bc2bbf5c300150c44a3e5f74f4cc032616009c9faf612596a8fd9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexcell-f07493afa9d2a66a)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::borrow_mut ... ok
[INFO] [stdout] test tests::borrow_mut_and_lend_mut_with_other ... ok
[INFO] [stdout] test tests::borrow_mut_and_lend_mut_with_self ... ok
[INFO] [stdout] test tests::borrow_mut_and_lend_ref_with_other ... ok
[INFO] [stdout] test tests::borrow_mut_and_lend_ref_with_self ... ok
[INFO] [stdout] test tests::borrow_ref ... ok
[INFO] [stdout] test tests::borrow_ref_and_lend_mut_with_other ... ok
[INFO] [stdout] test tests::borrow_ref_and_lend_ref_with_other ... ok
[INFO] [stdout] test tests::borrow_ref_and_lend_ref_with_self ... ok
[INFO] [stdout] test tests::borrow_mut_and_set ... ok
[INFO] [stdout] test tests::replace ... ok
[INFO] [stdout] test tests::take ... ok
[INFO] [stdout] test tests::set ... ok
[INFO] [stdout] test tests::take_and_lend_mut_with_other ... ok
[INFO] [stdout] test tests::take_and_lend_mut_with_self ... ok
[INFO] [stdout] test tests::take_and_lend_ref_with_other ... ok
[INFO] [stdout] test tests::take_and_lend_ref_with_self ... ok
[INFO] [stdout] test tests::borrow_ref_and_set ... ok
[INFO] [stdout] test tests::borrow_ref_and_replace - should panic ... ok
[INFO] [stdout] test tests::borrow_mut_and_take - should panic ... ok
[INFO] [stdout] test tests::borrow_ref_and_take - should panic ... ok
[INFO] [stderr]      Running tests/trybuild/main.rs (/opt/rustwide/target/debug/deps/trybuild-e500ad3beba2c742)
[INFO] [stdout] test tests::borrow_mut_and_replace - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]     Checking flexcell v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking flexcell-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/flexcell)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/trybuild/compile_fail/cell_cannot_return_inner_value.rs ... ok
[INFO] [stdout] test compile_fail ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]    Compiling flexcell v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling flexcell-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/flexcell)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/trybuild/pass/cell_can_return_outer_value.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test pass ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flexcell
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/lib.rs - FlexCell<T>::as_ptr (line 445) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell (line 236) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell (line 222) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::empty (line 462) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell (line 203) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::from_boxed (line 476) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell (line 211) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::into_boxed (line 493) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_take (line 405) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_replace (line 425) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_take_boxed (line 596) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::set_boxed (line 510) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_into_boxed (line 573) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::replace (line 362) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::take_boxed (line 529) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::into_inner (line 304) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::replace_boxed (line 550) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::new (line 286) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::lend_ref (line 675) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::set (line 321) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_replace_boxed (line 621) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::lend (line 647) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::take (line 341) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_into_inner (line 385) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_with_mut (line 778) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::with (line 704) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::with_mut (line 726) ... ok
[INFO] [stdout] test src/lib.rs - FlexCell<T>::try_with (line 751) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34eb0f39ad1bc2bbf5c300150c44a3e5f74f4cc032616009c9faf612596a8fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34eb0f39ad1bc2bbf5c300150c44a3e5f74f4cc032616009c9faf612596a8fd9", kill_on_drop: false }`
[INFO] [stdout] 34eb0f39ad1bc2bbf5c300150c44a3e5f74f4cc032616009c9faf612596a8fd9