[INFO] fetching crate ffi_helpers 0.3.0...
[INFO] testing ffi_helpers-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ffi_helpers 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ffi_helpers 0.3.0
[INFO] finished tweaking crates.io crate ffi_helpers 0.3.0
[INFO] tweaked toml for crates.io crate ffi_helpers 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffi_helpers 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ba47c3c6ca4882282e28983c815e2d9a1464f535f09554f9c3686bfbb6903f1
[INFO] running `Command { std: "docker" "start" "-a" "2ba47c3c6ca4882282e28983c815e2d9a1464f535f09554f9c3686bfbb6903f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ba47c3c6ca4882282e28983c815e2d9a1464f535f09554f9c3686bfbb6903f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba47c3c6ca4882282e28983c815e2d9a1464f535f09554f9c3686bfbb6903f1", kill_on_drop: false }`
[INFO] [stdout] 2ba47c3c6ca4882282e28983c815e2d9a1464f535f09554f9c3686bfbb6903f1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a54bce9f2d52b01024c15ee604337faa823ed021ea676fe3d6b425999971e58f
[INFO] running `Command { std: "docker" "start" "-a" "a54bce9f2d52b01024c15ee604337faa823ed021ea676fe3d6b425999971e58f", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ffi_helpers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "a54bce9f2d52b01024c15ee604337faa823ed021ea676fe3d6b425999971e58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54bce9f2d52b01024c15ee604337faa823ed021ea676fe3d6b425999971e58f", kill_on_drop: false }`
[INFO] [stdout] a54bce9f2d52b01024c15ee604337faa823ed021ea676fe3d6b425999971e58f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8a4b44689f2b2f75c4364653e2340adf371caf39d6ba764c0e9032abc456e22
[INFO] running `Command { std: "docker" "start" "-a" "a8a4b44689f2b2f75c4364653e2340adf371caf39d6ba764c0e9032abc456e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi_helpers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "a8a4b44689f2b2f75c4364653e2340adf371caf39d6ba764c0e9032abc456e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a4b44689f2b2f75c4364653e2340adf371caf39d6ba764c0e9032abc456e22", kill_on_drop: false }`
[INFO] [stdout] a8a4b44689f2b2f75c4364653e2340adf371caf39d6ba764c0e9032abc456e22
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 847de2ebce0e03083dc481a14ba90406b65ef4b4a6f999470466d2c59c4936de
[INFO] running `Command { std: "docker" "start" "-a" "847de2ebce0e03083dc481a14ba90406b65ef4b4a6f999470466d2c59c4936de", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ffi_helpers-9e8cae424b2adfb8)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test error_handling::tests::take_the_last_error ... ok
[INFO] [stdout] test error_handling::tests::get_the_last_error_messages_length ... ok
[INFO] [stdout] test error_handling::tests::update_the_error ... ok
[INFO] [stdout] test error_handling::tests::write_the_last_error_message_into_a_buffer ... ok
[INFO] [stdout] test nullable::tests::null_pointer_check_on_garbage_address_doesnt_segfault ... ok
[INFO] [stdout] test nullable::tests::can_detect_non_null_pointers ... ok
[INFO] [stdout] test task::tests::use_the_c_api ... ok
[INFO] [stdout] test panic::tests::able_to_catch_panics_and_recover_the_panic_message ... ok
[INFO] [stdout] test task::tests::task_can_catch_panic_messages ... ok
[INFO] [stdout] test task::tests::spawn_a_task ... ok
[INFO] [stdout] test nullable::tests::can_detect_null_pointers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ffi_helpers
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/nullable.rs - nullable::null_pointer_check (line 92) - compile ... ok
[INFO] [stdout] test src/nullable.rs - nullable::null_pointer_check (line 73) - compile ... ok
[INFO] [stdout] test src/error_handling.rs - error_handling (line 27) ... ok
[INFO] [stdout] test src/nullable.rs - nullable::null_pointer_check (line 113) - compile ... ok
[INFO] [stdout] test src/split.rs - split::split_closure (line 8) ... ok
[INFO] [stdout] test src/task.rs - task (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "847de2ebce0e03083dc481a14ba90406b65ef4b4a6f999470466d2c59c4936de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847de2ebce0e03083dc481a14ba90406b65ef4b4a6f999470466d2c59c4936de", kill_on_drop: false }`
[INFO] [stdout] 847de2ebce0e03083dc481a14ba90406b65ef4b4a6f999470466d2c59c4936de