[INFO] fetching crate time-tracker-plugin-sdk 0.4.1...
[INFO] testing time-tracker-plugin-sdk-0.4.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate time-tracker-plugin-sdk 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate time-tracker-plugin-sdk 0.4.1
[INFO] finished tweaking crates.io crate time-tracker-plugin-sdk 0.4.1
[INFO] tweaked toml for crates.io crate time-tracker-plugin-sdk 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate time-tracker-plugin-sdk 0.4.1 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] crate crates.io crate time-tracker-plugin-sdk 0.4.1 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-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 745edb7205cc2ad155d53d735db5ba39ce95d5ee7e9371028c680cc6b731222c
[INFO] running `Command { std: "docker" "start" "-a" "745edb7205cc2ad155d53d735db5ba39ce95d5ee7e9371028c680cc6b731222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745edb7205cc2ad155d53d735db5ba39ce95d5ee7e9371028c680cc6b731222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745edb7205cc2ad155d53d735db5ba39ce95d5ee7e9371028c680cc6b731222c", kill_on_drop: false }`
[INFO] [stdout] 745edb7205cc2ad155d53d735db5ba39ce95d5ee7e9371028c680cc6b731222c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a2d2e28dfdf11e4f042095c265967ed9a471cdf798b79919ae652b57f25fa815
[INFO] running `Command { std: "docker" "start" "-a" "a2d2e28dfdf11e4f042095c265967ed9a471cdf798b79919ae652b57f25fa815", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling time-tracker-plugin-sdk v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PluginCreateFn = unsafe extern "C" fn() -> *mut dyn Plugin;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type PluginDestroyFn = unsafe extern "C" fn(*mut dyn Plugin);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "a2d2e28dfdf11e4f042095c265967ed9a471cdf798b79919ae652b57f25fa815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d2e28dfdf11e4f042095c265967ed9a471cdf798b79919ae652b57f25fa815", kill_on_drop: false }`
[INFO] [stdout] a2d2e28dfdf11e4f042095c265967ed9a471cdf798b79919ae652b57f25fa815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b53e4f4ba50b24cd24cf78a6e87d3908a3d64a8d4e2a8cd31ad988fead01bc53
[INFO] running `Command { std: "docker" "start" "-a" "b53e4f4ba50b24cd24cf78a6e87d3908a3d64a8d4e2a8cd31ad988fead01bc53", kill_on_drop: false }`
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PluginCreateFn = unsafe extern "C" fn() -> *mut dyn Plugin;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time-tracker-plugin-sdk v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type PluginDestroyFn = unsafe extern "C" fn(*mut dyn Plugin);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type PluginCreateFn = unsafe extern "C" fn() -> *mut dyn Plugin;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type PluginDestroyFn = unsafe extern "C" fn(*mut dyn Plugin);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "b53e4f4ba50b24cd24cf78a6e87d3908a3d64a8d4e2a8cd31ad988fead01bc53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53e4f4ba50b24cd24cf78a6e87d3908a3d64a8d4e2a8cd31ad988fead01bc53", kill_on_drop: false }`
[INFO] [stdout] b53e4f4ba50b24cd24cf78a6e87d3908a3d64a8d4e2a8cd31ad988fead01bc53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 17b8b333bd9806a1628fb4ee76d11852c22ceb78d4ef9aa565f924acbd140f08
[INFO] running `Command { std: "docker" "start" "-a" "17b8b333bd9806a1628fb4ee76d11852c22ceb78d4ef9aa565f924acbd140f08", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type PluginCreateFn = unsafe extern "C" fn() -> *mut dyn Plugin;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: trait objects have no C equivalent
[INFO] [stderr]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type PluginDestroyFn = unsafe extern "C" fn(*mut dyn Plugin);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: trait objects have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `time-tracker-plugin-sdk` (lib) generated 2 warnings
[INFO] [stderr] warning: `time-tracker-plugin-sdk` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/time_tracker_plugin_sdk-e6898232de5004af)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests time_tracker_plugin_sdk
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17b8b333bd9806a1628fb4ee76d11852c22ceb78d4ef9aa565f924acbd140f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b8b333bd9806a1628fb4ee76d11852c22ceb78d4ef9aa565f924acbd140f08", kill_on_drop: false }`
[INFO] [stdout] 17b8b333bd9806a1628fb4ee76d11852c22ceb78d4ef9aa565f924acbd140f08
