[INFO] cloning repository https://github.com/emirsassan/plugin-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emirsassan/plugin-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femirsassan%2Fplugin-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femirsassan%2Fplugin-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23e33787528a090ef54a301f1d400aa731dad5b5
[INFO] testing emirsassan/plugin-system against master#198328ad7960b1bece0dc48496bff6c62dd5d339 for pr-149852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femirsassan%2Fplugin-system" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emirsassan/plugin-system
[INFO] finished tweaking git repo https://github.com/emirsassan/plugin-system
[INFO] tweaked toml for git repo https://github.com/emirsassan/plugin-system written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emirsassan/plugin-system on toolchain 198328ad7960b1bece0dc48496bff6c62dd5d339
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emirsassan/plugin-system 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" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04d2213d591481729e8717b9377e83bd792609f095763204c8d83ad8a0c39d9e
[INFO] running `Command { std: "docker" "start" "-a" "04d2213d591481729e8717b9377e83bd792609f095763204c8d83ad8a0c39d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04d2213d591481729e8717b9377e83bd792609f095763204c8d83ad8a0c39d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d2213d591481729e8717b9377e83bd792609f095763204c8d83ad8a0c39d9e", kill_on_drop: false }`
[INFO] [stdout] 04d2213d591481729e8717b9377e83bd792609f095763204c8d83ad8a0c39d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 611cb43c838a8589d289a68229ff34b389b297f86398dfacea472e081c250974
[INFO] running `Command { std: "docker" "start" "-a" "611cb43c838a8589d289a68229ff34b389b297f86398dfacea472e081c250974", kill_on_drop: false }`
[INFO] [stderr]    Compiling api v0.1.0 (/opt/rustwide/workdir/api)
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/plugins/hello)
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling host v0.1.0 (/opt/rustwide/workdir/host)
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]  --> host/src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | type PluginCreateFunc = 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "611cb43c838a8589d289a68229ff34b389b297f86398dfacea472e081c250974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611cb43c838a8589d289a68229ff34b389b297f86398dfacea472e081c250974", kill_on_drop: false }`
[INFO] [stdout] 611cb43c838a8589d289a68229ff34b389b297f86398dfacea472e081c250974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9ecb9f7d716d318b8eccb0fae6b4cb82c66ad74c961caadf61223a4b7c2558
[INFO] running `Command { std: "docker" "start" "-a" "cd9ecb9f7d716d318b8eccb0fae6b4cb82c66ad74c961caadf61223a4b7c2558", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/plugins/hello)
[INFO] [stderr]    Compiling api v0.1.0 (/opt/rustwide/workdir/api)
[INFO] [stderr]    Compiling host v0.1.0 (/opt/rustwide/workdir/host)
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]  --> host/src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | type PluginCreateFunc = 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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "cd9ecb9f7d716d318b8eccb0fae6b4cb82c66ad74c961caadf61223a4b7c2558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9ecb9f7d716d318b8eccb0fae6b4cb82c66ad74c961caadf61223a4b7c2558", kill_on_drop: false }`
[INFO] [stdout] cd9ecb9f7d716d318b8eccb0fae6b4cb82c66ad74c961caadf61223a4b7c2558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a9cd910f8bdab2b9054a1aa611948d40003d968e02e2e92362d99b0fd302634
[INFO] running `Command { std: "docker" "start" "-a" "4a9cd910f8bdab2b9054a1aa611948d40003d968e02e2e92362d99b0fd302634", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stderr]  --> host/src/main.rs:6:25
[INFO] [stderr]   |
[INFO] [stderr] 6 | type PluginCreateFunc = 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: `host` (bin "host" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/api-ee1a752a327c734f)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello-ad0db9414fb7f79b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/host-e9f176fe5c8433e8)
[INFO] [stderr]    Doc-tests api
[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] [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] [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] [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" "4a9cd910f8bdab2b9054a1aa611948d40003d968e02e2e92362d99b0fd302634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9cd910f8bdab2b9054a1aa611948d40003d968e02e2e92362d99b0fd302634", kill_on_drop: false }`
[INFO] [stdout] 4a9cd910f8bdab2b9054a1aa611948d40003d968e02e2e92362d99b0fd302634