[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#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femirsassan%2Fplugin-system" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emirsassan/plugin-system on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9210480ae5c98bab753f1058e9ce2f01fbeef786543dfeda0886dbab85889a63
[INFO] running `Command { std: "docker" "start" "-a" "9210480ae5c98bab753f1058e9ce2f01fbeef786543dfeda0886dbab85889a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9210480ae5c98bab753f1058e9ce2f01fbeef786543dfeda0886dbab85889a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9210480ae5c98bab753f1058e9ce2f01fbeef786543dfeda0886dbab85889a63", kill_on_drop: false }`
[INFO] [stdout] 9210480ae5c98bab753f1058e9ce2f01fbeef786543dfeda0886dbab85889a63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90b5af00f0325db73acb8dd534e5f3575917b694ffff0108d004562c8272c9f
[INFO] running `Command { std: "docker" "start" "-a" "b90b5af00f0325db73acb8dd534e5f3575917b694ffff0108d004562c8272c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling api v0.1.0 (/opt/rustwide/workdir/api)
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/plugins/hello)
[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 0.52s
[INFO] running `Command { std: "docker" "inspect" "b90b5af00f0325db73acb8dd534e5f3575917b694ffff0108d004562c8272c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90b5af00f0325db73acb8dd534e5f3575917b694ffff0108d004562c8272c9f", kill_on_drop: false }`
[INFO] [stdout] b90b5af00f0325db73acb8dd534e5f3575917b694ffff0108d004562c8272c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21dbd65bad4cfcc6aa3f89df1cd50aab6656b6d5bf19ed55cf214ba207abe99
[INFO] running `Command { std: "docker" "start" "-a" "d21dbd65bad4cfcc6aa3f89df1cd50aab6656b6d5bf19ed55cf214ba207abe99", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "d21dbd65bad4cfcc6aa3f89df1cd50aab6656b6d5bf19ed55cf214ba207abe99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21dbd65bad4cfcc6aa3f89df1cd50aab6656b6d5bf19ed55cf214ba207abe99", kill_on_drop: false }`
[INFO] [stdout] d21dbd65bad4cfcc6aa3f89df1cd50aab6656b6d5bf19ed55cf214ba207abe99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3aa102b5eac94a12f7ba7030bff2f344acdf50e1c2de33ce7732e89bb7ac9149
[INFO] running `Command { std: "docker" "start" "-a" "3aa102b5eac94a12f7ba7030bff2f344acdf50e1c2de33ce7732e89bb7ac9149", 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/api-ee1a752a327c734f)
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello-ad0db9414fb7f79b)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/host-e9f176fe5c8433e8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests api
[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" "3aa102b5eac94a12f7ba7030bff2f344acdf50e1c2de33ce7732e89bb7ac9149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa102b5eac94a12f7ba7030bff2f344acdf50e1c2de33ce7732e89bb7ac9149", kill_on_drop: false }`
[INFO] [stdout] 3aa102b5eac94a12f7ba7030bff2f344acdf50e1c2de33ce7732e89bb7ac9149