[INFO] fetching crate vst 0.2.1...
[INFO] testing vst-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate vst 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vst 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vst 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vst 0.2.1
[INFO] tweaked toml for crates.io crate vst 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate vst 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62994677c7ad0a7bb114c91bbb17774814e0010e2ccdaf8e5d0654d55278ced1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62994677c7ad0a7bb114c91bbb17774814e0010e2ccdaf8e5d0654d55278ced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62994677c7ad0a7bb114c91bbb17774814e0010e2ccdaf8e5d0654d55278ced1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62994677c7ad0a7bb114c91bbb17774814e0010e2ccdaf8e5d0654d55278ced1", kill_on_drop: false }`
[INFO] [stdout] 62994677c7ad0a7bb114c91bbb17774814e0010e2ccdaf8e5d0654d55278ced1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8832e65b465ad735ab898f225ef22c1704d2e7f93bb6e280b58e3ac6f47442ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8832e65b465ad735ab898f225ef22c1704d2e7f93bb6e280b58e3ac6f47442ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling vst v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "8832e65b465ad735ab898f225ef22c1704d2e7f93bb6e280b58e3ac6f47442ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8832e65b465ad735ab898f225ef22c1704d2e7f93bb6e280b58e3ac6f47442ed", kill_on_drop: false }`
[INFO] [stdout] 8832e65b465ad735ab898f225ef22c1704d2e7f93bb6e280b58e3ac6f47442ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2615fd0ec27fa74ea68405b32b8ebdb7b00fcc64c662a46db859ebb2055961aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2615fd0ec27fa74ea68405b32b8ebdb7b00fcc64c662a46db859ebb2055961aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling vst v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `fn(*mut AEffect, i32, i32, isize, *mut c_void, f32) -> isize`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:182:51
[INFO] [stdout]     |
[INFO] [stdout] 182 |         pub extern "C" fn VSTPluginMain(callback: $crate::api::HostCallbackProc) -> *mut $crate::api::AEffect {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 319 |     plugin_main!(TestPlugin);
[INFO] [stdout]     |     ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "2615fd0ec27fa74ea68405b32b8ebdb7b00fcc64c662a46db859ebb2055961aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2615fd0ec27fa74ea68405b32b8ebdb7b00fcc64c662a46db859ebb2055961aa", kill_on_drop: false }`
[INFO] [stdout] 2615fd0ec27fa74ea68405b32b8ebdb7b00fcc64c662a46db859ebb2055961aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2801a8677267fdc1bddc843aeeddfd27ddf3790baf86e092034b1d3729b4f411
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2801a8677267fdc1bddc843aeeddfd27ddf3790baf86e092034b1d3729b4f411", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `extern` fn uses type `fn(*mut AEffect, i32, i32, isize, *mut c_void, f32) -> isize`, which is not FFI-safe
[INFO] [stdout] running 16 tests
[INFO] [stderr]    --> src/lib.rs:182:51
[INFO] [stdout] test api::tests::message_survives_calling_events ... ok
[INFO] [stderr]     |
[INFO] [stdout] test api::tests::encode_and_decode_gives_back_original_message ... ok
[INFO] [stderr] 182 |         pub extern "C" fn VSTPluginMain(callback: $crate::api::HostCallbackProc) -> *mut $crate::api::AEffect {
[INFO] [stdout] test buffer::tests::buffer_zip ... ok
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] test plugin::tests::host_callbacks ... ok
[INFO] [stderr] ...
[INFO] [stdout] test tests::host_callback ... ok
[INFO] [stderr] 319 |     plugin_main!(TestPlugin);
[INFO] [stdout] test tests::plugin_deref ... ok
[INFO] [stderr]     |     ------------------------- in this macro invocation
[INFO] [stdout] test buffer::tests::buffer_zip_more_inputs_than_outputs ... ok
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vst-900262c037d9c2eb
[INFO] [stdout] test tests::aeffect_params ... ok
[INFO] [stdout] test buffer::tests::from_raw ... ok
[INFO] [stdout] test buffer::tests::buffer_zip_fewer_inputs_than_outputs ... ok
[INFO] [stdout] test tests::aeffect_created ... ok
[INFO] [stdout] test tests::plugin_no_drop ... ok
[INFO] [stdout] test tests::plugin_drop ... ok
[INFO] [stdout] test plugin::tests::null_panic ... ok
[INFO] [stdout] test host::tests::host_buffer ... ok
[INFO] [stdout] test util::parameter_transfer::tests::parameter_transfer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.40s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vst
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/api.rs - api::Events::events (line 434) ... ok
[INFO] [stdout] test src/api.rs - api::AEffect::flags (line 81) ... ok
[INFO] [stdout] test src/host.rs - host::PluginLoader<T>::load (line 375) ... ok
[INFO] [stdout] test src/plugin.rs - plugin::Plugin::process_f64 (line 609) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::SendEventBuffer::send_events (line 415) ... ok
[INFO] [stdout] test src/plugin.rs - plugin::Plugin::process (line 568) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/api.rs - api::Event::event_type (line 505) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/api.rs - api::Event (line 492) ... ok
[INFO] [stdout] test src/plugin.rs - plugin::HostCallback (line 796) ... ok
[INFO] [stdout] test src/plugin.rs - plugin::Plugin::new (line 483) ... ok
[INFO] [stdout] test src/host.rs - host::HostBuffer (line 773) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2801a8677267fdc1bddc843aeeddfd27ddf3790baf86e092034b1d3729b4f411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2801a8677267fdc1bddc843aeeddfd27ddf3790baf86e092034b1d3729b4f411", kill_on_drop: false }`
[INFO] [stdout] 2801a8677267fdc1bddc843aeeddfd27ddf3790baf86e092034b1d3729b4f411