[INFO] fetching crate vst 0.2.0...
[INFO] checking vst-0.2.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate vst 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vst 0.2.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vst 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vst 0.2.0
[INFO] tweaked toml for crates.io crate vst 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate vst 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6f12b67de88c28a1b890c7927594257afe2c6ee53ce033738ff6b99bc7fb0f5
[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" "a6f12b67de88c28a1b890c7927594257afe2c6ee53ce033738ff6b99bc7fb0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6f12b67de88c28a1b890c7927594257afe2c6ee53ce033738ff6b99bc7fb0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f12b67de88c28a1b890c7927594257afe2c6ee53ce033738ff6b99bc7fb0f5", kill_on_drop: false }`
[INFO] [stdout] a6f12b67de88c28a1b890c7927594257afe2c6ee53ce033738ff6b99bc7fb0f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca1d660f1ba8d6889345a1d836fe74ecbc5dc34e3c3cd11d15b7ad871a9fe0c
[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" "5ca1d660f1ba8d6889345a1d836fe74ecbc5dc34e3c3cd11d15b7ad871a9fe0c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking vst v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/plugin.rs:960:34
[INFO] [stdout]     |
[INFO] [stdout] 960 |             ptr => Some(unsafe { (*(ptr as *const TimeInfo)) }),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/host.rs:248:30
[INFO] [stdout]     |
[INFO] [stdout] 248 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/plugin.rs:960:34
[INFO] [stdout]     |
[INFO] [stdout] 960 |             ptr => Some(unsafe { (*(ptr as *const TimeInfo)) }),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/host.rs:248:30
[INFO] [stdout]     |
[INFO] [stdout] 248 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `api::AEffect` does not permit zero-initialization
[INFO] [stdout]    --> src/lib.rs:194:50
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let effect = unsafe { Box::into_raw(Box::new(mem::MaybeUninit::zeroed().assume_init())) };
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  this code causes undefined behavior when executed
[INFO] [stdout]     |                                                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/api.rs:56:5
[INFO] [stdout]     |
[INFO] [stdout] 56  |     pub dispatcher: DispatcherProc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> examples/simple_host.rs:37:67
[INFO] [stdout]    |
[INFO] [stdout] 37 |         .unwrap_or_else(|e| panic!("Failed to load plugin: {}", e.description()));
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `api::AEffect` does not permit zero-initialization
[INFO] [stdout]    --> src/lib.rs:194:50
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let effect = unsafe { Box::into_raw(Box::new(mem::MaybeUninit::zeroed().assume_init())) };
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  this code causes undefined behavior when executed
[INFO] [stdout]     |                                                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/api.rs:56:5
[INFO] [stdout]     |
[INFO] [stdout] 56  |     pub dispatcher: DispatcherProc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `fn(*mut api::AEffect, i32, i32, isize, *mut libc::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] 309 |     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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `Command { std: "docker" "inspect" "5ca1d660f1ba8d6889345a1d836fe74ecbc5dc34e3c3cd11d15b7ad871a9fe0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca1d660f1ba8d6889345a1d836fe74ecbc5dc34e3c3cd11d15b7ad871a9fe0c", kill_on_drop: false }`
[INFO] [stdout] 5ca1d660f1ba8d6889345a1d836fe74ecbc5dc34e3c3cd11d15b7ad871a9fe0c
