[INFO] crate ladspa 0.3.4 is already in cache
[INFO] extracting crate ladspa 0.3.4 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/ladspa/0.3.4
[INFO] extracting crate ladspa 0.3.4 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/ladspa/0.3.4
[INFO] validating manifest of ladspa-0.3.4 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ladspa-0.3.4 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ladspa-0.3.4
[INFO] finished frobbing ladspa-0.3.4
[INFO] frobbed toml for ladspa-0.3.4 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/ladspa/0.3.4/Cargo.toml
[INFO] started frobbing ladspa-0.3.4
[INFO] finished frobbing ladspa-0.3.4
[INFO] frobbed toml for ladspa-0.3.4 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/ladspa/0.3.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ladspa-0.3.4 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/ladspa/0.3.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 388ae89514efd7c6ae9a31dc84137c5ce5642c3b0d6c8556aaafd1f061e23a5b
[INFO] running `"docker" "start" "-a" "388ae89514efd7c6ae9a31dc84137c5ce5642c3b0d6c8556aaafd1f061e23a5b"`
[INFO] [stderr]     Checking ladspa v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ffi.rs:201:17
[INFO] [stderr]     |
[INFO] [stderr] 201 |     plugin: Box<super::Plugin + Send + 'static>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::Plugin + Send + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:109:67
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub new: fn(desc: &PluginDescriptor, sample_rate: u64) -> Box<Plugin + Send>,
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Plugin + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ffi.rs:201:17
[INFO] [stderr]     |
[INFO] [stderr] 201 |     plugin: Box<super::Plugin + Send + 'static>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::Plugin + Send + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:109:67
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub new: fn(desc: &PluginDescriptor, sample_rate: u64) -> Box<Plugin + Send>,
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Plugin + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/ffi.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     Vec::from_raw_parts(desc.port_names,
[INFO] [stderr] 187 | |                         desc.port_count as usize,
[INFO] [stderr] 188 | |                         desc.port_count as usize)
[INFO] [stderr] 189 | |         .iter()
[INFO] [stderr] 190 | |         .map(|&x| CString::from_raw(x))
[INFO] [stderr] 191 | |         .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/ffi.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     Vec::from_raw_parts(desc.port_names,
[INFO] [stderr] 187 | |                         desc.port_count as usize,
[INFO] [stderr] 188 | |                         desc.port_count as usize)
[INFO] [stderr] 189 | |         .iter()
[INFO] [stderr] 190 | |         .map(|&x| CString::from_raw(x))
[INFO] [stderr] 191 | |         .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "388ae89514efd7c6ae9a31dc84137c5ce5642c3b0d6c8556aaafd1f061e23a5b"`
[INFO] running `"docker" "rm" "-f" "388ae89514efd7c6ae9a31dc84137c5ce5642c3b0d6c8556aaafd1f061e23a5b"`
[INFO] [stdout] 388ae89514efd7c6ae9a31dc84137c5ce5642c3b0d6c8556aaafd1f061e23a5b