[INFO] fetching crate lv2rs-core 0.3.3...
[INFO] extracting crate lv2rs-core 0.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/lv2rs-core/0.3.3
[INFO] extracting crate lv2rs-core 0.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lv2rs-core/0.3.3
[INFO] validating manifest of lv2rs-core-0.3.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lv2rs-core-0.3.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lv2rs-core-0.3.3
[INFO] finished frobbing lv2rs-core-0.3.3
[INFO] frobbed toml for lv2rs-core-0.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/lv2rs-core/0.3.3/Cargo.toml
[INFO] started frobbing lv2rs-core-0.3.3
[INFO] finished frobbing lv2rs-core-0.3.3
[INFO] frobbed toml for lv2rs-core-0.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lv2rs-core/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lv2rs-core-0.3.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lv2rs-core/0.3.3:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 51c5a0d8f662b573669b3c0d63dbe760965d3611db45e49fdd1e841c8fa9e35a
[INFO] running `"docker" "start" "-a" "51c5a0d8f662b573669b3c0d63dbe760965d3611db45e49fdd1e841c8fa9e35a"`
[INFO] [stderr]    Compiling lv2rs-core v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/plugin.rs:269:55
[INFO] [stderr]     |
[INFO] [stderr] 269 |     fn extension_data(_uri: &CStr) -> Option<&'static ExtensionData> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[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/plugin.rs:394:46
[INFO] [stderr]     |
[INFO] [stderr] 394 |         Some(ext_data) => ext_data as *const ExtensionData as *const c_void,
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "51c5a0d8f662b573669b3c0d63dbe760965d3611db45e49fdd1e841c8fa9e35a"`
[INFO] running `"docker" "rm" "-f" "51c5a0d8f662b573669b3c0d63dbe760965d3611db45e49fdd1e841c8fa9e35a"`
[INFO] [stdout] 51c5a0d8f662b573669b3c0d63dbe760965d3611db45e49fdd1e841c8fa9e35a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lv2rs-core/0.3.3:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6d49961fce169285281e838eca49d73a83c50b7ff01e4861019efb74b28c95f6
[INFO] running `"docker" "start" "-a" "6d49961fce169285281e838eca49d73a83c50b7ff01e4861019efb74b28c95f6"`
[INFO] [stderr]    Compiling lv2rs-core v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/plugin.rs:269:55
[INFO] [stderr]     |
[INFO] [stderr] 269 |     fn extension_data(_uri: &CStr) -> Option<&'static ExtensionData> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[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/plugin.rs:394:46
[INFO] [stderr]     |
[INFO] [stderr] 394 |         Some(ext_data) => ext_data as *const ExtensionData as *const c_void,
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "6d49961fce169285281e838eca49d73a83c50b7ff01e4861019efb74b28c95f6"`
[INFO] running `"docker" "rm" "-f" "6d49961fce169285281e838eca49d73a83c50b7ff01e4861019efb74b28c95f6"`
[INFO] [stdout] 6d49961fce169285281e838eca49d73a83c50b7ff01e4861019efb74b28c95f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lv2rs-core/0.3.3:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d79ae9feca84d2388627e58538f5f8174ade68a4007ad20fb04ceebdead410e4
[INFO] running `"docker" "start" "-a" "d79ae9feca84d2388627e58538f5f8174ade68a4007ad20fb04ceebdead410e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lv2rs_core-5e542b4f37efc04a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test feature::test_map_features ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plugin-f8ec6d46fa05037a
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_plugin ... ok
[INFO] [stderr]    Doc-tests lv2rs-core
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - lv2_main (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d79ae9feca84d2388627e58538f5f8174ade68a4007ad20fb04ceebdead410e4"`
[INFO] running `"docker" "rm" "-f" "d79ae9feca84d2388627e58538f5f8174ade68a4007ad20fb04ceebdead410e4"`
[INFO] [stdout] d79ae9feca84d2388627e58538f5f8174ade68a4007ad20fb04ceebdead410e4