[INFO] crate lv2rs-core 0.3.3 is already in cache
[INFO] extracting crate lv2rs-core 0.3.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/lv2rs-core/0.3.3
[INFO] extracting crate lv2rs-core 0.3.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lv2rs-core/0.3.3
[INFO] validating manifest of lv2rs-core-0.3.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lv2rs-core-0.3.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/lv2rs-core/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lv2rs-core-0.3.3 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 394329fab7f227934bae98dbd309f4a3cd0bf5e00d61b3ce046139d5e7321359
[INFO] running `"docker" "start" "-a" "394329fab7f227934bae98dbd309f4a3cd0bf5e00d61b3ce046139d5e7321359"`
[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 0.24s
[INFO] running `"docker" "inspect" "394329fab7f227934bae98dbd309f4a3cd0bf5e00d61b3ce046139d5e7321359"`
[INFO] running `"docker" "rm" "-f" "394329fab7f227934bae98dbd309f4a3cd0bf5e00d61b3ce046139d5e7321359"`
[INFO] [stdout] 394329fab7f227934bae98dbd309f4a3cd0bf5e00d61b3ce046139d5e7321359
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 458c5addfec2b8a7b02faceebe625e19e829cb68a183cc05e8f4bd4ab1c34791
[INFO] running `"docker" "start" "-a" "458c5addfec2b8a7b02faceebe625e19e829cb68a183cc05e8f4bd4ab1c34791"`
[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 0.57s
[INFO] running `"docker" "inspect" "458c5addfec2b8a7b02faceebe625e19e829cb68a183cc05e8f4bd4ab1c34791"`
[INFO] running `"docker" "rm" "-f" "458c5addfec2b8a7b02faceebe625e19e829cb68a183cc05e8f4bd4ab1c34791"`
[INFO] [stdout] 458c5addfec2b8a7b02faceebe625e19e829cb68a183cc05e8f4bd4ab1c34791
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ad69680b9299d4c8579702d818f0c6ab36fa664fbbc189746cbf4654f073472b
[INFO] running `"docker" "start" "-a" "ad69680b9299d4c8579702d818f0c6ab36fa664fbbc189746cbf4654f073472b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lv2rs_core-8c72be95be73d4dd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test feature::test_map_features ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/plugin-a5753e755a2324bd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_plugin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lv2rs-core
[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" "ad69680b9299d4c8579702d818f0c6ab36fa664fbbc189746cbf4654f073472b"`
[INFO] running `"docker" "rm" "-f" "ad69680b9299d4c8579702d818f0c6ab36fa664fbbc189746cbf4654f073472b"`
[INFO] [stdout] ad69680b9299d4c8579702d818f0c6ab36fa664fbbc189746cbf4654f073472b