[INFO] crate pxl 0.0.9 is already in cache
[INFO] extracting crate pxl 0.0.9 into work/ex/beta-1.37-6/sources/1.36.0/reg/pxl/0.0.9
[INFO] extracting crate pxl 0.0.9 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pxl/0.0.9
[INFO] validating manifest of pxl-0.0.9 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 pxl-0.0.9 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 pxl-0.0.9
[INFO] removed 0 missing examples
[INFO] finished frobbing pxl-0.0.9
[INFO] frobbed toml for pxl-0.0.9 written to work/ex/beta-1.37-6/sources/1.36.0/reg/pxl/0.0.9/Cargo.toml
[INFO] started frobbing pxl-0.0.9
[INFO] removed 0 missing examples
[INFO] finished frobbing pxl-0.0.9
[INFO] frobbed toml for pxl-0.0.9 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pxl/0.0.9/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 pxl-0.0.9 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-7/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/pxl/0.0.9:/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] 7e63c9e6828688a28edcb20a63e220f227b93a2d8af28e41b593ff7b4b86258a
[INFO] running `"docker" "start" "-a" "7e63c9e6828688a28edcb20a63e220f227b93a2d8af28e41b593ff7b4b86258a"`
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling glutin v0.16.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling winit v0.15.1
[INFO] [stderr]    Compiling pxl v0.0.9 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/speaker.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |   synthesizer: Arc<Mutex<Synthesizer>>,
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn Synthesizer`
[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/runtime/speaker.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn new(synthesizer: Arc<Mutex<Synthesizer>>) -> Result<Speaker, Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Synthesizer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/mod.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |   program: Box<Program>,
[INFO] [stderr]    |                ^^^^^^^ help: use `dyn`: `dyn Program`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/mod.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |   pub fn new(program: Box<Program>) -> Result<Runtime, Error> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Program`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:233:45
[INFO] [stderr]     |
[INFO] [stderr] 233 |   fn synthesizer(&self) -> Option<Arc<Mutex<Synthesizer>>> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^ help: use `dyn`: `dyn Synthesizer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "7e63c9e6828688a28edcb20a63e220f227b93a2d8af28e41b593ff7b4b86258a"`
[INFO] running `"docker" "rm" "-f" "7e63c9e6828688a28edcb20a63e220f227b93a2d8af28e41b593ff7b4b86258a"`
[INFO] [stdout] 7e63c9e6828688a28edcb20a63e220f227b93a2d8af28e41b593ff7b4b86258a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/pxl/0.0.9:/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] 50e197dba9dc02a477f631b24f89915b6fb3c6bf86938374e4766b6a7e051e6a
[INFO] running `"docker" "start" "-a" "50e197dba9dc02a477f631b24f89915b6fb3c6bf86938374e4766b6a7e051e6a"`
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling pxl v0.0.9 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/life.rs:177:45
[INFO] [stderr]     |
[INFO] [stderr] 177 |   fn synthesizer(&self) -> Option<Arc<Mutex<Synthesizer>>> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^ help: use `dyn`: `dyn Synthesizer`
[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/runtime/speaker.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |   synthesizer: Arc<Mutex<Synthesizer>>,
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn Synthesizer`
[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/runtime/speaker.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 |   pub fn new(synthesizer: Arc<Mutex<Synthesizer>>) -> Result<Speaker, Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Synthesizer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/mod.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |   program: Box<Program>,
[INFO] [stderr]    |                ^^^^^^^ help: use `dyn`: `dyn Program`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime/mod.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |   pub fn new(program: Box<Program>) -> Result<Runtime, Error> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Program`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:233:45
[INFO] [stderr]     |
[INFO] [stderr] 233 |   fn synthesizer(&self) -> Option<Arc<Mutex<Synthesizer>>> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^ help: use `dyn`: `dyn Synthesizer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `"docker" "inspect" "50e197dba9dc02a477f631b24f89915b6fb3c6bf86938374e4766b6a7e051e6a"`
[INFO] running `"docker" "rm" "-f" "50e197dba9dc02a477f631b24f89915b6fb3c6bf86938374e4766b6a7e051e6a"`
[INFO] [stdout] 50e197dba9dc02a477f631b24f89915b6fb3c6bf86938374e4766b6a7e051e6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/pxl/0.0.9:/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] f4404c7bfc8eb891cc14edee79c72db30b7ec13d1f8a0c4f338144f16aa1ce4d
[INFO] running `"docker" "start" "-a" "f4404c7bfc8eb891cc14edee79c72db30b7ec13d1f8a0c4f338144f16aa1ce4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pxl-86e1daa7cd16983f
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests pxl
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 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 - run (line 245) ... 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" "f4404c7bfc8eb891cc14edee79c72db30b7ec13d1f8a0c4f338144f16aa1ce4d"`
[INFO] running `"docker" "rm" "-f" "f4404c7bfc8eb891cc14edee79c72db30b7ec13d1f8a0c4f338144f16aa1ce4d"`
[INFO] [stdout] f4404c7bfc8eb891cc14edee79c72db30b7ec13d1f8a0c4f338144f16aa1ce4d