[INFO] crate piston2d-graphics_tree 0.24.0 is already in cache
[INFO] extracting crate piston2d-graphics_tree 0.24.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/piston2d-graphics_tree/0.24.0
[INFO] extracting crate piston2d-graphics_tree 0.24.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/piston2d-graphics_tree/0.24.0
[INFO] validating manifest of piston2d-graphics_tree-0.24.0 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 piston2d-graphics_tree-0.24.0 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 piston2d-graphics_tree-0.24.0
[INFO] finished frobbing piston2d-graphics_tree-0.24.0
[INFO] frobbed toml for piston2d-graphics_tree-0.24.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/piston2d-graphics_tree/0.24.0/Cargo.toml
[INFO] started frobbing piston2d-graphics_tree-0.24.0
[INFO] finished frobbing piston2d-graphics_tree-0.24.0
[INFO] frobbed toml for piston2d-graphics_tree-0.24.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/piston2d-graphics_tree/0.24.0/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 piston2d-graphics_tree-0.24.0 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-3/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/piston2d-graphics_tree/0.24.0:/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] dc723c95577e0cfee11b7077b5379fa98e805ef102c075aa75be92b53925b556
[INFO] running `"docker" "start" "-a" "dc723c95577e0cfee11b7077b5379fa98e805ef102c075aa75be92b53925b556"`
[INFO] [stderr]    Compiling range v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling piston2d-graphics v0.33.0
[INFO] [stderr]    Compiling piston2d-graphics_tree v0.24.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:27
[INFO] [stderr]     |
[INFO] [stderr] 223 |     ) where F: FnMut(&mut FnMut(&[[f32; 2]])) {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[[f32; 2]])`
[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:241:27
[INFO] [stderr]     |
[INFO] [stderr] 241 |     ) where F: FnMut(&mut FnMut(&[[f32; 2]], &[[f32; 2]])) {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[[f32; 2]], &[[f32; 2]])`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `"docker" "inspect" "dc723c95577e0cfee11b7077b5379fa98e805ef102c075aa75be92b53925b556"`
[INFO] running `"docker" "rm" "-f" "dc723c95577e0cfee11b7077b5379fa98e805ef102c075aa75be92b53925b556"`
[INFO] [stdout] dc723c95577e0cfee11b7077b5379fa98e805ef102c075aa75be92b53925b556
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/piston2d-graphics_tree/0.24.0:/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] aa3b727a2688c71fbdf644fa5064425a165db11b04edbf174e0a330e8d3715ad
[INFO] running `"docker" "start" "-a" "aa3b727a2688c71fbdf644fa5064425a165db11b04edbf174e0a330e8d3715ad"`
[INFO] [stderr]    Compiling fps_counter v1.0.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling pistoncore-event_loop v0.49.0
[INFO] [stderr]    Compiling piston v0.49.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.2
[INFO] [stderr]    Compiling glutin v0.21.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.63.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling piston-gfx_texture v0.36.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.62.0
[INFO] [stderr]    Compiling piston_window v0.101.0
[INFO] [stderr]    Compiling piston2d-graphics_tree v0.24.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:27
[INFO] [stderr]     |
[INFO] [stderr] 223 |     ) where F: FnMut(&mut FnMut(&[[f32; 2]])) {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[[f32; 2]])`
[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:241:27
[INFO] [stderr]     |
[INFO] [stderr] 241 |     ) where F: FnMut(&mut FnMut(&[[f32; 2]], &[[f32; 2]])) {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[[f32; 2]], &[[f32; 2]])`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "aa3b727a2688c71fbdf644fa5064425a165db11b04edbf174e0a330e8d3715ad"`
[INFO] running `"docker" "rm" "-f" "aa3b727a2688c71fbdf644fa5064425a165db11b04edbf174e0a330e8d3715ad"`
[INFO] [stdout] aa3b727a2688c71fbdf644fa5064425a165db11b04edbf174e0a330e8d3715ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/piston2d-graphics_tree/0.24.0:/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] 040acbe4fe254f5b52d86e530ff09363be56e07c8fbc5b04b5db5981b9a769c5
[INFO] running `"docker" "start" "-a" "040acbe4fe254f5b52d86e530ff09363be56e07c8fbc5b04b5db5981b9a769c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graphics_tree-24156df7366f7d84
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graphics_tree
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "040acbe4fe254f5b52d86e530ff09363be56e07c8fbc5b04b5db5981b9a769c5"`
[INFO] running `"docker" "rm" "-f" "040acbe4fe254f5b52d86e530ff09363be56e07c8fbc5b04b5db5981b9a769c5"`
[INFO] [stdout] 040acbe4fe254f5b52d86e530ff09363be56e07c8fbc5b04b5db5981b9a769c5