[INFO] fetching crate piston2d-graphics_tree 0.24.0...
[INFO] extracting crate piston2d-graphics_tree 0.24.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/piston2d-graphics_tree/0.24.0
[INFO] extracting crate piston2d-graphics_tree 0.24.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/piston2d-graphics_tree/0.24.0
[INFO] validating manifest of piston2d-graphics_tree-0.24.0 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 piston2d-graphics_tree-0.24.0 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/piston2d-graphics_tree/0.24.0/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 piston2d-graphics_tree-0.24.0 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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] cf26a4e66a5e2c7aea7deea06c407607285c1349fe17416905019b3f6750a21a
[INFO] running `"docker" "start" "-a" "cf26a4e66a5e2c7aea7deea06c407607285c1349fe17416905019b3f6750a21a"`
[INFO] [stderr]    Compiling range v1.0.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.2
[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 27.29s
[INFO] running `"docker" "inspect" "cf26a4e66a5e2c7aea7deea06c407607285c1349fe17416905019b3f6750a21a"`
[INFO] running `"docker" "rm" "-f" "cf26a4e66a5e2c7aea7deea06c407607285c1349fe17416905019b3f6750a21a"`
[INFO] [stdout] cf26a4e66a5e2c7aea7deea06c407607285c1349fe17416905019b3f6750a21a
[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/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0093be9fd814b84fa13b85c0ca25dc48742d71300aa1b90ac9e0bd821d3b52f7
[INFO] running `"docker" "start" "-a" "0093be9fd814b84fa13b85c0ca25dc48742d71300aa1b90ac9e0bd821d3b52f7"`
[INFO] [stderr]    Compiling fps_counter v1.0.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling pistoncore-event_loop v0.49.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.63.0
[INFO] [stderr]    Compiling piston v0.49.0
[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 08s
[INFO] running `"docker" "inspect" "0093be9fd814b84fa13b85c0ca25dc48742d71300aa1b90ac9e0bd821d3b52f7"`
[INFO] running `"docker" "rm" "-f" "0093be9fd814b84fa13b85c0ca25dc48742d71300aa1b90ac9e0bd821d3b52f7"`
[INFO] [stdout] 0093be9fd814b84fa13b85c0ca25dc48742d71300aa1b90ac9e0bd821d3b52f7
[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/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f16ec2dd70aa11cd1c1ec687f778b8f9c6a26ebb30ca733ab97df35a48c6c8d2
[INFO] running `"docker" "start" "-a" "f16ec2dd70aa11cd1c1ec687f778b8f9c6a26ebb30ca733ab97df35a48c6c8d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graphics_tree-8395ac7642c3b65a
[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] [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" "f16ec2dd70aa11cd1c1ec687f778b8f9c6a26ebb30ca733ab97df35a48c6c8d2"`
[INFO] running `"docker" "rm" "-f" "f16ec2dd70aa11cd1c1ec687f778b8f9c6a26ebb30ca733ab97df35a48c6c8d2"`
[INFO] [stdout] f16ec2dd70aa11cd1c1ec687f778b8f9c6a26ebb30ca733ab97df35a48c6c8d2