[INFO] fetching crate leafrender 0.1.0...
[INFO] testing leafrender-0.1.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate leafrender 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate leafrender 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leafrender 0.1.0
[INFO] finished tweaking crates.io crate leafrender 0.1.0
[INFO] tweaked toml for crates.io crate leafrender 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling leafrender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/render/glutin/texture.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/render/glutin/vbo.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/render/glutin/drawer.rs:356:32
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/font.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         draw: &mut Drawer<NativeTexture = T>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |         draw: &mut dyn Drawer<NativeTexture = T>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/render/glutin/texture.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        this code causes undefined behavior when executed
[INFO] [stdout]    |                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/render/glutin/vbo.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/render/glutin/drawer.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this code causes undefined behavior when executed
[INFO] [stdout]     |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "46e14fdd02a111a9f23f253f3f6bd5a61889783d929fc6649536c3440bf64f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e14fdd02a111a9f23f253f3f6bd5a61889783d929fc6649536c3440bf64f9f", kill_on_drop: false }`
[INFO] [stdout] 46e14fdd02a111a9f23f253f3f6bd5a61889783d929fc6649536c3440bf64f9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a02c49dc9150aaaf779a21a9b66090b1ae701d3230aa77aca6551e6697e4ff
[INFO] running `Command { std: "docker" "start" "-a" "f7a02c49dc9150aaaf779a21a9b66090b1ae701d3230aa77aca6551e6697e4ff", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/render/glutin/texture.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leafrender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/render/glutin/vbo.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/render/glutin/drawer.rs:356:32
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/font.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         draw: &mut Drawer<NativeTexture = T>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |         draw: &mut dyn Drawer<NativeTexture = T>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/render/glutin/texture.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        this code causes undefined behavior when executed
[INFO] [stdout]    |                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/render/glutin/vbo.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/render/glutin/drawer.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this code causes undefined behavior when executed
[INFO] [stdout]     |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/render/glutin/texture.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/render/glutin/vbo.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/render/glutin/drawer.rs:356:32
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/render/font.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         draw: &mut Drawer<NativeTexture = T>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 |         draw: &mut dyn Drawer<NativeTexture = T>,
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/render/glutin/texture.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        this code causes undefined behavior when executed
[INFO] [stdout]    |                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> src/render/glutin/vbo.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                this code causes undefined behavior when executed
[INFO] [stdout]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]    --> src/render/glutin/drawer.rs:356:27
[INFO] [stdout]     |
[INFO] [stdout] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this code causes undefined behavior when executed
[INFO] [stdout]     |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f7a02c49dc9150aaaf779a21a9b66090b1ae701d3230aa77aca6551e6697e4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a02c49dc9150aaaf779a21a9b66090b1ae701d3230aa77aca6551e6697e4ff", kill_on_drop: false }`
[INFO] [stdout] f7a02c49dc9150aaaf779a21a9b66090b1ae701d3230aa77aca6551e6697e4ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c267d97ccf76082ad889ab67b0ff0008d23c49c374f280e79c1b9929716750ce
[INFO] running `Command { std: "docker" "start" "-a" "c267d97ccf76082ad889ab67b0ff0008d23c49c374f280e79c1b9929716750ce", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/render/glutin/texture.rs:21:45
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/render/glutin/vbo.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/render/glutin/drawer.rs:356:32
[INFO] [stderr]     |
[INFO] [stderr] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stderr]     |                                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/render/font.rs:57:20
[INFO] [stderr]    |
[INFO] [stderr] 57 |         draw: &mut Drawer<NativeTexture = T>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 57 |         draw: &mut dyn Drawer<NativeTexture = T>,
[INFO] [stderr]    |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]   --> src/render/glutin/texture.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut texture_ref = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        this code causes undefined behavior when executed
[INFO] [stderr]    |                                        help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]   --> src/render/glutin/vbo.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut ptr = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                |
[INFO] [stderr]    |                                this code causes undefined behavior when executed
[INFO] [stderr]    |                                help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]    --> src/render/glutin/drawer.rs:356:27
[INFO] [stderr]     |
[INFO] [stderr] 356 |             let mut ptr = mem::uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           this code causes undefined behavior when executed
[INFO] [stderr]     |                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: `leafrender` (lib) generated 7 warnings (run `cargo fix --lib -p leafrender` to apply 1 suggestion)
[INFO] [stderr] warning: `leafrender` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leafrender-1795161823063988)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leafrender
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 65) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 95) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 65) stdout ----
[INFO] [stdout] error: mismatched closing delimiter: `}`
[INFO] [stdout]   --> src/lib.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 2  | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_65_0() {
[INFO] [stdout]    |                                                                         - closing delimiter possibly meant for this
[INFO] [stdout] ...
[INFO] [stdout] 13 | font.draw(
[INFO] [stdout]    |          ^ unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 28 | } _doctest_main_src_lib_rs_65_0() }
[INFO] [stdout]    | ^ mismatched closing delimiter
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error[E0423]: expected value, found crate `leafrender`
[INFO] [stdout]  --> src/lib.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | leafrender = "0.1.0"
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]   |
[INFO] [stdout] 4 | let leafrender = "0.1.0"
[INFO] [stdout]   | +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 95) stdout ----
[INFO] [stdout] error: couldn't read src/img.jpg: No such file or directory (os error 2)
[INFO] [stdout]  --> src/lib.rs:98:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | let image = image::load_from_memory(include_bytes!("img.jpg"))
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `drawer` in this scope
[INFO] [stdout]  --> src/lib.rs:101:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | let image = drawer.convert_image(&image);
[INFO] [stdout]   |             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `drawer` in this scope
[INFO] [stdout]   --> src/lib.rs:107:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | drawer.draw_texture(&image, &Position {
[INFO] [stdout]    | ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Position` in this scope
[INFO] [stdout]   --> src/lib.rs:107:30
[INFO] [stdout]    |
[INFO] [stdout] 14 | drawer.draw_texture(&image, &Position {
[INFO] [stdout]    |                              ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  | use leafrender::pos::Position;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Failed to initialize any backend! Wayland status: XdgRuntimeDirNotSet X11 status: XOpenDisplayFailed', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/winit-0.19.5/src/platform/linux/mod.rs:467:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55eaf47dbe6a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55eaf47dbe6a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55eaf47dbe6a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55eaf47dbe6a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55eaf47fcace - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x55eaf47d9425 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x55eaf47dbc35 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55eaf47dbc35 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55eaf47dd3ef - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x55eaf47dd12b - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x55eaf47dd998 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x55eaf4576248 - std::panicking::begin_panic::{{closure}}::hcf0acbb1dbed19ce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:612:9
[INFO] [stdout]   12:     0x55eaf457493a - std::sys_common::backtrace::__rust_end_short_backtrace::h9e4a17f61aab1cb2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x55eaf4576163 - std::panicking::begin_panic::h14231fc83ca33b08
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:611:12
[INFO] [stdout]   14:     0x55eaf459a535 - winit::platform::platform::EventsLoop::new::hc762cb4e785af991
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/winit-0.19.5/src/platform/linux/mod.rs:467:9
[INFO] [stdout]   15:     0x55eaf456c99b - winit::EventsLoop::new::hd44e35a832ab085b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/winit-0.19.5/src/lib.rs:251:26
[INFO] [stdout]   16:     0x55eaf44f4615 - <leafrender::render::glutin::drawer::GlutinDrawer as leafrender::render::Drawer>::new::h760bb9545c30cc8e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/render/glutin/drawer.rs:319:27
[INFO] [stdout]   17:     0x55eaf44f2724 - rust_out::main::_doctest_main_src_lib_rs_20_0::hbc22cca44825befb
[INFO] [stdout]   18:     0x55eaf44f26e6 - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   19:     0x55eaf44f2393 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   20:     0x55eaf44f2319 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   21:     0x55eaf44f2369 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   22:     0x55eaf47d513c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x55eaf47d513c - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   24:     0x55eaf47d513c - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   25:     0x55eaf47d513c - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x55eaf47d513c - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x55eaf47d513c - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   28:     0x55eaf47d513c - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   29:     0x55eaf47d513c - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x55eaf47d513c - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x55eaf44f2347 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   32:     0x55eaf44f2865 - main
[INFO] [stdout]   33:     0x7fab4e477d90 - <unknown>
[INFO] [stdout]   34:     0x7fab4e477e40 - __libc_start_main
[INFO] [stdout]   35:     0x55eaf44f1e05 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout]     src/lib.rs - (line 65)
[INFO] [stdout]     src/lib.rs - (line 95)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c267d97ccf76082ad889ab67b0ff0008d23c49c374f280e79c1b9929716750ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c267d97ccf76082ad889ab67b0ff0008d23c49c374f280e79c1b9929716750ce", kill_on_drop: false }`
[INFO] [stdout] c267d97ccf76082ad889ab67b0ff0008d23c49c374f280e79c1b9929716750ce
