[INFO] fetching crate aflak_imgui 0.18.1...
[INFO] checking aflak_imgui-0.18.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate aflak_imgui 0.18.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate aflak_imgui 0.18.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aflak_imgui 0.18.1
[INFO] finished tweaking crates.io crate aflak_imgui 0.18.1
[INFO] tweaked toml for crates.io crate aflak_imgui 0.18.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aflak_imgui-sys v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d893ee19407132967698fd6c9bd57a94e30829d8b55655c5b8f8b681f735e5fa
[INFO] running `Command { std: "docker" "start" "-a" "d893ee19407132967698fd6c9bd57a94e30829d8b55655c5b8f8b681f735e5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d893ee19407132967698fd6c9bd57a94e30829d8b55655c5b8f8b681f735e5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d893ee19407132967698fd6c9bd57a94e30829d8b55655c5b8f8b681f735e5fa", kill_on_drop: false }`
[INFO] [stdout] d893ee19407132967698fd6c9bd57a94e30829d8b55655c5b8f8b681f735e5fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce3e9899d669d3bdc5831912d06688982cf2b37e0dda24c3bd8d8594c82c1306
[INFO] running `Command { std: "docker" "start" "-a" "ce3e9899d669d3bdc5831912d06688982cf2b37e0dda24c3bd8d8594c82c1306", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling aflak_imgui-sys v0.18.1
[INFO] [stderr]     Checking aflak_imgui v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 try!(f(&self, draw_list));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 try!(f(&self, draw_list));
[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/fonts.rs:163:35
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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/fonts.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:36:30
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct AnyTexture(Rc<Box<ImTexture>>);
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 36 | pub struct AnyTexture(Rc<Box<dyn ImTexture>>);
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<ImTexture>;
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<dyn ImTexture>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fonts.rs:163:35
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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/fonts.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:36:30
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct AnyTexture(Rc<Box<ImTexture>>);
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 36 | pub struct AnyTexture(Rc<Box<dyn ImTexture>>);
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<ImTexture>;
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<dyn ImTexture>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `sys::ImFontConfig` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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: raw pointers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `ImVec2` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:231:43
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = 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: floats must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `sys::ImFontConfig` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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: raw pointers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `ImVec2` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:231:43
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = 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: floats 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 5.27s
[INFO] running `Command { std: "docker" "inspect" "ce3e9899d669d3bdc5831912d06688982cf2b37e0dda24c3bd8d8594c82c1306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3e9899d669d3bdc5831912d06688982cf2b37e0dda24c3bd8d8594c82c1306", kill_on_drop: false }`
[INFO] [stdout] ce3e9899d669d3bdc5831912d06688982cf2b37e0dda24c3bd8d8594c82c1306
[INFO] checking aflak_imgui-0.18.1 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate aflak_imgui 0.18.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate aflak_imgui 0.18.1 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aflak_imgui 0.18.1
[INFO] finished tweaking crates.io crate aflak_imgui 0.18.1
[INFO] tweaked toml for crates.io crate aflak_imgui 0.18.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26374faea7d812b53f604371e2c5c6d61573340927335add673ece1ac255d0c3
[INFO] running `Command { std: "docker" "start" "-a" "26374faea7d812b53f604371e2c5c6d61573340927335add673ece1ac255d0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26374faea7d812b53f604371e2c5c6d61573340927335add673ece1ac255d0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26374faea7d812b53f604371e2c5c6d61573340927335add673ece1ac255d0c3", kill_on_drop: false }`
[INFO] [stdout] 26374faea7d812b53f604371e2c5c6d61573340927335add673ece1ac255d0c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3b7293fd9146868232d5a6438bfb6bcd5d02d02b243c7a0773810ebee496b5
[INFO] running `Command { std: "docker" "start" "-a" "ee3b7293fd9146868232d5a6438bfb6bcd5d02d02b243c7a0773810ebee496b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling aflak_imgui-sys v0.18.1
[INFO] [stderr]     Checking aflak_imgui v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 try!(f(&self, draw_list));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 try!(f(&self, draw_list));
[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/fonts.rs:163:35
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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/fonts.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:36:30
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct AnyTexture(Rc<Box<ImTexture>>);
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 36 | pub struct AnyTexture(Rc<Box<dyn ImTexture>>);
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<ImTexture>;
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<dyn ImTexture>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fonts.rs:163:35
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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/fonts.rs:231:48
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:36:30
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct AnyTexture(Rc<Box<ImTexture>>);
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] 36 | pub struct AnyTexture(Rc<Box<dyn ImTexture>>);
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/texture.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<ImTexture>;
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Target = Box<dyn ImTexture>;
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `sys::ImFontConfig` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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: raw pointers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `ImVec2` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:231:43
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = 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: floats must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `sys::ImFontConfig` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:163:30
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let mut config = 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: raw pointers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `ImVec2` does not permit being left uninitialized
[INFO] [stdout]    --> src/fonts.rs:231:43
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut display_offset = 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: floats 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 5.02s
[INFO] running `Command { std: "docker" "inspect" "ee3b7293fd9146868232d5a6438bfb6bcd5d02d02b243c7a0773810ebee496b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3b7293fd9146868232d5a6438bfb6bcd5d02d02b243c7a0773810ebee496b5", kill_on_drop: false }`
[INFO] [stdout] ee3b7293fd9146868232d5a6438bfb6bcd5d02d02b243c7a0773810ebee496b5
