[INFO] cloning repository https://github.com/nintha/images-to-h264 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nintha/images-to-h264" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnintha%2Fimages-to-h264", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnintha%2Fimages-to-h264'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23ae5f7185bccae3b8ddea26b22bc6af193da666 [INFO] checking nintha/images-to-h264 against master#f00b02e6bbe63707503f058fb87cc3e2b25991ac for pr-125596 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnintha%2Fimages-to-h264" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nintha/images-to-h264 on toolchain f00b02e6bbe63707503f058fb87cc3e2b25991ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nintha/images-to-h264 [INFO] finished tweaking git repo https://github.com/nintha/images-to-h264 [INFO] tweaked toml for git repo https://github.com/nintha/images-to-h264 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nintha/images-to-h264 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f00b02e6bbe63707503f058fb87cc3e2b25991ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking nintha/images-to-h264 against try#c57a122e6bc7d3e243f3b2a000b6916cb51ef149 for pr-125596 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnintha%2Fimages-to-h264" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nintha/images-to-h264 on toolchain c57a122e6bc7d3e243f3b2a000b6916cb51ef149 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nintha/images-to-h264 [INFO] finished tweaking git repo https://github.com/nintha/images-to-h264 [INFO] tweaked toml for git repo https://github.com/nintha/images-to-h264 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nintha/images-to-h264 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking nintha/images-to-h264 against try#c57a122e6bc7d3e243f3b2a000b6916cb51ef149 for pr-125596 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnintha%2Fimages-to-h264" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nintha/images-to-h264 on toolchain c57a122e6bc7d3e243f3b2a000b6916cb51ef149 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nintha/images-to-h264 [INFO] finished tweaking git repo https://github.com/nintha/images-to-h264 [INFO] tweaked toml for git repo https://github.com/nintha/images-to-h264 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nintha/images-to-h264 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded x264-sys v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a11dea763fa2924fc2e26cb01bed16cd2773626ef7d75fd2195f2a54cc334426 [INFO] running `Command { std: "docker" "start" "-a" "a11dea763fa2924fc2e26cb01bed16cd2773626ef7d75fd2195f2a54cc334426", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a11dea763fa2924fc2e26cb01bed16cd2773626ef7d75fd2195f2a54cc334426", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a11dea763fa2924fc2e26cb01bed16cd2773626ef7d75fd2195f2a54cc334426", kill_on_drop: false }` [INFO] [stdout] a11dea763fa2924fc2e26cb01bed16cd2773626ef7d75fd2195f2a54cc334426 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+c57a122e6bc7d3e243f3b2a000b6916cb51ef149" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26a6c7142641de9a242072dceded8e914e52845e47e72150d15fb06bb7cf425b [INFO] running `Command { std: "docker" "start" "-a" "26a6c7142641de9a242072dceded8e914e52845e47e72150d15fb06bb7cf425b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling bindgen v0.51.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling syn v1.0.52 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Checking weezl v0.1.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Compiling x264 v0.3.0 (/opt/rustwide/workdir/crate_x264) [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking tiff v0.6.0 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking image v0.23.12 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling x264-sys v0.2.0 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stdout] warning: unexpected `cfg` condition value: `yuyv` [INFO] [stdout] --> crate_x264/src/colorspace.rs:23:11 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(feature = "yuyv")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `yuyv` as a feature in `Cargo.toml` [INFO] [stdout] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `yuyv` [INFO] [stdout] --> crate_x264/src/colorspace.rs:27:11 [INFO] [stdout] | [INFO] [stdout] 27 | #[cfg(feature = "yuyv")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `yuyv` as a feature in `Cargo.toml` [INFO] [stdout] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `yuyv` [INFO] [stdout] --> crate_x264/src/image.rs:39:23 [INFO] [stdout] | [INFO] [stdout] 39 | #[cfg(feature = "yuyv")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `yuyv` as a feature in `Cargo.toml` [INFO] [stdout] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `x264_sys::x264_param_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/encoder.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | let mut params = MaybeUninit::uninit().assume_init(); [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 `x264_sys::x264_picture_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/encoder.rs:55:27 [INFO] [stdout] | [INFO] [stdout] 55 | let mut picture = MaybeUninit::uninit().assume_init(); [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 `*mut x264_sys::x264_nal_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/encoder.rs:61:25 [INFO] [stdout] | [INFO] [stdout] 61 | let mut stuff = MaybeUninit::uninit().assume_init(); [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] [INFO] [stdout] [INFO] [stdout] warning: the type `x264_sys::x264_picture_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/encoder.rs:62:23 [INFO] [stdout] | [INFO] [stdout] 62 | let mut raw = MaybeUninit::uninit().assume_init(); [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 `*mut x264_sys::x264_nal_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/encoder.rs:84:34 [INFO] [stdout] | [INFO] [stdout] 84 | let mut stuff = unsafe { MaybeUninit::uninit().assume_init() }; [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] [INFO] [stdout] [INFO] [stdout] warning: the type `*mut x264_sys::x264_nal_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/encoder.rs:150:34 [INFO] [stdout] | [INFO] [stdout] 150 | let mut stuff = unsafe { MaybeUninit::uninit().assume_init()}; [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] [INFO] [stdout] [INFO] [stdout] warning: the type `x264_sys::x264_picture_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/encoder.rs:151:32 [INFO] [stdout] | [INFO] [stdout] 151 | let mut raw = unsafe { MaybeUninit::uninit().assume_init() }; [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 `x264_sys::x264_param_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/setup/mod.rs:26:32 [INFO] [stdout] | [INFO] [stdout] 26 | let mut raw = unsafe { MaybeUninit::uninit().assume_init() }; [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 `x264_sys::x264_param_t` does not permit being left uninitialized [INFO] [stdout] --> crate_x264/src/setup/mod.rs:143:27 [INFO] [stdout] | [INFO] [stdout] 143 | let mut raw = MaybeUninit::uninit().assume_init(); [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: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking images-to-h264 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.85s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "26a6c7142641de9a242072dceded8e914e52845e47e72150d15fb06bb7cf425b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26a6c7142641de9a242072dceded8e914e52845e47e72150d15fb06bb7cf425b", kill_on_drop: false }` [INFO] [stdout] 26a6c7142641de9a242072dceded8e914e52845e47e72150d15fb06bb7cf425b