[INFO] cloning repository https://github.com/c2d7fa/squaretillery [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c2d7fa/squaretillery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2d7fa%2Fsquaretillery", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2d7fa%2Fsquaretillery'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7fa34090d4a0724934de6197122cf83fcb2af036 [INFO] checking c2d7fa/squaretillery against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2d7fa%2Fsquaretillery" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/c2d7fa/squaretillery on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/c2d7fa/squaretillery [INFO] finished tweaking git repo https://github.com/c2d7fa/squaretillery [INFO] tweaked toml for git repo https://github.com/c2d7fa/squaretillery written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/c2d7fa/squaretillery 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c31b01d3ded8376174b0fed9c6cc38ab6a800ec54a3389cbe6724606e274d26 [INFO] running `Command { std: "docker" "start" "-a" "3c31b01d3ded8376174b0fed9c6cc38ab6a800ec54a3389cbe6724606e274d26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c31b01d3ded8376174b0fed9c6cc38ab6a800ec54a3389cbe6724606e274d26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c31b01d3ded8376174b0fed9c6cc38ab6a800ec54a3389cbe6724606e274d26", kill_on_drop: false }` [INFO] [stdout] 3c31b01d3ded8376174b0fed9c6cc38ab6a800ec54a3389cbe6724606e274d26 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf104fc09c882467fa10d39c78bf5a1e6a1c0fef2356c7a65f50457ea5a41347 [INFO] running `Command { std: "docker" "start" "-a" "cf104fc09c882467fa10d39c78bf5a1e6a1c0fef2356c7a65f50457ea5a41347", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking squaretillery v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/game.rs:301:50 [INFO] [stdout] | [INFO] [stdout] 301 | enum SuitSimilarity { None, Color, Suit }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/game.rs:301:50 [INFO] [stdout] | [INFO] [stdout] 301 | enum SuitSimilarity { None, Color, Suit }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/game.rs:218:56 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::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/game.rs:220:54 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::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/game.rs:218:56 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::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/game.rs:220:54 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[Pile; 5]; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [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 `[Pile; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:220:44 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [INFO] [stdout] = note: raw pointers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[Pile; 5]; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [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 `[Pile; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:220:44 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [INFO] [stdout] = note: raw pointers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s [INFO] running `Command { std: "docker" "inspect" "cf104fc09c882467fa10d39c78bf5a1e6a1c0fef2356c7a65f50457ea5a41347", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf104fc09c882467fa10d39c78bf5a1e6a1c0fef2356c7a65f50457ea5a41347", kill_on_drop: false }` [INFO] [stdout] cf104fc09c882467fa10d39c78bf5a1e6a1c0fef2356c7a65f50457ea5a41347 [INFO] checking c2d7fa/squaretillery against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2d7fa%2Fsquaretillery" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/c2d7fa/squaretillery on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/c2d7fa/squaretillery [INFO] finished tweaking git repo https://github.com/c2d7fa/squaretillery [INFO] tweaked toml for git repo https://github.com/c2d7fa/squaretillery written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/c2d7fa/squaretillery 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3309acd3504def96309c5b4399773677e16a04e6f6c5277a295ced18e43df8da [INFO] running `Command { std: "docker" "start" "-a" "3309acd3504def96309c5b4399773677e16a04e6f6c5277a295ced18e43df8da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3309acd3504def96309c5b4399773677e16a04e6f6c5277a295ced18e43df8da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3309acd3504def96309c5b4399773677e16a04e6f6c5277a295ced18e43df8da", kill_on_drop: false }` [INFO] [stdout] 3309acd3504def96309c5b4399773677e16a04e6f6c5277a295ced18e43df8da [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 690cb7833e34cdae79e6e985972e61a420505d6486bc5b966a78d01ac109b2a8 [INFO] running `Command { std: "docker" "start" "-a" "690cb7833e34cdae79e6e985972e61a420505d6486bc5b966a78d01ac109b2a8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking squaretillery v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/game.rs:301:50 [INFO] [stdout] | [INFO] [stdout] 301 | enum SuitSimilarity { None, Color, Suit }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/game.rs:218:56 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::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/game.rs:220:54 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/game.rs:301:50 [INFO] [stdout] | [INFO] [stdout] 301 | enum SuitSimilarity { None, Color, Suit }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/game.rs:218:56 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::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/game.rs:220:54 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[Pile; 5]; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [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 `[Pile; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:220:44 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [INFO] [stdout] = note: raw pointers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[Pile; 5]; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:218:46 [INFO] [stdout] | [INFO] [stdout] 218 | let mut result: [[Pile; 5]; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [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 `[Pile; 5]` does not permit being left uninitialized [INFO] [stdout] --> src/game.rs:220:44 [INFO] [stdout] | [INFO] [stdout] 220 | let mut value: [Pile; 5] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: `alloc::raw_vec::RawVec` must be initialized inside its custom valid range (in this struct field) [INFO] [stdout] --> src/game.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | cards: Vec, // NOTE: The top of the pile is at the back. [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `std::ptr::Unique` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull` must be non-null [INFO] [stdout] = note: raw pointers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s [INFO] running `Command { std: "docker" "inspect" "690cb7833e34cdae79e6e985972e61a420505d6486bc5b966a78d01ac109b2a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "690cb7833e34cdae79e6e985972e61a420505d6486bc5b966a78d01ac109b2a8", kill_on_drop: false }` [INFO] [stdout] 690cb7833e34cdae79e6e985972e61a420505d6486bc5b966a78d01ac109b2a8