[INFO] cloning repository https://github.com/mat-kmita/rust-manelbrot-set [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mat-kmita/rust-manelbrot-set" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmat-kmita%2Frust-manelbrot-set", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmat-kmita%2Frust-manelbrot-set'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0257363f9c950ee07532d98c5b8ad33101d5b81d [INFO] checking mat-kmita/rust-manelbrot-set against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmat-kmita%2Frust-manelbrot-set" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mat-kmita/rust-manelbrot-set on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mat-kmita/rust-manelbrot-set [INFO] finished tweaking git repo https://github.com/mat-kmita/rust-manelbrot-set [INFO] tweaked toml for git repo https://github.com/mat-kmita/rust-manelbrot-set written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mat-kmita/rust-manelbrot-set 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 548e9d3c367358460554ddd55de99fc9927bd3c8fefc342bcb0903091b5873c4 [INFO] running `Command { std: "docker" "start" "-a" "548e9d3c367358460554ddd55de99fc9927bd3c8fefc342bcb0903091b5873c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "548e9d3c367358460554ddd55de99fc9927bd3c8fefc342bcb0903091b5873c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "548e9d3c367358460554ddd55de99fc9927bd3c8fefc342bcb0903091b5873c4", kill_on_drop: false }` [INFO] [stdout] 548e9d3c367358460554ddd55de99fc9927bd3c8fefc342bcb0903091b5873c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47c576f241fc1834a06d262452342a91c73b6e9c2e52f1a7e387d11bcc978e8e [INFO] running `Command { std: "docker" "start" "-a" "47c576f241fc1834a06d262452342a91c73b6e9c2e52f1a7e387d11bcc978e8e", kill_on_drop: false }` [INFO] [stderr] Checking projekt_01 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | (self.im * self.im + self.re * self.re) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - (self.im * self.im + self.re * self.re) [INFO] [stdout] 16 + self.im * self.im + self.re * self.re [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | (self.im * self.im + self.re * self.re) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - (self.im * self.im + self.re * self.re) [INFO] [stdout] 16 + self.im * self.im + self.re * self.re [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 106 | let _ = std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 106 | let _ = std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "47c576f241fc1834a06d262452342a91c73b6e9c2e52f1a7e387d11bcc978e8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47c576f241fc1834a06d262452342a91c73b6e9c2e52f1a7e387d11bcc978e8e", kill_on_drop: false }` [INFO] [stdout] 47c576f241fc1834a06d262452342a91c73b6e9c2e52f1a7e387d11bcc978e8e [INFO] checking mat-kmita/rust-manelbrot-set against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmat-kmita%2Frust-manelbrot-set" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mat-kmita/rust-manelbrot-set on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mat-kmita/rust-manelbrot-set [INFO] finished tweaking git repo https://github.com/mat-kmita/rust-manelbrot-set [INFO] tweaked toml for git repo https://github.com/mat-kmita/rust-manelbrot-set written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mat-kmita/rust-manelbrot-set 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fa521950e39e1b24aa6cd1d54d5777b8c92b6b544525ccf3862c119a678aa9d [INFO] running `Command { std: "docker" "start" "-a" "3fa521950e39e1b24aa6cd1d54d5777b8c92b6b544525ccf3862c119a678aa9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fa521950e39e1b24aa6cd1d54d5777b8c92b6b544525ccf3862c119a678aa9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fa521950e39e1b24aa6cd1d54d5777b8c92b6b544525ccf3862c119a678aa9d", kill_on_drop: false }` [INFO] [stdout] 3fa521950e39e1b24aa6cd1d54d5777b8c92b6b544525ccf3862c119a678aa9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 902f5d91b8327a2b44325c2d7ea9c1d8c561286e9b7f092b800c6e51542b4602 [INFO] running `Command { std: "docker" "start" "-a" "902f5d91b8327a2b44325c2d7ea9c1d8c561286e9b7f092b800c6e51542b4602", kill_on_drop: false }` [INFO] [stderr] Checking projekt_01 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | (self.im * self.im + self.re * self.re) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - (self.im * self.im + self.re * self.re) [INFO] [stdout] 16 + self.im * self.im + self.re * self.re [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | (self.im * self.im + self.re * self.re) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 16 - (self.im * self.im + self.re * self.re) [INFO] [stdout] 16 + self.im * self.im + self.re * self.re [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 91 | let mut buffered_writer = BufWriter::with_capacity(max, file); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | match buffered_writer.flush() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 91 | let mut buffered_writer = BufWriter::with_capacity(max, file); [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | match buffered_writer.flush() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 106 | let _ = std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 106 | let _ = std::mem::replace(&mut self.pixels[self.width * row + column], color); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `projekt_01` (bin "projekt_01") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `projekt_01` (bin "projekt_01" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "902f5d91b8327a2b44325c2d7ea9c1d8c561286e9b7f092b800c6e51542b4602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "902f5d91b8327a2b44325c2d7ea9c1d8c561286e9b7f092b800c6e51542b4602", kill_on_drop: false }` [INFO] [stdout] 902f5d91b8327a2b44325c2d7ea9c1d8c561286e9b7f092b800c6e51542b4602