[INFO] cloning repository https://github.com/mmmpa/rust_lifegame [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmmpa/rust_lifegame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_lifegame", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_lifegame'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f2f6db58f7463ab520fe75bf09dedef1b2a8413 [INFO] checking mmmpa/rust_lifegame against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_lifegame" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmmpa/rust_lifegame 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/mmmpa/rust_lifegame [INFO] finished tweaking git repo https://github.com/mmmpa/rust_lifegame [INFO] tweaked toml for git repo https://github.com/mmmpa/rust_lifegame written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mmmpa/rust_lifegame 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded color_quant v1.0.1 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded gif v0.10.1 [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded lazy_static v1.3.0 [INFO] [stderr] Downloaded num_cpus v1.10.0 [INFO] [stderr] Downloaded memchr v2.2.0 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded libc v0.2.50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9e448a31b5bf892be9574af2ad81ff58e2222dd0966fc31bbafb419c377f56d3 [INFO] running `Command { std: "docker" "start" "-a" "9e448a31b5bf892be9574af2ad81ff58e2222dd0966fc31bbafb419c377f56d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e448a31b5bf892be9574af2ad81ff58e2222dd0966fc31bbafb419c377f56d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e448a31b5bf892be9574af2ad81ff58e2222dd0966fc31bbafb419c377f56d3", kill_on_drop: false }` [INFO] [stdout] 9e448a31b5bf892be9574af2ad81ff58e2222dd0966fc31bbafb419c377f56d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e329a9fec97b47d2e34ae120c0ae45cc607000c8b1e3a09d4e29144da943a8f3 [INFO] running `Command { std: "docker" "start" "-a" "e329a9fec97b47d2e34ae120c0ae45cc607000c8b1e3a09d4e29144da943a8f3", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking lifegame v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:35:55 [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:70:62 [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:35:55 [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:20:92 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:70:62 [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:20:92 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct World { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | width: usize, [INFO] [stdout] 4 | height: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `World` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct World { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | width: usize, [INFO] [stdout] 4 | height: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `World` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:84:61 [INFO] [stdout] | [INFO] [stdout] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:84:61 [INFO] [stdout] | [INFO] [stdout] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [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 [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:35:55 [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:70:62 [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:20:92 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:35:55 [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:70:62 [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:20:92 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [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 [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct World { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | width: usize, [INFO] [stdout] 4 | height: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `World` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `work` is never used [INFO] [stdout] --> src/benchmark.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn work() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct World { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 3 | width: usize, [INFO] [stdout] 4 | height: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `World` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "e329a9fec97b47d2e34ae120c0ae45cc607000c8b1e3a09d4e29144da943a8f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e329a9fec97b47d2e34ae120c0ae45cc607000c8b1e3a09d4e29144da943a8f3", kill_on_drop: false }` [INFO] [stdout] e329a9fec97b47d2e34ae120c0ae45cc607000c8b1e3a09d4e29144da943a8f3