[INFO] cloning repository https://github.com/kawaemon/standing-wave-renderer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kawaemon/standing-wave-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fstanding-wave-renderer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fstanding-wave-renderer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f639003252eef11777ed8561b653621afeccc8b2 [INFO] checking kawaemon/standing-wave-renderer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fstanding-wave-renderer" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kawaemon/standing-wave-renderer 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/kawaemon/standing-wave-renderer [INFO] finished tweaking git repo https://github.com/kawaemon/standing-wave-renderer [INFO] tweaked toml for git repo https://github.com/kawaemon/standing-wave-renderer written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kawaemon/standing-wave-renderer 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d7eec70947effa086d73a2b6fab694fc864ffb2e8c25f1aabe4e755f6c29a1ec [INFO] running `Command { std: "docker" "start" "-a" "d7eec70947effa086d73a2b6fab694fc864ffb2e8c25f1aabe4e755f6c29a1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7eec70947effa086d73a2b6fab694fc864ffb2e8c25f1aabe4e755f6c29a1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7eec70947effa086d73a2b6fab694fc864ffb2e8c25f1aabe4e755f6c29a1ec", kill_on_drop: false }` [INFO] [stdout] d7eec70947effa086d73a2b6fab694fc864ffb2e8c25f1aabe4e755f6c29a1ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 739849aaed644d339c9724439bf6fad809cdd0a416041b1fb3da302e75bfb73d [INFO] running `Command { std: "docker" "start" "-a" "739849aaed644d339c9724439bf6fad809cdd0a416041b1fb3da302e75bfb73d", kill_on_drop: false }` [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling sdl2 v0.34.3 [INFO] [stderr] Compiling sdl2-sys v0.34.3 [INFO] [stderr] Checking standing_wave_generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | / canvas.draw_line( [INFO] [stdout] 66 | | Point::new((x - 1) as _, before_y as _), [INFO] [stdout] 67 | | Point::new(x as _, y as _), [INFO] [stdout] 68 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = canvas.draw_line( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | / canvas.draw_line( [INFO] [stdout] 89 | | Point::new((x - 1) as _, before_y as _), [INFO] [stdout] 90 | | Point::new(x as _, y as _), [INFO] [stdout] 91 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 88 | let _ = canvas.draw_line( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | / canvas.draw_line( [INFO] [stdout] 110 | | Point::new((x - 1) as _, by1 as _), [INFO] [stdout] 111 | | Point::new(x as _, y as _), [INFO] [stdout] 112 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = canvas.draw_line( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | / canvas.draw_line( [INFO] [stdout] 66 | | Point::new((x - 1) as _, before_y as _), [INFO] [stdout] 67 | | Point::new(x as _, y as _), [INFO] [stdout] 68 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = canvas.draw_line( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | / canvas.draw_line( [INFO] [stdout] 89 | | Point::new((x - 1) as _, before_y as _), [INFO] [stdout] 90 | | Point::new(x as _, y as _), [INFO] [stdout] 91 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 88 | let _ = canvas.draw_line( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | / canvas.draw_line( [INFO] [stdout] 110 | | Point::new((x - 1) as _, by1 as _), [INFO] [stdout] 111 | | Point::new(x as _, y as _), [INFO] [stdout] 112 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = canvas.draw_line( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s [INFO] running `Command { std: "docker" "inspect" "739849aaed644d339c9724439bf6fad809cdd0a416041b1fb3da302e75bfb73d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "739849aaed644d339c9724439bf6fad809cdd0a416041b1fb3da302e75bfb73d", kill_on_drop: false }` [INFO] [stdout] 739849aaed644d339c9724439bf6fad809cdd0a416041b1fb3da302e75bfb73d