[INFO] cloning repository https://github.com/lxndio/dpn233-imgconv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lxndio/dpn233-imgconv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxndio%2Fdpn233-imgconv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxndio%2Fdpn233-imgconv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 932b487b5e5a1a061fcd8555876b3658f1407f55 [INFO] checking lxndio/dpn233-imgconv against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxndio%2Fdpn233-imgconv" "/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/lxndio/dpn233-imgconv on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lxndio/dpn233-imgconv [INFO] finished tweaking git repo https://github.com/lxndio/dpn233-imgconv [INFO] tweaked toml for git repo https://github.com/lxndio/dpn233-imgconv written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lxndio/dpn233-imgconv 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termios v0.2.2 [INFO] [stderr] Downloaded serial-unix v0.4.0 [INFO] [stderr] Downloaded ioctl-rs v0.1.6 [INFO] [stderr] Downloaded syn v0.15.30 [INFO] [stderr] Downloaded serial-core v0.4.0 [INFO] [stderr] Downloaded serial v0.4.0 [INFO] [stderr] Downloaded serial-windows v0.4.0 [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3ec32bb3513f3c2a264c4a1ccb9a9f5667994cf364e9ff7b9ef7c151bb457623 [INFO] running `Command { std: "docker" "start" "-a" "3ec32bb3513f3c2a264c4a1ccb9a9f5667994cf364e9ff7b9ef7c151bb457623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3ec32bb3513f3c2a264c4a1ccb9a9f5667994cf364e9ff7b9ef7c151bb457623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ec32bb3513f3c2a264c4a1ccb9a9f5667994cf364e9ff7b9ef7c151bb457623", kill_on_drop: false }` [INFO] [stdout] 3ec32bb3513f3c2a264c4a1ccb9a9f5667994cf364e9ff7b9ef7c151bb457623 [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 766b083a9e71eadae6ce160e5b553d9ba150659bc0ae163a3473a5af85ba1ca1 [INFO] running `Command { std: "docker" "start" "-a" "766b083a9e71eadae6ce160e5b553d9ba150659bc0ae163a3473a5af85ba1ca1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking serial v0.4.0 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking png v0.14.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking dpn233-imgconv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `image::Pixels` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use image::Pixels; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::Luma` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use image::Luma; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::ImageBuffer` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use image::ImageBuffer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::Pixels` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use image::Pixels; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::Luma` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use image::Luma; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `image::ImageBuffer` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use image::ImageBuffer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | / port.reconfigure(&|settings| { [INFO] [stdout] 73 | | settings.set_baud_rate(serial::Baud9600)?; [INFO] [stdout] 74 | | settings.set_char_size(serial::Bits8); [INFO] [stdout] 75 | | settings.set_parity(serial::ParityNone); [INFO] [stdout] ... | [INFO] [stdout] 78 | | Ok(()) [INFO] [stdout] 79 | | }); [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] 72 | let _ = port.reconfigure(&|settings| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | / port.reconfigure(&|settings| { [INFO] [stdout] 73 | | settings.set_baud_rate(serial::Baud9600)?; [INFO] [stdout] 74 | | settings.set_char_size(serial::Bits8); [INFO] [stdout] 75 | | settings.set_parity(serial::ParityNone); [INFO] [stdout] ... | [INFO] [stdout] 78 | | Ok(()) [INFO] [stdout] 79 | | }); [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] 72 | let _ = port.reconfigure(&|settings| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | port.write(&[27, 64]); // Reset the printer [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] 81 | let _ = port.write(&[27, 64]); // Reset the printer [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | port.write(&[27, 64]); // Reset the printer [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] 81 | let _ = port.write(&[27, 64]); // Reset the printer [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | port.write(data); [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] 83 | let _ = port.write(data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | port.write(data); [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] 83 | let _ = port.write(data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s [INFO] running `Command { std: "docker" "inspect" "766b083a9e71eadae6ce160e5b553d9ba150659bc0ae163a3473a5af85ba1ca1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "766b083a9e71eadae6ce160e5b553d9ba150659bc0ae163a3473a5af85ba1ca1", kill_on_drop: false }` [INFO] [stdout] 766b083a9e71eadae6ce160e5b553d9ba150659bc0ae163a3473a5af85ba1ca1