[INFO] cloning repository https://github.com/a-jonak/rust-project [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-jonak/rust-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-jonak%2Frust-project", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-jonak%2Frust-project'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b2636e850dd4b48f8cac070f85a533febc3b586 [INFO] testing a-jonak/rust-project against 1.75.0 for beta-1.76-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-jonak%2Frust-project" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/a-jonak/rust-project on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/a-jonak/rust-project [INFO] finished tweaking git repo https://github.com/a-jonak/rust-project [INFO] tweaked toml for git repo https://github.com/a-jonak/rust-project written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/a-jonak/rust-project 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded crossbeam-utils v0.7.0 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded crossbeam-deque v0.7.2 [INFO] [stderr] Downloaded raster v0.2.0 [INFO] [stderr] Downloaded hermit-abi v0.1.6 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.0 [INFO] [stderr] Downloaded cc v1.0.50 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e9c7f35652adb26c7d634c297322a90210b982582d74387be1b91f3d3c941c0b [INFO] running `Command { std: "docker" "start" "-a" "e9c7f35652adb26c7d634c297322a90210b982582d74387be1b91f3d3c941c0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9c7f35652adb26c7d634c297322a90210b982582d74387be1b91f3d3c941c0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9c7f35652adb26c7d634c297322a90210b982582d74387be1b91f3d3c941c0b", kill_on_drop: false }` [INFO] [stdout] e9c7f35652adb26c7d634c297322a90210b982582d74387be1b91f3d3c941c0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9aab95714d4c6ac7547add5a5964fe2d9b6dbeadb749df375ad721210ea595dc [INFO] running `Command { std: "docker" "start" "-a" "9aab95714d4c6ac7547add5a5964fe2d9b6dbeadb749df375ad721210ea595dc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling byteorder v0.5.3 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling inflate v0.1.1 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling png v0.5.2 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling image v0.10.4 [INFO] [stderr] Compiling raster v0.2.0 [INFO] [stderr] Compiling image-processing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | / Command::new("display") [INFO] [stdout] 87 | | .arg(arguments[2].clone()) [INFO] [stdout] 88 | | .spawn(); [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] 86 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | raster::save(&processed, &arguments[3].clone()); [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] 99 | let _ = raster::save(&processed, &arguments[3].clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | / Command::new("display") [INFO] [stdout] 101 | | .arg(arguments[3].clone()) [INFO] [stdout] 102 | | .spawn(); [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] 100 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | / Command::new("display") [INFO] [stdout] 107 | | .arg(arguments[3].clone()) [INFO] [stdout] 108 | | .spawn(); [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] 106 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | raster::save(&processed, &arguments[4].clone()); [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] 116 | let _ = raster::save(&processed, &arguments[4].clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | / Command::new("display") [INFO] [stdout] 118 | | .arg(arguments[4].clone()) [INFO] [stdout] 119 | | .spawn(); [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] 117 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.14s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "9aab95714d4c6ac7547add5a5964fe2d9b6dbeadb749df375ad721210ea595dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aab95714d4c6ac7547add5a5964fe2d9b6dbeadb749df375ad721210ea595dc", kill_on_drop: false }` [INFO] [stdout] 9aab95714d4c6ac7547add5a5964fe2d9b6dbeadb749df375ad721210ea595dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a131797b22f30565126276397a5750dd86c4e64dd997194326c853af889dbf8d [INFO] running `Command { std: "docker" "start" "-a" "a131797b22f30565126276397a5750dd86c4e64dd997194326c853af889dbf8d", kill_on_drop: false }` [INFO] [stderr] Compiling image-processing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 86 | / Command::new("display") [INFO] [stdout] 87 | | .arg(arguments[2].clone()) [INFO] [stdout] 88 | | .spawn(); [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] 86 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | raster::save(&processed, &arguments[3].clone()); [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] 99 | let _ = raster::save(&processed, &arguments[3].clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | / Command::new("display") [INFO] [stdout] 101 | | .arg(arguments[3].clone()) [INFO] [stdout] 102 | | .spawn(); [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] 100 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | / Command::new("display") [INFO] [stdout] 107 | | .arg(arguments[3].clone()) [INFO] [stdout] 108 | | .spawn(); [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] 106 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | raster::save(&processed, &arguments[4].clone()); [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] 116 | let _ = raster::save(&processed, &arguments[4].clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interface.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | / Command::new("display") [INFO] [stdout] 118 | | .arg(arguments[4].clone()) [INFO] [stdout] 119 | | .spawn(); [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] 117 | let _ = Command::new("display") [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.66s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a131797b22f30565126276397a5750dd86c4e64dd997194326c853af889dbf8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a131797b22f30565126276397a5750dd86c4e64dd997194326c853af889dbf8d", kill_on_drop: false }` [INFO] [stdout] a131797b22f30565126276397a5750dd86c4e64dd997194326c853af889dbf8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3a93de53acb43b2c86653cd623986867c9303e7a6ba93e66fd85005628f50abd [INFO] running `Command { std: "docker" "start" "-a" "3a93de53acb43b2c86653cd623986867c9303e7a6ba93e66fd85005628f50abd", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interface.rs:86:17 [INFO] [stderr] | [INFO] [stderr] 86 | / Command::new("display") [INFO] [stderr] 87 | | .arg(arguments[2].clone()) [INFO] [stderr] 88 | | .spawn(); [INFO] [stderr] | |________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 86 | let _ = Command::new("display") [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interface.rs:99:17 [INFO] [stderr] | [INFO] [stderr] 99 | raster::save(&processed, &arguments[3].clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 99 | let _ = raster::save(&processed, &arguments[3].clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interface.rs:100:17 [INFO] [stderr] | [INFO] [stderr] 100 | / Command::new("display") [INFO] [stderr] 101 | | .arg(arguments[3].clone()) [INFO] [stderr] 102 | | .spawn(); [INFO] [stderr] | |________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 100 | let _ = Command::new("display") [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interface.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | / Command::new("display") [INFO] [stderr] 107 | | .arg(arguments[3].clone()) [INFO] [stderr] 108 | | .spawn(); [INFO] [stderr] | |________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 106 | let _ = Command::new("display") [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interface.rs:116:17 [INFO] [stderr] | [INFO] [stderr] 116 | raster::save(&processed, &arguments[4].clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 116 | let _ = raster::save(&processed, &arguments[4].clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/interface.rs:117:17 [INFO] [stderr] | [INFO] [stderr] 117 | / Command::new("display") [INFO] [stderr] 118 | | .arg(arguments[4].clone()) [INFO] [stderr] 119 | | .spawn(); [INFO] [stderr] | |________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 117 | let _ = Command::new("display") [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `image-processing` (bin "image-processing" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/methods.rs (/opt/rustwide/target/debug/deps/methods-e79f6e4f7b2fa000) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/image_processing-76dbabe787c72f53) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests methods [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3a93de53acb43b2c86653cd623986867c9303e7a6ba93e66fd85005628f50abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a93de53acb43b2c86653cd623986867c9303e7a6ba93e66fd85005628f50abd", kill_on_drop: false }` [INFO] [stdout] 3a93de53acb43b2c86653cd623986867c9303e7a6ba93e66fd85005628f50abd