[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] checking a-jonak/rust-project against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-jonak%2Frust-project" "/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/a-jonak/rust-project on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "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-7-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-epoch v0.8.0 [INFO] [stderr] Downloaded num-iter v0.1.40 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded rayon-core v1.7.0 [INFO] [stderr] Downloaded crossbeam-utils v0.7.0 [INFO] [stderr] Downloaded rayon v1.3.0 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] [stderr] Downloaded jpeg-decoder v0.1.18 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.2 [INFO] [stderr] Downloaded hermit-abi v0.1.6 [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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b296778d1c63cc581c06c8816ccf76c3136f3db60626c2cc90999e3e1522081 [INFO] running `Command { std: "docker" "start" "-a" "9b296778d1c63cc581c06c8816ccf76c3136f3db60626c2cc90999e3e1522081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b296778d1c63cc581c06c8816ccf76c3136f3db60626c2cc90999e3e1522081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b296778d1c63cc581c06c8816ccf76c3136f3db60626c2cc90999e3e1522081", kill_on_drop: false }` [INFO] [stdout] 9b296778d1c63cc581c06c8816ccf76c3136f3db60626c2cc90999e3e1522081 [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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef206574b2986e4db8d97a89c42e78be3a7b8d530f88b9cff29d0e0f313ff472 [INFO] running `Command { std: "docker" "start" "-a" "ef206574b2986e4db8d97a89c42e78be3a7b8d530f88b9cff29d0e0f313ff472", 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] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [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] Checking inflate v0.1.1 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking png v0.5.2 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking image v0.10.4 [INFO] [stderr] Checking raster v0.2.0 [INFO] [stderr] Checking 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: 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] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.50s [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" "ef206574b2986e4db8d97a89c42e78be3a7b8d530f88b9cff29d0e0f313ff472", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef206574b2986e4db8d97a89c42e78be3a7b8d530f88b9cff29d0e0f313ff472", kill_on_drop: false }` [INFO] [stdout] ef206574b2986e4db8d97a89c42e78be3a7b8d530f88b9cff29d0e0f313ff472