[INFO] cloning repository https://github.com/illemonati/memlyze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/illemonati/memlyze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillemonati%2Fmemlyze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillemonati%2Fmemlyze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28c11c97746479611f46675eb659d52e6fd8cf2e
[INFO] testing illemonati/memlyze against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillemonati%2Fmemlyze" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/illemonati/memlyze
[INFO] finished tweaking git repo https://github.com/illemonati/memlyze
[INFO] tweaked toml for git repo https://github.com/illemonati/memlyze written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/illemonati/memlyze on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/illemonati/memlyze 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f752577723596c73c83d6ed9fb9e37b03c1e01369b94654c0fb12c73ed15ef
[INFO] running `Command { std: "docker" "start" "-a" "28f752577723596c73c83d6ed9fb9e37b03c1e01369b94654c0fb12c73ed15ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f752577723596c73c83d6ed9fb9e37b03c1e01369b94654c0fb12c73ed15ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f752577723596c73c83d6ed9fb9e37b03c1e01369b94654c0fb12c73ed15ef", kill_on_drop: false }`
[INFO] [stdout] 28f752577723596c73c83d6ed9fb9e37b03c1e01369b94654c0fb12c73ed15ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97405a7cf7e5e8ef6c7f977656b5caaaf2998b3ae177195d43bf80b8e463b355
[INFO] running `Command { std: "docker" "start" "-a" "97405a7cf7e5e8ef6c7f977656b5caaaf2998b3ae177195d43bf80b8e463b355", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling memlyze-image v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:25:37
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stdout]    |                                     ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stdout] 25 +             let scale_factor: u32 = biggest_of_the_two / &limit ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:26:56
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stdout]    |                                                  ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout] 26 +             let in_image = imageops::resize(&in_image, &in_image.width() / &scale_factor , (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:26:93
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stdout]    |                                                                                       ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout] 26 +             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), &in_image.height() / &scale_factor , FilterType::Lanczos3);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     &mut memlyzer.process_image();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let _ = &mut memlyzer.process_image();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     &memlyzer.save_image(outpath);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = &memlyzer.save_image(outpath);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.out_image.save(filepath);
[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] 63 |         let _ = self.out_image.save(filepath);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.06s
[INFO] running `Command { std: "docker" "inspect" "97405a7cf7e5e8ef6c7f977656b5caaaf2998b3ae177195d43bf80b8e463b355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97405a7cf7e5e8ef6c7f977656b5caaaf2998b3ae177195d43bf80b8e463b355", kill_on_drop: false }`
[INFO] [stdout] 97405a7cf7e5e8ef6c7f977656b5caaaf2998b3ae177195d43bf80b8e463b355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a358c63c257685f7c9dde1f3d03de43322930e0a6566b64d4308ebbf4e02c6f
[INFO] running `Command { std: "docker" "start" "-a" "8a358c63c257685f7c9dde1f3d03de43322930e0a6566b64d4308ebbf4e02c6f", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:25:37
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stdout]    |                                     ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stdout] 25 +             let scale_factor: u32 = biggest_of_the_two / &limit ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:26:56
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stdout]    |                                                  ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout] 26 +             let in_image = imageops::resize(&in_image, &in_image.width() / &scale_factor , (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:26:93
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stdout]    |                                                                                       ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout] 26 +             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), &in_image.height() / &scale_factor , FilterType::Lanczos3);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     &mut memlyzer.process_image();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let _ = &mut memlyzer.process_image();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     &memlyzer.save_image(outpath);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = &memlyzer.save_image(outpath);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memlyze-image v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.out_image.save(filepath);
[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] 63 |         let _ = self.out_image.save(filepath);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:25:37
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stdout]    |                                     ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stdout] 25 +             let scale_factor: u32 = biggest_of_the_two / &limit ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:26:56
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stdout]    |                                                  ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout] 26 +             let in_image = imageops::resize(&in_image, &in_image.width() / &scale_factor , (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:26:93
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stdout]    |                                                                                       ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stdout] 26 +             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), &in_image.height() / &scale_factor , FilterType::Lanczos3);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     &mut memlyzer.process_image();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let _ = &mut memlyzer.process_image();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     &memlyzer.save_image(outpath);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = &memlyzer.save_image(outpath);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.out_image.save(filepath);
[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] 63 |         let _ = self.out_image.save(filepath);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "8a358c63c257685f7c9dde1f3d03de43322930e0a6566b64d4308ebbf4e02c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a358c63c257685f7c9dde1f3d03de43322930e0a6566b64d4308ebbf4e02c6f", kill_on_drop: false }`
[INFO] [stdout] 8a358c63c257685f7c9dde1f3d03de43322930e0a6566b64d4308ebbf4e02c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cda38c1792a9b51bffeb048b4f24fa4914069c0a9b58d4981764c4fd6d8372a3
[INFO] running `Command { std: "docker" "start" "-a" "cda38c1792a9b51bffeb048b4f24fa4914069c0a9b58d4981764c4fd6d8372a3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stderr]    |                                     ^                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 -             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stderr] 25 +             let scale_factor: u32 = biggest_of_the_two / &limit ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:26:56
[INFO] [stderr]    |
[INFO] [stderr] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stderr]    |                                                  ^                                 ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stderr] 26 +             let in_image = imageops::resize(&in_image, &in_image.width() / &scale_factor , (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:26:93
[INFO] [stderr]    |
[INFO] [stderr] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stderr]    |                                                                                       ^                                  ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stderr] 26 +             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), &in_image.height() / &scale_factor , FilterType::Lanczos3);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]  --> src/lib.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     &mut memlyzer.process_image();
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let _ = &mut memlyzer.process_image();
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     &memlyzer.save_image(outpath);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let _ = &memlyzer.save_image(outpath);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         self.out_image.save(filepath);
[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] 63 |         let _ = self.out_image.save(filepath);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `memlyze-image` (lib) generated 6 warnings (run `cargo fix --lib -p memlyze-image` to apply 3 suggestions)
[INFO] [stderr] warning: `memlyze-image` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memlyze_image-8a1b438450f426ed)
[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/memlyze_image-1189dd2b2c903e14)
[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] [stderr]    Doc-tests memlyze_image
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stderr]    |                                     ^                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 25 -             let scale_factor: u32 = (biggest_of_the_two / &limit);
[INFO] [stderr] 25 +             let scale_factor: u32 = biggest_of_the_two / &limit ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:26:56
[INFO] [stderr]    |
[INFO] [stderr] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stderr]    |                                                  ^                                 ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stderr] 26 +             let in_image = imageops::resize(&in_image, &in_image.width() / &scale_factor , (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:26:93
[INFO] [stderr]    |
[INFO] [stderr] 26 | ...   let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterTy...
[INFO] [stderr]    |                                                                                       ^                                  ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), (&in_image.height() / &scale_factor), FilterType::Lanczos3);
[INFO] [stderr] 26 +             let in_image = imageops::resize(&in_image, (&in_image.width() / &scale_factor), &in_image.height() / &scale_factor , FilterType::Lanczos3);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[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" "cda38c1792a9b51bffeb048b4f24fa4914069c0a9b58d4981764c4fd6d8372a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda38c1792a9b51bffeb048b4f24fa4914069c0a9b58d4981764c4fd6d8372a3", kill_on_drop: false }`
[INFO] [stdout] cda38c1792a9b51bffeb048b4f24fa4914069c0a9b58d4981764c4fd6d8372a3
