[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] checking illemonati/memlyze against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillemonati%2Fmemlyze" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/illemonati/memlyze on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-15/source/Cargo.toml
[INFO] crate git repo https://github.com/illemonati/memlyze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7075042294c660593de697c1acef457557d7664f8c3d81add52f0daa375bf6a
[INFO] running `Command { std: "docker" "start" "-a" "a7075042294c660593de697c1acef457557d7664f8c3d81add52f0daa375bf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7075042294c660593de697c1acef457557d7664f8c3d81add52f0daa375bf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7075042294c660593de697c1acef457557d7664f8c3d81add52f0daa375bf6a", kill_on_drop: false }`
[INFO] [stdout] a7075042294c660593de697c1acef457557d7664f8c3d81add52f0daa375bf6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 890bbf16d76c934647f87082329ad8fb6dd4ca7e7aec8be5d188c8104e82a881
[INFO] running `Command { std: "docker" "start" "-a" "890bbf16d76c934647f87082329ad8fb6dd4ca7e7aec8be5d188c8104e82a881", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking 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)]` 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), FilterType::L...
[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), FilterType::L...
[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)]` 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: 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)]` 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: 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: 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), FilterType::L...
[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), FilterType::L...
[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 `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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "890bbf16d76c934647f87082329ad8fb6dd4ca7e7aec8be5d188c8104e82a881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890bbf16d76c934647f87082329ad8fb6dd4ca7e7aec8be5d188c8104e82a881", kill_on_drop: false }`
[INFO] [stdout] 890bbf16d76c934647f87082329ad8fb6dd4ca7e7aec8be5d188c8104e82a881