[INFO] cloning repository https://github.com/dariandzirko/obama_poster_maker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dariandzirko/obama_poster_maker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariandzirko%2Fobama_poster_maker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariandzirko%2Fobama_poster_maker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38b96a7dc6bf42e4432ccf927f3c3fdcf2736de3 [INFO] checking dariandzirko/obama_poster_maker against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariandzirko%2Fobama_poster_maker" "/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/dariandzirko/obama_poster_maker on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dariandzirko/obama_poster_maker [INFO] finished tweaking git repo https://github.com/dariandzirko/obama_poster_maker [INFO] tweaked toml for git repo https://github.com/dariandzirko/obama_poster_maker written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dariandzirko/obama_poster_maker 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] beace9209479e36dac83583db17d6b4491bfa6fc64cd05e06ea36bcfdf19bbab [INFO] running `Command { std: "docker" "start" "-a" "beace9209479e36dac83583db17d6b4491bfa6fc64cd05e06ea36bcfdf19bbab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "beace9209479e36dac83583db17d6b4491bfa6fc64cd05e06ea36bcfdf19bbab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "beace9209479e36dac83583db17d6b4491bfa6fc64cd05e06ea36bcfdf19bbab", kill_on_drop: false }` [INFO] [stdout] beace9209479e36dac83583db17d6b4491bfa6fc64cd05e06ea36bcfdf19bbab [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=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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 713327042b0b9495cc77d9298489e5683594d9e9113282425c300a7f6d16ffcf [INFO] running `Command { std: "docker" "start" "-a" "713327042b0b9495cc77d9298489e5683594d9e9113282425c300a7f6d16ffcf", kill_on_drop: false }` [INFO] [stderr] Checking fdeflate v0.3.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking exr v1.71.0 [INFO] [stderr] Checking png v0.17.10 [INFO] [stderr] Checking tiff v0.9.0 [INFO] [stderr] Checking image v0.24.7 [INFO] [stderr] Checking obama_poster_maker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `image` is imported redundantly [INFO] [stdout] --> src/otsu.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{self, GenericImageView, GrayImage, Luma, Pixel}; [INFO] [stdout] | ^^^^ the item `image` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `image` is imported redundantly [INFO] [stdout] --> src/otsu.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{self, GenericImageView, GrayImage, Luma, Pixel}; [INFO] [stdout] | ^^^^ the item `image` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GenericImageView` [INFO] [stdout] --> src/otsu.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{self, GenericImageView, GrayImage, Luma, Pixel}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dark_pixel` [INFO] [stdout] --> src/otsu.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let dark_pixel = Luma([0]); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dark_pixel` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | otsu_img.save("background_removed.png"); [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] 9 | let _ = otsu_img.save("background_removed.png"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | otsu_img.save("otsu.png"); [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] 11 | let _ = otsu_img.save("otsu.png"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Map` that must be used [INFO] [stdout] --> src/otsu.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / probabilities [INFO] [stdout] 21 | | .iter_mut() [INFO] [stdout] 22 | | .enumerate() [INFO] [stdout] 23 | | .map(|(i, x)| *x + (histogram[i] / sum) as f32); [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = probabilities [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GenericImageView` [INFO] [stdout] --> src/otsu.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{self, GenericImageView, GrayImage, Luma, Pixel}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dark_pixel` [INFO] [stdout] --> src/otsu.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let dark_pixel = Luma([0]); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dark_pixel` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | otsu_img.save("background_removed.png"); [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] 9 | let _ = otsu_img.save("background_removed.png"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | otsu_img.save("otsu.png"); [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] 11 | let _ = otsu_img.save("otsu.png"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Map` that must be used [INFO] [stdout] --> src/otsu.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / probabilities [INFO] [stdout] 21 | | .iter_mut() [INFO] [stdout] 22 | | .enumerate() [INFO] [stdout] 23 | | .map(|(i, x)| *x + (histogram[i] / sum) as f32); [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = probabilities [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.93s [INFO] running `Command { std: "docker" "inspect" "713327042b0b9495cc77d9298489e5683594d9e9113282425c300a7f6d16ffcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "713327042b0b9495cc77d9298489e5683594d9e9113282425c300a7f6d16ffcf", kill_on_drop: false }` [INFO] [stdout] 713327042b0b9495cc77d9298489e5683594d9e9113282425c300a7f6d16ffcf