[INFO] cloning repository https://github.com/DuncanSungWKim/BisectImages [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DuncanSungWKim/BisectImages" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanSungWKim%2FBisectImages", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanSungWKim%2FBisectImages'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b816c64d8804ba6b1e27023470ab028bb82b7c5 [INFO] checking DuncanSungWKim/BisectImages against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanSungWKim%2FBisectImages" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DuncanSungWKim/BisectImages 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/DuncanSungWKim/BisectImages [INFO] finished tweaking git repo https://github.com/DuncanSungWKim/BisectImages [INFO] tweaked toml for git repo https://github.com/DuncanSungWKim/BisectImages written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/DuncanSungWKim/BisectImages 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fdeflate v0.3.1 [INFO] [stderr] Downloaded exr v1.71.0 [INFO] [stderr] Downloaded tiff v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bc7c97fdb3443113127b4ed3151dee5d3e7b1306e789e594611c53242dcde863 [INFO] running `Command { std: "docker" "start" "-a" "bc7c97fdb3443113127b4ed3151dee5d3e7b1306e789e594611c53242dcde863", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc7c97fdb3443113127b4ed3151dee5d3e7b1306e789e594611c53242dcde863", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc7c97fdb3443113127b4ed3151dee5d3e7b1306e789e594611c53242dcde863", kill_on_drop: false }` [INFO] [stdout] bc7c97fdb3443113127b4ed3151dee5d3e7b1306e789e594611c53242dcde863 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0c199115d384dfeadb79618d439fd7f4771ab23ea78a58a8e1cc358a4327ce3c [INFO] running `Command { std: "docker" "start" "-a" "0c199115d384dfeadb79618d439fd7f4771ab23ea78a58a8e1cc358a4327ce3c", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking half v2.2.1 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking bit_field v0.10.2 [INFO] [stderr] Checking gif v0.12.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking zune-inflate v0.2.54 [INFO] [stderr] Checking fdeflate v0.3.1 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking png v0.17.10 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking exr v1.71.0 [INFO] [stderr] Checking num-rational v0.4.1 [INFO] [stderr] Checking jpeg-decoder v0.3.0 [INFO] [stderr] Checking tiff v0.9.0 [INFO] [stderr] Checking image v0.24.7 [INFO] [stderr] Checking BisectImages v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `io::prelude::*` [INFO] [stdout] --> src/main.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | path::Path, fs, io::prelude::* [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::prelude::*` [INFO] [stdout] --> src/main.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | path::Path, fs, io::prelude::* [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | fs::remove_dir_all( &outputDir ) ; [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] 35 | let _ = fs::remove_dir_all( &outputDir ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | fs::create_dir( &outputDir ) ; [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] 37 | let _ = fs::create_dir( &outputDir ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | leftImage.save_with_format( &leftFilePath, ImageFormat::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] 56 | let _ = leftImage.save_with_format( &leftFilePath, ImageFormat::Png ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | rightImage.save_with_format( &rightFilePath, ImageFormat::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] 57 | let _ = rightImage.save_with_format( &rightFilePath, ImageFormat::Png ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | fs::remove_dir_all( &outputDir ) ; [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] 35 | let _ = fs::remove_dir_all( &outputDir ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | fs::create_dir( &outputDir ) ; [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] 37 | let _ = fs::create_dir( &outputDir ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | leftImage.save_with_format( &leftFilePath, ImageFormat::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] 56 | let _ = leftImage.save_with_format( &leftFilePath, ImageFormat::Png ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | rightImage.save_with_format( &rightFilePath, ImageFormat::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] 57 | let _ = rightImage.save_with_format( &rightFilePath, ImageFormat::Png ) ; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.56s [INFO] running `Command { std: "docker" "inspect" "0c199115d384dfeadb79618d439fd7f4771ab23ea78a58a8e1cc358a4327ce3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c199115d384dfeadb79618d439fd7f4771ab23ea78a58a8e1cc358a4327ce3c", kill_on_drop: false }` [INFO] [stdout] 0c199115d384dfeadb79618d439fd7f4771ab23ea78a58a8e1cc358a4327ce3c