[INFO] cloning repository https://github.com/Jasperav/imagebufferrust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jasperav/imagebufferrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fimagebufferrust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fimagebufferrust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a41f507b0f9d51a8dbd55689a76db972a9c5e34 [INFO] checking Jasperav/imagebufferrust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fimagebufferrust" "/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/Jasperav/imagebufferrust 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/Jasperav/imagebufferrust [INFO] finished tweaking git repo https://github.com/Jasperav/imagebufferrust [INFO] tweaked toml for git repo https://github.com/Jasperav/imagebufferrust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jasperav/imagebufferrust 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 tiff v0.4.0 [INFO] [stderr] Downloaded image v0.23.0-preview.0 [INFO] [stderr] Downloaded png v0.15.2 [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] db4920b9f897f2e53e1b0862f8a820ee91b261d23190be826d31657b304f948b [INFO] running `Command { std: "docker" "start" "-a" "db4920b9f897f2e53e1b0862f8a820ee91b261d23190be826d31657b304f948b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db4920b9f897f2e53e1b0862f8a820ee91b261d23190be826d31657b304f948b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db4920b9f897f2e53e1b0862f8a820ee91b261d23190be826d31657b304f948b", kill_on_drop: false }` [INFO] [stdout] db4920b9f897f2e53e1b0862f8a820ee91b261d23190be826d31657b304f948b [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] 159113dcde3e35b5a49767edf94ebc9194265e566bca753e61fae4271148cb59 [INFO] running `Command { std: "docker" "start" "-a" "159113dcde3e35b5a49767edf94ebc9194265e566bca753e61fae4271148cb59", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.5 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking png v0.15.2 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking image v0.23.0-preview.0 [INFO] [stderr] Checking imagebufferrust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `converted` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let converted = image::load_from_memory(&pixels); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `converted_with_format` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let converted_with_format = image::load_from_memory_with_format(&pixels, ImageFormat::Png).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted_with_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `converted` [INFO] [stdout] --> src/main.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let converted = image::load_from_memory(&pixels); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `converted_with_format` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let converted_with_format = image::load_from_memory_with_format(&pixels, ImageFormat::Jpeg).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted_with_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `converted` [INFO] [stdout] --> src/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let converted = image::load_from_memory(&pixels); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `converted_with_format` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let converted_with_format = image::load_from_memory_with_format(&pixels, ImageFormat::Png).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted_with_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `converted` [INFO] [stdout] --> src/main.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let converted = image::load_from_memory(&pixels); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `converted_with_format` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let converted_with_format = image::load_from_memory_with_format(&pixels, ImageFormat::Jpeg).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted_with_format` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.28s [INFO] running `Command { std: "docker" "inspect" "159113dcde3e35b5a49767edf94ebc9194265e566bca753e61fae4271148cb59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "159113dcde3e35b5a49767edf94ebc9194265e566bca753e61fae4271148cb59", kill_on_drop: false }` [INFO] [stdout] 159113dcde3e35b5a49767edf94ebc9194265e566bca753e61fae4271148cb59