[INFO] cloning repository https://github.com/babalolajnr/Image-Shifter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/babalolajnr/Image-Shifter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabalolajnr%2FImage-Shifter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabalolajnr%2FImage-Shifter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f60e9b96480df293f83dc968678a59cd6c089898 [INFO] checking babalolajnr/Image-Shifter against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabalolajnr%2FImage-Shifter" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/babalolajnr/Image-Shifter on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/babalolajnr/Image-Shifter [INFO] finished tweaking git repo https://github.com/babalolajnr/Image-Shifter [INFO] tweaked toml for git repo https://github.com/babalolajnr/Image-Shifter written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/babalolajnr/Image-Shifter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 927998330b93939157a51ea49cb16f8f2264c226cde1142a6e439248c9f4c288 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "927998330b93939157a51ea49cb16f8f2264c226cde1142a6e439248c9f4c288", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "927998330b93939157a51ea49cb16f8f2264c226cde1142a6e439248c9f4c288", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "927998330b93939157a51ea49cb16f8f2264c226cde1142a6e439248c9f4c288", kill_on_drop: false }` [INFO] [stdout] 927998330b93939157a51ea49cb16f8f2264c226cde1142a6e439248c9f4c288 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e27c0ac7ae57ac6b25affc1309b7cf12b389cf87bddb39589c686e0094dacc9c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e27c0ac7ae57ac6b25affc1309b7cf12b389cf87bddb39589c686e0094dacc9c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking directories v3.0.2 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking rust-image-processor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `filter3x3` [INFO] [stdout] --> src/converter.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn filter3x3(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/converter.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | converter.grayscale() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found enum `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found enum `Result` [INFO] [stdout] help: consider using a semicolon here [INFO] [stdout] | [INFO] [stdout] 120 | converter.grayscale(); [INFO] [stdout] | + [INFO] [stdout] help: try adding a return type [INFO] [stdout] | [INFO] [stdout] 117 | fn test_grayscale() -> Result { [INFO] [stdout] | +++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-image-processor` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e27c0ac7ae57ac6b25affc1309b7cf12b389cf87bddb39589c686e0094dacc9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e27c0ac7ae57ac6b25affc1309b7cf12b389cf87bddb39589c686e0094dacc9c", kill_on_drop: false }` [INFO] [stdout] e27c0ac7ae57ac6b25affc1309b7cf12b389cf87bddb39589c686e0094dacc9c