[INFO] cloning repository https://github.com/ferrouswheel/superpixel-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferrouswheel/superpixel-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrouswheel%2Fsuperpixel-rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrouswheel%2Fsuperpixel-rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 84e20c5c95e88022f935ef63dd0377152aa6276c [INFO] checking ferrouswheel/superpixel-rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrouswheel%2Fsuperpixel-rs" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ferrouswheel/superpixel-rs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ferrouswheel/superpixel-rs [INFO] finished tweaking git repo https://github.com/ferrouswheel/superpixel-rs [INFO] tweaked toml for git repo https://github.com/ferrouswheel/superpixel-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ferrouswheel/superpixel-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d806f6c1f7cfacf3f552eb3e2b34b1d1c76e722c28dbcde39345abec58d51a3e [INFO] running `"docker" "start" "-a" "d806f6c1f7cfacf3f552eb3e2b34b1d1c76e722c28dbcde39345abec58d51a3e"` [INFO] [stderr] Compiling proc-macro2 v0.4.17 [INFO] [stderr] Checking libc v0.2.28 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Checking scopeguard v0.3.2 [INFO] [stderr] Checking either v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking futures v0.1.14 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking scoped_threadpool v0.1.7 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking deflate v0.7.14 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num-rational v0.1.39 [INFO] [stderr] Checking coco v0.1.1 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Checking jpeg-decoder v0.1.13 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking superpixel v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/lib.rs:451:17 [INFO] [stderr] | [INFO] [stderr] 451 | let idx = y * width + x; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `klabels` [INFO] [stderr] --> src/lib.rs:438:5 [INFO] [stderr] | [INFO] [stderr] 438 | klabels: &Vec, [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_klabels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `outline_color` [INFO] [stderr] --> src/lib.rs:440:5 [INFO] [stderr] | [INFO] [stderr] 440 | outline_color: &image::Rgb [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_outline_color` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/lib.rs:451:17 [INFO] [stderr] | [INFO] [stderr] 451 | let idx = y * width + x; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `klabels` [INFO] [stderr] --> src/lib.rs:438:5 [INFO] [stderr] | [INFO] [stderr] 438 | klabels: &Vec, [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_klabels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `outline_color` [INFO] [stderr] --> src/lib.rs:440:5 [INFO] [stderr] | [INFO] [stderr] 440 | outline_color: &image::Rgb [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_outline_color` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.69s [INFO] running `"docker" "inspect" "d806f6c1f7cfacf3f552eb3e2b34b1d1c76e722c28dbcde39345abec58d51a3e"` [INFO] running `"docker" "rm" "-f" "d806f6c1f7cfacf3f552eb3e2b34b1d1c76e722c28dbcde39345abec58d51a3e"` [INFO] [stdout] d806f6c1f7cfacf3f552eb3e2b34b1d1c76e722c28dbcde39345abec58d51a3e