[INFO] cloning repository https://github.com/chansuke/rs-mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chansuke/rs-mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchansuke%2Frs-mandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchansuke%2Frs-mandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f548aa42c7d97713a41025d9cfbf367f6248ec5f [INFO] checking chansuke/rs-mandelbrot against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchansuke%2Frs-mandelbrot" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chansuke/rs-mandelbrot on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chansuke/rs-mandelbrot [INFO] finished tweaking git repo https://github.com/chansuke/rs-mandelbrot [INFO] tweaked toml for git repo https://github.com/chansuke/rs-mandelbrot written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/chansuke/rs-mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80c1f93f7f113a4f3112d1eecd8ee0efeb2d52eac4a6ee9eb2e25a49a3637698 [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" "80c1f93f7f113a4f3112d1eecd8ee0efeb2d52eac4a6ee9eb2e25a49a3637698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80c1f93f7f113a4f3112d1eecd8ee0efeb2d52eac4a6ee9eb2e25a49a3637698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80c1f93f7f113a4f3112d1eecd8ee0efeb2d52eac4a6ee9eb2e25a49a3637698", kill_on_drop: false }` [INFO] [stdout] 80c1f93f7f113a4f3112d1eecd8ee0efeb2d52eac4a6ee9eb2e25a49a3637698 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2db78449838d2e8da72f2d75a74b90e6cb1d9645a52f154382117aa152e271d [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" "a2db78449838d2e8da72f2d75a74b90e6cb1d9645a52f154382117aa152e271d", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `parse_pair` [INFO] [stdout] --> src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn parse_pair(s: &str, separator: char) -> Option<(T, T)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_complex` [INFO] [stdout] --> src/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn parse_complex(s: &str) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pixel_to_point` [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn pixel_to_point( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `escape_time` [INFO] [stdout] --> src/main.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `render` [INFO] [stdout] --> src/main.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn render( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_image` [INFO] [stdout] --> src/main.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn write_image( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `escape_time` [INFO] [stdout] --> src/main.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `render` [INFO] [stdout] --> src/main.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn render( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_image` [INFO] [stdout] --> src/main.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn write_image( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.76s [INFO] running `Command { std: "docker" "inspect" "a2db78449838d2e8da72f2d75a74b90e6cb1d9645a52f154382117aa152e271d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2db78449838d2e8da72f2d75a74b90e6cb1d9645a52f154382117aa152e271d", kill_on_drop: false }` [INFO] [stdout] a2db78449838d2e8da72f2d75a74b90e6cb1d9645a52f154382117aa152e271d