[INFO] cloning repository https://github.com/eignnx/mandelbrot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eignnx/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fmandelbrot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fmandelbrot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6eea4d678ac75f50ca9d8f5af15e22a4ed9912b6 [INFO] checking eignnx/mandelbrot against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feignnx%2Fmandelbrot" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eignnx/mandelbrot on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eignnx/mandelbrot [INFO] finished tweaking git repo https://github.com/eignnx/mandelbrot [INFO] tweaked toml for git repo https://github.com/eignnx/mandelbrot written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/eignnx/mandelbrot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.2.12 [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 80e3462af9cf1cce96bde246d9d02f39973396daa89e87a70fd2bb690528951b [INFO] running `Command { std: "docker" "start" "-a" "80e3462af9cf1cce96bde246d9d02f39973396daa89e87a70fd2bb690528951b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80e3462af9cf1cce96bde246d9d02f39973396daa89e87a70fd2bb690528951b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80e3462af9cf1cce96bde246d9d02f39973396daa89e87a70fd2bb690528951b", kill_on_drop: false }` [INFO] [stdout] 80e3462af9cf1cce96bde246d9d02f39973396daa89e87a70fd2bb690528951b [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b5d63e49f16144a73001a9ddab0fb1317fa3ba6afe6398e65d094019f4d67aa [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" "9b5d63e49f16144a73001a9ddab0fb1317fa3ba6afe6398e65d094019f4d67aa", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.35 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking num-rational v0.1.40 [INFO] [stderr] Checking rand v0.3.20 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rayon-core v1.3.0 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Checking jpeg-decoder v0.1.13 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:200:22 [INFO] [stdout] | [INFO] [stdout] 200 | color_fn: &Fn(f32) -> f32) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:200:22 [INFO] [stdout] | [INFO] [stdout] 200 | color_fn: &Fn(f32) -> f32) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_center_scale` [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | fn from_center_scale(center: Complex64, scale: f64, aspect_ratio: f64) -> CWindow { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_corner_w_h` [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn from_corner_w_h(upper_left: Complex64, width: f64, height: f64) -> CWindow { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `center` [INFO] [stdout] --> src/main.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | fn center(&self) -> Complex64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.26s [INFO] running `Command { std: "docker" "inspect" "9b5d63e49f16144a73001a9ddab0fb1317fa3ba6afe6398e65d094019f4d67aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b5d63e49f16144a73001a9ddab0fb1317fa3ba6afe6398e65d094019f4d67aa", kill_on_drop: false }` [INFO] [stdout] 9b5d63e49f16144a73001a9ddab0fb1317fa3ba6afe6398e65d094019f4d67aa