[INFO] cloning repository https://github.com/Nashenas88/fractals [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nashenas88/fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNashenas88%2Ffractals", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNashenas88%2Ffractals'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25d970b9f2f580069b9faabbd567e4c3ea1d457d [INFO] testing Nashenas88/fractals against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNashenas88%2Ffractals" "/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/Nashenas88/fractals on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nashenas88/fractals [INFO] finished tweaking git repo https://github.com/Nashenas88/fractals [INFO] tweaked toml for git repo https://github.com/Nashenas88/fractals written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Nashenas88/fractals already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3483cdfd09cec6348c31fb8cd4be2b6df56d231b0bb392d770d2fdf686436621 [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" "3483cdfd09cec6348c31fb8cd4be2b6df56d231b0bb392d770d2fdf686436621", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3483cdfd09cec6348c31fb8cd4be2b6df56d231b0bb392d770d2fdf686436621", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3483cdfd09cec6348c31fb8cd4be2b6df56d231b0bb392d770d2fdf686436621", kill_on_drop: false }` [INFO] [stdout] 3483cdfd09cec6348c31fb8cd4be2b6df56d231b0bb392d770d2fdf686436621 [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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d36b0a90aaf74628a86269d2d3df5aab6afec03c69504fb9ed35b3c43b9d4b3b [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" "d36b0a90aaf74628a86269d2d3df5aab6afec03c69504fb9ed35b3c43b9d4b3b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling pkg-config v0.3.16 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling downcast-rs v1.1.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling xdg v2.2.0 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling instant v0.1.2 [INFO] [stderr] Compiling unicode-segmentation v1.5.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling takeable-option v0.5.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling colorbrewer v0.1.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling stb_truetype v0.3.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling gl_generator v0.11.0 [INFO] [stderr] Compiling gl_generator v0.13.1 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling wayland-sys v0.23.6 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling raw-window-handle v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling num_cpus v1.11.0 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling rusttype v0.8.1 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling glutin_egl_sys v0.1.3 [INFO] [stderr] Compiling glutin_glx_sys v0.1.5 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling glium v0.26.0-alpha3 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling wayland-client v0.23.6 [INFO] [stderr] Compiling wayland-protocols v0.23.6 [INFO] [stderr] Compiling wayland-commons v0.23.6 [INFO] [stderr] Compiling calloop v0.4.4 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.3 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Compiling structopt v0.3.3 [INFO] [stderr] Compiling smithay-client-toolkit v0.6.4 [INFO] [stderr] Compiling winit v0.20.0-alpha4 [INFO] [stderr] Compiling glutin v0.22.0-alpha3 [INFO] [stderr] Compiling pixel-canvas v0.2.0 [INFO] [stderr] Compiling fractals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/lib/char.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | type Output = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/lib/julia.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | type Output = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/lib/mandelbrot.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | type Output = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/lib/rgb.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | type Output = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(min_type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `type_alias_impl_trait` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib/mod.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fractals` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d36b0a90aaf74628a86269d2d3df5aab6afec03c69504fb9ed35b3c43b9d4b3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d36b0a90aaf74628a86269d2d3df5aab6afec03c69504fb9ed35b3c43b9d4b3b", kill_on_drop: false }` [INFO] [stdout] d36b0a90aaf74628a86269d2d3df5aab6afec03c69504fb9ed35b3c43b9d4b3b