[INFO] cloning repository https://github.com/dkeehl/rasterize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dkeehl/rasterize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkeehl%2Frasterize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkeehl%2Frasterize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 745dd65112bfa5b524149db95e3a0a9e4819758f
[INFO] testing dkeehl/rasterize against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkeehl%2Frasterize" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  81% (43/53)   
Checking out files:  83% (44/53)   
Checking out files:  84% (45/53)   
Checking out files:  86% (46/53)   
Checking out files:  88% (47/53)   
Checking out files:  90% (48/53)   
Checking out files:  92% (49/53)   
Checking out files:  94% (50/53)   
Checking out files:  96% (51/53)   
Checking out files:  98% (52/53)   
Checking out files: 100% (53/53)   
Checking out files: 100% (53/53), done.
[INFO] validating manifest of git repo https://github.com/dkeehl/rasterize on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dkeehl/rasterize
[INFO] finished tweaking git repo https://github.com/dkeehl/rasterize
[INFO] tweaked toml for git repo https://github.com/dkeehl/rasterize written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dkeehl/rasterize already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 1a758f50bbad40baca4d079c14bbee1347ef9511d2dd6e450493dd3e3f6f6079
[INFO] running `Command { std: "docker" "start" "-a" "1a758f50bbad40baca4d079c14bbee1347ef9511d2dd6e450493dd3e3f6f6079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a758f50bbad40baca4d079c14bbee1347ef9511d2dd6e450493dd3e3f6f6079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a758f50bbad40baca4d079c14bbee1347ef9511d2dd6e450493dd3e3f6f6079", kill_on_drop: false }`
[INFO] [stdout] 1a758f50bbad40baca4d079c14bbee1347ef9511d2dd6e450493dd3e3f6f6079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b27869d64935ac47f28732d4bc1eabef7a28c06e4046f8813d250c559ca115b
[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" "4b27869d64935ac47f28732d4bc1eabef7a28c06e4046f8813d250c559ca115b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling orbtk-utils v0.3.1-alpha2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling sw-composite v0.7.10
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling dces v0.2.0
[INFO] [stderr]    Compiling spin_sleep v0.3.7
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling orbtk-tree v0.3.1-alpha2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling wayland-sys v0.25.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling png v0.16.6
[INFO] [stderr]    Compiling wayland-scanner v0.25.0
[INFO] [stderr]    Compiling minifb v0.16.0
[INFO] [stderr]    Compiling cssparser v0.17.0
[INFO] [stderr]    Compiling euclid v0.20.14
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling lyon_geom v0.15.3
[INFO] [stderr]    Compiling tinytga v0.3.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling xkb v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling wayland-client v0.25.0
[INFO] [stderr]    Compiling wayland-protocols v0.25.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling raqote v0.7.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.23.6
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling wayland-commons v0.25.0
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling orbtk-proc-macros v0.3.1-alpha2
[INFO] [stderr]    Compiling wayland-cursor v0.25.0
[INFO] [stderr]    Compiling orbtk-render v0.3.1-alpha2
[INFO] [stderr]    Compiling orbtk-css-engine v0.3.1-alpha2
[INFO] [stderr]    Compiling orbtk-theme v0.3.1-alpha2
[INFO] [stderr]    Compiling ron v0.5.1
[INFO] [stderr]    Compiling obj-rs v0.6.0
[INFO] [stderr]    Compiling orbtk-shell v0.3.1-alpha2
[INFO] [stderr]    Compiling orbtk-api v0.3.1-alpha2
[INFO] [stderr]    Compiling orbtk-widgets v0.3.1-alpha2
[INFO] [stderr]    Compiling orbtk v0.3.1-alpha2
[INFO] [stderr]    Compiling rasterizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rasterizer`
[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" "4b27869d64935ac47f28732d4bc1eabef7a28c06e4046f8813d250c559ca115b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b27869d64935ac47f28732d4bc1eabef7a28c06e4046f8813d250c559ca115b", kill_on_drop: false }`
[INFO] [stdout] 4b27869d64935ac47f28732d4bc1eabef7a28c06e4046f8813d250c559ca115b