[INFO] cloning repository https://github.com/iamzko/rust_study1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamzko/rust_study1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamzko%2Frust_study1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamzko%2Frust_study1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ac91791a8ab6657275b78efe85c7c22714b1f30
[INFO] testing iamzko/rust_study1 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamzko%2Frust_study1" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamzko/rust_study1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamzko/rust_study1
[INFO] finished tweaking git repo https://github.com/iamzko/rust_study1
[INFO] tweaked toml for git repo https://github.com/iamzko/rust_study1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/iamzko/rust_study1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-cv/cv.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.4.6
[INFO] [stderr]   Downloaded glyph_brush_layout v0.1.9
[INFO] [stderr]   Downloaded svg_fmt v0.2.1
[INFO] [stderr]   Downloaded guillotiere v0.4.4
[INFO] [stderr]   Downloaded dodrio v0.1.0
[INFO] [stderr]   Downloaded rulinalg v0.4.2
[INFO] [stderr]   Downloaded euclid v0.20.14
[INFO] [stderr]   Downloaded primal-sieve v0.3.1
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] [stderr]   Downloaded primal-bit v0.3.0
[INFO] [stderr]   Downloaded primal v0.3.0
[INFO] [stderr]   Downloaded iced_web v0.2.1
[INFO] [stderr]   Downloaded window_clipboard v0.1.3
[INFO] [stderr]   Downloaded nshare v0.1.1
[INFO] [stderr]   Downloaded error-code v2.0.2
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded hnsw v0.6.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.5
[INFO] [stderr]   Downloaded wgpu_glyph v0.7.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded iced v0.1.1
[INFO] [stderr]   Downloaded imageproc v0.21.0
[INFO] [stderr]   Downloaded arrsac v0.5.0
[INFO] [stderr]   Downloaded bitarray v0.2.6
[INFO] [stderr]   Downloaded sample-consensus v1.0.1
[INFO] [stderr]   Downloaded glam v0.8.7
[INFO] [stderr]   Downloaded iced_futures v0.1.2
[INFO] [stderr]   Downloaded iced_native v0.2.2
[INFO] [stderr]   Downloaded clipboard-win v4.0.3
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded clipboard_wayland v0.1.2
[INFO] [stderr]   Downloaded glyph_brush v0.6.3
[INFO] [stderr]   Downloaded metal v0.18.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.3
[INFO] [stderr]   Downloaded clipboard_x11 v0.1.0
[INFO] [stderr]   Downloaded iced_winit v0.1.0
[INFO] [stderr]   Downloaded primal-estimate v0.3.1
[INFO] [stderr]   Downloaded space v0.10.3
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.2
[INFO] [stderr]   Downloaded iced_wgpu v0.2.3
[INFO] [stderr]   Downloaded iced_core v0.2.1
[INFO] [stderr]   Downloaded iced_style v0.1.0
[INFO] [stderr]   Downloaded atom v0.3.6
[INFO] [stderr]   Downloaded clipboard_macos v0.1.0
[INFO] [stderr]   Downloaded levenberg-marquardt v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae0436ae44d118fc77b174cd2685dece8de778d478a3365fc0739cb52ad2df2a
[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" "ae0436ae44d118fc77b174cd2685dece8de778d478a3365fc0739cb52ad2df2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae0436ae44d118fc77b174cd2685dece8de778d478a3365fc0739cb52ad2df2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0436ae44d118fc77b174cd2685dece8de778d478a3365fc0739cb52ad2df2a", kill_on_drop: false }`
[INFO] [stdout] ae0436ae44d118fc77b174cd2685dece8de778d478a3365fc0739cb52ad2df2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] e0186e426e7fbb75aa9c4d60e19d21cc0592fa728966fd067b3cb75c1769406e
[INFO] running `Command { std: "docker" "start" "-a" "e0186e426e7fbb75aa9c4d60e19d21cc0592fa728966fd067b3cb75c1769406e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling sample-consensus v1.0.1
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling iced_core v0.2.1
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling svg_fmt v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling primal-estimate v0.3.1
[INFO] [stderr]    Compiling space v0.10.3
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling iced_style v0.1.0
[INFO] [stderr]    Compiling primal-bit v0.3.0
[INFO] [stderr]    Compiling bitarray v0.2.6
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitarray-0.2.6/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[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]    Compiling dlib v0.4.2
[INFO] [stderr] error: could not compile `bitarray` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e0186e426e7fbb75aa9c4d60e19d21cc0592fa728966fd067b3cb75c1769406e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0186e426e7fbb75aa9c4d60e19d21cc0592fa728966fd067b3cb75c1769406e", kill_on_drop: false }`
[INFO] [stdout] e0186e426e7fbb75aa9c4d60e19d21cc0592fa728966fd067b3cb75c1769406e