[INFO] cloning repository https://github.com/hugopeixoto/ptcg-detection [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hugopeixoto/ptcg-detection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugopeixoto%2Fptcg-detection", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugopeixoto%2Fptcg-detection'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c3317fe389adefc5395c12e6472f632ce4e3611 [INFO] testing hugopeixoto/ptcg-detection 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%2Fhugopeixoto%2Fptcg-detection" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hugopeixoto/ptcg-detection 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/hugopeixoto/ptcg-detection [INFO] finished tweaking git repo https://github.com/hugopeixoto/ptcg-detection [INFO] tweaked toml for git repo https://github.com/hugopeixoto/ptcg-detection written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/hugopeixoto/ptcg-detection 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] Downloading crates ... [INFO] [stderr] Downloaded strength_reduce v0.2.3 [INFO] [stderr] Downloaded bytemuck v1.7.0 [INFO] [stderr] Downloaded clipboard_x11 v0.3.1 [INFO] [stderr] Downloaded winapi-wsapoll v0.1.1 [INFO] [stderr] Downloaded smithay-client-toolkit v0.14.0 [INFO] [stderr] Downloaded glam v0.10.2 [INFO] [stderr] Downloaded glyph_brush_draw_cache v0.1.4 [INFO] [stderr] Downloaded unicode-ccc v0.1.2 [INFO] [stderr] Downloaded data-url v0.1.0 [INFO] [stderr] Downloaded kurbo v0.7.1 [INFO] [stderr] Downloaded guillotiere v0.6.1 [INFO] [stderr] Downloaded wide v0.6.5 [INFO] [stderr] Downloaded rgb v0.8.27 [INFO] [stderr] Downloaded svgfilters v0.2.0 [INFO] [stderr] Downloaded tiny-skia v0.2.0 [INFO] [stderr] Downloaded clipboard-win v4.2.1 [INFO] [stderr] Downloaded longest-increasing-subsequence v0.1.0 [INFO] [stderr] Downloaded dodrio v0.2.0 [INFO] [stderr] Downloaded usvg v0.12.0 [INFO] [stderr] Downloaded iced_core v0.4.0 [INFO] [stderr] Downloaded iced_web v0.4.0 [INFO] [stderr] Downloaded pathfinder_geometry v0.5.1 [INFO] [stderr] Downloaded ordered-float v2.7.0 [INFO] [stderr] Downloaded rctree v0.3.3 [INFO] [stderr] Downloaded wgpu_glyph v0.11.0 [INFO] [stderr] Downloaded unicode-script v0.5.3 [INFO] [stderr] Downloaded unicode-vo v0.1.0 [INFO] [stderr] Downloaded v4l2-sys-mit v0.2.0 [INFO] [stderr] Downloaded core-text v19.2.0 [INFO] [stderr] Downloaded iced_style v0.3.0 [INFO] [stderr] Downloaded v4l v0.12.1 [INFO] [stderr] Downloaded clipboard_macos v0.1.0 [INFO] [stderr] Downloaded smithay-clipboard v0.6.4 [INFO] [stderr] Downloaded rulinalg v0.4.2 [INFO] [stderr] Downloaded transpose v0.2.1 [INFO] [stderr] Downloaded x11rb v0.8.1 [INFO] [stderr] Downloaded fontdb v0.3.0 [INFO] [stderr] Downloaded dwrote v0.11.0 [INFO] [stderr] Downloaded gethostname v0.2.1 [INFO] [stderr] Downloaded matrixmultiply v0.1.15 [INFO] [stderr] Downloaded num-bigint v0.3.2 [INFO] [stderr] Downloaded roxmltree v0.13.1 [INFO] [stderr] Downloaded pico-args v0.3.4 [INFO] [stderr] Downloaded xmlparser v0.13.3 [INFO] [stderr] Downloaded expat-sys v2.1.6 [INFO] [stderr] Downloaded iced v0.3.0 [INFO] [stderr] Downloaded edge-detection v0.2.5 [INFO] [stderr] Downloaded rustfft v3.0.1 [INFO] [stderr] Downloaded unicode-general-category v0.2.0 [INFO] [stderr] Downloaded simplecss v0.2.1 [INFO] [stderr] Downloaded float-cmp v0.5.3 [INFO] [stderr] Downloaded svgtypes v0.5.0 [INFO] [stderr] Downloaded rustybuzz v0.3.0 [INFO] [stderr] Downloaded servo-fontconfig-sys v5.1.0 [INFO] [stderr] Downloaded xmlwriter v0.1.0 [INFO] [stderr] Downloaded freetype-sys v0.13.1 [INFO] [stderr] Downloaded unicode-bidi-mirroring v0.1.0 [INFO] [stderr] Downloaded iced_wgpu v0.4.0 [INFO] [stderr] Downloaded float-ord v0.2.0 [INFO] [stderr] Downloaded font-kit v0.10.1 [INFO] [stderr] Downloaded iced_graphics v0.2.0 [INFO] [stderr] Downloaded glyph_brush v0.7.2 [INFO] [stderr] Downloaded freetype v0.7.0 [INFO] [stderr] Downloaded pathfinder_simd v0.5.1 [INFO] [stderr] Downloaded iced_native v0.4.0 [INFO] [stderr] Downloaded servo-fontconfig v0.5.1 [INFO] [stderr] Downloaded error-code v2.3.0 [INFO] [stderr] Downloaded str-buf v1.0.5 [INFO] [stderr] Downloaded iced_winit v0.3.0 [INFO] [stderr] Downloaded transpose v0.1.0 [INFO] [stderr] Downloaded window_clipboard v0.2.1 [INFO] [stderr] Downloaded iced_futures v0.3.0 [INFO] [stderr] Downloaded img_hash v3.2.0 [INFO] [stderr] Downloaded palette_derive v0.5.0 [INFO] [stderr] Downloaded clipboard_wayland v0.2.0 [INFO] [stderr] Downloaded rustdct v0.4.0 [INFO] [stderr] Downloaded palette v0.5.0 [INFO] [stderr] Downloaded resvg v0.12.0 [INFO] [stderr] Downloaded imageproc v0.22.0 [INFO] [stderr] Downloaded kmeans_colors v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ba63899b89e8b6b8001e27ca18356c2756d65ed7acd6bee65a0478d40859d61c [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" "ba63899b89e8b6b8001e27ca18356c2756d65ed7acd6bee65a0478d40859d61c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba63899b89e8b6b8001e27ca18356c2756d65ed7acd6bee65a0478d40859d61c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba63899b89e8b6b8001e27ca18356c2756d65ed7acd6bee65a0478d40859d61c", kill_on_drop: false }` [INFO] [stdout] ba63899b89e8b6b8001e27ca18356c2756d65ed7acd6bee65a0478d40859d61c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] fec7996a9aec52bbf60ddea50aef64597c2f87e000617a55a3000dbe7631ec1d [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" "fec7996a9aec52bbf60ddea50aef64597c2f87e000617a55a3000dbe7631ec1d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.65 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-io v0.3.16 [INFO] [stderr] Compiling fastrand v1.5.0 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling async-task v4.0.3 [INFO] [stderr] Compiling khronos-egl v3.0.2 [INFO] [stderr] Compiling ttf-parser v0.12.3 [INFO] [stderr] Compiling unicode-general-category v0.2.0 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling float-cmp v0.5.3 [INFO] [stderr] Compiling iced_core v0.4.0 [INFO] [stderr] Compiling glow v0.7.2 [INFO] [stderr] Compiling ttf-parser v0.9.0 [INFO] [stderr] Compiling unicode-ccc v0.1.2 [INFO] [stderr] Compiling unicode-bidi-mirroring v0.1.0 [INFO] [stderr] Compiling unicode-script v0.5.3 [INFO] [stderr] Compiling xmlparser v0.13.3 [INFO] [stderr] Compiling xi-unicode v0.3.0 [INFO] [stderr] Compiling xmlwriter v0.1.0 [INFO] [stderr] Compiling rctree v0.3.3 [INFO] [stderr] Compiling pico-args v0.3.4 [INFO] [stderr] Compiling unicode-vo v0.1.0 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Compiling svg_fmt v0.4.1 [INFO] [stderr] Compiling custom_derive v0.1.7 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-bigint v0.3.2 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling servo-fontconfig-sys v5.1.0 [INFO] [stderr] Compiling glam v0.10.2 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.4.0 [INFO] [stderr] Compiling kurbo v0.7.1 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Compiling wgpu-core v0.7.1 [INFO] [stderr] Compiling data-url v0.1.0 [INFO] [stderr] Compiling iced_style v0.3.0 [INFO] [stderr] Compiling svgtypes v0.5.0 [INFO] [stderr] Compiling matrixmultiply v0.3.1 [INFO] [stderr] Compiling ash v0.31.0 [INFO] [stderr] Compiling conv v0.3.3 [INFO] [stderr] Compiling roxmltree v0.13.1 [INFO] [stderr] Compiling jobserver v0.1.23 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling socket2 v0.4.1 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling memmap2 v0.2.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling gethostname v0.2.1 [INFO] [stderr] Compiling gpu-descriptor-types v0.1.1 [INFO] [stderr] Compiling gpu-alloc-types v0.2.0 [INFO] [stderr] Compiling wgpu-types v0.7.0 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling andrew v0.3.1 [INFO] [stderr] Compiling owned_ttf_parser v0.12.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Compiling spirv_headers v1.5.0 [INFO] [stderr] Compiling approx v0.5.0 [INFO] [stderr] Compiling ordered-float v2.7.0 [INFO] [stderr] Compiling euclid v0.22.6 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling wayland-commons v0.28.6 [INFO] [stderr] Compiling flate2 v1.0.20 [INFO] [stderr] Compiling x11rb v0.8.1 [INFO] [stderr] Compiling ab_glyph v0.2.11 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling transpose v0.2.1 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling simba v0.5.1 [INFO] [stderr] Compiling glyph_brush_layout v0.2.3 [INFO] [stderr] Compiling guillotiere v0.6.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling spirv_cross v0.23.1 [INFO] [stderr] Compiling xcursor v0.3.3 [INFO] [stderr] Compiling pathfinder_simd v0.5.1 [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint/convert.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint/convert.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found reference [INFO] [stdout] | [INFO] [stdout] = note: expected type `u64` [INFO] [stdout] found reference `&_` [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 70 - .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] 70 + .div_ceil(big_digit::BITS.into()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint/convert.rs:585:10 [INFO] [stdout] | [INFO] [stdout] 585 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint/convert.rs:585:19 [INFO] [stdout] | [INFO] [stdout] 585 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 585 - .div_ceil(&u64::from(bits)) [INFO] [stdout] 585 + .div_ceil(u64::from(bits)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint/convert.rs:613:10 [INFO] [stdout] | [INFO] [stdout] 613 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint/convert.rs:613:19 [INFO] [stdout] | [INFO] [stdout] 613 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 613 - .div_ceil(&u64::from(bits)) [INFO] [stdout] 613 + .div_ceil(u64::from(bits)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint.rs:393:45 [INFO] [stdout] | [INFO] [stdout] 393 | let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.2/src/biguint.rs:393:54 [INFO] [stdout] | [INFO] [stdout] 393 | let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] | ^^^^ expected `u64`, found `&u64` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 393 - let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] 393 + let root_scale = extra_bits.div_ceil(n64); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ash` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.31.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="libloading"' -C metadata=a4e468936d6ddc46 -C extra-filename=-a4e468936d6ddc46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-e0096b3acf82c226.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "fec7996a9aec52bbf60ddea50aef64597c2f87e000617a55a3000dbe7631ec1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fec7996a9aec52bbf60ddea50aef64597c2f87e000617a55a3000dbe7631ec1d", kill_on_drop: false }` [INFO] [stdout] fec7996a9aec52bbf60ddea50aef64597c2f87e000617a55a3000dbe7631ec1d