[INFO] cloning repository https://github.com/Kroisse/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kroisse/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d48be00f3c2cba9061bd826e2d72bec3b98c4867
[INFO] testing Kroisse/sudoku against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKroisse%2Fsudoku" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kroisse/sudoku
[INFO] finished tweaking git repo https://github.com/Kroisse/sudoku
[INFO] tweaked toml for git repo https://github.com/Kroisse/sudoku written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kroisse/sudoku on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kroisse/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rctree v0.4.0
[INFO] [stderr]   Downloaded unicode-general-category v0.4.0
[INFO] [stderr]   Downloaded siphasher v0.3.9
[INFO] [stderr]   Downloaded svgtypes v0.8.0
[INFO] [stderr]   Downloaded unicode-script v0.5.4
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded ouroboros v0.14.2
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded strum v0.23.0
[INFO] [stderr]   Downloaded field-offset v0.3.4
[INFO] [stderr]   Downloaded derive_utils v0.11.2
[INFO] [stderr]   Downloaded document-features v0.1.0
[INFO] [stderr]   Downloaded ouroboros_macro v0.14.2
[INFO] [stderr]   Downloaded vtable-macro v0.1.5
[INFO] [stderr]   Downloaded font-kit v0.10.1
[INFO] [stderr]   Downloaded femtovg v0.3.3
[INFO] [stderr]   Downloaded hashbrown v0.12.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.15.3
[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded cortex-m v0.7.4
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] [stderr]   Downloaded image v0.24.1
[INFO] [stderr]   Downloaded tiny-skia v0.6.3
[INFO] [stderr]   Downloaded exr v1.4.1
[INFO] [stderr]   Downloaded mio v0.8.0
[INFO] [stderr]   Downloaded resvg v0.20.0
[INFO] [stderr]   Downloaded rowan v0.15.3
[INFO] [stderr]   Downloaded png v0.17.3
[INFO] [stderr]   Downloaded glutin v0.28.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.2
[INFO] [stderr]   Downloaded imgref v1.9.1
[INFO] [stderr]   Downloaded flume v0.10.11
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.7
[INFO] [stderr]   Downloaded rustybuzz v0.5.0
[INFO] [stderr]   Downloaded rustybuzz v0.4.0
[INFO] [stderr]   Downloaded i-slint-core-macros v0.2.0
[INFO] [stderr]   Downloaded i-slint-backend-selector v0.2.0
[INFO] [stderr]   Downloaded i-slint-common v0.2.0
[INFO] [stderr]   Downloaded slint-macros v0.2.0
[INFO] [stderr]   Downloaded i-slint-compiler v0.2.0
[INFO] [stderr]   Downloaded slint-build v0.2.0
[INFO] [stderr]   Downloaded tiff v0.7.1
[INFO] [stderr]   Downloaded usvg v0.20.0
[INFO] [stderr]   Downloaded i-slint-core v0.2.0
[INFO] [stderr]   Downloaded freetype v0.7.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.1
[INFO] [stderr]   Downloaded auto_enums_core v0.7.12
[INFO] [stderr]   Downloaded auto_enums v0.7.12
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.7
[INFO] [stderr]   Downloaded lyon_svg v0.17.2
[INFO] [stderr]   Downloaded i-slint-backend-gl v0.2.0
[INFO] [stderr]   Downloaded slint v0.2.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.5
[INFO] [stderr]   Downloaded lru v0.7.2
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.6
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded rgb v0.8.31
[INFO] [stderr]   Downloaded const-field-offset v0.1.2
[INFO] [stderr]   Downloaded vtable v0.1.5
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded countme v3.0.0
[INFO] [stderr]   Downloaded fontdb v0.7.0
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.2
[INFO] [stderr]   Downloaded by_address v1.0.4
[INFO] [stderr]   Downloaded strum_macros v0.23.1
[INFO] [stderr]   Downloaded svgfilters v0.4.0
[INFO] [stderr]   Downloaded data-url v0.1.1
[INFO] [stderr]   Downloaded memmap2 v0.5.3
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded ndk-glue v0.5.1
[INFO] [stderr]   Downloaded auto_enums_derive v0.7.12
[INFO] [stderr]   Downloaded smol_str v0.1.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2642e20c729284e60bd29e21b895a7e038c9912b9ca07b99f843257e539c039
[INFO] running `Command { std: "docker" "start" "-a" "c2642e20c729284e60bd29e21b895a7e038c9912b9ca07b99f843257e539c039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2642e20c729284e60bd29e21b895a7e038c9912b9ca07b99f843257e539c039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2642e20c729284e60bd29e21b895a7e038c9912b9ca07b99f843257e539c039", kill_on_drop: false }`
[INFO] [stdout] c2642e20c729284e60bd29e21b895a7e038c9912b9ca07b99f843257e539c039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9cab7068659719cd3261752343c9caea57bae1a2cc998065968a240f08257e4
[INFO] running `Command { std: "docker" "start" "-a" "c9cab7068659719cd3261752343c9caea57bae1a2cc998065968a240f08257e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling unicode-general-category v0.4.0
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling unicode-script v0.5.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling rgb v0.8.31
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling png v0.17.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling svgtypes v0.8.0
[INFO] [stderr]    Compiling kurbo v0.8.3
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling roxmltree v0.14.1
[INFO] [stderr]    Compiling data-url v0.1.1
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling simplecss v0.2.1
[INFO] [stderr]    Compiling rctree v0.4.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling rustybuzz v0.4.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]    Compiling tiny-skia v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling lyon_svg v0.17.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling memmap2 v0.5.3
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling i-slint-common v0.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling fontdb v0.7.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling by_address v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling critical-section v0.2.5
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling tiff v0.7.1
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling usvg v0.20.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.86/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=16a7149e37e9743e -C extra-filename=-3912d653e35eec3e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1c3c21a1ccdfb113.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-613ca0ea39de9221.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ec3574e853df74c8.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.22.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=0093ad8a0e9a4ed0 -C extra-filename=-cc5e7ff6dbc35678 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-dfd565f85bac9b15.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-cfb20768436a17c8.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-bf042020d0586f96.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-69f5c8239a774794.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c9cab7068659719cd3261752343c9caea57bae1a2cc998065968a240f08257e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cab7068659719cd3261752343c9caea57bae1a2cc998065968a240f08257e4", kill_on_drop: false }`
[INFO] [stdout] c9cab7068659719cd3261752343c9caea57bae1a2cc998065968a240f08257e4