[INFO] cloning repository https://github.com/BryceGerst/Sudoku-Solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BryceGerst/Sudoku-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBryceGerst%2FSudoku-Solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBryceGerst%2FSudoku-Solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3e7d9e5c7670a9d3f3ccb6ec2573e0939182807
[INFO] checking BryceGerst/Sudoku-Solver against master#1e225413a21fa69570bd3fefea9eb05e33f8b917 for pr-107421
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBryceGerst%2FSudoku-Solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BryceGerst/Sudoku-Solver on toolchain 1e225413a21fa69570bd3fefea9eb05e33f8b917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BryceGerst/Sudoku-Solver
[INFO] finished tweaking git repo https://github.com/BryceGerst/Sudoku-Solver
[INFO] tweaked toml for git repo https://github.com/BryceGerst/Sudoku-Solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BryceGerst/Sudoku-Solver 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" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded conrod_winit v0.76.0
[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded conrod_derive v0.76.0
[INFO] [stderr]   Downloaded conrod_core v0.76.0
[INFO] [stderr]   Downloaded glutin v0.25.1
[INFO] [stderr]   Downloaded glium v0.28.0
[INFO] [stderr]   Downloaded conrod_glium v0.76.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d2c5c90bf1aa2148dd065494ec6b48543e2d69523868d2966bb69df2edc7638
[INFO] running `Command { std: "docker" "start" "-a" "5d2c5c90bf1aa2148dd065494ec6b48543e2d69523868d2966bb69df2edc7638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2c5c90bf1aa2148dd065494ec6b48543e2d69523868d2966bb69df2edc7638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2c5c90bf1aa2148dd065494ec6b48543e2d69523868d2966bb69df2edc7638", kill_on_drop: false }`
[INFO] [stdout] 5d2c5c90bf1aa2148dd065494ec6b48543e2d69523868d2966bb69df2edc7638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 995986b7a8c15e44b133436e3ef74e6c54a97124e001d73d2ee4c20f0cdb21c9
[INFO] running `Command { std: "docker" "start" "-a" "995986b7a8c15e44b133436e3ef74e6c54a97124e001d73d2ee4c20f0cdb21c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling pkg-config v0.3.23
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking piston-viewport v1.0.1
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling glium v0.28.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking conrod_winit v0.76.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking x11-clipboard v0.5.3
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]    Compiling conrod_derive v0.76.0
[INFO] [stderr]     Checking pistoncore-input v1.0.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]     Checking conrod_core v0.76.0
[INFO] [stderr]     Checking glutin v0.25.1
[INFO] [stderr]     Checking conrod_glium v0.76.0
[INFO] [stderr]     Checking sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "995986b7a8c15e44b133436e3ef74e6c54a97124e001d73d2ee4c20f0cdb21c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995986b7a8c15e44b133436e3ef74e6c54a97124e001d73d2ee4c20f0cdb21c9", kill_on_drop: false }`
[INFO] [stdout] 995986b7a8c15e44b133436e3ef74e6c54a97124e001d73d2ee4c20f0cdb21c9