[INFO] cloning repository https://github.com/anderson-international/decluster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anderson-international/decluster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderson-international%2Fdecluster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderson-international%2Fdecluster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e49f4f307608f3ac1b84360bc3bb901b8f7ffd6d
[INFO] testing anderson-international/decluster against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderson-international%2Fdecluster" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/anderson-international/decluster
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/anderson-international/decluster
[INFO] tweaked toml for git repo https://github.com/anderson-international/decluster written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anderson-international/decluster on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/anderson-international/decluster 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc2/source/examples/decluster_demo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `decluster_demo`
[INFO] [stderr]   * `example` target `decluster_demo`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8b501195ea662459cd94b6c5f82e5509ebf3126f9b49fc5b9f3d1a2632a382d
[INFO] running `Command { std: "docker" "start" "-a" "c8b501195ea662459cd94b6c5f82e5509ebf3126f9b49fc5b9f3d1a2632a382d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8b501195ea662459cd94b6c5f82e5509ebf3126f9b49fc5b9f3d1a2632a382d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b501195ea662459cd94b6c5f82e5509ebf3126f9b49fc5b9f3d1a2632a382d", kill_on_drop: false }`
[INFO] [stdout] c8b501195ea662459cd94b6c5f82e5509ebf3126f9b49fc5b9f3d1a2632a382d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbfbd596412e5593ec341ee6fa9ffd3a26fe81f95b340699fc22eec4f70a1d4e
[INFO] running `Command { std: "docker" "start" "-a" "bbfbd596412e5593ec341ee6fa9ffd3a26fe81f95b340699fc22eec4f70a1d4e", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/decluster_demo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `decluster_demo`
[INFO] [stderr]   * `example` target `decluster_demo`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling piston-float v1.0.1
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling piston-viewport v1.0.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling piston-graphics_api_version v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling xdg v2.4.1
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling deflate v1.0.0
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling flume v0.10.11
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling exr v1.4.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling pistoncore-input v1.0.1
[INFO] [stderr]    Compiling tiff v0.7.1
[INFO] [stderr]    Compiling png v0.17.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling jpeg-decoder v0.2.2
[INFO] [stderr]    Compiling pistoncore-window v0.47.1
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling shader_version v0.7.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.53.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling piston2d-graphics v0.42.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.4.0
[INFO] [stderr]    Compiling piston v0.53.1
[INFO] [stderr]    Compiling image v0.24.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling piston-gfx_texture v0.42.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.76.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling winit v0.24.0
[INFO] [stderr]    Compiling glutin v0.26.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.69.0
[INFO] [stderr]    Compiling piston_window v0.123.0
[INFO] [stderr]    Compiling decluster v1.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 35s
[INFO] running `Command { std: "docker" "inspect" "bbfbd596412e5593ec341ee6fa9ffd3a26fe81f95b340699fc22eec4f70a1d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfbd596412e5593ec341ee6fa9ffd3a26fe81f95b340699fc22eec4f70a1d4e", kill_on_drop: false }`
[INFO] [stdout] bbfbd596412e5593ec341ee6fa9ffd3a26fe81f95b340699fc22eec4f70a1d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939d23fcdd6bd9212ce903ecef6ba33a42f2c36a76eb05ebb08bc2fdf7a1e6d1
[INFO] running `Command { std: "docker" "start" "-a" "939d23fcdd6bd9212ce903ecef6ba33a42f2c36a76eb05ebb08bc2fdf7a1e6d1", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/decluster_demo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `decluster_demo`
[INFO] [stderr]   * `example` target `decluster_demo`
[INFO] [stderr]    Compiling decluster v1.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "939d23fcdd6bd9212ce903ecef6ba33a42f2c36a76eb05ebb08bc2fdf7a1e6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939d23fcdd6bd9212ce903ecef6ba33a42f2c36a76eb05ebb08bc2fdf7a1e6d1", kill_on_drop: false }`
[INFO] [stdout] 939d23fcdd6bd9212ce903ecef6ba33a42f2c36a76eb05ebb08bc2fdf7a1e6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ed8911190bdba1b5389e93bee9682097d83389631f91665094933a0ddbbd99d
[INFO] running `Command { std: "docker" "start" "-a" "9ed8911190bdba1b5389e93bee9682097d83389631f91665094933a0ddbbd99d", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/decluster_demo.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `decluster_demo`
[INFO] [stderr]   * `example` target `decluster_demo`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/decluster-1c0859750a3ca35c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests examples/decluster_demo.rs (/opt/rustwide/target/debug/deps/decluster_demo-1c5ae09d85d2564e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests decluster
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... FAILED
[INFO] [stdout] test src/decluster.rs - decluster::decluster (line 10) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 25) stdout ----
[INFO] [stdout] error: expected item, found `>`
[INFO] [stdout]   --> src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | > cargo run --example decluster_demo --release
[INFO] [stdout]    | ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/decluster.rs - decluster::decluster (line 10) stdout ----
[INFO] [stdout] error: expected item, found `*`
[INFO] [stdout]   --> src/decluster.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | * points - the vec of Point structures
[INFO] [stdout]    | ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (49) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.19.1/src/xlib.rs:25:1:
[INFO] [stdout] null pointer dereference occurred
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d96fb17bd2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59d96fb17bd2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59d96fb17bd2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59d96fb17bd2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59d96fb2a5ca - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59d96fb2a5ca - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x59d96faf1df6 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59d96faf1df6 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59d96fafc069 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59d96fafc069 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59d96fafbec9 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x59d96fafc2ab - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x59d96fafc15a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   13:     0x59d96faf8eb9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x59d96fae5f6d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x59d96fb33ffd - core::panicking::panic_nounwind_fmt::runtime::hdd333623f60f3530
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:122:22
[INFO] [stdout]   16:     0x59d96fb33ffd - core::panicking::panic_nounwind_fmt::ha2bdc0d440fd6df8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/intrinsics/mod.rs:2432:9
[INFO] [stdout]   17:     0x59d96fb34147 - core::panicking::panic_null_pointer_dereference::h271f32ad7663216d
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:302:5
[INFO] [stdout]   18:     0x59d96fa2ad6e - <x11_dl::xlib::Xlib::init::SYMS as core::ops::deref::Deref>::deref::__static_ref_initialize::h1ab84402a0232779
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.19.1/src/link.rs:40:38
[INFO] [stdout]   19:     0x59d96fa2ad6e - core::ops::function::FnOnce::call_once::h0ee758a01aed084e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   20:     0x59d96fa2d4c3 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h7de66a7a6bc50fe8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   21:     0x59d96fa2bb8e - std::sync::once::Once::call_once::{{closure}}::he107e806fb82714f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sync/once.rs:159:41
[INFO] [stdout]   22:     0x59d96faf72a7 - std::sys::sync::once::futex::Once::call::h15cb8025668ce86c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/sync/once/futex.rs:178:21
[INFO] [stdout]   23:     0x59d96fa2b587 - std::sync::once::Once::call_once::h3fbd243a77054077
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sync/once.rs:159:20
[INFO] [stdout]   24:     0x59d96fa339a3 - lazy_static::lazy::Lazy<T>::get::h855ee66cf99bb5d8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/inline_lazy.rs:30:16
[INFO] [stdout]   25:     0x59d96fa339a3 - <x11_dl::xlib::Xlib::init::SYMS as core::ops::deref::Deref>::deref::__stability::hd94e1dc12da3ec00
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/lib.rs:142:26
[INFO] [stdout]   26:     0x59d96fa339a3 - <x11_dl::xlib::Xlib::init::SYMS as core::ops::deref::Deref>::deref::h63eab4e9aec8ae9d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   27:     0x59d96fa33353 - x11_dl::xlib::Xlib::init::h726d844d645cef90
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.19.1/src/link.rs:46:36
[INFO] [stdout]   28:     0x59d96fa33808 - x11_dl::xlib::Xlib::open::hf3ac4f25d0c77a44
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x11-dl-2.19.1/src/link.rs:59:11
[INFO] [stdout]   29:     0x59d96f7e3cab - winit::platform_impl::platform::x11::xdisplay::XConnection::new::he223eae2f51a8957
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.24.0/src/platform_impl/linux/x11/xdisplay.rs:36:20
[INFO] [stdout]   30:     0x59d96f80df20 - <winit::platform_impl::platform::X11_BACKEND as core::ops::deref::Deref>::deref::__static_ref_initialize::h739dc2687fd78205
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.24.0/src/platform_impl/linux/mod.rs:102:20
[INFO] [stdout]   31:     0x59d96f80df20 - core::ops::function::FnOnce::call_once::h4631f0b494338605
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   32:     0x59d96f7aae9b - lazy_static::lazy::Lazy<T>::get::{{closure}}::h6fec9e2493eb79b8
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   33:     0x59d96f7a483e - std::sync::once::Once::call_once::{{closure}}::hc37bd4b44df8c637
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sync/once.rs:159:41
[INFO] [stdout]   34:     0x59d96faf72a7 - std::sys::sync::once::futex::Once::call::h15cb8025668ce86c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/sync/once/futex.rs:178:21
[INFO] [stdout]   35:     0x59d96f7a4567 - std::sync::once::Once::call_once::h9d32dc95aa01ace8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sync/once.rs:159:20
[INFO] [stdout]   36:     0x59d96f83da60 - lazy_static::lazy::Lazy<T>::get::h95c1e5840fcd4856
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/inline_lazy.rs:30:16
[INFO] [stdout]   37:     0x59d96f83da60 - <winit::platform_impl::platform::X11_BACKEND as core::ops::deref::Deref>::deref::__stability::hd442521088f02649
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/lib.rs:142:26
[INFO] [stdout]   38:     0x59d96f83da60 - <winit::platform_impl::platform::X11_BACKEND as core::ops::deref::Deref>::deref::h15a225cbdd51d65e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   39:     0x59d96f738f99 - winit::platform_impl::platform::EventLoop<T>::new_x11_any_thread::h46cb16237bddb011
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.24.0/src/platform_impl/linux/mod.rs:629:27
[INFO] [stdout]   40:     0x59d96f738d22 - winit::platform_impl::platform::EventLoop<T>::new_any_thread::h09b8dedd9744771c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.24.0/src/platform_impl/linux/mod.rs:591:29
[INFO] [stdout]   41:     0x59d96f7391db - winit::platform_impl::platform::EventLoop<T>::new::hae5713bbad69c82e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.24.0/src/platform_impl/linux/mod.rs:556:9
[INFO] [stdout]   42:     0x59d96f6b3a7c - winit::event_loop::EventLoop<T>::with_user_event::h4abfc523cabf8396
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winit-0.24.0/src/event_loop.rs:134:25
[INFO] [stdout]   43:     0x59d96f6ec5b6 - glutin_window::GlutinWindow::new::h29504a0a0af85d04
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-glutin_window-0.69.0/src/lib.rs:119:26
[INFO] [stdout]   44:     0x59d96f6f34f7 - <glutin_window::GlutinWindow as window::BuildFromWindowSettings>::build_from_window_settings::h0497bf85f2f47520
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-glutin_window-0.69.0/src/lib.rs:541:9
[INFO] [stdout]   45:     0x59d96f639557 - window::WindowSettings::build::h2b726821e852259b
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-window-0.47.1/src/lib.rs:470:9
[INFO] [stdout]   46:     0x59d96f63a6cd - <piston_window::PistonWindow<W> as window::BuildFromWindowSettings>::build_from_window_settings::h3d93a3646bc6678c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/piston_window-0.123.0/src/lib.rs:191:56
[INFO] [stdout]   47:     0x59d96f639527 - window::WindowSettings::build::h27bbf0be796919c5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pistoncore-window-0.47.1/src/lib.rs:470:9
[INFO] [stdout]   48:     0x59d96f63bc84 - decluster::Canvas::new::he6e7fc0edd092b68
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:75:14
[INFO] [stdout]   49:     0x59d96f61fdf4 - rust_out::main::hfd6f621749dac69f
[INFO] [stdout]   50:     0x59d96f61fd33 - core::ops::function::FnOnce::call_once::hb1397b18da3aaedb
[INFO] [stdout]   51:     0x59d96f61fcd6 - std::sys::backtrace::__rust_begin_short_backtrace::h8c9a816bbcffd5a8
[INFO] [stdout]   52:     0x59d96f61fcb9 - std::rt::lang_start::{{closure}}::he61f35d05d768b48
[INFO] [stdout]   53:     0x59d96faf34a6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   54:     0x59d96faf34a6 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   55:     0x59d96faf34a6 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   56:     0x59d96faf34a6 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   57:     0x59d96faf34a6 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stdout]   58:     0x59d96faf34a6 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   59:     0x59d96faf34a6 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   60:     0x59d96faf34a6 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   61:     0x59d96faf34a6 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stdout]   62:     0x59d96f61fca1 - std::rt::lang_start::h9890a617c1815e16
[INFO] [stdout]   63:     0x59d96f61fe65 - main
[INFO] [stdout]   64:     0x7d125d93d1ca - <unknown>
[INFO] [stdout]   65:     0x7d125d93d28b - __libc_start_main
[INFO] [stdout]   66:     0x59d96f61fbb5 - _start
[INFO] [stdout]   67:                0x0 - <unknown>
[INFO] [stdout] thread caused non-unwinding panic. aborting.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/decluster.rs - decluster::decluster (line 10)
[INFO] [stdout]     src/lib.rs - (line 25)
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.61s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9ed8911190bdba1b5389e93bee9682097d83389631f91665094933a0ddbbd99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed8911190bdba1b5389e93bee9682097d83389631f91665094933a0ddbbd99d", kill_on_drop: false }`
[INFO] [stdout] 9ed8911190bdba1b5389e93bee9682097d83389631f91665094933a0ddbbd99d
