[INFO] cloning repository https://github.com/dabch/rust-rpi-led
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dabch/rust-rpi-led" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdabch%2Frust-rpi-led", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdabch%2Frust-rpi-led'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eac6fdff231c2f1819db0a78850cd47ab1777b8
[INFO] testing dabch/rust-rpi-led against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdabch%2Frust-rpi-led" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dabch/rust-rpi-led on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dabch/rust-rpi-led
[INFO] finished tweaking git repo https://github.com/dabch/rust-rpi-led
[INFO] tweaked toml for git repo https://github.com/dabch/rust-rpi-led written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 676a7af889ed6ae2ff64ac1fe1cbf84b3109c30765b42054e8124441b8b5af26
[INFO] running `Command { std: "docker" "start" "-a" "676a7af889ed6ae2ff64ac1fe1cbf84b3109c30765b42054e8124441b8b5af26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "676a7af889ed6ae2ff64ac1fe1cbf84b3109c30765b42054e8124441b8b5af26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676a7af889ed6ae2ff64ac1fe1cbf84b3109c30765b42054e8124441b8b5af26", kill_on_drop: false }`
[INFO] [stdout] 676a7af889ed6ae2ff64ac1fe1cbf84b3109c30765b42054e8124441b8b5af26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b6364c1b36bb9e4e67cb2c7f469c933dea7da86d4bf02b2a8bd8dc2c3696ad
[INFO] running `Command { std: "docker" "start" "-a" "62b6364c1b36bb9e4e67cb2c7f469c933dea7da86d4bf02b2a8bd8dc2c3696ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling rust_rpi_led_matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.96s
[INFO] running `Command { std: "docker" "inspect" "62b6364c1b36bb9e4e67cb2c7f469c933dea7da86d4bf02b2a8bd8dc2c3696ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b6364c1b36bb9e4e67cb2c7f469c933dea7da86d4bf02b2a8bd8dc2c3696ad", kill_on_drop: false }`
[INFO] [stdout] 62b6364c1b36bb9e4e67cb2c7f469c933dea7da86d4bf02b2a8bd8dc2c3696ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac114b2cbf894d498387b46db1c5f4debd813fa44ac724152427c2c422d2e45b
[INFO] running `Command { std: "docker" "start" "-a" "ac114b2cbf894d498387b46db1c5f4debd813fa44ac724152427c2c422d2e45b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_rpi_led_matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |         unsafe { &(*(::std::ptr::null::<__fsid_t>())).__val as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:336:19
[INFO] [stdout]     |
[INFO] [stdout] 336 |         unsafe { &(*(::std::ptr::null::<__mbstate_t__bindgen_ty_1>())).__wch as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:347:14
[INFO] [stdout]     |
[INFO] [stdout] 347 |             &(*(::std::ptr::null::<__mbstate_t__bindgen_ty_1>())).__wchb as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:371:19
[INFO] [stdout]     |
[INFO] [stdout] 371 |         unsafe { &(*(::std::ptr::null::<__mbstate_t>())).__count as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:381:19
[INFO] [stdout]     |
[INFO] [stdout] 381 |         unsafe { &(*(::std::ptr::null::<__mbstate_t>())).__value as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:410:19
[INFO] [stdout]     |
[INFO] [stdout] 410 |         unsafe { &(*(::std::ptr::null::<_G_fpos_t>())).__pos as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:420:19
[INFO] [stdout]     |
[INFO] [stdout] 420 |         unsafe { &(*(::std::ptr::null::<_G_fpos_t>())).__state as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:450:19
[INFO] [stdout]     |
[INFO] [stdout] 450 |         unsafe { &(*(::std::ptr::null::<_G_fpos64_t>())).__pos as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:460:19
[INFO] [stdout]     |
[INFO] [stdout] 460 |         unsafe { &(*(::std::ptr::null::<_G_fpos64_t>())).__state as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:535:19
[INFO] [stdout]     |
[INFO] [stdout] 535 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._flags as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:545:19
[INFO] [stdout]     |
[INFO] [stdout] 545 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_read_ptr as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:555:19
[INFO] [stdout]     |
[INFO] [stdout] 555 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_read_end as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:565:19
[INFO] [stdout]     |
[INFO] [stdout] 565 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_read_base as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:575:19
[INFO] [stdout]     |
[INFO] [stdout] 575 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_write_base as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:585:19
[INFO] [stdout]     |
[INFO] [stdout] 585 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_write_ptr as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:595:19
[INFO] [stdout]     |
[INFO] [stdout] 595 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_write_end as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:605:19
[INFO] [stdout]     |
[INFO] [stdout] 605 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_buf_base as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:615:19
[INFO] [stdout]     |
[INFO] [stdout] 615 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_buf_end as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:625:19
[INFO] [stdout]     |
[INFO] [stdout] 625 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_save_base as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:635:19
[INFO] [stdout]     |
[INFO] [stdout] 635 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_backup_base as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:645:19
[INFO] [stdout]     |
[INFO] [stdout] 645 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._IO_save_end as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:655:19
[INFO] [stdout]     |
[INFO] [stdout] 655 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._markers as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:665:19
[INFO] [stdout]     |
[INFO] [stdout] 665 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._chain as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:675:19
[INFO] [stdout]     |
[INFO] [stdout] 675 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._fileno as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:685:19
[INFO] [stdout]     |
[INFO] [stdout] 685 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._flags2 as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:695:19
[INFO] [stdout]     |
[INFO] [stdout] 695 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._old_offset as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:705:19
[INFO] [stdout]     |
[INFO] [stdout] 705 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._cur_column as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:715:19
[INFO] [stdout]     |
[INFO] [stdout] 715 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._vtable_offset as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:725:19
[INFO] [stdout]     |
[INFO] [stdout] 725 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._shortbuf as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:735:19
[INFO] [stdout]     |
[INFO] [stdout] 735 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._lock as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:745:19
[INFO] [stdout]     |
[INFO] [stdout] 745 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._offset as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:755:19
[INFO] [stdout]     |
[INFO] [stdout] 755 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._codecvt as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:765:19
[INFO] [stdout]     |
[INFO] [stdout] 765 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._wide_data as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:775:19
[INFO] [stdout]     |
[INFO] [stdout] 775 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._freeres_list as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:785:19
[INFO] [stdout]     |
[INFO] [stdout] 785 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._freeres_buf as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:795:19
[INFO] [stdout]     |
[INFO] [stdout] 795 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>())).__pad5 as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:805:19
[INFO] [stdout]     |
[INFO] [stdout] 805 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._mode as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/led_matrix_c.rs:815:19
[INFO] [stdout]     |
[INFO] [stdout] 815 |         unsafe { &(*(::std::ptr::null::<_IO_FILE>()))._unused2 as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1329:14
[INFO] [stdout]      |
[INFO] [stdout] 1329 |             &(*(::std::ptr::null::<LedMatrixOptions>())).hardware_mapping as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1340:19
[INFO] [stdout]      |
[INFO] [stdout] 1340 |         unsafe { &(*(::std::ptr::null::<LedMatrixOptions>())).rows as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1350:19
[INFO] [stdout]      |
[INFO] [stdout] 1350 |         unsafe { &(*(::std::ptr::null::<LedMatrixOptions>())).cols as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1361:14
[INFO] [stdout]      |
[INFO] [stdout] 1361 |             &(*(::std::ptr::null::<LedMatrixOptions>())).chain_length as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1372:19
[INFO] [stdout]      |
[INFO] [stdout] 1372 |         unsafe { &(*(::std::ptr::null::<LedMatrixOptions>())).parallel as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1382:19
[INFO] [stdout]      |
[INFO] [stdout] 1382 |         unsafe { &(*(::std::ptr::null::<LedMatrixOptions>())).pwm_bits as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1393:14
[INFO] [stdout]      |
[INFO] [stdout] 1393 |             &(*(::std::ptr::null::<LedMatrixOptions>())).pwm_lsb_nanoseconds as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1405:14
[INFO] [stdout]      |
[INFO] [stdout] 1405 |             &(*(::std::ptr::null::<LedMatrixOptions>())).pwm_dither_bits as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1416:19
[INFO] [stdout]      |
[INFO] [stdout] 1416 |         unsafe { &(*(::std::ptr::null::<LedMatrixOptions>())).brightness as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1426:19
[INFO] [stdout]      |
[INFO] [stdout] 1426 |         unsafe { &(*(::std::ptr::null::<LedMatrixOptions>())).scan_mode as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1437:14
[INFO] [stdout]      |
[INFO] [stdout] 1437 |             &(*(::std::ptr::null::<LedMatrixOptions>())).row_address_type as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1449:14
[INFO] [stdout]      |
[INFO] [stdout] 1449 |             &(*(::std::ptr::null::<LedMatrixOptions>())).multiplexing as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1461:14
[INFO] [stdout]      |
[INFO] [stdout] 1461 |             &(*(::std::ptr::null::<LedMatrixOptions>())).led_rgb_sequence as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1473:14
[INFO] [stdout]      |
[INFO] [stdout] 1473 |             &(*(::std::ptr::null::<LedMatrixOptions>())).pixel_mapper_config as *const _ as usize
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1484:19
[INFO] [stdout]      |
[INFO] [stdout] 1484 |         unsafe { &(*(::std::ptr::null::<LedMatrixOptions>())).panel_type as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]     --> src/led_matrix_c.rs:1771:19
[INFO] [stdout]      |
[INFO] [stdout] 1771 |         unsafe { &(*(::std::ptr::null::<__va_list>())).__ap as *const _ as usize },
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc0aLiw7/symbols.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.rust_rpi_led_matrix.c1b12240-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05.2dgarwf5e9aw1s3z.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lrgbmatrix" "-lstdc++" "-lrt" "-lpthread" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-2bcc87e061734fce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-4c2368e8367904c3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-06b9dcb8e6d4191c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-23a78788aee51060.rlib" "/opt/rustwide/target/debug/deps/libimage-29e60fc0e6210372.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-9c40b819dc6da19b.rlib" "/opt/rustwide/target/debug/deps/libpng-17a08449d6248c65.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-210ea0057e6857f3.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-fc15e7c737c5fb18.rlib" "/opt/rustwide/target/debug/deps/libdeflate-cb4d95640e47c57e.rlib" "/opt/rustwide/target/debug/deps/libadler32-4ad3039ef892af0b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-610a73087f46ba3b.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-5cd5e6329c20ed9a.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-0a9edc57bfe4f517.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-4a36ce3c489eb1c5.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-252bf10dfecf5a6a.rlib" "/opt/rustwide/target/debug/deps/libgif-483b44591c37d6c4.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-76ea6da9e2ca7302.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-614d7e4e7f7903e2.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-ab4e79417a15ff02.rlib" "/opt/rustwide/target/debug/deps/libtiff-22387f6ae50ea87c.rlib" "/opt/rustwide/target/debug/deps/libweezl-6d214f873043ab2a.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-158a21adfd2388e9.rlib" "/opt/rustwide/target/debug/deps/libadler-92f8db84032ff960.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-943a20e643be3969.rlib" "/opt/rustwide/target/debug/deps/librayon-3ffa35c79f3bed67.rlib" "/opt/rustwide/target/debug/deps/librayon_core-6d66b8fbdb382588.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-f4115bed07ed9459.rlib" "/opt/rustwide/target/debug/deps/liblibc-437468c9c78eaf61.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-506d7d129d155e18.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-fa7174296704d7ae.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-f892157242695dc8.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-54ff2283d814f48f.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-de4d16a705b66f6c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-7bd232fa77f01b77.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-97437e183f3ae6e4.rlib" "/opt/rustwide/target/debug/deps/libeither-4575608844b11fd4.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0e29cc23c5e02021.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d903621768a861d9.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6d0225e655f31c13.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-9dbaf4eac7eaa079.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-27f05b3d42a66dd0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-4d73f1030321c9a2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2846c9e58abd0acb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a53d0f50415947be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d48e4b6abc25b9dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-2991859439ef1207.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-8a687517e4221bae.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-e07b554f6a67f5b3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b68238b7c3c619dd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d5e213e896c017e4.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0211a3b2e61d8689.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b371f055239ba51f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e60518d2760eb01e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1ad943f92a4b1081.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0d6e4d0fc1e80b4.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_rpi_led_matrix-11e211d899ebca05" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lrgbmatrix: No such file or directory
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_rpi_led_matrix` (lib test) due to 2 previous errors; 54 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ac114b2cbf894d498387b46db1c5f4debd813fa44ac724152427c2c422d2e45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac114b2cbf894d498387b46db1c5f4debd813fa44ac724152427c2c422d2e45b", kill_on_drop: false }`
[INFO] [stdout] ac114b2cbf894d498387b46db1c5f4debd813fa44ac724152427c2c422d2e45b
