[INFO] fetching crate ledcat 0.1.5...
[INFO] testing ledcat-0.1.5 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ledcat 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ledcat 0.1.5 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledcat 0.1.5
[INFO] finished tweaking crates.io crate ledcat 0.1.5
[INFO] tweaked toml for crates.io crate ledcat 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded assert_cli v0.6.3
[INFO] [stderr]   Downloaded gpio v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5544f3afc9fd545b6e206cc355cf6ad8b75f228dd364b2aae265e7f82c2315e8
[INFO] running `Command { std: "docker" "start" "-a" "5544f3afc9fd545b6e206cc355cf6ad8b75f228dd364b2aae265e7f82c2315e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5544f3afc9fd545b6e206cc355cf6ad8b75f228dd364b2aae265e7f82c2315e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5544f3afc9fd545b6e206cc355cf6ad8b75f228dd364b2aae265e7f82c2315e8", kill_on_drop: false }`
[INFO] [stdout] 5544f3afc9fd545b6e206cc355cf6ad8b75f228dd364b2aae265e7f82c2315e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d83d63a8b181d5fade2ce1b7dd0473f1977f1f9250612dd43503b79f10fb65d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d83d63a8b181d5fade2ce1b7dd0473f1977f1f9250612dd43503b79f10fb65d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling ledcat v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling gpio v0.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:374:51
[INFO] [stdout]     |
[INFO] [stdout] 374 |     let transpositions: Vec<Box<Transposition>> = try!(operations.into_iter()
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/apa102.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/device/fluxled/mod.rs:244:20
[INFO] [stdout]     |
[INFO] [stdout] 244 |     type Err = Box<error::Error + Send + Sync>;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/device/fluxled/mod.rs:253:43
[INFO] [stdout]     |
[INFO] [stdout] 253 |             .or_else(|_| -> Result<_, Box<error::Error + Send + Sync>> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/generic.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/hexws2811.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/lpd8806.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/sk9822.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/ws2812.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/mod.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Output for Box<Output> {
[INFO] [stdout]    |                     ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/mod.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn write_frame(&self, &mut io::Write, &[Pixel]) -> io::Result<()>;
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/device/mod.rs:82:37
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn write_frame(&self, out: &mut io::Write, frame: &[Pixel]) -> io::Result<()> {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/device/mod.rs:111:16
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Device(Box<Device>),
[INFO] [stdout]     |                ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/device/mod.rs:113:16
[INFO] [stdout]     |
[INFO] [stdout] 113 |     Output(Box<Output>),
[INFO] [stdout]     |                ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver/artnet/unicast.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     target: Box<Target>,
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver/artnet/unicast.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn to(target: Box<Target>, frame_size: usize) -> io::Result<Unicast> {
[INFO] [stdout]    |                           ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver/artnet/mod.rs:59:28
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let artnet_target: Box<Target> = if args.is_present("broadcast") {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/driver/spidev.rs:28:38
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn open(path: &path::Path, dev: &Device) -> Result<fs::File, driver::Error> {
[INFO] [stdout]    |                                      ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/geometry.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Transposition for Vec<Box<Transposition>> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/select.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |     inputs: Vec<Box<ReadFd + Send>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/select.rs:39:39
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let files: io::Result<Vec<Box<ReadFd + Send>>> = filenames.into_iter().map(|filename| {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/select.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Ok(Box::<ReadFd + Send>::from(Box::new(file)))
[INFO] [stdout]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/input/select.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn from(inputs: Vec<Box<ReadFd + Send>>, switch_after: usize, when_eof: WhenEOF, clear_timeout: Option<time::Duration>) -> Reader {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:164:21
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let output: Box<Output> = {
[INFO] [stdout]     |                     ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:190:33
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 let output: Box<io::Write + Send> = match driver_name.as_str() {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:374:33
[INFO] [stdout]     |
[INFO] [stdout] 374 |     let transpositions: Vec<Box<Transposition>> = try!(operations.into_iter()
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:375:35
[INFO] [stdout]     |
[INFO] [stdout] 375 |         .map(|name| -> Result<Box<Transposition>, String> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.ledcat.2m01knwr-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59" "/opt/rustwide/target/debug/deps/ledcat-84dc21b4b7dedc59.w9xo07zu7yas64k.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/workdir/components/rpi-rgb-led-matrix/lib" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "-lrgbmatrix" "-Wl,--no-whole-archive" "-Wl,-Bdynamic" "-lstdc++" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-0457da9ac927e2b3.rlib" "/opt/rustwide/target/debug/deps/libthread_local-b5a8520d8d18b76f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-541c4040d42da1d1.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-c8123315f49f23be.rlib" "/opt/rustwide/target/debug/deps/libmemchr-8df1994bb164e7a2.rlib" "/opt/rustwide/target/debug/deps/libnix-e8e746c3df9622c3.rlib" "/opt/rustwide/target/debug/deps/libvoid-2b8404f9072f9abf.rlib" "/opt/rustwide/target/debug/deps/libbytes-dc993d522891f471.rlib" "/opt/rustwide/target/debug/deps/libiovec-7e7fadef35a51dee.rlib" "/opt/rustwide/target/debug/deps/libnet2-a0aece442ee38209.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/libgpio-f94138880c945e47.rlib" "/opt/rustwide/target/debug/deps/libclap-4fd30721bd7ee8fc.rlib" "/opt/rustwide/target/debug/deps/libvec_map-7100684f869cd5d4.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-8ae0f8936ac22737.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-205a394572a8e7c4.rlib" "/opt/rustwide/target/debug/deps/libstrsim-22d7efa33182e3c6.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/libatty-3552710980297a7c.rlib" "/opt/rustwide/target/debug/deps/liblibc-e52aab25f5d90c7e.rlib" "/opt/rustwide/target/debug/deps/libansi_term-fe7bdec5ded10333.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f7f925fcf7e16859.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lrgbmatrix
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ledcat`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d83d63a8b181d5fade2ce1b7dd0473f1977f1f9250612dd43503b79f10fb65d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83d63a8b181d5fade2ce1b7dd0473f1977f1f9250612dd43503b79f10fb65d1", kill_on_drop: false }`
[INFO] [stdout] d83d63a8b181d5fade2ce1b7dd0473f1977f1f9250612dd43503b79f10fb65d1
