[INFO] crate ledcat 0.1.5 is already in cache
[INFO] extracting crate ledcat 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/ledcat/0.1.5
[INFO] extracting crate ledcat 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ledcat/0.1.5
[INFO] validating manifest of ledcat-0.1.5 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ledcat-0.1.5 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ledcat-0.1.5
[INFO] finished frobbing ledcat-0.1.5
[INFO] frobbed toml for ledcat-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ledcat/0.1.5/Cargo.toml
[INFO] started frobbing ledcat-0.1.5
[INFO] finished frobbing ledcat-0.1.5
[INFO] frobbed toml for ledcat-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ledcat/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ledcat-0.1.5 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ledcat/0.1.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1b2d975a3d91298c850cc4cf4860872a892b5c3dda102828720f55ed81ec4360
[INFO] running `"docker" "start" "-a" "1b2d975a3d91298c850cc4cf4860872a892b5c3dda102828720f55ed81ec4360"`
[INFO] [stderr]    Compiling ledcat v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]    Compiling gpio v0.3.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/apa102.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/device/fluxled/mod.rs:244:20
[INFO] [stderr]     |
[INFO] [stderr] 244 |     type Err = Box<error::Error + Send + Sync>;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/device/fluxled/mod.rs:253:43
[INFO] [stderr]     |
[INFO] [stderr] 253 |             .or_else(|_| -> Result<_, Box<error::Error + Send + Sync>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/generic.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/hexws2811.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/lpd8806.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/sk9822.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/ws2812.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn write_frame(&self, writer: &mut io::Write, pixels: &[Pixel]) -> io::Result<()> {
[INFO] [stderr]    |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/mod.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl Output for Box<Output> {
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/mod.rs:60:32
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn write_frame(&self, &mut io::Write, &[Pixel]) -> io::Result<()>;
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/device/mod.rs:82:37
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn write_frame(&self, out: &mut io::Write, frame: &[Pixel]) -> io::Result<()> {
[INFO] [stderr]    |                                     ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/device/mod.rs:111:16
[INFO] [stderr]     |
[INFO] [stderr] 111 |     Device(Box<Device>),
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/device/mod.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |     Output(Box<Output>),
[INFO] [stderr]     |                ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/driver/artnet/unicast.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |     target: Box<Target>,
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/driver/artnet/unicast.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn to(target: Box<Target>, frame_size: usize) -> io::Result<Unicast> {
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/driver/artnet/mod.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let artnet_target: Box<Target> = if args.is_present("broadcast") {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Target`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/driver/spidev.rs:28:38
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn open(path: &path::Path, dev: &Device) -> Result<fs::File, driver::Error> {
[INFO] [stderr]    |                                      ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/geometry.rs:45:32
[INFO] [stderr]    |
[INFO] [stderr] 45 | impl Transposition for Vec<Box<Transposition>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/select.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |     inputs: Vec<Box<ReadFd + Send>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/select.rs:39:39
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let files: io::Result<Vec<Box<ReadFd + Send>>> = filenames.into_iter().map(|filename| {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/select.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |             Ok(Box::<ReadFd + Send>::from(Box::new(file)))
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input/select.rs:68:33
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn from(inputs: Vec<Box<ReadFd + Send>>, switch_after: usize, when_eof: WhenEOF, clear_timeout: Option<time::Duration>) -> Reader {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:164:21
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let output: Box<Output> = {
[INFO] [stderr]     |                     ^^^^^^ help: use `dyn`: `dyn Output`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:190:33
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 let output: Box<io::Write + Send> = match driver_name.as_str() {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:374:33
[INFO] [stderr]     |
[INFO] [stderr] 374 |     let transpositions: Vec<Box<Transposition>> = try!(operations.into_iter()
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:375:35
[INFO] [stderr]     |
[INFO] [stderr] 375 |         .map(|name| -> Result<Box<Transposition>, String> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.ledcat.7xl0b3fj-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec" "/opt/crater/target/debug/deps/ledcat-e53324ebd870e2ec.2aecuu4usawyfzbl.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/workdir/components/rpi-rgb-led-matrix/lib" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-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/crater/target/debug/deps/libregex-2f54045970e77773.rlib" "/opt/crater/target/debug/deps/libregex_syntax-bd99c61924ee7656.rlib" "/opt/crater/target/debug/deps/libthread_local-2ae771cec36f83c2.rlib" "/opt/crater/target/debug/deps/liblazy_static-1f7a4359e40a6da9.rlib" "/opt/crater/target/debug/deps/libaho_corasick-d762a0026dd53dbb.rlib" "/opt/crater/target/debug/deps/libmemchr-23e7689be8a12a36.rlib" "/opt/crater/target/debug/deps/libnix-f0652021263009bc.rlib" "/opt/crater/target/debug/deps/libvoid-ee701c9bdcbc84a6.rlib" "/opt/crater/target/debug/deps/libbytes-ed85d24d60fcc292.rlib" "/opt/crater/target/debug/deps/libiovec-700e4a654a679356.rlib" "/opt/crater/target/debug/deps/libnet2-bb453ffc26c3f792.rlib" "/opt/crater/target/debug/deps/libcfg_if-c978b2f886ff1de7.rlib" "/opt/crater/target/debug/deps/libgpio-8ba2ec5d073d96e9.rlib" "/opt/crater/target/debug/deps/libclap-946176546f1bfef1.rlib" "/opt/crater/target/debug/deps/libvec_map-dfe47d7ef870925b.rlib" "/opt/crater/target/debug/deps/libtextwrap-648e6ff45e87fdf7.rlib" "/opt/crater/target/debug/deps/libunicode_width-c482f247a0e67224.rlib" "/opt/crater/target/debug/deps/libstrsim-71052c127de7173f.rlib" "/opt/crater/target/debug/deps/libbitflags-c2b055ef483e7b37.rlib" "/opt/crater/target/debug/deps/libatty-22eb3b2ac1d714c2.rlib" "/opt/crater/target/debug/deps/liblibc-37f3d1c853b3b7bd.rlib" "/opt/crater/target/debug/deps/libansi_term-8091014737d4fb0a.rlib" "/opt/crater/target/debug/deps/libbyteorder-98f71e4258b709b0.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lrgbmatrix
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ledcat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1b2d975a3d91298c850cc4cf4860872a892b5c3dda102828720f55ed81ec4360"`
[INFO] running `"docker" "rm" "-f" "1b2d975a3d91298c850cc4cf4860872a892b5c3dda102828720f55ed81ec4360"`
[INFO] [stdout] 1b2d975a3d91298c850cc4cf4860872a892b5c3dda102828720f55ed81ec4360