[INFO] fetching crate ledcat 0.1.5... [INFO] testing ledcat-0.1.5 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate ledcat 0.1.5 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate ledcat 0.1.5 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded environment v0.1.1 [INFO] [stderr] Downloaded assert_cli v0.6.3 [INFO] [stderr] Downloaded derive-error v0.0.4 [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded gpio v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c2db253ace2d06a5d8bd4139f462775c7dd6ab237e1e8148770934b690f47d2 [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" "5c2db253ace2d06a5d8bd4139f462775c7dd6ab237e1e8148770934b690f47d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c2db253ace2d06a5d8bd4139f462775c7dd6ab237e1e8148770934b690f47d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c2db253ace2d06a5d8bd4139f462775c7dd6ab237e1e8148770934b690f47d2", kill_on_drop: false }` [INFO] [stdout] 5c2db253ace2d06a5d8bd4139f462775c7dd6ab237e1e8148770934b690f47d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", 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] 04c848e17a0417dd1af2bcdf0ef872318c31bb01caed87ce6533cc36611eb819 [INFO] running `Command { std: "docker" "start" "-a" "04c848e17a0417dd1af2bcdf0ef872318c31bb01caed87ce6533cc36611eb819", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [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 aho-corasick v0.7.18 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling derive-error v0.0.4 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling regex v1.5.4 [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/device/mod.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn output_frame(&mut self, &[Pixel]) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Pixel]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [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 { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/device/mod.rs:60:27 [INFO] [stdout] | [INFO] [stdout] 60 | fn write_frame(&self, &mut io::Write, &[Pixel]) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/device/mod.rs:60:43 [INFO] [stdout] | [INFO] [stdout] 60 | fn write_frame(&self, &mut io::Write, &[Pixel]) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Pixel]` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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), [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Device` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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), [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Target` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, frame_size: usize) -> io::Result { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Target` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 = if args.is_present("broadcast") { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Target` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Device` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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>> = filenames.into_iter().map(|filename| { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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::::from(Box::new(file))) [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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>, switch_after: usize, when_eof: WhenEOF, clear_timeout: Option) -> Reader { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadFd + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 = { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Output` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 = match driver_name.as_str() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [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> = 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/main.rs:374:33 [INFO] [stdout] | [INFO] [stdout] 374 | let transpositions: Vec> = try!(operations.into_iter() [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, String> { [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Transposition` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.ledcat.2b692189-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6.g6ptrznfb19gzmd.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/workdir/components/rpi-rgb-led-matrix/lib" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/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-dd9363dd410b6a25.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-056f10d3df8fc98c.rlib" "/opt/rustwide/target/debug/deps/libmemchr-e6bbee201eb478c9.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-c25dc19d7487cdf7.rlib" "/opt/rustwide/target/debug/deps/libnix-2147a7788e356203.rlib" "/opt/rustwide/target/debug/deps/libvoid-908b01a274af8ae5.rlib" "/opt/rustwide/target/debug/deps/libbytes-f9722f4a58d01006.rlib" "/opt/rustwide/target/debug/deps/libiovec-00a6ed33fb810670.rlib" "/opt/rustwide/target/debug/deps/libnet2-ba46225122902831.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-81c3651d70dd4895.rlib" "/opt/rustwide/target/debug/deps/libgpio-9f40d0dd2367828c.rlib" "/opt/rustwide/target/debug/deps/libclap-053e145e17446757.rlib" "/opt/rustwide/target/debug/deps/libvec_map-dab3909866655c61.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-508af543a849ebaf.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e91030079211fd3f.rlib" "/opt/rustwide/target/debug/deps/libstrsim-c0d73e3d44b574a0.rlib" "/opt/rustwide/target/debug/deps/libbitflags-05dfd5b5d1225bed.rlib" "/opt/rustwide/target/debug/deps/libatty-154b1ab39f29b4e8.rlib" "/opt/rustwide/target/debug/deps/liblibc-8c0b0c2149eecc9d.rlib" "/opt/rustwide/target/debug/deps/libansi_term-76ca62e328105e50.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-4d098c56eb4115f5.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ledcat-f7ee3fc68f34f2e6" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs" [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; 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ledcat` due to 2 previous errors; 30 warnings emitted [INFO] running `Command { std: "docker" "inspect" "04c848e17a0417dd1af2bcdf0ef872318c31bb01caed87ce6533cc36611eb819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04c848e17a0417dd1af2bcdf0ef872318c31bb01caed87ce6533cc36611eb819", kill_on_drop: false }` [INFO] [stdout] 04c848e17a0417dd1af2bcdf0ef872318c31bb01caed87ce6533cc36611eb819