[INFO] fetching crate ssd1325 0.1.0...
[INFO] testing ssd1325-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ssd1325 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ssd1325 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssd1325 0.1.0
[INFO] finished tweaking crates.io crate ssd1325 0.1.0
[INFO] tweaked toml for crates.io crate ssd1325 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1c848c42dcbeea77a902e05cfdc182f239110fda96476ced6743a7d1994bfd8
[INFO] running `Command { std: "docker" "start" "-a" "c1c848c42dcbeea77a902e05cfdc182f239110fda96476ced6743a7d1994bfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1c848c42dcbeea77a902e05cfdc182f239110fda96476ced6743a7d1994bfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c848c42dcbeea77a902e05cfdc182f239110fda96476ced6743a7d1994bfd8", kill_on_drop: false }`
[INFO] [stdout] c1c848c42dcbeea77a902e05cfdc182f239110fda96476ced6743a7d1994bfd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 736d54c03ffb1e823b020d8974df639a80740af67aa4d5a4c92ef5afdc370afd
[INFO] running `Command { std: "docker" "start" "-a" "736d54c03ffb1e823b020d8974df639a80740af67aa4d5a4c92ef5afdc370afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ssd1325 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:181:22
[INFO] [stdout]     |
[INFO] [stdout] 181 |   transport: &'a mut io::Write,
[INFO] [stdout]     |                      ^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 181 -   transport: &'a mut io::Write,
[INFO] [stdout] 181 +   transport: &'a mut dyn io::Write,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |   control_channel: &'a mut ControlChannel,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 -   control_channel: &'a mut ControlChannel,
[INFO] [stdout] 183 +   control_channel: &'a mut dyn ControlChannel,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:114
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                                                                                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<dyn error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:56
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut dyn FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:81
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<dyn error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:33
[INFO] [stdout]     |
[INFO] [stdout] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     |                                 ^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout] 194 +   pub fn new(transport: &'a mut dyn io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:69
[INFO] [stdout]     |
[INFO] [stdout] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout] 194 +   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut dyn ControlChannel) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:202:43
[INFO] [stdout]     |
[INFO] [stdout] 202 |   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 202 -   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 202 +   pub fn init(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:44
[INFO] [stdout]     |
[INFO] [stdout] 253 |   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 253 +   pub fn clear(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:267:55
[INFO] [stdout]     |
[INFO] [stdout] 267 |   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 267 -   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 267 +   pub fn set_on(&mut self, on: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:277:67
[INFO] [stdout]     |
[INFO] [stdout] 277 |   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 277 -   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 277 +   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:290:70
[INFO] [stdout]     |
[INFO] [stdout] 290 |   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 -   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 290 +   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:318:40
[INFO] [stdout]     |
[INFO] [stdout] 318 |   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 318 -   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 318 +   fn reset(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:82
[INFO] [stdout]     |
[INFO] [stdout] 333 |   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 333 -   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 333 +   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:145:31
[INFO] [stdout]     |
[INFO] [stdout] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout] 145 +     write!(f, "{}", (self as &dyn error::Error).description())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "736d54c03ffb1e823b020d8974df639a80740af67aa4d5a4c92ef5afdc370afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736d54c03ffb1e823b020d8974df639a80740af67aa4d5a4c92ef5afdc370afd", kill_on_drop: false }`
[INFO] [stdout] 736d54c03ffb1e823b020d8974df639a80740af67aa4d5a4c92ef5afdc370afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a941a65cfb96168e230dfc532fd5dea0fba096ed5edb83519531c00b1f0f8e
[INFO] running `Command { std: "docker" "start" "-a" "18a941a65cfb96168e230dfc532fd5dea0fba096ed5edb83519531c00b1f0f8e", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:181:22
[INFO] [stdout]     |
[INFO] [stdout] 181 |   transport: &'a mut io::Write,
[INFO] [stdout]     |                      ^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 181 -   transport: &'a mut io::Write,
[INFO] [stdout] 181 +   transport: &'a mut dyn io::Write,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |   control_channel: &'a mut ControlChannel,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 -   control_channel: &'a mut ControlChannel,
[INFO] [stdout] 183 +   control_channel: &'a mut dyn ControlChannel,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:114
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                                                                                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<dyn error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:56
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut dyn FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ssd1325 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:81
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<dyn error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:33
[INFO] [stdout]     |
[INFO] [stdout] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     |                                 ^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout] 194 +   pub fn new(transport: &'a mut dyn io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:69
[INFO] [stdout]     |
[INFO] [stdout] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout] 194 +   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut dyn ControlChannel) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:202:43
[INFO] [stdout]     |
[INFO] [stdout] 202 |   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 202 -   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 202 +   pub fn init(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:44
[INFO] [stdout]     |
[INFO] [stdout] 253 |   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 253 +   pub fn clear(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:267:55
[INFO] [stdout]     |
[INFO] [stdout] 267 |   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 267 -   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 267 +   pub fn set_on(&mut self, on: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:277:67
[INFO] [stdout]     |
[INFO] [stdout] 277 |   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 277 -   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 277 +   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:290:70
[INFO] [stdout]     |
[INFO] [stdout] 290 |   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 -   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 290 +   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:318:40
[INFO] [stdout]     |
[INFO] [stdout] 318 |   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 318 -   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 318 +   fn reset(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:82
[INFO] [stdout]     |
[INFO] [stdout] 333 |   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 333 -   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 333 +   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:145:31
[INFO] [stdout]     |
[INFO] [stdout] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout] 145 +     write!(f, "{}", (self as &dyn error::Error).description())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:181:22
[INFO] [stdout]     |
[INFO] [stdout] 181 |   transport: &'a mut io::Write,
[INFO] [stdout]     |                      ^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 181 -   transport: &'a mut io::Write,
[INFO] [stdout] 181 +   transport: &'a mut dyn io::Write,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |   control_channel: &'a mut ControlChannel,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 183 -   control_channel: &'a mut ControlChannel,
[INFO] [stdout] 183 +   control_channel: &'a mut dyn ControlChannel,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:114
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                                                                                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<dyn error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:56
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut dyn FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:81
[INFO] [stdout]     |
[INFO] [stdout] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<dyn error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:33
[INFO] [stdout]     |
[INFO] [stdout] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     |                                 ^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout] 194 +   pub fn new(transport: &'a mut dyn io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:69
[INFO] [stdout]     |
[INFO] [stdout] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stdout] 194 +   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut dyn ControlChannel) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:202:43
[INFO] [stdout]     |
[INFO] [stdout] 202 |   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 202 -   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 202 +   pub fn init(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:253:44
[INFO] [stdout]     |
[INFO] [stdout] 253 |   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 253 -   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 253 +   pub fn clear(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:267:55
[INFO] [stdout]     |
[INFO] [stdout] 267 |   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 267 -   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 267 +   pub fn set_on(&mut self, on: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:277:67
[INFO] [stdout]     |
[INFO] [stdout] 277 |   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 277 -   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 277 +   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:290:70
[INFO] [stdout]     |
[INFO] [stdout] 290 |   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 -   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 290 +   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:318:40
[INFO] [stdout]     |
[INFO] [stdout] 318 |   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 318 -   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 318 +   fn reset(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:333:82
[INFO] [stdout]     |
[INFO] [stdout] 333 |   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 333 -   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 333 +   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/integration_test.rs:31:123
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout]    |                                                                                                                           ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 31 +   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<dyn error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/integration_test.rs:31:65
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 31 +   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut dyn FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/integration_test.rs:31:90
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout]    |                                                                                          ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 -   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout] 31 +   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<dyn error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:145:31
[INFO] [stdout]     |
[INFO] [stdout] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout] 145 +     write!(f, "{}", (self as &dyn error::Error).description())
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ssd1325-7d201b1b2d4749f6)
[INFO] [stderr]   Executable tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-b9fc88b357b5cfee)
[INFO] running `Command { std: "docker" "inspect" "18a941a65cfb96168e230dfc532fd5dea0fba096ed5edb83519531c00b1f0f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a941a65cfb96168e230dfc532fd5dea0fba096ed5edb83519531c00b1f0f8e", kill_on_drop: false }`
[INFO] [stdout] 18a941a65cfb96168e230dfc532fd5dea0fba096ed5edb83519531c00b1f0f8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 196fe46c14bc95c0cc50fd6e5200c396c31f77aee5884b1f812d6dabdd75d57c
[INFO] running `Command { std: "docker" "start" "-a" "196fe46c14bc95c0cc50fd6e5200c396c31f77aee5884b1f812d6dabdd75d57c", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:181:22
[INFO] [stderr]     |
[INFO] [stderr] 181 |   transport: &'a mut io::Write,
[INFO] [stderr]     |                      ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 181 -   transport: &'a mut io::Write,
[INFO] [stderr] 181 +   transport: &'a mut dyn io::Write,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:183:28
[INFO] [stderr]     |
[INFO] [stderr] 183 |   control_channel: &'a mut ControlChannel,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 183 -   control_channel: &'a mut ControlChannel,
[INFO] [stderr] 183 +   control_channel: &'a mut dyn ControlChannel,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:175:114
[INFO] [stderr]     |
[INFO] [stderr] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr]     |                                                                                                                  ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<dyn error::Error>>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:175:56
[INFO] [stderr]     |
[INFO] [stderr] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut dyn FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:175:81
[INFO] [stderr]     |
[INFO] [stderr] 175 |   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 175 -   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr] 175 +   fn run_in_mode(&mut self, mode: DisplayMode, f: &mut FnMut() -> Result<(),Box<dyn error::Error>>) -> Result<(),Box<error::Error>>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:33
[INFO] [stderr]     |
[INFO] [stderr] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stderr]     |                                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stderr] 194 +   pub fn new(transport: &'a mut dyn io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:69
[INFO] [stderr]     |
[INFO] [stderr] 194 |   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 194 -   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut ControlChannel) -> Self {
[INFO] [stderr] 194 +   pub fn new(transport: &'a mut io::Write, control_channel: &'a mut dyn ControlChannel) -> Self {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:202:43
[INFO] [stderr]     |
[INFO] [stderr] 202 |   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 202 -   pub fn init(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 202 +   pub fn init(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:253:44
[INFO] [stderr]     |
[INFO] [stderr] 253 |   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 253 -   pub fn clear(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 253 +   pub fn clear(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:267:55
[INFO] [stderr]     |
[INFO] [stderr] 267 |   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 267 -   pub fn set_on(&mut self, on: bool) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 267 +   pub fn set_on(&mut self, on: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:277:67
[INFO] [stderr]     |
[INFO] [stderr] 277 |   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 277 -   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 277 +   pub fn set_inverted(&mut self, inverted: bool) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:290:70
[INFO] [stderr]     |
[INFO] [stderr] 290 |   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 290 -   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 290 +   pub fn blit_l1(&mut self, frame: &[[u8; 16]; 64]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:318:40
[INFO] [stderr]     |
[INFO] [stderr] 318 |   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 318 -   fn reset(&mut self) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 318 +   fn reset(&mut self) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:333:82
[INFO] [stderr]     |
[INFO] [stderr] 333 |   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 333 -   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 333 +   fn write_sequence(&mut self, mode: DisplayMode, bytes: &[u8]) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:145:31
[INFO] [stderr]     |
[INFO] [stderr] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stderr]     |                               ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 145 -     write!(f, "{}", (self as &error::Error).description())
[INFO] [stderr] 145 +     write!(f, "{}", (self as &dyn error::Error).description())
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:145:45
[INFO] [stderr]     |
[INFO] [stderr] 145 |     write!(f, "{}", (self as &error::Error).description())
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ssd1325` (lib) generated 16 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/integration_test.rs:31:123
[INFO] [stderr]    |
[INFO] [stderr] 31 |   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr]    |                                                                                                                           ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 31 -   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 31 +   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<dyn error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/integration_test.rs:31:65
[INFO] [stderr]    |
[INFO] [stderr] 31 |   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 31 -   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 31 +   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut dyn FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/integration_test.rs:31:90
[INFO] [stderr]    |
[INFO] [stderr] 31 |   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 31 -   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr] 31 +   fn run_in_mode(&mut self, mode: ssd1325::DisplayMode, f: &mut FnMut() -> Result<(),Box<dyn error::Error>>) -> Result<(),Box<error::Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `ssd1325` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr] warning: `ssd1325` (test "integration_test") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ssd1325-7d201b1b2d4749f6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_unpack_line ... ok
[INFO] [stdout] test tests::test_unpack_pixels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-b9fc88b357b5cfee)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_clear ... ok
[INFO] [stdout] test test_blit_l1 ... ok
[INFO] [stdout] test test_set_on_off ... ok
[INFO] [stdout] test test_simulate_control_error ... ok
[INFO] [stdout] test test_simulate_write_error ... ok
[INFO] [stdout] test test_simulate_write_zero_length ... ok
[INFO] [stdout] test test_set_inverted_normal ... ok
[INFO] [stdout] test test_init ... ok
[INFO] [stderr]    Doc-tests ssd1325
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "196fe46c14bc95c0cc50fd6e5200c396c31f77aee5884b1f812d6dabdd75d57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196fe46c14bc95c0cc50fd6e5200c396c31f77aee5884b1f812d6dabdd75d57c", kill_on_drop: false }`
[INFO] [stdout] 196fe46c14bc95c0cc50fd6e5200c396c31f77aee5884b1f812d6dabdd75d57c