[INFO] cloning repository https://github.com/danieldulaney/nmcu-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danieldulaney/nmcu-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanieldulaney%2Fnmcu-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanieldulaney%2Fnmcu-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ba6d902b4f360804aef17db8af42acd51a76cc8
[INFO] testing danieldulaney/nmcu-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanieldulaney%2Fnmcu-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danieldulaney/nmcu-rs 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 git repo https://github.com/danieldulaney/nmcu-rs
[INFO] finished tweaking git repo https://github.com/danieldulaney/nmcu-rs
[INFO] tweaked toml for git repo https://github.com/danieldulaney/nmcu-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/danieldulaney/nmcu-rs already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf678865f421bc6fe46d16751f27b89b72f1b21ad24b7198ff099b2c00ec7971
[INFO] running `Command { std: "docker" "start" "-a" "cf678865f421bc6fe46d16751f27b89b72f1b21ad24b7198ff099b2c00ec7971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf678865f421bc6fe46d16751f27b89b72f1b21ad24b7198ff099b2c00ec7971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf678865f421bc6fe46d16751f27b89b72f1b21ad24b7198ff099b2c00ec7971", kill_on_drop: false }`
[INFO] [stdout] cf678865f421bc6fe46d16751f27b89b72f1b21ad24b7198ff099b2c00ec7971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5bfb6617a7a85800f31ba18ab6519c8ab9465a00a3058c748051ded29c2f33
[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" "0d5bfb6617a7a85800f31ba18ab6519c8ab9465a00a3058c748051ded29c2f33", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling serialport v2.3.0
[INFO] [stderr]    Compiling env_logger v0.5.7
[INFO] [stderr]    Compiling mio-serial v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling nmcu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |     }
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/echostrip.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     destination: Box<Recieve>,
[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] 5 -     destination: Box<Recieve>,
[INFO] [stdout] 5 +     destination: Box<dyn Recieve>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     inner: Box<Recieve>,
[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] 15 -     inner: Box<Recieve>,
[INFO] [stdout] 15 +     inner: Box<dyn Recieve>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eventloop.rs:73:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |     mut reciever: Box<Recieve>,
[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] 73 -     mut reciever: Box<Recieve>,
[INFO] [stdout] 73 +     mut reciever: Box<dyn Recieve>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/commandline.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new() -> Box<Recieve> {
[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] 7 -     pub fn new() -> Box<Recieve> {
[INFO] [stdout] 7 +     pub fn new() -> Box<dyn Recieve> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/list.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(_long_mode: bool) -> Box<Recieve> {
[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] 6 -     pub fn new(_long_mode: bool) -> Box<Recieve> {
[INFO] [stdout] 6 +     pub fn new(_long_mode: bool) -> Box<dyn Recieve> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/echostrip.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[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] 10 -     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 10 +     pub fn new(destination: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/echostrip.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[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] 10 -     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 10 +     pub fn new(destination: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[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] 29 -     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 29 +     pub fn new(inner: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[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] 29 -     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 29 +     pub fn new(inner: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[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] 36 -     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 36 +     pub fn start_synched(inner: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[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] 36 -     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 36 +     pub fn start_synched(inner: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let handler: Box<Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[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] 71 -     let handler: Box<Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[INFO] [stdout] 71 +     let handler: Box<dyn Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |     }
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "0d5bfb6617a7a85800f31ba18ab6519c8ab9465a00a3058c748051ded29c2f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5bfb6617a7a85800f31ba18ab6519c8ab9465a00a3058c748051ded29c2f33", kill_on_drop: false }`
[INFO] [stdout] 0d5bfb6617a7a85800f31ba18ab6519c8ab9465a00a3058c748051ded29c2f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 3d6f0aaa86652ba3283d3e34f901ba3e597d62a0465d50bc56ddce9e4106d309
[INFO] running `Command { std: "docker" "start" "-a" "3d6f0aaa86652ba3283d3e34f901ba3e597d62a0465d50bc56ddce9e4106d309", kill_on_drop: false }`
[INFO] [stderr]    Compiling nmcu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |     }
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/echostrip.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     destination: Box<Recieve>,
[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] 5 -     destination: Box<Recieve>,
[INFO] [stdout] 5 +     destination: Box<dyn Recieve>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     inner: Box<Recieve>,
[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] 15 -     inner: Box<Recieve>,
[INFO] [stdout] 15 +     inner: Box<dyn Recieve>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/eventloop.rs:73:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |     mut reciever: Box<Recieve>,
[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] 73 -     mut reciever: Box<Recieve>,
[INFO] [stdout] 73 +     mut reciever: Box<dyn Recieve>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/commandline.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new() -> Box<Recieve> {
[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] 7 -     pub fn new() -> Box<Recieve> {
[INFO] [stdout] 7 +     pub fn new() -> Box<dyn Recieve> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/list.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(_long_mode: bool) -> Box<Recieve> {
[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] 6 -     pub fn new(_long_mode: bool) -> Box<Recieve> {
[INFO] [stdout] 6 +     pub fn new(_long_mode: bool) -> Box<dyn Recieve> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/echostrip.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[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] 10 -     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 10 +     pub fn new(destination: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/echostrip.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[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] 10 -     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 10 +     pub fn new(destination: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:29:44
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[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] 29 -     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 29 +     pub fn new(inner: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[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] 29 -     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 29 +     pub fn new(inner: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[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] 36 -     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 36 +     pub fn start_synched(inner: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/synch.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[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] 36 -     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stdout] 36 +     pub fn start_synched(inner: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let handler: Box<Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[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] 71 -     let handler: Box<Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[INFO] [stdout] 71 +     let handler: Box<dyn Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/errors.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Io(::std::io::Error);
[INFO] [stdout] 4 | |     }
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/nmcu-7d9e4b9e131b8ed8)
[INFO] running `Command { std: "docker" "inspect" "3d6f0aaa86652ba3283d3e34f901ba3e597d62a0465d50bc56ddce9e4106d309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6f0aaa86652ba3283d3e34f901ba3e597d62a0465d50bc56ddce9e4106d309", kill_on_drop: false }`
[INFO] [stdout] 3d6f0aaa86652ba3283d3e34f901ba3e597d62a0465d50bc56ddce9e4106d309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 617a3734c802ee1c2b9c162750dfa2477fe8ead2c33d86fbf392230f90c19c4d
[INFO] running `Command { std: "docker" "start" "-a" "617a3734c802ee1c2b9c162750dfa2477fe8ead2c33d86fbf392230f90c19c4d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |     }
[INFO] [stderr] 5 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/echostrip.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     destination: Box<Recieve>,
[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] 5 -     destination: Box<Recieve>,
[INFO] [stderr] 5 +     destination: Box<dyn Recieve>,
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/synch.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     inner: Box<Recieve>,
[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] 15 -     inner: Box<Recieve>,
[INFO] [stderr] 15 +     inner: Box<dyn Recieve>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eventloop.rs:73:23
[INFO] [stderr]    |
[INFO] [stderr] 73 |     mut reciever: Box<Recieve>,
[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] 73 -     mut reciever: Box<Recieve>,
[INFO] [stderr] 73 +     mut reciever: Box<dyn Recieve>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/commandline.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new() -> Box<Recieve> {
[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] 7 -     pub fn new() -> Box<Recieve> {
[INFO] [stderr] 7 +     pub fn new() -> Box<dyn Recieve> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/list.rs:6:41
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new(_long_mode: bool) -> Box<Recieve> {
[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] 6 -     pub fn new(_long_mode: bool) -> Box<Recieve> {
[INFO] [stderr] 6 +     pub fn new(_long_mode: bool) -> Box<dyn Recieve> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/echostrip.rs:10:50
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[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] 10 -     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[INFO] [stderr] 10 +     pub fn new(destination: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/echostrip.rs:10:33
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[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] 10 -     pub fn new(destination: Box<Recieve>) -> Box<Recieve> {
[INFO] [stderr] 10 +     pub fn new(destination: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/synch.rs:29:44
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[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] 29 -     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stderr] 29 +     pub fn new(inner: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/synch.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[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] 29 -     pub fn new(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stderr] 29 +     pub fn new(inner: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/synch.rs:36:54
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[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] 36 -     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stderr] 36 +     pub fn start_synched(inner: Box<Recieve>) -> Box<dyn Recieve> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/synch.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[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] 36 -     pub fn start_synched(inner: Box<Recieve>) -> Box<Recieve> {
[INFO] [stderr] 36 +     pub fn start_synched(inner: Box<dyn Recieve>) -> Box<Recieve> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let handler: Box<Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[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] 71 -     let handler: Box<Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[INFO] [stderr] 71 +     let handler: Box<dyn Recieve> = if let Some(matches) = matches.subcommand_matches("list") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |     }
[INFO] [stderr] 5 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `nmcu` (bin "nmcu" test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nmcu-7d9e4b9e131b8ed8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test synch::test::test_ends_with ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "617a3734c802ee1c2b9c162750dfa2477fe8ead2c33d86fbf392230f90c19c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617a3734c802ee1c2b9c162750dfa2477fe8ead2c33d86fbf392230f90c19c4d", kill_on_drop: false }`
[INFO] [stdout] 617a3734c802ee1c2b9c162750dfa2477fe8ead2c33d86fbf392230f90c19c4d