[INFO] cloning repository https://github.com/sandhose/rust-simple-dht
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sandhose/rust-simple-dht" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandhose%2Frust-simple-dht", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandhose%2Frust-simple-dht'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a13cd9b91ea62dde51520aa76e5f02291bc8695b
[INFO] testing sandhose/rust-simple-dht 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%2Fsandhose%2Frust-simple-dht" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sandhose/rust-simple-dht 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/sandhose/rust-simple-dht
[INFO] finished tweaking git repo https://github.com/sandhose/rust-simple-dht
[INFO] tweaked toml for git repo https://github.com/sandhose/rust-simple-dht written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sandhose/rust-simple-dht 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8aa434552e877c00d75a5181d92ee1d91ae94695773692eb745f7f9cd09e6f75
[INFO] running `Command { std: "docker" "start" "-a" "8aa434552e877c00d75a5181d92ee1d91ae94695773692eb745f7f9cd09e6f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa434552e877c00d75a5181d92ee1d91ae94695773692eb745f7f9cd09e6f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa434552e877c00d75a5181d92ee1d91ae94695773692eb745f7f9cd09e6f75", kill_on_drop: false }`
[INFO] [stdout] 8aa434552e877c00d75a5181d92ee1d91ae94695773692eb745f7f9cd09e6f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c3d6f3f04d7c9699923a77ee7d785a69c75e520f4a0d5be48392d8f4283cba4
[INFO] running `Command { std: "docker" "start" "-a" "8c3d6f3f04d7c9699923a77ee7d785a69c75e520f4a0d5be48392d8f4283cba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tokio-core v0.1.11
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling structopt v0.1.6
[INFO] [stderr]    Compiling simple_dht 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/messages.rs:263:34
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, 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] 187 -     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, Error = ()>> {
[INFO] [stdout] 187 +     pub fn process(&self, msg: Message) -> Box<dyn Stream<Item = Message, Error = ()>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:268:30
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn run(&self) -> Box<Future<Item = (), 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] 268 -     pub fn run(&self) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout] 268 +     pub fn run(&self) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 | ) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 90 - ) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout] 90 + ) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | ) -> Box<Future<Item = (), 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] 14 - ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout] 14 + ) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:86:64
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 86 - pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout] 86 + pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[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/messages.rs:100:28
[INFO] [stdout]     |
[INFO] [stdout] 100 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.08s
[INFO] running `Command { std: "docker" "inspect" "8c3d6f3f04d7c9699923a77ee7d785a69c75e520f4a0d5be48392d8f4283cba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3d6f3f04d7c9699923a77ee7d785a69c75e520f4a0d5be48392d8f4283cba4", kill_on_drop: false }`
[INFO] [stdout] 8c3d6f3f04d7c9699923a77ee7d785a69c75e520f4a0d5be48392d8f4283cba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5466caa43eba65899586ad24b65f3294b7103b80519df9c3dc9033ce8312eff3
[INFO] running `Command { std: "docker" "start" "-a" "5466caa43eba65899586ad24b65f3294b7103b80519df9c3dc9033ce8312eff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_dht 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/messages.rs:263:34
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, 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] 187 -     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, Error = ()>> {
[INFO] [stdout] 187 +     pub fn process(&self, msg: Message) -> Box<dyn Stream<Item = Message, Error = ()>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:268:30
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn run(&self) -> Box<Future<Item = (), 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] 268 -     pub fn run(&self) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout] 268 +     pub fn run(&self) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 | ) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 90 - ) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout] 90 + ) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | ) -> Box<Future<Item = (), 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] 14 - ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout] 14 + ) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:86:64
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 86 - pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout] 86 + pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[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/messages.rs:100:28
[INFO] [stdout]     |
[INFO] [stdout] 100 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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/messages.rs:263:34
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, 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] 187 -     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, Error = ()>> {
[INFO] [stdout] 187 +     pub fn process(&self, msg: Message) -> Box<dyn Stream<Item = Message, Error = ()>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:268:30
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn run(&self) -> Box<Future<Item = (), 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] 268 -     pub fn run(&self) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout] 268 +     pub fn run(&self) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 | ) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 90 - ) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout] 90 + ) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | ) -> Box<Future<Item = (), 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] 14 - ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout] 14 + ) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:86:64
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 86 - pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stdout] 86 + pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[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/messages.rs:100:28
[INFO] [stdout]     |
[INFO] [stdout] 100 |         fmt.write_str(self.description())
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_dht-6dbd428ab13eb7d2)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_dht-7057ac7282741755)
[INFO] running `Command { std: "docker" "inspect" "5466caa43eba65899586ad24b65f3294b7103b80519df9c3dc9033ce8312eff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5466caa43eba65899586ad24b65f3294b7103b80519df9c3dc9033ce8312eff3", kill_on_drop: false }`
[INFO] [stdout] 5466caa43eba65899586ad24b65f3294b7103b80519df9c3dc9033ce8312eff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 38d20791830e5e6bb15b9067aed2ad64cc56be30d069a71f3f8ecb5ec6d5aed3
[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" "38d20791830e5e6bb15b9067aed2ad64cc56be30d069a71f3f8ecb5ec6d5aed3", 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/messages.rs:263:34
[INFO] [stderr]     |
[INFO] [stderr] 263 |         write!(fmt, "{}", Error::description(self))
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/state.rs:187:48
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, 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] 187 -     pub fn process(&self, msg: Message) -> Box<Stream<Item = Message, Error = ()>> {
[INFO] [stderr] 187 +     pub fn process(&self, msg: Message) -> Box<dyn Stream<Item = Message, Error = ()>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/state.rs:268:30
[INFO] [stderr]     |
[INFO] [stderr] 268 |     pub fn run(&self) -> Box<Future<Item = (), 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] 268 -     pub fn run(&self) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stderr] 268 +     pub fn run(&self) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:90:10
[INFO] [stderr]    |
[INFO] [stderr] 90 | ) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 90 - ) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stderr] 90 + ) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | ) -> Box<Future<Item = (), 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] 14 - ) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stderr] 14 + ) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cli.rs:86:64
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[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] 86 - pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<Future<Item = (), Error = ()> + 'a> {
[INFO] [stderr] 86 + pub fn prompt<'a>(state: &'a State, handle: &'a Handle) -> Box<dyn Future<Item = (), Error = ()> + 'a> {
[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/messages.rs:100:28
[INFO] [stderr]     |
[INFO] [stderr] 100 |         fmt.write_str(self.description())
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_dht` (lib) generated 7 warnings
[INFO] [stderr] warning: `simple_dht` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_dht-6dbd428ab13eb7d2)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test messages::tests::format_hash ... ok
[INFO] [stdout] test messages::tests::serialize_put ... ok
[INFO] [stdout] test state::tests::store_hashes ... ok
[INFO] [stdout] test messages::tests::serialize_get ... ok
[INFO] [stdout] test state::tests::process_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_dht-7057ac7282741755)
[INFO] [stderr]    Doc-tests simple_dht
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/messages.rs - messages::Hash::new (line 40) ... ok
[INFO] [stdout] test src/messages.rs - messages::Message::serialize (line 321) ... ok
[INFO] [stdout] test src/messages.rs - messages::Message::deserialize (line 339) ... ok
[INFO] [stdout] test src/messages.rs - messages::Hash::from_str (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38d20791830e5e6bb15b9067aed2ad64cc56be30d069a71f3f8ecb5ec6d5aed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d20791830e5e6bb15b9067aed2ad64cc56be30d069a71f3f8ecb5ec6d5aed3", kill_on_drop: false }`
[INFO] [stdout] 38d20791830e5e6bb15b9067aed2ad64cc56be30d069a71f3f8ecb5ec6d5aed3