[INFO] fetching crate victorem 0.8.2...
[INFO] testing victorem-0.8.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate victorem 0.8.2 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate victorem 0.8.2 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 victorem 0.8.2
[INFO] finished tweaking crates.io crate victorem 0.8.2
[INFO] tweaked toml for crates.io crate victorem 0.8.2 written to /workspace/builds/worker-21/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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d76e6efb1a69b819812202bf2a225a4970fcb136bde83a1a1e1e3c179a964b7c
[INFO] running `Command { std: "docker" "start" "-a" "d76e6efb1a69b819812202bf2a225a4970fcb136bde83a1a1e1e3c179a964b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d76e6efb1a69b819812202bf2a225a4970fcb136bde83a1a1e1e3c179a964b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76e6efb1a69b819812202bf2a225a4970fcb136bde83a1a1e1e3c179a964b7c", kill_on_drop: false }`
[INFO] [stdout] d76e6efb1a69b819812202bf2a225a4970fcb136bde83a1a1e1e3c179a964b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] faabf1bf2085a638b6c508878d511cc8e3973013790a3aacd24801a351c76ef6
[INFO] running `Command { std: "docker" "start" "-a" "faabf1bf2085a638b6c508878d511cc8e3973013790a3aacd24801a351c76ef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling victorem v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/business_logic_layer/key.rs:59:36
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_valid(&self, value: &IWithKey) -> bool {
[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 2018) 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] 59 -     pub fn is_valid(&self, value: &IWithKey) -> bool {
[INFO] [stdout] 59 +     pub fn is_valid(&self, value: &dyn IWithKey) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.78s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faabf1bf2085a638b6c508878d511cc8e3973013790a3aacd24801a351c76ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faabf1bf2085a638b6c508878d511cc8e3973013790a3aacd24801a351c76ef6", kill_on_drop: false }`
[INFO] [stdout] faabf1bf2085a638b6c508878d511cc8e3973013790a3aacd24801a351c76ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 519f220823361e68ba3972794fb3ddde517580744dbd4ac5c22810a25adfd277
[INFO] running `Command { std: "docker" "start" "-a" "519f220823361e68ba3972794fb3ddde517580744dbd4ac5c22810a25adfd277", kill_on_drop: false }`
[INFO] [stderr]    Compiling victorem v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/business_logic_layer/key.rs:59:36
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_valid(&self, value: &IWithKey) -> bool {
[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 2018) 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] 59 -     pub fn is_valid(&self, value: &IWithKey) -> bool {
[INFO] [stdout] 59 +     pub fn is_valid(&self, value: &dyn IWithKey) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/test.rs:218:22
[INFO] [stdout]     |
[INFO] [stdout] 218 |     next: Option<Box<Middleware<i32>>>,
[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 2018) 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] 218 -     next: Option<Box<Middleware<i32>>>,
[INFO] [stdout] 218 +     next: Option<Box<dyn Middleware<i32>>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/test.rs:184:53
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn execute(&mut self, data: T) -> Result<T, Box<Error>>;
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 184 -     fn execute(&mut self, data: T) -> Result<T, Box<Error>>;
[INFO] [stdout] 184 +     fn execute(&mut self, data: T) -> Result<T, Box<dyn Error>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/test.rs:186:49
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn run(&mut self, data: T) -> Result<T, Box<Error>> {
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 186 -     fn run(&mut self, data: T) -> Result<T, Box<Error>> {
[INFO] [stdout] 186 +     fn run(&mut self, data: T) -> Result<T, Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/test.rs:222:57
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn execute(&mut self, data: i32) -> Result<i32, Box<Error>> {
[INFO] [stdout]     |                                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 222 -     fn execute(&mut self, data: i32) -> Result<i32, Box<Error>> {
[INFO] [stdout] 222 +     fn execute(&mut self, data: i32) -> Result<i32, Box<dyn Error>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/test.rs:226:43
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn next(&mut self) -> &mut Option<Box<Middleware<i32>>> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 226 -     fn next(&mut self) -> &mut Option<Box<Middleware<i32>>> {
[INFO] [stdout] 226 +     fn next(&mut self) -> &mut Option<Box<dyn Middleware<i32>>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compose`
[INFO] [stdout]    --> tests/test.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn compose<T: From<U>, U>(
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `curry`
[INFO] [stdout]    --> tests/test.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn curry<T, U, Z>(x: T, f: impl FnOnce(T, U) -> Z) -> impl FnOnce(U) -> Z {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]    --> tests/test.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn add(x: i32, y: i32) -> i32 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_static`
[INFO] [stdout]    --> tests/test.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn add_static(mut x: i32) -> impl FnMut(i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/test.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     client.send(vec![1u8]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/test.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     client.send(vec![1u8]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/test.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     client.send(vec![1u8]);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/business_logic_layer/key.rs:59:36
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn is_valid(&self, value: &IWithKey) -> bool {
[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 2018) 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] 59 -     pub fn is_valid(&self, value: &IWithKey) -> bool {
[INFO] [stdout] 59 +     pub fn is_valid(&self, value: &dyn IWithKey) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command2`
[INFO] [stdout]    --> src/business_logic_layer/mod.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let command2 = client.send(vec![2]);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/business_logic_layer/mod.rs:204:14
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let (b, commands) = client.recv(state1).unwrap();
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command2`
[INFO] [stdout]    --> src/business_logic_layer/mod.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let command2 = client.send(vec![2]);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]    --> src/business_logic_layer/mod.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let r1 = server.recv(command1);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/victorem-fc0fdbc349a5278e)
[INFO] [stderr]   Executable tests/test.rs (/opt/rustwide/target/debug/deps/test-ffc669b08cf7c383)
[INFO] running `Command { std: "docker" "inspect" "519f220823361e68ba3972794fb3ddde517580744dbd4ac5c22810a25adfd277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519f220823361e68ba3972794fb3ddde517580744dbd4ac5c22810a25adfd277", kill_on_drop: false }`
[INFO] [stdout] 519f220823361e68ba3972794fb3ddde517580744dbd4ac5c22810a25adfd277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] ebd6232f75e90332c48de1cf0a4aadd2996db18a20e5d07ddb126464ef97b48e
[INFO] running `Command { std: "docker" "start" "-a" "ebd6232f75e90332c48de1cf0a4aadd2996db18a20e5d07ddb126464ef97b48e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/business_logic_layer/key.rs:59:36
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn is_valid(&self, value: &IWithKey) -> bool {
[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 2018) 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] 59 -     pub fn is_valid(&self, value: &IWithKey) -> bool {
[INFO] [stderr] 59 +     pub fn is_valid(&self, value: &dyn IWithKey) -> bool {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command2`
[INFO] [stderr]    --> src/business_logic_layer/mod.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let command2 = client.send(vec![2]);
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/business_logic_layer/mod.rs:204:14
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let (b, commands) = client.recv(state1).unwrap();
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command2`
[INFO] [stderr]    --> src/business_logic_layer/mod.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let command2 = client.send(vec![2]);
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r1`
[INFO] [stderr]    --> src/business_logic_layer/mod.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let r1 = server.recv(command1);
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stderr] 
[INFO] [stderr] warning: `victorem` (lib) generated 1 warning
[INFO] [stderr] warning: `victorem` (lib test) generated 5 warnings (1 duplicate)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:218:22
[INFO] [stderr]     |
[INFO] [stderr] 218 |     next: Option<Box<Middleware<i32>>>,
[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 2018) 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] 218 -     next: Option<Box<Middleware<i32>>>,
[INFO] [stderr] 218 +     next: Option<Box<dyn Middleware<i32>>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:184:53
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn execute(&mut self, data: T) -> Result<T, Box<Error>>;
[INFO] [stderr]     |                                                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 184 -     fn execute(&mut self, data: T) -> Result<T, Box<Error>>;
[INFO] [stderr] 184 +     fn execute(&mut self, data: T) -> Result<T, Box<dyn Error>>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:186:49
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn run(&mut self, data: T) -> Result<T, Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 186 -     fn run(&mut self, data: T) -> Result<T, Box<Error>> {
[INFO] [stderr] 186 +     fn run(&mut self, data: T) -> Result<T, Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:222:57
[INFO] [stderr]     |
[INFO] [stderr] 222 |     fn execute(&mut self, data: i32) -> Result<i32, Box<Error>> {
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 222 -     fn execute(&mut self, data: i32) -> Result<i32, Box<Error>> {
[INFO] [stderr] 222 +     fn execute(&mut self, data: i32) -> Result<i32, Box<dyn Error>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:226:43
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn next(&mut self) -> &mut Option<Box<Middleware<i32>>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) 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] 226 -     fn next(&mut self) -> &mut Option<Box<Middleware<i32>>> {
[INFO] [stderr] 226 +     fn next(&mut self) -> &mut Option<Box<dyn Middleware<i32>>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compose`
[INFO] [stderr]    --> tests/test.rs:195:4
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn compose<T: From<U>, U>(
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `curry`
[INFO] [stderr]    --> tests/test.rs:202:4
[INFO] [stderr]     |
[INFO] [stderr] 202 | fn curry<T, U, Z>(x: T, f: impl FnOnce(T, U) -> Z) -> impl FnOnce(U) -> Z {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]    --> tests/test.rs:206:4
[INFO] [stderr]     |
[INFO] [stderr] 206 | fn add(x: i32, y: i32) -> i32 {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_static`
[INFO] [stderr]    --> tests/test.rs:210:4
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn add_static(mut x: i32) -> impl FnMut(i32) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/test.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     client.send(vec![1u8]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/test.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     client.send(vec![1u8]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/test.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     client.send(vec![1u8]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `victorem` (test "test") generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/victorem-fc0fdbc349a5278e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test business_logic_layer::bll_test::client_should_recv_ordered_packets ... ok
[INFO] [stdout] test business_logic_layer::bll_test::client_should_resend_undelivered_packets ... ok
[INFO] [stdout] test business_logic_layer::bll_test::server_should_recv_ordered_and_reliable_packets ... ok
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-ffc669b08cf7c383)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test example::test_add ... ok
[INFO] [stdout] test example::test_add_proc ... ok
[INFO] [stdout] test example::test_mul ... ok
[INFO] [stdout] test example::test_mul_proc ... ok
[INFO] [stdout] test server_should_stop_if_handle_event_returns_false ... ok
[INFO] [stdout] test server_should_stop_if_handle_command_returns_false ... ok
[INFO] [stdout] test server_should_send_state_to_client_on_draw ... ok
[INFO] [stdout] test server_should_recv_commands_from_client ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests victorem
[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" "ebd6232f75e90332c48de1cf0a4aadd2996db18a20e5d07ddb126464ef97b48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd6232f75e90332c48de1cf0a4aadd2996db18a20e5d07ddb126464ef97b48e", kill_on_drop: false }`
[INFO] [stdout] ebd6232f75e90332c48de1cf0a4aadd2996db18a20e5d07ddb126464ef97b48e