[INFO] fetching crate strand 0.1.2...
[INFO] testing strand-0.1.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate strand 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate strand 0.1.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strand 0.1.2
[INFO] finished tweaking crates.io crate strand 0.1.2
[INFO] tweaked toml for crates.io crate strand 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62b91baf9cbe629aca71439b30309c31210410212453e924506d1900787174ec
[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" "62b91baf9cbe629aca71439b30309c31210410212453e924506d1900787174ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b91baf9cbe629aca71439b30309c31210410212453e924506d1900787174ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b91baf9cbe629aca71439b30309c31210410212453e924506d1900787174ec", kill_on_drop: false }`
[INFO] [stdout] 62b91baf9cbe629aca71439b30309c31210410212453e924506d1900787174ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a7a259e8040c18854a2753908850a344298fb58558a33c91b5a8aa0c39049be
[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" "6a7a259e8040c18854a2753908850a344298fb58558a33c91b5a8aa0c39049be", kill_on_drop: false }`
[INFO] [stderr]    Compiling strand v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T,S>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>{
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "6a7a259e8040c18854a2753908850a344298fb58558a33c91b5a8aa0c39049be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7a259e8040c18854a2753908850a344298fb58558a33c91b5a8aa0c39049be", kill_on_drop: false }`
[INFO] [stdout] 6a7a259e8040c18854a2753908850a344298fb58558a33c91b5a8aa0c39049be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01403dbcf76356aea2a204775e54952a87bbc83723d56ce146b597ac413a43e3
[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" "01403dbcf76356aea2a204775e54952a87bbc83723d56ce146b597ac413a43e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling strand v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T,S>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>{
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T,S>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>{
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "01403dbcf76356aea2a204775e54952a87bbc83723d56ce146b597ac413a43e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01403dbcf76356aea2a204775e54952a87bbc83723d56ce146b597ac413a43e3", kill_on_drop: false }`
[INFO] [stdout] 01403dbcf76356aea2a204775e54952a87bbc83723d56ce146b597ac413a43e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 26de132b4c1f732c668aa3bf38e6225e01a951fc4db59b1cc955fe19ba0c1bec
[INFO] running `Command { std: "docker" "start" "-a" "26de132b4c1f732c668aa3bf38e6225e01a951fc4db59b1cc955fe19ba0c1bec", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutable.rs:16:42
[INFO] [stderr]    |
[INFO] [stderr] 16 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutable.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn as_event<T,S>(self) -> Box<Event<T = T>+Send>;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutable.rs:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/immutable.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/immutable.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn as_event<T>(self) -> Box<Event<T = T>+Send>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/immutable.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>{
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutable.rs:16:42
[INFO] [stderr]    |
[INFO] [stderr] 16 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutable.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn as_event<T,S>(self) -> Box<Event<T = T>+Send>;
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mutable.rs:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/immutable.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/immutable.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 |   fn as_event<T>(self) -> Box<Event<T = T>+Send>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/immutable.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>{
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/strand-7d49d96802e49d8e
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/immutable-fd5dd110cf26c0b9
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_branch ... ok
[INFO] [stdout] test tests::test_state_changes ... ok
[INFO] [stdout] test tests::test_unmet_pre_condition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mutable-31676398cc20429e
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_branch ... ok
[INFO] [stdout] test tests::test_state_changes ... ok
[INFO] [stderr]    Doc-tests strand
[INFO] [stdout] test tests::test_unmet_pre_condition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26de132b4c1f732c668aa3bf38e6225e01a951fc4db59b1cc955fe19ba0c1bec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26de132b4c1f732c668aa3bf38e6225e01a951fc4db59b1cc955fe19ba0c1bec", kill_on_drop: false }`
[INFO] [stdout] 26de132b4c1f732c668aa3bf38e6225e01a951fc4db59b1cc955fe19ba0c1bec
