[INFO] fetching crate strand 0.1.2... [INFO] testing strand-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate strand 0.1.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate strand 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc8b4301ae5fb6b7ac44f7deb8ccc898bc55f73b2cd20fa9eab582a1ba2ca247 [INFO] running `Command { std: "docker" "start" "-a" "fc8b4301ae5fb6b7ac44f7deb8ccc898bc55f73b2cd20fa9eab582a1ba2ca247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc8b4301ae5fb6b7ac44f7deb8ccc898bc55f73b2cd20fa9eab582a1ba2ca247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc8b4301ae5fb6b7ac44f7deb8ccc898bc55f73b2cd20fa9eab582a1ba2ca247", kill_on_drop: false }` [INFO] [stdout] fc8b4301ae5fb6b7ac44f7deb8ccc898bc55f73b2cd20fa9eab582a1ba2ca247 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c73cfe2ba747f16af97caf6ead8e814bb0b95fbdc43da18bfd89b5f7200959db [INFO] running `Command { std: "docker" "start" "-a" "c73cfe2ba747f16af97caf6ead8e814bb0b95fbdc43da18bfd89b5f7200959db", 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) -> Result<(), Errors>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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(self) -> Box+Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result<(), Errors> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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(self) -> Box+Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "c73cfe2ba747f16af97caf6ead8e814bb0b95fbdc43da18bfd89b5f7200959db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c73cfe2ba747f16af97caf6ead8e814bb0b95fbdc43da18bfd89b5f7200959db", kill_on_drop: false }` [INFO] [stdout] c73cfe2ba747f16af97caf6ead8e814bb0b95fbdc43da18bfd89b5f7200959db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1194c8cbd484de2cf594fae3dd7eadc02060bf150c523dfa5d8ffcc615468fd9 [INFO] running `Command { std: "docker" "start" "-a" "1194c8cbd484de2cf594fae3dd7eadc02060bf150c523dfa5d8ffcc615468fd9", kill_on_drop: false }` [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) -> Result<(), Errors>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [INFO] [stdout] [INFO] [stdout] [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:20:33 [INFO] [stdout] | [INFO] [stdout] 20 | fn as_event(self) -> Box+Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result<(), Errors> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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(self) -> Box+Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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) -> Result<(), Errors>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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(self) -> Box+Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result<(), Errors> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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(self) -> Box+Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "1194c8cbd484de2cf594fae3dd7eadc02060bf150c523dfa5d8ffcc615468fd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1194c8cbd484de2cf594fae3dd7eadc02060bf150c523dfa5d8ffcc615468fd9", kill_on_drop: false }` [INFO] [stdout] 1194c8cbd484de2cf594fae3dd7eadc02060bf150c523dfa5d8ffcc615468fd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6daa0d18d46151c0a59c099303746394654fdd0a16067ce7552ac9e77c4095a0 [INFO] running `Command { std: "docker" "start" "-a" "6daa0d18d46151c0a59c099303746394654fdd0a16067ce7552ac9e77c4095a0", 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/mutable.rs:16:42 [INFO] [stderr] | [INFO] [stderr] 16 | fn evolve<'a>(&'a mut self, event: &'a Event) -> Result<(), Errors>; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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(self) -> Box+Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result<(), Errors> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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) -> Result; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [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(self) -> Box+Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event+Send` [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 [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) -> Result{ [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Event` [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 [INFO] [stderr] [INFO] [stderr] warning: `strand` (lib) generated 6 warnings [INFO] [stderr] warning: `strand` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/strand-f3f5c2bd68c63226) [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] [stderr] Running tests/immutable.rs (/opt/rustwide/target/debug/deps/immutable-732ea5b6170bd319) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/mutable.rs (/opt/rustwide/target/debug/deps/mutable-b6d46fc8be67d026) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Doc-tests strand [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; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6daa0d18d46151c0a59c099303746394654fdd0a16067ce7552ac9e77c4095a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6daa0d18d46151c0a59c099303746394654fdd0a16067ce7552ac9e77c4095a0", kill_on_drop: false }` [INFO] [stdout] 6daa0d18d46151c0a59c099303746394654fdd0a16067ce7552ac9e77c4095a0