[INFO] fetching crate recs 2.0.1...
[INFO] testing recs-2.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate recs 2.0.1 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate recs 2.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recs 2.0.1
[INFO] finished tweaking crates.io crate recs 2.0.1
[INFO] tweaked toml for crates.io crate recs 2.0.1 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 482fbc4f4ff60aabd4f9fb0813a285743d735c0aa3a75a67dd50692c2e1d3bf1
[INFO] running `Command { std: "docker" "start" "-a" "482fbc4f4ff60aabd4f9fb0813a285743d735c0aa3a75a67dd50692c2e1d3bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "482fbc4f4ff60aabd4f9fb0813a285743d735c0aa3a75a67dd50692c2e1d3bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482fbc4f4ff60aabd4f9fb0813a285743d735c0aa3a75a67dd50692c2e1d3bf1", kill_on_drop: false }`
[INFO] [stdout] 482fbc4f4ff60aabd4f9fb0813a285743d735c0aa3a75a67dd50692c2e1d3bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f59bbc06857a5da740970a10bc5f1fd382a0e673a74db7808a2ee09f8e8324
[INFO] running `Command { std: "docker" "start" "-a" "11f59bbc06857a5da740970a10bc5f1fd382a0e673a74db7808a2ee09f8e8324", kill_on_drop: false }`
[INFO] [stderr]    Compiling recs v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:274:19
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let map = try!(self.data.get(&id).ok_or_else(|| NotFound::Entity(id)));
[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/lib.rs:180:30
[INFO] [stdout]     |
[INFO] [stdout] 180 |     map: HashMap<TypeId, Box<Any>>,
[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] 180 -     map: HashMap<TypeId, Box<Any>>,
[INFO] [stdout] 180 +     map: HashMap<TypeId, Box<dyn Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + '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] 123 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + 'a> {
[INFO] [stdout] 123 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = TypeId> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:295:38
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + '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] 295 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + 'a> {
[INFO] [stdout] 295 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = EntityId> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "11f59bbc06857a5da740970a10bc5f1fd382a0e673a74db7808a2ee09f8e8324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f59bbc06857a5da740970a10bc5f1fd382a0e673a74db7808a2ee09f8e8324", kill_on_drop: false }`
[INFO] [stdout] 11f59bbc06857a5da740970a10bc5f1fd382a0e673a74db7808a2ee09f8e8324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3387d616933bdb2005acc62cf55d7d66633b32a4754ec5f13cb5f031dc81a7d
[INFO] running `Command { std: "docker" "start" "-a" "d3387d616933bdb2005acc62cf55d7d66633b32a4754ec5f13cb5f031dc81a7d", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:274:19
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let map = try!(self.data.get(&id).ok_or_else(|| NotFound::Entity(id)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling recs v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:180:30
[INFO] [stdout]     |
[INFO] [stdout] 180 |     map: HashMap<TypeId, Box<Any>>,
[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] 180 -     map: HashMap<TypeId, Box<Any>>,
[INFO] [stdout] 180 +     map: HashMap<TypeId, Box<dyn Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + '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] 123 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + 'a> {
[INFO] [stdout] 123 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = TypeId> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:295:38
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + '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] 295 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + 'a> {
[INFO] [stdout] 295 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = EntityId> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:274:19
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let map = try!(self.data.get(&id).ok_or_else(|| NotFound::Entity(id)));
[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/lib.rs:180:30
[INFO] [stdout]     |
[INFO] [stdout] 180 |     map: HashMap<TypeId, Box<Any>>,
[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] 180 -     map: HashMap<TypeId, Box<Any>>,
[INFO] [stdout] 180 +     map: HashMap<TypeId, Box<dyn Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + '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] 123 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + 'a> {
[INFO] [stdout] 123 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = TypeId> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:295:38
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + '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] 295 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + 'a> {
[INFO] [stdout] 295 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = EntityId> + 'a> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "d3387d616933bdb2005acc62cf55d7d66633b32a4754ec5f13cb5f031dc81a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3387d616933bdb2005acc62cf55d7d66633b32a4754ec5f13cb5f031dc81a7d", kill_on_drop: false }`
[INFO] [stdout] d3387d616933bdb2005acc62cf55d7d66633b32a4754ec5f13cb5f031dc81a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14f5635c1706df4385f5cbe98cba36c344ad4ed731968e1801deefd0b52958f3
[INFO] running `Command { std: "docker" "start" "-a" "14f5635c1706df4385f5cbe98cba36c344ad4ed731968e1801deefd0b52958f3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:274:19
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let map = try!(self.data.get(&id).ok_or_else(|| NotFound::Entity(id)));
[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/lib.rs:180:30
[INFO] [stderr]     |
[INFO] [stderr] 180 |     map: HashMap<TypeId, Box<Any>>,
[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] 180 -     map: HashMap<TypeId, Box<Any>>,
[INFO] [stderr] 180 +     map: HashMap<TypeId, Box<dyn Any>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:123:38
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + '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] 123 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = TypeId> + 'a> {
[INFO] [stderr] 123 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = TypeId> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:295:38
[INFO] [stderr]     |
[INFO] [stderr] 295 |     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + '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] 295 -     pub fn iter<'a>(&'a self) -> Box<Iterator<Item = EntityId> + 'a> {
[INFO] [stderr] 295 +     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = EntityId> + 'a> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `recs` (lib) generated 4 warnings
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `recs` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `recs` (test "mod") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/recs-a8e9fa2d602ef4bb)
[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/mod.rs (/opt/rustwide/target/debug/deps/mod-69488f9956e0f979)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_update ... ok
[INFO] [stderr]    Doc-tests recs
[INFO] [stdout] test test_collect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - component_filter (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14f5635c1706df4385f5cbe98cba36c344ad4ed731968e1801deefd0b52958f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f5635c1706df4385f5cbe98cba36c344ad4ed731968e1801deefd0b52958f3", kill_on_drop: false }`
[INFO] [stdout] 14f5635c1706df4385f5cbe98cba36c344ad4ed731968e1801deefd0b52958f3