[INFO] fetching crate mold 0.0.1...
[INFO] testing mold-0.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate mold 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mold 0.0.1
[INFO] finished tweaking crates.io crate mold 0.0.1
[INFO] tweaked toml for crates.io crate mold 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mold 0.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.7.1 (available: v0.12.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1581672bdd404e569f78cd10737df5736f17eeb9c982ff1ce53247d6796b8dd
[INFO] running `Command { std: "docker" "start" "-a" "e1581672bdd404e569f78cd10737df5736f17eeb9c982ff1ce53247d6796b8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1581672bdd404e569f78cd10737df5736f17eeb9c982ff1ce53247d6796b8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1581672bdd404e569f78cd10737df5736f17eeb9c982ff1ce53247d6796b8dd", kill_on_drop: false }`
[INFO] [stdout] e1581672bdd404e569f78cd10737df5736f17eeb9c982ff1ce53247d6796b8dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f748e0fe579cbebd745959fcb66c6456da9c949fc40ce0bb4ab05d04c219c006
[INFO] running `Command { std: "docker" "start" "-a" "f748e0fe579cbebd745959fcb66c6456da9c949fc40ce0bb4ab05d04c219c006", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mold v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 -     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout] 10 +     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<Any + Send + Sync + 'static> + 'static>>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<dyn Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(dyn Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<Any + Send + Sync + 'static>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<dyn Any + Send + Sync + 'static>>>>,
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         C: Fn() -> Box<Any + Send + Sync + 'static> + 'static,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |         C: Fn() -> Box<dyn Any + Send + Sync + 'static> + 'static,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 return Arc::clone(&*(instance as *const Any as *const Arc<Box<T>>));
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 return Arc::clone(&*(instance as *const dyn Any as *const Arc<Box<T>>));
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "f748e0fe579cbebd745959fcb66c6456da9c949fc40ce0bb4ab05d04c219c006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f748e0fe579cbebd745959fcb66c6456da9c949fc40ce0bb4ab05d04c219c006", kill_on_drop: false }`
[INFO] [stdout] f748e0fe579cbebd745959fcb66c6456da9c949fc40ce0bb4ab05d04c219c006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9649814ce76fa5bdbad47297b00fdca9a51f4b0bfa744166d27ae2e55395ca19
[INFO] running `Command { std: "docker" "start" "-a" "9649814ce76fa5bdbad47297b00fdca9a51f4b0bfa744166d27ae2e55395ca19", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 -     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout] 10 +     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<Any + Send + Sync + 'static> + 'static>>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<dyn Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(dyn Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<Any + Send + Sync + 'static>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<dyn Any + Send + Sync + 'static>>>>,
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         C: Fn() -> Box<Any + Send + Sync + 'static> + 'static,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |         C: Fn() -> Box<dyn Any + Send + Sync + 'static> + 'static,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 return Arc::clone(&*(instance as *const Any as *const Arc<Box<T>>));
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 return Arc::clone(&*(instance as *const dyn Any as *const Arc<Box<T>>));
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mold v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 10 -     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout] 10 +     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<Any + Send + Sync + 'static> + 'static>>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<dyn Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(dyn Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<Any + Send + Sync + 'static>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<dyn Any + Send + Sync + 'static>>>>,
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         C: Fn() -> Box<Any + Send + Sync + 'static> + 'static,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |         C: Fn() -> Box<dyn Any + Send + Sync + 'static> + 'static,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:55:57
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 return Arc::clone(&*(instance as *const Any as *const Arc<Box<T>>));
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 return Arc::clone(&*(instance as *const dyn Any as *const Arc<Box<T>>));
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9649814ce76fa5bdbad47297b00fdca9a51f4b0bfa744166d27ae2e55395ca19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9649814ce76fa5bdbad47297b00fdca9a51f4b0bfa744166d27ae2e55395ca19", kill_on_drop: false }`
[INFO] [stdout] 9649814ce76fa5bdbad47297b00fdca9a51f4b0bfa744166d27ae2e55395ca19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7000adcefe640c64d3c6f6f23c11c505f43945b35fa42cae4b7cb7d0109a4245
[INFO] running `Command { std: "docker" "start" "-a" "7000adcefe640c64d3c6f6f23c11c505f43945b35fa42cae4b7cb7d0109a4245", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/lib.rs:10:50
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    |
[INFO] [stderr] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stderr]    |                                                  ^                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 10 -     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stderr] 10 +     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<Any + Send + Sync + 'static> + 'static>>>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:10:38
[INFO] [stderr]    |
[INFO] [stderr] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 |     init: RwLock<HashMap<TypeId, Box<dyn Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stderr]    |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:10:51
[INFO] [stderr]    |
[INFO] [stderr] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(dyn Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stderr]    |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<Any + Send + Sync + 'static>>>>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 |     instances: RwLock<HashMap<TypeId, Arc<Box<dyn Any + Send + Sync + 'static>>>>,
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         C: Fn() -> Box<Any + Send + Sync + 'static> + 'static,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 39 |         C: Fn() -> Box<dyn Any + Send + Sync + 'static> + 'static,
[INFO] [stderr]    |                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 return Arc::clone(&*(instance as *const Any as *const Arc<Box<T>>));
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 return Arc::clone(&*(instance as *const dyn Any as *const Arc<Box<T>>));
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mold` (lib) generated 6 warnings (run `cargo fix --lib -p mold` to apply 6 suggestions)
[INFO] [stderr] warning: `mold` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mold-d50272b9c6982b71)
[INFO] [stdout] test tests::it_should_panic_on_type_mismatch - should panic ... 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] [stderr]    Doc-tests mold
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:10:50
[INFO] [stderr]    |
[INFO] [stderr] 10 |     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stderr]    |                                                  ^                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 10 -     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<(Any + Send + Sync + 'static)> + 'static>>>,
[INFO] [stderr] 10 +     init: RwLock<HashMap<TypeId, Box<Fn() -> Box<Any + Send + Sync + 'static> + 'static>>>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "7000adcefe640c64d3c6f6f23c11c505f43945b35fa42cae4b7cb7d0109a4245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7000adcefe640c64d3c6f6f23c11c505f43945b35fa42cae4b7cb7d0109a4245", kill_on_drop: false }`
[INFO] [stdout] 7000adcefe640c64d3c6f6f23c11c505f43945b35fa42cae4b7cb7d0109a4245