[INFO] fetching crate hassium-core 0.1.3...
[INFO] testing hassium-core-0.1.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate hassium-core 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate hassium-core 0.1.3 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hassium-core 0.1.3
[INFO] finished tweaking crates.io crate hassium-core 0.1.3
[INFO] tweaked toml for crates.io crate hassium-core 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8fadd6699b840b6281b6187dc0f5e01e7efa120030691b44909050f7ea6fe21
[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" "f8fadd6699b840b6281b6187dc0f5e01e7efa120030691b44909050f7ea6fe21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8fadd6699b840b6281b6187dc0f5e01e7efa120030691b44909050f7ea6fe21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fadd6699b840b6281b6187dc0f5e01e7efa120030691b44909050f7ea6fe21", kill_on_drop: false }`
[INFO] [stdout] f8fadd6699b840b6281b6187dc0f5e01e7efa120030691b44909050f7ea6fe21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 144febf2e87252edb68ca5d74a2bb1e6d3f9524d574bbd6d49dc24df4b90b09b
[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" "144febf2e87252edb68ca5d74a2bb1e6d3f9524d574bbd6d49dc24df4b90b09b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling specs-hierarchy v0.3.1
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling hassium-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fetch_engines: Vec<Box<FetchEngine>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     protocols: HashMap<String, Box<AssetProtocol>>,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 |     loading: HashMap<String, (String, Box<FetchProcessReader>)>,
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:149:59
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn push_fetch_engine(&mut self, fetch_engine: Box<FetchEngine>) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:153:54
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn pop_fetch_engine(&mut self) -> Option<Box<FetchEngine>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |         F: FnMut(&mut FetchEngine) -> R,
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:175:32
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let fetch_engine: &mut FetchEngine = self.fetch_engine_mut().borrow_mut();
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:188:69
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn unregister(&mut self, protocol_name: &str) -> Option<Box<AssetProtocol>> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/engines/fs.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/engines/map.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/mod.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn box_clone(&self) -> Box<FetchProcessReader>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/mod.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Clone for Box<FetchProcessReader> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:140:32
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn box_clone(&self) -> Box<FetchProcessReader> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:146:51
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:148:38
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn cancel(&mut self, reader: Box<FetchProcessReader>) {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "144febf2e87252edb68ca5d74a2bb1e6d3f9524d574bbd6d49dc24df4b90b09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144febf2e87252edb68ca5d74a2bb1e6d3f9524d574bbd6d49dc24df4b90b09b", kill_on_drop: false }`
[INFO] [stdout] 144febf2e87252edb68ca5d74a2bb1e6d3f9524d574bbd6d49dc24df4b90b09b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe3697acc5def672dd38da19a48a3ec42f5eaf89220f7c881416cdd3d30ce69f
[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" "fe3697acc5def672dd38da19a48a3ec42f5eaf89220f7c881416cdd3d30ce69f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hassium-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fetch_engines: Vec<Box<FetchEngine>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     protocols: HashMap<String, Box<AssetProtocol>>,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 |     loading: HashMap<String, (String, Box<FetchProcessReader>)>,
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:149:59
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn push_fetch_engine(&mut self, fetch_engine: Box<FetchEngine>) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:153:54
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn pop_fetch_engine(&mut self) -> Option<Box<FetchEngine>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |         F: FnMut(&mut FetchEngine) -> R,
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:175:32
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let fetch_engine: &mut FetchEngine = self.fetch_engine_mut().borrow_mut();
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:188:69
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn unregister(&mut self, protocol_name: &str) -> Option<Box<AssetProtocol>> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/engines/fs.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/engines/map.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/mod.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn box_clone(&self) -> Box<FetchProcessReader>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/mod.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Clone for Box<FetchProcessReader> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:140:32
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn box_clone(&self) -> Box<FetchProcessReader> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:146:51
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:148:38
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn cancel(&mut self, reader: Box<FetchProcessReader>) {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fetch_engines: Vec<Box<FetchEngine>>,
[INFO] [stdout]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     protocols: HashMap<String, Box<AssetProtocol>>,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/assets/database.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 |     loading: HashMap<String, (String, Box<FetchProcessReader>)>,
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:149:59
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn push_fetch_engine(&mut self, fetch_engine: Box<FetchEngine>) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:153:54
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn pop_fetch_engine(&mut self) -> Option<Box<FetchEngine>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |         F: FnMut(&mut FetchEngine) -> R,
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:175:32
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let fetch_engine: &mut FetchEngine = self.fetch_engine_mut().borrow_mut();
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/assets/database.rs:188:69
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn unregister(&mut self, protocol_name: &str) -> Option<Box<AssetProtocol>> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/engines/fs.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/engines/map.rs:16:51
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/mod.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn box_clone(&self) -> Box<FetchProcessReader>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch/mod.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Clone for Box<FetchProcessReader> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:140:32
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn box_clone(&self) -> Box<FetchProcessReader> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:146:51
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fetch/mod.rs:148:38
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn cancel(&mut self, reader: Box<FetchProcessReader>) {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "fe3697acc5def672dd38da19a48a3ec42f5eaf89220f7c881416cdd3d30ce69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3697acc5def672dd38da19a48a3ec42f5eaf89220f7c881416cdd3d30ce69f", kill_on_drop: false }`
[INFO] [stdout] fe3697acc5def672dd38da19a48a3ec42f5eaf89220f7c881416cdd3d30ce69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3047fe2f029039ad9cd2bf2427bd928886891ba42750eec7ef4f9c9ae7ba4e70
[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" "3047fe2f029039ad9cd2bf2427bd928886891ba42750eec7ef4f9c9ae7ba4e70", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/assets/database.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fetch_engines: Vec<Box<FetchEngine>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/assets/database.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 |     protocols: HashMap<String, Box<AssetProtocol>>,
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/assets/database.rs:22:43
[INFO] [stderr]    |
[INFO] [stderr] 22 |     loading: HashMap<String, (String, Box<FetchProcessReader>)>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:149:59
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn push_fetch_engine(&mut self, fetch_engine: Box<FetchEngine>) {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:153:54
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn pop_fetch_engine(&mut self) -> Option<Box<FetchEngine>> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:173:23
[INFO] [stderr]     |
[INFO] [stderr] 173 |         F: FnMut(&mut FetchEngine) -> R,
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:175:32
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let fetch_engine: &mut FetchEngine = self.fetch_engine_mut().borrow_mut();
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:188:69
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn unregister(&mut self, protocol_name: &str) -> Option<Box<AssetProtocol>> {
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/engines/fs.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/engines/map.rs:16:51
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/mod.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn box_clone(&self) -> Box<FetchProcessReader>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/mod.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl Clone for Box<FetchProcessReader> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fetch/mod.rs:140:32
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn box_clone(&self) -> Box<FetchProcessReader> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fetch/mod.rs:146:51
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus>;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fetch/mod.rs:148:38
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn cancel(&mut self, reader: Box<FetchProcessReader>) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/assets/database.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fetch_engines: Vec<Box<FetchEngine>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/assets/database.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 |     protocols: HashMap<String, Box<AssetProtocol>>,
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/assets/database.rs:22:43
[INFO] [stderr]    |
[INFO] [stderr] 22 |     loading: HashMap<String, (String, Box<FetchProcessReader>)>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:149:59
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn push_fetch_engine(&mut self, fetch_engine: Box<FetchEngine>) {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:153:54
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn pop_fetch_engine(&mut self) -> Option<Box<FetchEngine>> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:173:23
[INFO] [stderr]     |
[INFO] [stderr] 173 |         F: FnMut(&mut FetchEngine) -> R,
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:175:32
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let fetch_engine: &mut FetchEngine = self.fetch_engine_mut().borrow_mut();
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn FetchEngine`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/assets/database.rs:188:69
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn unregister(&mut self, protocol_name: &str) -> Option<Box<AssetProtocol>> {
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn AssetProtocol`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/engines/fs.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/engines/map.rs:16:51
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/mod.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn box_clone(&self) -> Box<FetchProcessReader>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch/mod.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl Clone for Box<FetchProcessReader> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fetch/mod.rs:140:32
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn box_clone(&self) -> Box<FetchProcessReader> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fetch/mod.rs:146:51
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus>;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fetch/mod.rs:148:38
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn cancel(&mut self, reader: Box<FetchProcessReader>) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FetchProcessReader`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hassium_core-e17b2ee224213cbd)
[INFO] [stdout] test assets::database::tests::test_general ... ok
[INFO] [stdout] test tests::test_logger ... ok
[INFO] [stdout] test fetch::tests::test_general ... ok
[INFO] [stderr] thread panicked while panicking. aborting.
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/hassium_core-e17b2ee224213cbd` (signal: 4, SIGILL: illegal instruction)
[INFO] running `Command { std: "docker" "inspect" "3047fe2f029039ad9cd2bf2427bd928886891ba42750eec7ef4f9c9ae7ba4e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3047fe2f029039ad9cd2bf2427bd928886891ba42750eec7ef4f9c9ae7ba4e70", kill_on_drop: false }`
[INFO] [stdout] 3047fe2f029039ad9cd2bf2427bd928886891ba42750eec7ef4f9c9ae7ba4e70