[INFO] fetching crate genet-abi 0.5.0...
[INFO] building genet-abi-0.5.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate genet-abi 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate genet-abi 0.5.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genet-abi 0.5.0
[INFO] finished tweaking crates.io crate genet-abi 0.5.0
[INFO] tweaked toml for crates.io crate genet-abi 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21b45681d01b6439e246265477a7e5e5baeeb5890e814b2f9b6c841eb22c0787
[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" "21b45681d01b6439e246265477a7e5e5baeeb5890e814b2f9b6c841eb22c0787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21b45681d01b6439e246265477a7e5e5baeeb5890e814b2f9b6c841eb22c0787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b45681d01b6439e246265477a7e5e5baeeb5890e814b2f9b6c841eb22c0787", kill_on_drop: false }`
[INFO] [stdout] 21b45681d01b6439e246265477a7e5e5baeeb5890e814b2f9b6c841eb22c0787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 861ad77dadce96ebf6d7be4b4822da1312ef92da30ff3c0909e0ac7cb86650ee
[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" "861ad77dadce96ebf6d7be4b4822da1312ef92da30ff3c0909e0ac7cb86650ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling genet-abi v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/attr.rs:134:22
[INFO] [stdout]     |
[INFO] [stdout] 134 |     cast: Option<Box<Cast>>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/attr.rs:184:22
[INFO] [stdout]     |
[INFO] [stdout] 184 |     cast: Option<Box<Cast>>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cast.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn cast(&self, &slice::ByteSlice) -> Result<Variant>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &slice::ByteSlice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cast.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn clone_box(&self) -> Box<Cast>;
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn into_box(self) -> Box<Cast>;
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn clone_box(&self) -> Box<Cast> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn into_box(self) -> Box<Cast> {
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Clone for Box<Cast> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn clone(&self) -> Box<Cast> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &LayerStack`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Parent`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decoder.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     worker: *mut Box<Worker>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new(worker: Box<Worker>) -> WorkerBox {
[INFO] [stdout]    |                        ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new_worker(&self, &Context) -> Box<Worker>;
[INFO] [stdout]    |                          ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decoder.rs:95:43
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new_worker(&self, &Context) -> Box<Worker>;
[INFO] [stdout]    |                                           ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn clone_box(&self) -> Box<Decoder>;
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:101:30
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn into_box(self) -> Box<Decoder>;
[INFO] [stdout]     |                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn clone_box(&self) -> Box<Decoder> {
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn into_box(self) -> Box<Decoder> {
[INFO] [stdout]     |                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl Clone for Box<Decoder> {
[INFO] [stdout]     |                    ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn clone(&self) -> Box<Decoder> {
[INFO] [stdout]     |                            ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |     decoder: *mut Box<Decoder>,
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let diss: Box<Decoder> = Box::new(diss);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:12:67
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new_worker(&self, ctx: &Context, args: &str) -> Result<Box<WriterWorker>>;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     writer: *mut Box<Writer>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     id: extern "C" fn(*mut Box<Writer>) -> SafeString,
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         *mut Box<Writer>,
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let writer: Box<Writer> = Box::new(writer);
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern "C" fn abi_writer_id(writer: *mut Box<Writer>) -> SafeString {
[INFO] [stdout]    |                                              ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |     writer: *mut Box<Writer>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:85:66
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn new_worker(&self, ctx: &Context, arg: &str) -> Result<Box<ReaderWorker>>;
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |     reader: *mut Box<Reader>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 |     id: extern "C" fn(*mut Box<Reader>) -> SafeString,
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         *mut Box<Reader>,
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let reader: Box<Reader> = Box::new(reader);
[INFO] [stdout]     |                         ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:131:46
[INFO] [stdout]     |
[INFO] [stdout] 131 | extern "C" fn abi_reader_id(reader: *mut Box<Reader>) -> SafeString {
[INFO] [stdout]     |                                              ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:136:22
[INFO] [stdout]     |
[INFO] [stdout] 136 |     reader: *mut Box<Reader>,
[INFO] [stdout]     |                      ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |     extern "C" fn(*mut Box<WriterWorker>, u32, *const *const Layer, u64, *mut Error) -> u8;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:172:45
[INFO] [stdout]     |
[INFO] [stdout] 172 | type WriterEndFunc = extern "C" fn(*mut Box<WriterWorker>, *mut Error) -> u8;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |     worker: *mut Box<WriterWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:178:34
[INFO] [stdout]     |
[INFO] [stdout] 178 |     drop: extern "C" fn(*mut Box<WriterWorker>),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:184:28
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn new(worker: Box<WriterWorker>) -> WriterWorkerBox {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |     extern "C" fn(*mut Box<ReaderWorker>, *mut SafeVec<MutFixed<Layer>>, *mut Error) -> u8;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:229:22
[INFO] [stdout]     |
[INFO] [stdout] 229 |     worker: *mut Box<ReaderWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:231:34
[INFO] [stdout]     |
[INFO] [stdout] 231 |     drop: extern "C" fn(*mut Box<ReaderWorker>),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:237:28
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn new(worker: Box<ReaderWorker>) -> ReaderWorkerBox {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:268:55
[INFO] [stdout]     |
[INFO] [stdout] 268 | extern "C" fn abi_writer_worker_drop(worker: *mut Box<WriterWorker>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:272:55
[INFO] [stdout]     |
[INFO] [stdout] 272 | extern "C" fn abi_reader_worker_drop(worker: *mut Box<ReaderWorker>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:277:22
[INFO] [stdout]     |
[INFO] [stdout] 277 |     worker: *mut Box<WriterWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:294:54
[INFO] [stdout]     |
[INFO] [stdout] 294 | extern "C" fn abi_writer_worker_end(worker: *mut Box<WriterWorker>, err: *mut Error) -> u8 {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:306:22
[INFO] [stdout]     |
[INFO] [stdout] 306 |     worker: *mut Box<ReaderWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/result.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stdout]   |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/attr.rs:360:40
[INFO] [stdout]     |
[INFO] [stdout] 360 |             unsafe { *err = Error::new(::std::error::Error::description(&*e)) }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/attr.rs:213:21
[INFO] [stdout]     |
[INFO] [stdout] 213 |             start = mem::uninitialized();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/attr.rs:214:19
[INFO] [stdout]     |
[INFO] [stdout] 214 |             end = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |         write!(f, "Error: {}", error::Error::description(self))
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/io.rs:47:49
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut out: WriterWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/io.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut out: ReaderWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decoder.rs:86:50
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 ptr::write(error, Error::new(err.description()));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/io.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:150:42
[INFO] [stdout]     |
[INFO] [stdout] 150 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:288:42
[INFO] [stdout]     |
[INFO] [stdout] 288 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:299:42
[INFO] [stdout]     |
[INFO] [stdout] 299 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:321:42
[INFO] [stdout]     |
[INFO] [stdout] 321 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `WriterWorkerBox` does not permit being left uninitialized
[INFO] [stdout]    --> src/io.rs:47:49
[INFO] [stdout]     |
[INFO] [stdout] 47  |         let mut out: WriterWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/io.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     write: WriterFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `ReaderWorkerBox` does not permit being left uninitialized
[INFO] [stdout]    --> src/io.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut out: ReaderWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/io.rs:230:5
[INFO] [stdout]     |
[INFO] [stdout] 230 |     read: ReaderFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
[INFO] running `Command { std: "docker" "inspect" "861ad77dadce96ebf6d7be4b4822da1312ef92da30ff3c0909e0ac7cb86650ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861ad77dadce96ebf6d7be4b4822da1312ef92da30ff3c0909e0ac7cb86650ee", kill_on_drop: false }`
[INFO] [stdout] 861ad77dadce96ebf6d7be4b4822da1312ef92da30ff3c0909e0ac7cb86650ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf788a6953c890ef346886071a65ccb5a68064540a4a2a49554b60245c85c5bb
[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" "bf788a6953c890ef346886071a65ccb5a68064540a4a2a49554b60245c85c5bb", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/attr.rs:134:22
[INFO] [stdout]     |
[INFO] [stdout] 134 |     cast: Option<Box<Cast>>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/attr.rs:184:22
[INFO] [stdout]     |
[INFO] [stdout] 184 |     cast: Option<Box<Cast>>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cast.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn cast(&self, &slice::ByteSlice) -> Result<Variant>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &slice::ByteSlice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cast.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn clone_box(&self) -> Box<Cast>;
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn into_box(self) -> Box<Cast>;
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn clone_box(&self) -> Box<Cast> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn into_box(self) -> Box<Cast> {
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Clone for Box<Cast> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn clone(&self) -> Box<Cast> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &LayerStack`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Parent`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decoder.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     worker: *mut Box<Worker>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new(worker: Box<Worker>) -> WorkerBox {
[INFO] [stdout]    |                        ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new_worker(&self, &Context) -> Box<Worker>;
[INFO] [stdout]    |                          ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decoder.rs:95:43
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new_worker(&self, &Context) -> Box<Worker>;
[INFO] [stdout]    |                                           ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn clone_box(&self) -> Box<Decoder>;
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:101:30
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn into_box(self) -> Box<Decoder>;
[INFO] [stdout]     |                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn clone_box(&self) -> Box<Decoder> {
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn into_box(self) -> Box<Decoder> {
[INFO] [stdout]     |                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl Clone for Box<Decoder> {
[INFO] [stdout]     |                    ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn clone(&self) -> Box<Decoder> {
[INFO] [stdout]     |                            ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |     decoder: *mut Box<Decoder>,
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let diss: Box<Decoder> = Box::new(diss);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:12:67
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new_worker(&self, ctx: &Context, args: &str) -> Result<Box<WriterWorker>>;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     writer: *mut Box<Writer>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     id: extern "C" fn(*mut Box<Writer>) -> SafeString,
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         *mut Box<Writer>,
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let writer: Box<Writer> = Box::new(writer);
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern "C" fn abi_writer_id(writer: *mut Box<Writer>) -> SafeString {
[INFO] [stdout]    |                                              ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |     writer: *mut Box<Writer>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:85:66
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn new_worker(&self, ctx: &Context, arg: &str) -> Result<Box<ReaderWorker>>;
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |     reader: *mut Box<Reader>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 |     id: extern "C" fn(*mut Box<Reader>) -> SafeString,
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         *mut Box<Reader>,
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let reader: Box<Reader> = Box::new(reader);
[INFO] [stdout]     |                         ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:131:46
[INFO] [stdout]     |
[INFO] [stdout] 131 | extern "C" fn abi_reader_id(reader: *mut Box<Reader>) -> SafeString {
[INFO] [stdout]     |                                              ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:136:22
[INFO] [stdout]     |
[INFO] [stdout] 136 |     reader: *mut Box<Reader>,
[INFO] [stdout]     |                      ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |     extern "C" fn(*mut Box<WriterWorker>, u32, *const *const Layer, u64, *mut Error) -> u8;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:172:45
[INFO] [stdout]     |
[INFO] [stdout] 172 | type WriterEndFunc = extern "C" fn(*mut Box<WriterWorker>, *mut Error) -> u8;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |     worker: *mut Box<WriterWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:178:34
[INFO] [stdout]     |
[INFO] [stdout] 178 |     drop: extern "C" fn(*mut Box<WriterWorker>),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:184:28
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn new(worker: Box<WriterWorker>) -> WriterWorkerBox {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |     extern "C" fn(*mut Box<ReaderWorker>, *mut SafeVec<MutFixed<Layer>>, *mut Error) -> u8;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:229:22
[INFO] [stdout]     |
[INFO] [stdout] 229 |     worker: *mut Box<ReaderWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:231:34
[INFO] [stdout]     |
[INFO] [stdout] 231 |     drop: extern "C" fn(*mut Box<ReaderWorker>),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling genet-abi v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/io.rs:237:28
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn new(worker: Box<ReaderWorker>) -> ReaderWorkerBox {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:268:55
[INFO] [stdout]     |
[INFO] [stdout] 268 | extern "C" fn abi_writer_worker_drop(worker: *mut Box<WriterWorker>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:272:55
[INFO] [stdout]     |
[INFO] [stdout] 272 | extern "C" fn abi_reader_worker_drop(worker: *mut Box<ReaderWorker>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:277:22
[INFO] [stdout]     |
[INFO] [stdout] 277 |     worker: *mut Box<WriterWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:294:54
[INFO] [stdout]     |
[INFO] [stdout] 294 | extern "C" fn abi_writer_worker_end(worker: *mut Box<WriterWorker>, err: *mut Error) -> u8 {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:306:22
[INFO] [stdout]     |
[INFO] [stdout] 306 |     worker: *mut Box<ReaderWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/result.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stdout]   |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/attr.rs:360:40
[INFO] [stdout]     |
[INFO] [stdout] 360 |             unsafe { *err = Error::new(::std::error::Error::description(&*e)) }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/attr.rs:213:21
[INFO] [stdout]     |
[INFO] [stdout] 213 |             start = mem::uninitialized();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/attr.rs:214:19
[INFO] [stdout]     |
[INFO] [stdout] 214 |             end = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |         write!(f, "Error: {}", error::Error::description(self))
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/io.rs:47:49
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut out: WriterWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/io.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut out: ReaderWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decoder.rs:86:50
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 ptr::write(error, Error::new(err.description()));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/io.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:150:42
[INFO] [stdout]     |
[INFO] [stdout] 150 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:288:42
[INFO] [stdout]     |
[INFO] [stdout] 288 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:299:42
[INFO] [stdout]     |
[INFO] [stdout] 299 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:321:42
[INFO] [stdout]     |
[INFO] [stdout] 321 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `WriterWorkerBox` does not permit being left uninitialized
[INFO] [stdout]    --> src/io.rs:47:49
[INFO] [stdout]     |
[INFO] [stdout] 47  |         let mut out: WriterWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/io.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     write: WriterFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `ReaderWorkerBox` does not permit being left uninitialized
[INFO] [stdout]    --> src/io.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut out: ReaderWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/io.rs:230:5
[INFO] [stdout]     |
[INFO] [stdout] 230 |     read: ReaderFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/attr.rs:134:22
[INFO] [stdout]     |
[INFO] [stdout] 134 |     cast: Option<Box<Cast>>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/attr.rs:184:22
[INFO] [stdout]     |
[INFO] [stdout] 184 |     cast: Option<Box<Cast>>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]    --> src/attr.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         error,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/cast.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn cast(&self, &slice::ByteSlice) -> Result<Variant>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &slice::ByteSlice`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cast.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn clone_box(&self) -> Box<Cast>;
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn into_box(self) -> Box<Cast>;
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn clone_box(&self) -> Box<Cast> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn into_box(self) -> Box<Cast> {
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Clone for Box<Cast> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/cast.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn clone(&self) -> Box<Cast> {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Cast`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &LayerStack`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn decode(&mut self, &mut Context, &LayerStack, &mut Parent) -> Result<Status>;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Parent`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decoder.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |     worker: *mut Box<Worker>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn new(worker: Box<Worker>) -> WorkerBox {
[INFO] [stdout]    |                        ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/decoder.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new_worker(&self, &Context) -> Box<Worker>;
[INFO] [stdout]    |                          ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/decoder.rs:95:43
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new_worker(&self, &Context) -> Box<Worker>;
[INFO] [stdout]    |                                           ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn clone_box(&self) -> Box<Decoder>;
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:101:30
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn into_box(self) -> Box<Decoder>;
[INFO] [stdout]     |                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn clone_box(&self) -> Box<Decoder> {
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn into_box(self) -> Box<Decoder> {
[INFO] [stdout]     |                              ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl Clone for Box<Decoder> {
[INFO] [stdout]     |                    ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:118:28
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn clone(&self) -> Box<Decoder> {
[INFO] [stdout]     |                            ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:128:23
[INFO] [stdout]     |
[INFO] [stdout] 128 |     decoder: *mut Box<Decoder>,
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let diss: Box<Decoder> = Box::new(diss);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn Decoder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/decoder.rs:200:57
[INFO] [stdout]     |
[INFO] [stdout] 200 |             fn new_worker(&self, _ctx: &Context) -> Box<Worker> {
[INFO] [stdout]     |                                                         ^^^^^^ help: use `dyn`: `dyn Worker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:12:67
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new_worker(&self, ctx: &Context, args: &str) -> Result<Box<WriterWorker>>;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     writer: *mut Box<Writer>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     id: extern "C" fn(*mut Box<Writer>) -> SafeString,
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |         *mut Box<Writer>,
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let writer: Box<Writer> = Box::new(writer);
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:58:46
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern "C" fn abi_writer_id(writer: *mut Box<Writer>) -> SafeString {
[INFO] [stdout]    |                                              ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |     writer: *mut Box<Writer>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Writer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:85:66
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn new_worker(&self, ctx: &Context, arg: &str) -> Result<Box<ReaderWorker>>;
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |     reader: *mut Box<Reader>,
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 |     id: extern "C" fn(*mut Box<Reader>) -> SafeString,
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         *mut Box<Reader>,
[INFO] [stdout]    |                  ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let reader: Box<Reader> = Box::new(reader);
[INFO] [stdout]     |                         ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:131:46
[INFO] [stdout]     |
[INFO] [stdout] 131 | extern "C" fn abi_reader_id(reader: *mut Box<Reader>) -> SafeString {
[INFO] [stdout]     |                                              ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:136:22
[INFO] [stdout]     |
[INFO] [stdout] 136 |     reader: *mut Box<Reader>,
[INFO] [stdout]     |                      ^^^^^^ help: use `dyn`: `dyn Reader`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |     extern "C" fn(*mut Box<WriterWorker>, u32, *const *const Layer, u64, *mut Error) -> u8;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:172:45
[INFO] [stdout]     |
[INFO] [stdout] 172 | type WriterEndFunc = extern "C" fn(*mut Box<WriterWorker>, *mut Error) -> u8;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:175:22
[INFO] [stdout]     |
[INFO] [stdout] 175 |     worker: *mut Box<WriterWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:178:34
[INFO] [stdout]     |
[INFO] [stdout] 178 |     drop: extern "C" fn(*mut Box<WriterWorker>),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:184:28
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn new(worker: Box<WriterWorker>) -> WriterWorkerBox {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |     extern "C" fn(*mut Box<ReaderWorker>, *mut SafeVec<MutFixed<Layer>>, *mut Error) -> u8;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:229:22
[INFO] [stdout]     |
[INFO] [stdout] 229 |     worker: *mut Box<ReaderWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:231:34
[INFO] [stdout]     |
[INFO] [stdout] 231 |     drop: extern "C" fn(*mut Box<ReaderWorker>),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:237:28
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn new(worker: Box<ReaderWorker>) -> ReaderWorkerBox {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:268:55
[INFO] [stdout]     |
[INFO] [stdout] 268 | extern "C" fn abi_writer_worker_drop(worker: *mut Box<WriterWorker>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:272:55
[INFO] [stdout]     |
[INFO] [stdout] 272 | extern "C" fn abi_reader_worker_drop(worker: *mut Box<ReaderWorker>) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:277:22
[INFO] [stdout]     |
[INFO] [stdout] 277 |     worker: *mut Box<WriterWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:294:54
[INFO] [stdout]     |
[INFO] [stdout] 294 | extern "C" fn abi_writer_worker_end(worker: *mut Box<WriterWorker>, err: *mut Error) -> u8 {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn WriterWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/io.rs:306:22
[INFO] [stdout]     |
[INFO] [stdout] 306 |     worker: *mut Box<ReaderWorker>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn ReaderWorker`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/result.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stdout]   |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/attr.rs:360:40
[INFO] [stdout]     |
[INFO] [stdout] 360 |             unsafe { *err = Error::new(::std::error::Error::description(&*e)) }
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/attr.rs:213:21
[INFO] [stdout]     |
[INFO] [stdout] 213 |             start = mem::uninitialized();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/attr.rs:214:19
[INFO] [stdout]     |
[INFO] [stdout] 214 |             end = mem::uninitialized();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |         write!(f, "Error: {}", error::Error::description(self))
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |         write!(f, "{}", error::Error::description(self))
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |         assert_eq!(error::Error::description(&err), msg);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/io.rs:47:49
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut out: WriterWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/io.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut out: ReaderWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/attr.rs:581:40
[INFO] [stdout]     |
[INFO] [stdout] 581 |             Err(err) => assert_eq!(err.description(), "oh no!"),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decoder.rs:86:50
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 ptr::write(error, Error::new(err.description()));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/io.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:150:42
[INFO] [stdout]     |
[INFO] [stdout] 150 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:288:42
[INFO] [stdout]     |
[INFO] [stdout] 288 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:299:42
[INFO] [stdout]     |
[INFO] [stdout] 299 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/io.rs:321:42
[INFO] [stdout]     |
[INFO] [stdout] 321 |             unsafe { *err = Error::new(e.description()) };
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `WriterWorkerBox` does not permit being left uninitialized
[INFO] [stdout]    --> src/io.rs:47:49
[INFO] [stdout]     |
[INFO] [stdout] 47  |         let mut out: WriterWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/io.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     write: WriterFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `ReaderWorkerBox` does not permit being left uninitialized
[INFO] [stdout]    --> src/io.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut out: ReaderWorkerBox = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: function pointers must be non-null (in this struct field)
[INFO] [stdout]    --> src/io.rs:230:5
[INFO] [stdout]     |
[INFO] [stdout] 230 |     read: ReaderFunc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 72 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "bf788a6953c890ef346886071a65ccb5a68064540a4a2a49554b60245c85c5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf788a6953c890ef346886071a65ccb5a68064540a4a2a49554b60245c85c5bb", kill_on_drop: false }`
[INFO] [stdout] bf788a6953c890ef346886071a65ccb5a68064540a4a2a49554b60245c85c5bb
