[INFO] cloning repository https://github.com/zaneli/rust-protobuf-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaneli/rust-protobuf-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaneli%2Frust-protobuf-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaneli%2Frust-protobuf-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efeda4e6e5526a7f9889b14ba77efe816b2a71aa
[INFO] checking zaneli/rust-protobuf-example against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaneli%2Frust-protobuf-example" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaneli/rust-protobuf-example on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zaneli/rust-protobuf-example
[INFO] finished tweaking git repo https://github.com/zaneli/rust-protobuf-example
[INFO] tweaked toml for git repo https://github.com/zaneli/rust-protobuf-example written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/zaneli/rust-protobuf-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0dc0a0246d238a34932bb04ca1e5d46c0a760da6f0f662ae9008f21a9ff4748
[INFO] running `Command { std: "docker" "start" "-a" "d0dc0a0246d238a34932bb04ca1e5d46c0a760da6f0f662ae9008f21a9ff4748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0dc0a0246d238a34932bb04ca1e5d46c0a760da6f0f662ae9008f21a9ff4748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0dc0a0246d238a34932bb04ca1e5d46c0a760da6f0f662ae9008f21a9ff4748", kill_on_drop: false }`
[INFO] [stdout] d0dc0a0246d238a34932bb04ca1e5d46c0a760da6f0f662ae9008f21a9ff4748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07f1e475a6d486f301fed8de5096712edd141760fb26662ef46a8f7ecd125bd4
[INFO] running `Command { std: "docker" "start" "-a" "07f1e475a6d486f301fed8de5096712edd141760fb26662ef46a8f7ecd125bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.6.0
[INFO] [stderr]     Checking rust-protobuf-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:283:18
[INFO] [stdout]     |
[INFO] [stdout] 283 |         self as &::std::any::Any
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:285:38
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:286:22
[INFO] [stdout]     |
[INFO] [stdout] 286 |         self as &mut ::std::any::Any
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:288:55
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:500:26
[INFO] [stdout]     |
[INFO] [stdout] 500 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:501:18
[INFO] [stdout]     |
[INFO] [stdout] 501 |         self as &::std::any::Any
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:503:38
[INFO] [stdout]     |
[INFO] [stdout] 503 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:504:22
[INFO] [stdout]     |
[INFO] [stdout] 504 |         self as &mut ::std::any::Any
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:506:55
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:740:26
[INFO] [stdout]     |
[INFO] [stdout] 740 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:741:18
[INFO] [stdout]     |
[INFO] [stdout] 741 |         self as &::std::any::Any
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:743:38
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:744:22
[INFO] [stdout]     |
[INFO] [stdout] 744 |         self as &mut ::std::any::Any
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:746:55
[INFO] [stdout]     |
[INFO] [stdout] 746 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:282:26
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:283:18
[INFO] [stdout]     |
[INFO] [stdout] 283 |         self as &::std::any::Any
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:285:38
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:286:22
[INFO] [stdout]     |
[INFO] [stdout] 286 |         self as &mut ::std::any::Any
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:288:55
[INFO] [stdout]     |
[INFO] [stdout] 288 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:500:26
[INFO] [stdout]     |
[INFO] [stdout] 500 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:501:18
[INFO] [stdout]     |
[INFO] [stdout] 501 |         self as &::std::any::Any
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:503:38
[INFO] [stdout]     |
[INFO] [stdout] 503 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:504:22
[INFO] [stdout]     |
[INFO] [stdout] 504 |         self as &mut ::std::any::Any
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:506:55
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:740:26
[INFO] [stdout]     |
[INFO] [stdout] 740 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:741:18
[INFO] [stdout]     |
[INFO] [stdout] 741 |         self as &::std::any::Any
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:743:38
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:744:22
[INFO] [stdout]     |
[INFO] [stdout] 744 |         self as &mut ::std::any::Any
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/addressbook.rs:746:55
[INFO] [stdout]     |
[INFO] [stdout] 746 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "07f1e475a6d486f301fed8de5096712edd141760fb26662ef46a8f7ecd125bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f1e475a6d486f301fed8de5096712edd141760fb26662ef46a8f7ecd125bd4", kill_on_drop: false }`
[INFO] [stdout] 07f1e475a6d486f301fed8de5096712edd141760fb26662ef46a8f7ecd125bd4