[INFO] cloning repository https://github.com/garciaguimeras/rusty_fortress
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garciaguimeras/rusty_fortress" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciaguimeras%2Frusty_fortress", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciaguimeras%2Frusty_fortress'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1e8e79755dc1e58da888cbf9d075d159f087095
[INFO] checking garciaguimeras/rusty_fortress against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarciaguimeras%2Frusty_fortress" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garciaguimeras/rusty_fortress on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garciaguimeras/rusty_fortress
[INFO] finished tweaking git repo https://github.com/garciaguimeras/rusty_fortress
[INFO] tweaked toml for git repo https://github.com/garciaguimeras/rusty_fortress written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/garciaguimeras/rusty_fortress already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34a0b3658e2943e1e88b93bac11dc5a8940e4e97974254cc7dddc10b6df2c666
[INFO] running `Command { std: "docker" "start" "-a" "34a0b3658e2943e1e88b93bac11dc5a8940e4e97974254cc7dddc10b6df2c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a0b3658e2943e1e88b93bac11dc5a8940e4e97974254cc7dddc10b6df2c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a0b3658e2943e1e88b93bac11dc5a8940e4e97974254cc7dddc10b6df2c666", kill_on_drop: false }`
[INFO] [stdout] 34a0b3658e2943e1e88b93bac11dc5a8940e4e97974254cc7dddc10b6df2c666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9369fe36b2eacb19a2a6e1088effc1cc092f8ca86b3fb22144265c45d8b20ab
[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" "e9369fe36b2eacb19a2a6e1088effc1cc092f8ca86b3fb22144265c45d8b20ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking rusty_fortress_lib v0.1.0 (/opt/rustwide/workdir/rusty_fortress_lib)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn open_with(&mut self, _obj: &Box<BaseObject>) -> &str;
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                 ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                                   ^^^^ help: use `dyn`: `dyn Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:69
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                                                     ^^^^ help: use `dyn`: `dyn Take`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:87
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                                                                       ^^ help: use `dyn`: `dyn Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn clone(&self) -> Box<BaseObject>;
[INFO] [stdout]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn open_with(&mut self, obj: &Box<BaseObject>) -> &str {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn clone(&self) -> Box<BaseObject> {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let w = self as &Open;
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let p = self as &mut Open;
[INFO] [stdout]     |                              ^^^^ help: use `dyn`: `dyn Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:144:26
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let w = self as &View;
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let p = self as &mut View;
[INFO] [stdout]     |                              ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let w = self as &Go;
[INFO] [stdout]     |                          ^^ help: use `dyn`: `dyn Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let p = self as &mut Go;
[INFO] [stdout]     |                              ^^ help: use `dyn`: `dyn Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:132:78
[INFO] [stdout]     |
[INFO] [stdout] 132 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::Open>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn base::Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:144:79
[INFO] [stdout]     |
[INFO] [stdout] 144 |                         return match obj1.into_boxed_mut() as Option<Box<&mut base::Open>> {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^ help: use `dyn`: `dyn base::Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:155:78
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::View>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn base::View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:166:78
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::Take>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn base::Take`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:177:78
[INFO] [stdout]     |
[INFO] [stdout] 177 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::Go>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^ help: use `dyn`: `dyn base::Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn open_with(&mut self, _obj: &Box<BaseObject>) -> &str;
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                 ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                                   ^^^^ help: use `dyn`: `dyn Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:69
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                                                     ^^^^ help: use `dyn`: `dyn Take`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:33:87
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait BaseObject: IntoBoxed<View> + IntoBoxed<Open> + IntoBoxed<Take> + IntoBoxed<Go> {
[INFO] [stdout]    |                                                                                       ^^ help: use `dyn`: `dyn Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn clone(&self) -> Box<BaseObject>;
[INFO] [stdout]    |                            ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> rusty_fortress_lib/src/obj/base.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn open_with(&mut self, obj: &Box<BaseObject>) -> &str {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn clone(&self) -> Box<BaseObject> {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: use `dyn`: `dyn BaseObject`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let w = self as &Open;
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:137:30
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let p = self as &mut Open;
[INFO] [stdout]     |                              ^^^^ help: use `dyn`: `dyn Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:144:26
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let w = self as &View;
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let p = self as &mut View;
[INFO] [stdout]     |                              ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:156:26
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let w = self as &Go;
[INFO] [stdout]     |                          ^^ help: use `dyn`: `dyn Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/obj/base.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let p = self as &mut Go;
[INFO] [stdout]     |                              ^^ help: use `dyn`: `dyn Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:132:78
[INFO] [stdout]     |
[INFO] [stdout] 132 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::Open>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn base::Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:144:79
[INFO] [stdout]     |
[INFO] [stdout] 144 |                         return match obj1.into_boxed_mut() as Option<Box<&mut base::Open>> {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^ help: use `dyn`: `dyn base::Open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:155:78
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::View>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn base::View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:166:78
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::Take>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^ help: use `dyn`: `dyn base::Take`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> rusty_fortress_lib/src/app/env.rs:177:78
[INFO] [stdout]     |
[INFO] [stdout] 177 |                         return match obj.into_boxed_mut() as Option<Box<&mut base::Go>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^ help: use `dyn`: `dyn base::Go`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rusty_fortress_console v0.1.0 (/opt/rustwide/workdir/rusty_fortress_console)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "e9369fe36b2eacb19a2a6e1088effc1cc092f8ca86b3fb22144265c45d8b20ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9369fe36b2eacb19a2a6e1088effc1cc092f8ca86b3fb22144265c45d8b20ab", kill_on_drop: false }`
[INFO] [stdout] e9369fe36b2eacb19a2a6e1088effc1cc092f8ca86b3fb22144265c45d8b20ab