[INFO] cloning repository https://github.com/chrischalstrom/mud_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrischalstrom/mud_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischalstrom%2Fmud_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischalstrom%2Fmud_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 705795f40747763483c82e5fc37001426c4a9196
[INFO] testing chrischalstrom/mud_engine against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrischalstrom%2Fmud_engine" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrischalstrom/mud_engine on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrischalstrom/mud_engine
[INFO] finished tweaking git repo https://github.com/chrischalstrom/mud_engine
[INFO] tweaked toml for git repo https://github.com/chrischalstrom/mud_engine written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/chrischalstrom/mud_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5434ad85e374dbcaffc22cdd64d3a470264e8d21d95ab92108754416ea78bda
[INFO] running `Command { std: "docker" "start" "-a" "b5434ad85e374dbcaffc22cdd64d3a470264e8d21d95ab92108754416ea78bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5434ad85e374dbcaffc22cdd64d3a470264e8d21d95ab92108754416ea78bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5434ad85e374dbcaffc22cdd64d3a470264e8d21d95ab92108754416ea78bda", kill_on_drop: false }`
[INFO] [stdout] b5434ad85e374dbcaffc22cdd64d3a470264e8d21d95ab92108754416ea78bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a76706879571a5cdab8e6be922706cb342d897c8e239bf6813be3b8fec7d90ac
[INFO] running `Command { std: "docker" "start" "-a" "a76706879571a5cdab8e6be922706cb342d897c8e239bf6813be3b8fec7d90ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling mud_host v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combat.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn attack(&self, other: &mut Attackable) -> i32;
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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/command_processor.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn listen(processor: &CommandProcessor, tx: mpsc::Sender<String>) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandProcessor`
[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/monster.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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/player.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "a76706879571a5cdab8e6be922706cb342d897c8e239bf6813be3b8fec7d90ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76706879571a5cdab8e6be922706cb342d897c8e239bf6813be3b8fec7d90ac", kill_on_drop: false }`
[INFO] [stdout] a76706879571a5cdab8e6be922706cb342d897c8e239bf6813be3b8fec7d90ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14ddd1de47efa3dcd1a10bd1d09b34ead2b9b9bf81c553b8c46a3f0c2b9e7ba5
[INFO] running `Command { std: "docker" "start" "-a" "14ddd1de47efa3dcd1a10bd1d09b34ead2b9b9bf81c553b8c46a3f0c2b9e7ba5", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combat.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn attack(&self, other: &mut Attackable) -> i32;
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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] [stderr]    Compiling mud_host v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/command_processor.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn listen(processor: &CommandProcessor, tx: mpsc::Sender<String>) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandProcessor`
[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/monster.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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/player.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combat.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn attack(&self, other: &mut Attackable) -> i32;
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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/command_processor.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn listen(processor: &CommandProcessor, tx: mpsc::Sender<String>) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandProcessor`
[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/monster.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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/player.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stdout]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "14ddd1de47efa3dcd1a10bd1d09b34ead2b9b9bf81c553b8c46a3f0c2b9e7ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ddd1de47efa3dcd1a10bd1d09b34ead2b9b9bf81c553b8c46a3f0c2b9e7ba5", kill_on_drop: false }`
[INFO] [stdout] 14ddd1de47efa3dcd1a10bd1d09b34ead2b9b9bf81c553b8c46a3f0c2b9e7ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35e382dae01e23efc6afd7ea22359d207c0cdc2cffb4c23f4bd6fe665bcbc9d5
[INFO] running `Command { std: "docker" "start" "-a" "35e382dae01e23efc6afd7ea22359d207c0cdc2cffb4c23f4bd6fe665bcbc9d5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/combat.rs:23:34
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 23 |     fn attack(&self, other: &mut Attackable) -> i32;
[INFO] [stdout] 
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command_processor.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn listen(processor: &CommandProcessor, tx: mpsc::Sender<String>) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandProcessor`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/monster.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/player.rs:14:34
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combat.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn attack(&self, other: &mut Attackable) -> i32;
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command_processor.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn listen(processor: &CommandProcessor, tx: mpsc::Sender<String>) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandProcessor`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/monster.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/player.rs:14:34
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn attack(&self, other: &mut Attackable) -> i32 {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn Attackable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mud_host-db3e92fb8441a666)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mud_host-dcb71c540d452817)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mud_host
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35e382dae01e23efc6afd7ea22359d207c0cdc2cffb4c23f4bd6fe665bcbc9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e382dae01e23efc6afd7ea22359d207c0cdc2cffb4c23f4bd6fe665bcbc9d5", kill_on_drop: false }`
[INFO] [stdout] 35e382dae01e23efc6afd7ea22359d207c0cdc2cffb4c23f4bd6fe665bcbc9d5