[INFO] cloning repository https://github.com/empenguin1186/rust_training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/empenguin1186/rust_training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fempenguin1186%2Frust_training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fempenguin1186%2Frust_training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f349da3e5e685888047be3638eb8dd69aa585b9
[INFO] checking empenguin1186/rust_training against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fempenguin1186%2Frust_training" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/empenguin1186/rust_training on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/empenguin1186/rust_training
[INFO] finished tweaking git repo https://github.com/empenguin1186/rust_training
[INFO] tweaked toml for git repo https://github.com/empenguin1186/rust_training written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/empenguin1186/rust_training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ebd648f12940eb44b312bb29370d4ab99f01bf8aca3111bc970d2b7880d2a16
[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" "1ebd648f12940eb44b312bb29370d4ab99f01bf8aca3111bc970d2b7880d2a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ebd648f12940eb44b312bb29370d4ab99f01bf8aca3111bc970d2b7880d2a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebd648f12940eb44b312bb29370d4ab99f01bf8aca3111bc970d2b7880d2a16", kill_on_drop: false }`
[INFO] [stdout] 1ebd648f12940eb44b312bb29370d4ab99f01bf8aca3111bc970d2b7880d2a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c8ad3b81868a645bac267987979319121f8bda2c1d3c7030586d98c5ef67988
[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" "3c8ad3b81868a645bac267987979319121f8bda2c1d3c7030586d98c5ef67988", kill_on_drop: false }`
[INFO] [stderr]     Checking clojure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 |     state: Option<Box<State>>,
[INFO] [stdout]   |                       ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn request_review(self: Box<Self>) -> Box<State>;
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:31:40
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn approve(self: Box<Self>) -> Box<State>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:40:47
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:56:40
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:64:47
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:157:33
[INFO] [stdout]     |
[INFO] [stdout] 157 |         pub components: Vec<Box<Draw>>,
[INFO] [stdout]     |                                 ^^^^ help: use `dyn`: `dyn Draw`
[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] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |         self.content.as_ref().unwrap().content(&self)
[INFO] [stdout]    |         -------------^^^^^^--
[INFO] [stdout]    |         |            |
[INFO] [stdout]    |         |            cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]    |         this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type must be known at this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clojure` due to 2 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 |     state: Option<Box<State>>,
[INFO] [stdout]   |                       ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn request_review(self: Box<Self>) -> Box<State>;
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:31:40
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn approve(self: Box<Self>) -> Box<State>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:40:47
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:56:40
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:64:47
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[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/lib.rs:157:33
[INFO] [stdout]     |
[INFO] [stdout] 157 |         pub components: Vec<Box<Draw>>,
[INFO] [stdout]     |                                 ^^^^ help: use `dyn`: `dyn Draw`
[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] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |         self.content.as_ref().unwrap().content(&self)
[INFO] [stdout]    |         -------------^^^^^^--
[INFO] [stdout]    |         |            |
[INFO] [stdout]    |         |            cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]    |         this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type must be known at this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c8ad3b81868a645bac267987979319121f8bda2c1d3c7030586d98c5ef67988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8ad3b81868a645bac267987979319121f8bda2c1d3c7030586d98c5ef67988", kill_on_drop: false }`
[INFO] [stdout] 3c8ad3b81868a645bac267987979319121f8bda2c1d3c7030586d98c5ef67988
