[INFO] cloning repository https://github.com/sgrif/zomg_rockets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sgrif/zomg_rockets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgrif%2Fzomg_rockets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgrif%2Fzomg_rockets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ece3700fb05985f59c4d64ab258bfa5498bb242
[INFO] testing sgrif/zomg_rockets against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgrif%2Fzomg_rockets" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sgrif/zomg_rockets 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/sgrif/zomg_rockets
[INFO] finished tweaking git repo https://github.com/sgrif/zomg_rockets
[INFO] tweaked toml for git repo https://github.com/sgrif/zomg_rockets written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sgrif/zomg_rockets 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b483c774488976e6ac584dadaf901db2e3e28ab2f7ce0af12557f2da534e6c4d
[INFO] running `Command { std: "docker" "start" "-a" "b483c774488976e6ac584dadaf901db2e3e28ab2f7ce0af12557f2da534e6c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b483c774488976e6ac584dadaf901db2e3e28ab2f7ce0af12557f2da534e6c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b483c774488976e6ac584dadaf901db2e3e28ab2f7ce0af12557f2da534e6c4d", kill_on_drop: false }`
[INFO] [stdout] b483c774488976e6ac584dadaf901db2e3e28ab2f7ce0af12557f2da534e6c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccdbf4dd3d6024def77c1cb8d180e035edc3e2e218962f3118844493cb3df72c
[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" "ccdbf4dd3d6024def77c1cb8d180e035edc3e2e218962f3118844493cb3df72c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.8.0
[INFO] [stderr]    Compiling ksp_helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:77:40
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:111:40
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn next_stage(&self) -> Option<Box<Stage>> { (&**self).next_stage() }
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:120:40
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn next_stage(&self) -> Option<Box<Stage>> { (&**self).next_stage() }
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:214:40
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:218:19
[INFO] [stdout]     |
[INFO] [stdout] 218 |         }) as Box<Stage>)
[INFO] [stdout]     |                   ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:227:21
[INFO] [stdout]     |
[INFO] [stdout] 227 |     stages: Vec<Box<Stage>>,
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:232:36
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn stages<'a>(&'a self) -> Box<Iterator<Item=Box<Stage + 'a>> + 'a> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Box<Stage + 'a>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:232:54
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn stages<'a>(&'a self) -> Box<Iterator<Item=Box<Stage + 'a>> + 'a> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:269:44
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn with_payload(mut self, payload: Box<Stage>) -> Self {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |     current: Option<Box<Stage + 'a>>,
[INFO] [stdout]     |                         ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     type Item = Box<Stage + 'a>;
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:303:31
[INFO] [stdout]     |
[INFO] [stdout] 303 |                     }) as Box<Stage>
[INFO] [stdout]     |                               ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "ccdbf4dd3d6024def77c1cb8d180e035edc3e2e218962f3118844493cb3df72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdbf4dd3d6024def77c1cb8d180e035edc3e2e218962f3118844493cb3df72c", kill_on_drop: false }`
[INFO] [stdout] ccdbf4dd3d6024def77c1cb8d180e035edc3e2e218962f3118844493cb3df72c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2eae5fe8843bd4aa34bfbee93d9c5e6ff6bca4cdeb162ca98897412beff84b1
[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" "e2eae5fe8843bd4aa34bfbee93d9c5e6ff6bca4cdeb162ca98897412beff84b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ksp_helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:77:40
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:111:40
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn next_stage(&self) -> Option<Box<Stage>> { (&**self).next_stage() }
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:120:40
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn next_stage(&self) -> Option<Box<Stage>> { (&**self).next_stage() }
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:214:40
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:218:19
[INFO] [stdout]     |
[INFO] [stdout] 218 |         }) as Box<Stage>)
[INFO] [stdout]     |                   ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:227:21
[INFO] [stdout]     |
[INFO] [stdout] 227 |     stages: Vec<Box<Stage>>,
[INFO] [stdout]     |                     ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:232:36
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn stages<'a>(&'a self) -> Box<Iterator<Item=Box<Stage + 'a>> + 'a> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Box<Stage + 'a>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:232:54
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn stages<'a>(&'a self) -> Box<Iterator<Item=Box<Stage + 'a>> + 'a> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:269:44
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn with_payload(mut self, payload: Box<Stage>) -> Self {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |     current: Option<Box<Stage + 'a>>,
[INFO] [stdout]     |                         ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:292:21
[INFO] [stdout]     |
[INFO] [stdout] 292 |     type Item = Box<Stage + 'a>;
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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/main.rs:303:31
[INFO] [stdout]     |
[INFO] [stdout] 303 |                     }) as Box<Stage>
[INFO] [stdout]     |                               ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) 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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "e2eae5fe8843bd4aa34bfbee93d9c5e6ff6bca4cdeb162ca98897412beff84b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2eae5fe8843bd4aa34bfbee93d9c5e6ff6bca4cdeb162ca98897412beff84b1", kill_on_drop: false }`
[INFO] [stdout] e2eae5fe8843bd4aa34bfbee93d9c5e6ff6bca4cdeb162ca98897412beff84b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "test" "--frozen", 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] bfbb409b06cf69c02ca60686128f30cf53c9b7a4b6cd714c361a88240194194b
[INFO] running `Command { std: "docker" "start" "-a" "bfbb409b06cf69c02ca60686128f30cf53c9b7a4b6cd714c361a88240194194b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:40
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:111:40
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn next_stage(&self) -> Option<Box<Stage>> { (&**self).next_stage() }
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:120:40
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn next_stage(&self) -> Option<Box<Stage>> { (&**self).next_stage() }
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:191:40
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:214:40
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn next_stage(&self) -> Option<Box<Stage>> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:218:19
[INFO] [stderr]     |
[INFO] [stderr] 218 |         }) as Box<Stage>)
[INFO] [stderr]     |                   ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:227:21
[INFO] [stderr]     |
[INFO] [stderr] 227 |     stages: Vec<Box<Stage>>,
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:232:36
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn stages<'a>(&'a self) -> Box<Iterator<Item=Box<Stage + 'a>> + 'a> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Box<Stage + 'a>> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:232:54
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn stages<'a>(&'a self) -> Box<Iterator<Item=Box<Stage + 'a>> + 'a> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:269:44
[INFO] [stderr]     |
[INFO] [stderr] 269 |     fn with_payload(mut self, payload: Box<Stage>) -> Self {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:282:25
[INFO] [stderr]     |
[INFO] [stderr] 282 |     current: Option<Box<Stage + 'a>>,
[INFO] [stderr]     |                         ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:292:21
[INFO] [stderr]     |
[INFO] [stderr] 292 |     type Item = Box<Stage + 'a>;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Stage + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[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/main.rs:303:31
[INFO] [stderr]     |
[INFO] [stderr] 303 |                     }) as Box<Stage>
[INFO] [stderr]     |                               ^^^^^ help: use `dyn`: `dyn Stage`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `ksp_helper` (bin "ksp_helper" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ksp_helper-f91ff09fc43525c1)
[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" "bfbb409b06cf69c02ca60686128f30cf53c9b7a4b6cd714c361a88240194194b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbb409b06cf69c02ca60686128f30cf53c9b7a4b6cd714c361a88240194194b", kill_on_drop: false }`
[INFO] [stdout] bfbb409b06cf69c02ca60686128f30cf53c9b7a4b6cd714c361a88240194194b