[INFO] cloning repository https://github.com/agoops/state_scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agoops/state_scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoops%2Fstate_scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoops%2Fstate_scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db093869c84f6ad98d897f58631bcc0de7a0946b [INFO] checking agoops/state_scratch against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoops%2Fstate_scratch" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/agoops/state_scratch on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/agoops/state_scratch [INFO] finished tweaking git repo https://github.com/agoops/state_scratch [INFO] tweaked toml for git repo https://github.com/agoops/state_scratch written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/agoops/state_scratch already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fa301bf59b3f74e036ac0a1c04790ad10a30dbe85eec28e4234e7f94a780f2f [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" "0fa301bf59b3f74e036ac0a1c04790ad10a30dbe85eec28e4234e7f94a780f2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fa301bf59b3f74e036ac0a1c04790ad10a30dbe85eec28e4234e7f94a780f2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fa301bf59b3f74e036ac0a1c04790ad10a30dbe85eec28e4234e7f94a780f2f", kill_on_drop: false }` [INFO] [stdout] 0fa301bf59b3f74e036ac0a1c04790ad10a30dbe85eec28e4234e7f94a780f2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 109bbcebb3373a571a586eda0b93a87b5f35e3a69a16e5153eec252bb9e260fb [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" "109bbcebb3373a571a586eda0b93a87b5f35e3a69a16e5153eec252bb9e260fb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.38 [INFO] [stderr] Compiling derive-new v0.5.6 [INFO] [stderr] Checking state_scratch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state_a` [INFO] [stdout] --> src/main.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | if let ThingIn::A(state_a) = &mut self.cur_state { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state_a` [INFO] [stdout] --> src/main.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | if let ThingIn::A(state_a) = &mut self.cur_state { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of `self.cur_state` which is behind a mutable reference [INFO] [stdout] --> src/main.rs:36:30 [INFO] [stdout] | [INFO] [stdout] 36 | self.cur_state = self.cur_state.transition(msg.unwrap()); // This [INFO] [stdout] | ^^^^^^^^^^^^^^ move occurs because `self.cur_state` has type `ThingIn`, which does not implement the `Copy` trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0507]: cannot move out of `self.cur_state` which is behind a mutable reference [INFO] [stdout] --> src/main.rs:36:30 [INFO] [stdout] | [INFO] [stdout] 36 | self.cur_state = self.cur_state.transition(msg.unwrap()); // This [INFO] [stdout] | ^^^^^^^^^^^^^^ move occurs because `self.cur_state` has type `ThingIn`, which does not implement the `Copy` trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn transition(mut self, msg: Message) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn transition(mut self, msg: Message) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0507`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0507`. [INFO] [stdout] [INFO] [stderr] error: could not compile `state_scratch` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "109bbcebb3373a571a586eda0b93a87b5f35e3a69a16e5153eec252bb9e260fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "109bbcebb3373a571a586eda0b93a87b5f35e3a69a16e5153eec252bb9e260fb", kill_on_drop: false }` [INFO] [stdout] 109bbcebb3373a571a586eda0b93a87b5f35e3a69a16e5153eec252bb9e260fb