[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] testing agoops/state_scratch against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoops%2Fstate_scratch" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agoops/state_scratch on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-33/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-2021-09-08" "fetch" "--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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff8023d498a833d03404c6e9b61c390e1b2af7e18a61a9a1a50256ac5d986b3e
[INFO] running `Command { std: "docker" "start" "-a" "ff8023d498a833d03404c6e9b61c390e1b2af7e18a61a9a1a50256ac5d986b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff8023d498a833d03404c6e9b61c390e1b2af7e18a61a9a1a50256ac5d986b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8023d498a833d03404c6e9b61c390e1b2af7e18a61a9a1a50256ac5d986b3e", kill_on_drop: false }`
[INFO] [stdout] ff8023d498a833d03404c6e9b61c390e1b2af7e18a61a9a1a50256ac5d986b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c2e36dbd91616ec5a56164dd3ad4c40d77f7e28806c194f3d930e25e4c0ea6
[INFO] running `Command { std: "docker" "start" "-a" "93c2e36dbd91616ec5a56164dd3ad4c40d77f7e28806c194f3d930e25e4c0ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling 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] 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] 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` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "93c2e36dbd91616ec5a56164dd3ad4c40d77f7e28806c194f3d930e25e4c0ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c2e36dbd91616ec5a56164dd3ad4c40d77f7e28806c194f3d930e25e4c0ea6", kill_on_drop: false }`
[INFO] [stdout] 93c2e36dbd91616ec5a56164dd3ad4c40d77f7e28806c194f3d930e25e4c0ea6