[INFO] cloning repository https://github.com/kstrafe/mutcy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kstrafe/mutcy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkstrafe%2Fmutcy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkstrafe%2Fmutcy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 051f34f92f23e4704141c1a6610b0867f1b1063f
[INFO] checking kstrafe/mutcy against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkstrafe%2Fmutcy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kstrafe/mutcy
[INFO] finished tweaking git repo https://github.com/kstrafe/mutcy
[INFO] tweaked toml for git repo https://github.com/kstrafe/mutcy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kstrafe/mutcy on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kstrafe/mutcy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 040d1b4b00c53908231c630f6a6cf9e468e68af99b15575f32285f2276270c45
[INFO] running `Command { std: "docker" "start" "-a" "040d1b4b00c53908231c630f6a6cf9e468e68af99b15575f32285f2276270c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "040d1b4b00c53908231c630f6a6cf9e468e68af99b15575f32285f2276270c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040d1b4b00c53908231c630f6a6cf9e468e68af99b15575f32285f2276270c45", kill_on_drop: false }`
[INFO] [stdout] 040d1b4b00c53908231c630f6a6cf9e468e68af99b15575f32285f2276270c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd663b8005ae603d0442b730836f9576446e21a78964475c4c5d584fe5f5a47
[INFO] running `Command { std: "docker" "start" "-a" "abd663b8005ae603d0442b730836f9576446e21a78964475c4c5d584fe5f5a47", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking half v2.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.35
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking mutcy v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0307]: invalid `self` parameter type: `&mut RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]   --> src/signal/inner.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self: Rw<Self>,
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: type of `self` must be `Self` or some type implementing `Receiver`
[INFO] [stdout]    = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0307]: invalid `self` parameter type: `&mut RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]   --> src/signal/inner.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn subsignal(self: Rw<Self>, order: FractionalIndexType) -> Rc<KeyCell<Self>> {
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: type of `self` must be `Self` or some type implementing `Receiver`
[INFO] [stdout]    = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0307]: invalid `self` parameter type: `&mut RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]    --> src/signal/inner.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn emit(self: Rw<Self>, item: &T) {
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: type of `self` must be `Self` or some type implementing `Receiver`
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0307]: invalid `self` parameter type: `&mut RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]    --> src/signal/inner.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn disconnect(self: Rw<Self>, id: u64, relative_index: FractionalIndexType) {
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: type of `self` must be `Self` or some type implementing `Receiver`
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0307]: invalid `self` parameter type: `&mut RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]    --> src/signal/inner.rs:201:37
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn register_subsignal(self: Rw<Self>, signal: Signal<T>, index: FractionalIndexType) {
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: type of `self` must be `Self` or some type implementing `Receiver`
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0307]: invalid `self` parameter type: `&mut RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]    --> src/signal/inner.rs:205:40
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn preexisting_subsignal(self: Rw<Self>, index: FractionalIndexType) -> Option<Signal<T>> {
[INFO] [stdout]     |                                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: type of `self` must be `Self` or some type implementing `Receiver`
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, or a type implementing `Receiver` such as `self: Box<Self>`, `self: Rc<Self>`, or `self: Arc<Self>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `emit` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal/inner.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |             receiver.emit(item);
[INFO] [stdout]     |                      ^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     | ------------------------------- method `emit` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `disconnect` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal.rs:27:22
[INFO] [stdout]     |
[INFO] [stdout]  27 |         self.rw(key).disconnect(id, relative_index);
[INFO] [stdout]     |                      ^^^^^^^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     | ------------------------------- method `disconnect` not found for this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Disconnectable` defines an item `disconnect`, perhaps you need to implement it
[INFO] [stdout]    --> src/signal.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 | trait Disconnectable {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout]  27 |         self.rw(key).0.disconnect(id, relative_index);
[INFO] [stdout]     |                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `connect` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal.rs:285:14
[INFO] [stdout]     |
[INFO] [stdout] 282 |           let id = self
[INFO] [stdout]     |  __________________-
[INFO] [stdout] 283 | |             .inner
[INFO] [stdout] 284 | |             .rw(key)
[INFO] [stdout] 285 | |             .connect(receiver, self.index.value(), handler);
[INFO] [stdout]     | |             -^^^^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 |   pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     |   ------------------------------- method `connect` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stdout] error[E0599]: no method named `subsignal` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal.rs:387:40
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let inner = self.inner.rw(key).subsignal(index);
[INFO] [stdout]     |                                        ^^^^^^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     | ------------------------------- method `subsignal` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `preexisting_subsignal` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal.rs:398:53
[INFO] [stdout]     |
[INFO] [stdout] 398 |         if let Some(subsignal) = self.inner.rw(key).preexisting_subsignal(index) {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     | ------------------------------- method `preexisting_subsignal` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stdout] error[E0599]: no method named `subsignal` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal.rs:402:40
[INFO] [stdout]     |
[INFO] [stdout] 402 |         let inner = self.inner.rw(key).subsignal(index);
[INFO] [stdout]     |                                        ^^^^^^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     | ------------------------------- method `subsignal` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `register_subsignal` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal.rs:411:14
[INFO] [stdout]     |
[INFO] [stdout] 409 | /         self.inner
[INFO] [stdout] 410 | |             .rw(key)
[INFO] [stdout] 411 | |             .register_subsignal(subsignal.clone(), index);
[INFO] [stdout]     | |             -^^^^^^^^^^^^^^^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 |   pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     |   ------------------------------- method `register_subsignal` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `emit` found for struct `RwGuard<'_, SignalInner<T>>` in the current scope
[INFO] [stdout]    --> src/signal.rs:513:28
[INFO] [stdout]     |
[INFO] [stdout] 513 |         self.inner.rw(key).emit(item.borrow());
[INFO] [stdout]     |                            ^^^^ method not found in `RwGuard<'_, SignalInner<T>>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | pub struct RwGuard<'a, T: Meta>(&'a KeyCell<T>, &'a mut Key);
[INFO] [stdout]     | ------------------------------- method `emit` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stdout] Some errors have detailed explanations: E0307, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0307`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mutcy` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "abd663b8005ae603d0442b730836f9576446e21a78964475c4c5d584fe5f5a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd663b8005ae603d0442b730836f9576446e21a78964475c4c5d584fe5f5a47", kill_on_drop: false }`
[INFO] [stdout] abd663b8005ae603d0442b730836f9576446e21a78964475c4c5d584fe5f5a47
