[INFO] fetching crate mutcy 0.5.2...
[INFO] checking mutcy-0.5.2 against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] extracting crate mutcy 0.5.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mutcy 0.5.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mutcy 0.5.2
[INFO] tweaked toml for crates.io crate mutcy 0.5.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutcy 0.5.2 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 crates.io crate mutcy 0.5.2 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4398789c88f15a4306c45d29cc93d67441f9985d57bd6ee9f72dd72d48ce6daa
[INFO] running `Command { std: "docker" "start" "-a" "4398789c88f15a4306c45d29cc93d67441f9985d57bd6ee9f72dd72d48ce6daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4398789c88f15a4306c45d29cc93d67441f9985d57bd6ee9f72dd72d48ce6daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4398789c88f15a4306c45d29cc93d67441f9985d57bd6ee9f72dd72d48ce6daa", kill_on_drop: false }`
[INFO] [stdout] 4398789c88f15a4306c45d29cc93d67441f9985d57bd6ee9f72dd72d48ce6daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0737565f2ab3b4074967401913c7bf278ebaadc97cdc8474e76a9c94f2ee49fd
[INFO] running `Command { std: "docker" "start" "-a" "0737565f2ab3b4074967401913c7bf278ebaadc97cdc8474e76a9c94f2ee49fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking half v2.5.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.35
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking mutcy v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters-svg v0.3.7
[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] [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] [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] [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" "0737565f2ab3b4074967401913c7bf278ebaadc97cdc8474e76a9c94f2ee49fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0737565f2ab3b4074967401913c7bf278ebaadc97cdc8474e76a9c94f2ee49fd", kill_on_drop: false }`
[INFO] [stdout] 0737565f2ab3b4074967401913c7bf278ebaadc97cdc8474e76a9c94f2ee49fd
