[INFO] fetching crate kobold 0.9.1...
[INFO] checking kobold-0.9.1 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] extracting crate kobold 0.9.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate kobold 0.9.1
[INFO] finished tweaking crates.io crate kobold 0.9.1
[INFO] tweaked toml for crates.io crate kobold 0.9.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kobold 0.9.1 on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f50b6aac0031cf207c7dc18a2c1d75749b683c101645006959c9f02911f3c989
[INFO] running `Command { std: "docker" "start" "-a" "f50b6aac0031cf207c7dc18a2c1d75749b683c101645006959c9f02911f3c989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f50b6aac0031cf207c7dc18a2c1d75749b683c101645006959c9f02911f3c989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50b6aac0031cf207c7dc18a2c1d75749b683c101645006959c9f02911f3c989", kill_on_drop: false }`
[INFO] [stdout] f50b6aac0031cf207c7dc18a2c1d75749b683c101645006959c9f02911f3c989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 212d208511b5a8edcc355b2ec541da0a40c5ef67c88c44aa856b1b6cac29f215
[INFO] running `Command { std: "docker" "start" "-a" "212d208511b5a8edcc355b2ec541da0a40c5ef67c88c44aa856b1b6cac29f215", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking wasm-bindgen v0.2.108
[INFO] [stderr]    Compiling kobold_macros v0.9.0
[INFO] [stderr]     Checking js-sys v0.3.85
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.58
[INFO] [stderr]     Checking web-sys v0.3.85
[INFO] [stderr]     Checking kobold v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/value.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(self, mut p: &mut Self::Product) {
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/value.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn update(self, mut p: &mut Self::Product) {
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/internal.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub unsafe fn cast<U>(self) -> Out<'a, U> {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | impl<T> Deref for Out<'_, T> {
[INFO] [stdout]    | ---------------------------- trait implemented here
[INFO] [stdout] 56 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/list/page_list.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn cursor(&mut self) -> Cursor<T> {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn cursor(&mut self) -> Cursor<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stateful/hook.rs:96:26
[INFO] [stdout]     |
[INFO] [stdout]  96 |     pub fn bind<E, F, O>(&self, callback: F) -> Bound<S, F>
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | impl<S> Deref for Hook<S> {
[INFO] [stdout]     | ------------------------- trait implemented here
[INFO] [stdout] 227 |     type Target = S;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stateful/hook.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn bind<E, F, O>(&self, callback: F) -> Bound<S, F>
[INFO] [stdout]    |                          ^^^^^                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn bind<E, F, O>(&self, callback: F) -> Bound<'_, S, F>
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stateful/hook.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn bind_async<E, F, T>(&self, callback: F) -> impl Listener<E>
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | impl<S> Deref for Hook<S> {
[INFO] [stdout]     | ------------------------- trait implemented here
[INFO] [stdout] 227 |     type Target = S;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stateful/hook.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn get(&self) -> S
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | impl<S> Deref for Hook<S> {
[INFO] [stdout]     | ------------------------- trait implemented here
[INFO] [stdout] 227 |     type Target = S;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/stateful/hook.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         drop([mock, mock]);
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `[hook::Bound<'_, i32, {closure@src/stateful/hook.rs:280:23: 280:59}>; 2]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 286 -         drop([mock, mock]);
[INFO] [stdout] 286 +         let _ = [mock, mock];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/internal.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub unsafe fn cast<U>(self) -> Out<'a, U> {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | impl<T> Deref for Out<'_, T> {
[INFO] [stdout]    | ---------------------------- trait implemented here
[INFO] [stdout] 56 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/list/page_list.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn cursor(&mut self) -> Cursor<T> {
[INFO] [stdout]     |                   ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn cursor(&mut self) -> Cursor<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stateful/hook.rs:96:26
[INFO] [stdout]     |
[INFO] [stdout]  96 |     pub fn bind<E, F, O>(&self, callback: F) -> Bound<S, F>
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | impl<S> Deref for Hook<S> {
[INFO] [stdout]     | ------------------------- trait implemented here
[INFO] [stdout] 227 |     type Target = S;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/stateful/hook.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn bind<E, F, O>(&self, callback: F) -> Bound<S, F>
[INFO] [stdout]    |                          ^^^^^                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn bind<E, F, O>(&self, callback: F) -> Bound<'_, S, F>
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stateful/hook.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn bind_async<E, F, T>(&self, callback: F) -> impl Listener<E>
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | impl<S> Deref for Hook<S> {
[INFO] [stdout]     | ------------------------- trait implemented here
[INFO] [stdout] 227 |     type Target = S;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stateful/hook.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn get(&self) -> S
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | impl<S> Deref for Hook<S> {
[INFO] [stdout]     | ------------------------- trait implemented here
[INFO] [stdout] 227 |     type Target = S;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kobold` (lib test) due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kobold` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "212d208511b5a8edcc355b2ec541da0a40c5ef67c88c44aa856b1b6cac29f215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212d208511b5a8edcc355b2ec541da0a40c5ef67c88c44aa856b1b6cac29f215", kill_on_drop: false }`
[INFO] [stdout] 212d208511b5a8edcc355b2ec541da0a40c5ef67c88c44aa856b1b6cac29f215
