[INFO] fetching crate nostd_cow 0.1.0...
[INFO] checking nostd_cow-0.1.0 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied-retry-0
[INFO] extracting crate nostd_cow 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nostd_cow 0.1.0
[INFO] finished tweaking crates.io crate nostd_cow 0.1.0
[INFO] tweaked toml for crates.io crate nostd_cow 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nostd_cow 0.1.0 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] crate crates.io crate nostd_cow 0.1.0 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8b30c7f9a26510f38daf5216cb7044f4eb730df5410572f3d600bd3190814282
[INFO] running `Command { std: "docker" "start" "-a" "8b30c7f9a26510f38daf5216cb7044f4eb730df5410572f3d600bd3190814282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b30c7f9a26510f38daf5216cb7044f4eb730df5410572f3d600bd3190814282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b30c7f9a26510f38daf5216cb7044f4eb730df5410572f3d600bd3190814282", kill_on_drop: false }`
[INFO] [stdout] 8b30c7f9a26510f38daf5216cb7044f4eb730df5410572f3d600bd3190814282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 511b643942d192a118e002fa4aefeb59a112ee8b561e737cb090ad460311db8d
[INFO] running `Command { std: "docker" "start" "-a" "511b643942d192a118e002fa4aefeb59a112ee8b561e737cb090ad460311db8d", kill_on_drop: false }`
[INFO] [stderr]     Checking nostd_cow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:106:30
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub const fn is_borrowed(&self) -> bool {
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:113:27
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub const fn is_owned(&self) -> bool {
[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/lib.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn to_mut(&mut self) -> &mut 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/lib.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn into_owned(self) -> T {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nostd_cow` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:106:30
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub const fn is_borrowed(&self) -> bool {
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:113:27
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub const fn is_owned(&self) -> bool {
[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/lib.rs:127:19
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn to_mut(&mut self) -> &mut 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/lib.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl<T: Borrow<B>, B: ?Sized> Deref for NoStdCow<'_, T, B> {
[INFO] [stdout]     | ---------------------------------------------------------- trait implemented here
[INFO] [stdout]  96 |     type Target = B;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn into_owned(self) -> T {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nostd_cow` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "511b643942d192a118e002fa4aefeb59a112ee8b561e737cb090ad460311db8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511b643942d192a118e002fa4aefeb59a112ee8b561e737cb090ad460311db8d", kill_on_drop: false }`
[INFO] [stdout] 511b643942d192a118e002fa4aefeb59a112ee8b561e737cb090ad460311db8d