[INFO] fetching crate ref_kind 0.5.1...
[INFO] checking ref_kind-0.5.1 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] extracting crate ref_kind 0.5.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ref_kind 0.5.1
[INFO] finished tweaking crates.io crate ref_kind 0.5.1
[INFO] tweaked toml for crates.io crate ref_kind 0.5.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ref_kind 0.5.1 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 1 package to latest compatible version
[INFO] [stderr]       Adding hashbrown v0.14.5 (available: v0.16.1)
[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] 0c9becda379b2ce82667e694d922a22dd29c162dbde8a22767511cf0610da12a
[INFO] running `Command { std: "docker" "start" "-a" "0c9becda379b2ce82667e694d922a22dd29c162dbde8a22767511cf0610da12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c9becda379b2ce82667e694d922a22dd29c162dbde8a22767511cf0610da12a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9becda379b2ce82667e694d922a22dd29c162dbde8a22767511cf0610da12a", kill_on_drop: false }`
[INFO] [stdout] 0c9becda379b2ce82667e694d922a22dd29c162dbde8a22767511cf0610da12a
[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] 5a704ef00b7665104e9e12b33c9c2cc82afa09f8b3cfef0dd0c154935cc7a1d9
[INFO] running `Command { std: "docker" "start" "-a" "5a704ef00b7665104e9e12b33c9c2cc82afa09f8b3cfef0dd0c154935cc7a1d9", kill_on_drop: false }`
[INFO] [stderr]     Checking ref_kind v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/kind.rs:24:19
[INFO] [stdout]     |
[INFO] [stdout]  24 |       pub fn is_ref(&self) -> bool {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       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] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/kind.rs:30:19
[INFO] [stdout]     |
[INFO] [stdout]  30 |       pub fn is_mut(&self) -> bool {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:36:20
[INFO] [stdout]     |
[INFO] [stdout]  36 |       pub fn get_ref(&self) -> &T {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:43:20
[INFO] [stdout]     |
[INFO] [stdout]  43 |       pub fn get_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:53:21
[INFO] [stdout]     |
[INFO] [stdout]  53 |       pub fn into_ref(self) -> &'a T {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:63:21
[INFO] [stdout]     |
[INFO] [stdout]  63 |       pub fn into_mut(self) -> Option<&'a mut T> {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:77:23
[INFO] [stdout]     |
[INFO] [stdout]  77 |       pub fn unwrap_ref(self) -> &'a T {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:91:23
[INFO] [stdout]     |
[INFO] [stdout]  91 |       pub fn unwrap_mut(self) -> &'a mut T {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:24:19
[INFO] [stdout]     |
[INFO] [stdout]  24 |       pub fn is_ref(&self) -> bool {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       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] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/kind.rs:30:19
[INFO] [stdout]     |
[INFO] [stdout]  30 |       pub fn is_mut(&self) -> bool {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:36:20
[INFO] [stdout]     |
[INFO] [stdout]  36 |       pub fn get_ref(&self) -> &T {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:43:20
[INFO] [stdout]     |
[INFO] [stdout]  43 |       pub fn get_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:53:21
[INFO] [stdout]     |
[INFO] [stdout]  53 |       pub fn into_ref(self) -> &'a T {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:63:21
[INFO] [stdout]     |
[INFO] [stdout]  63 |       pub fn into_mut(self) -> Option<&'a mut T> {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:77:23
[INFO] [stdout]     |
[INFO] [stdout]  77 |       pub fn unwrap_ref(self) -> &'a T {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[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/kind.rs:91:23
[INFO] [stdout]     |
[INFO] [stdout]  91 |       pub fn unwrap_mut(self) -> &'a mut T {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 | / impl<'a, T> Deref for RefKind<'a, T>
[INFO] [stdout] 124 | | where
[INFO] [stdout] 125 | |     T: ?Sized + 'a,
[INFO] [stdout]     | |___________________- trait implemented here
[INFO] [stdout] 126 |   {
[INFO] [stdout] 127 |       type Target = T;
[INFO] [stdout]     |       ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ref_kind` (lib test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ref_kind` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "5a704ef00b7665104e9e12b33c9c2cc82afa09f8b3cfef0dd0c154935cc7a1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a704ef00b7665104e9e12b33c9c2cc82afa09f8b3cfef0dd0c154935cc7a1d9", kill_on_drop: false }`
[INFO] [stdout] 5a704ef00b7665104e9e12b33c9c2cc82afa09f8b3cfef0dd0c154935cc7a1d9