[INFO] fetching crate rt_ref 0.3.0... [INFO] checking rt_ref-0.3.0 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied [INFO] extracting crate rt_ref 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate rt_ref 0.3.0 [INFO] finished tweaking crates.io crate rt_ref 0.3.0 [INFO] tweaked toml for crates.io crate rt_ref 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rt_ref 0.3.0 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 rt_ref 0.3.0 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] c73a33ddba7f61175323e1f3c55d3705cfc702eec025952d3563c9bc4119296d [INFO] running `Command { std: "docker" "start" "-a" "c73a33ddba7f61175323e1f3c55d3705cfc702eec025952d3563c9bc4119296d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c73a33ddba7f61175323e1f3c55d3705cfc702eec025952d3563c9bc4119296d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c73a33ddba7f61175323e1f3c55d3705cfc702eec025952d3563c9bc4119296d", kill_on_drop: false }` [INFO] [stdout] c73a33ddba7f61175323e1f3c55d3705cfc702eec025952d3563c9bc4119296d [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] 171c5f96919271ca699c71ff03c8a0cb47ad1fe22d61c3ff1011f8663e624754 [INFO] running `Command { std: "docker" "start" "-a" "171c5f96919271ca699c71ff03c8a0cb47ad1fe22d61c3ff1011f8663e624754", kill_on_drop: false }` [INFO] [stderr] Checking rt_ref v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:48:19 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn borrow(&self) -> CellRef { [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] 48 | pub fn borrow(&self) -> CellRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn try_borrow(&self) -> Result, BorrowFail> { [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] 63 | pub fn try_borrow(&self) -> Result, BorrowFail> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:82:23 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn borrow_mut(&self) -> CellRefMut { [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] 82 | pub fn borrow_mut(&self) -> CellRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:97:27 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn try_borrow_mut(&self) -> Result, BorrowFail> { [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] 97 | pub fn try_borrow_mut(&self) -> Result, BorrowFail> { [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/cell_ref.rs:43:22 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn try_clone(&self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | / impl<'a, T> Deref for CellRef<'a, T> [INFO] [stdout] 119 | | where [INFO] [stdout] 120 | | T: ?Sized, [INFO] [stdout] | |______________- trait implemented here [INFO] [stdout] 121 | { [INFO] [stdout] 122 | 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/cell_ref.rs:101:22 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn map(self, f: F) -> CellRef<'a, U> [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | / impl<'a, T> Deref for CellRef<'a, T> [INFO] [stdout] 119 | | where [INFO] [stdout] 120 | | T: ?Sized, [INFO] [stdout] | |______________- trait implemented here [INFO] [stdout] 121 | { [INFO] [stdout] 122 | 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/cell_ref_mut.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn map(self, f: F) -> CellRefMut<'a, U> [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | / impl<'a, T> Deref for CellRefMut<'a, T> [INFO] [stdout] 85 | | where [INFO] [stdout] 86 | | T: ?Sized, [INFO] [stdout] | |______________- trait implemented here [INFO] [stdout] 87 | { [INFO] [stdout] 88 | 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/ref.rs:34:22 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn try_clone(&self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | impl<'a, V> Deref for Ref<'a, V> { [INFO] [stdout] | -------------------------------- trait implemented here [INFO] [stdout] 40 | type Target = V; [INFO] [stdout] | ----------- with `Target` set here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rt_ref` (lib) due to 4 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:48:19 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn borrow(&self) -> CellRef { [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] 48 | pub fn borrow(&self) -> CellRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:63:23 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn try_borrow(&self) -> Result, BorrowFail> { [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] 63 | pub fn try_borrow(&self) -> Result, BorrowFail> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:82:23 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn borrow_mut(&self) -> CellRefMut { [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] 82 | pub fn borrow_mut(&self) -> CellRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:97:27 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn try_borrow_mut(&self) -> Result, BorrowFail> { [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] 97 | pub fn try_borrow_mut(&self) -> Result, BorrowFail> { [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/cell_ref.rs:43:22 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn try_clone(&self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | / impl<'a, T> Deref for CellRef<'a, T> [INFO] [stdout] 119 | | where [INFO] [stdout] 120 | | T: ?Sized, [INFO] [stdout] | |______________- trait implemented here [INFO] [stdout] 121 | { [INFO] [stdout] 122 | 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/cell_ref.rs:101:22 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn map(self, f: F) -> CellRef<'a, U> [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | / impl<'a, T> Deref for CellRef<'a, T> [INFO] [stdout] 119 | | where [INFO] [stdout] 120 | | T: ?Sized, [INFO] [stdout] | |______________- trait implemented here [INFO] [stdout] 121 | { [INFO] [stdout] 122 | 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/cell_ref_mut.rs:67:22 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn map(self, f: F) -> CellRefMut<'a, U> [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | / impl<'a, T> Deref for CellRefMut<'a, T> [INFO] [stdout] 85 | | where [INFO] [stdout] 86 | | T: ?Sized, [INFO] [stdout] | |______________- trait implemented here [INFO] [stdout] 87 | { [INFO] [stdout] 88 | 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/ref.rs:34:22 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn try_clone(&self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | impl<'a, V> Deref for Ref<'a, V> { [INFO] [stdout] | -------------------------------- trait implemented here [INFO] [stdout] 40 | type Target = V; [INFO] [stdout] | ----------- with `Target` set here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rt_ref` (lib test) due to 4 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "171c5f96919271ca699c71ff03c8a0cb47ad1fe22d61c3ff1011f8663e624754", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "171c5f96919271ca699c71ff03c8a0cb47ad1fe22d61c3ff1011f8663e624754", kill_on_drop: false }` [INFO] [stdout] 171c5f96919271ca699c71ff03c8a0cb47ad1fe22d61c3ff1011f8663e624754