error[E0594]: cannot assign to `t.0`, as `t` is not declared as mutable --> $DIR/issue-54499-field-mutation-of-moved-out.rs:13:9 | LL | let t: Tuple = (S(0), 0); | - help: consider changing this to be mutable: `mut t` LL | drop(t); LL | t.0 = S(1); | ^^^^^^^^^^ cannot assign error[E0382]: assign to part of moved value: `t` --> $DIR/issue-54499-field-mutation-of-moved-out.rs:13:9 | LL | let t: Tuple = (S(0), 0); | - move occurs because `t` has type `(S, i32)`, which does not implement the `Copy` trait LL | drop(t); | - value moved here LL | t.0 = S(1); | ^^^^^^^^^^ value partially assigned here after move error[E0594]: cannot assign to `t.1`, as `t` is not declared as mutable --> $DIR/issue-54499-field-mutation-of-moved-out.rs:16:9 | LL | let t: Tuple = (S(0), 0); | - help: consider changing this to be mutable: `mut t` ... LL | t.1 = 2; | ^^^^^^^ cannot assign error[E0594]: cannot assign to `u.0`, as `u` is not declared as mutable --> $DIR/issue-54499-field-mutation-of-moved-out.rs:24:9 | LL | let u: Tpair = Tpair(S(0), 0); | - help: consider changing this to be mutable: `mut u` LL | drop(u); LL | u.0 = S(1); | ^^^^^^^^^^ cannot assign error[E0382]: assign to part of moved value: `u` --> $DIR/issue-54499-field-mutation-of-moved-out.rs:24:9 | LL | let u: Tpair = Tpair(S(0), 0); | - move occurs because `u` has type `Tpair`, which does not implement the `Copy` trait LL | drop(u); | - value moved here LL | u.0 = S(1); | ^^^^^^^^^^ value partially assigned here after move error[E0594]: cannot assign to `u.1`, as `u` is not declared as mutable --> $DIR/issue-54499-field-mutation-of-moved-out.rs:27:9 | LL | let u: Tpair = Tpair(S(0), 0); | - help: consider changing this to be mutable: `mut u` ... LL | u.1 = 2; | ^^^^^^^ cannot assign error[E0594]: cannot assign to `v.x`, as `v` is not declared as mutable --> $DIR/issue-54499-field-mutation-of-moved-out.rs:35:9 | LL | let v: Spair = Spair { x: S(0), y: 0 }; | - help: consider changing this to be mutable: `mut v` LL | drop(v); LL | v.x = S(1); | ^^^^^^^^^^ cannot assign error[E0382]: assign to part of moved value: `v` --> $DIR/issue-54499-field-mutation-of-moved-out.rs:35:9 | LL | let v: Spair = Spair { x: S(0), y: 0 }; | - move occurs because `v` has type `Spair`, which does not implement the `Copy` trait LL | drop(v); | - value moved here LL | v.x = S(1); | ^^^^^^^^^^ value partially assigned here after move error[E0594]: cannot assign to `v.y`, as `v` is not declared as mutable --> $DIR/issue-54499-field-mutation-of-moved-out.rs:38:9 | LL | let v: Spair = Spair { x: S(0), y: 0 }; | - help: consider changing this to be mutable: `mut v` ... LL | v.y = 2; | ^^^^^^^ cannot assign error: aborting due to 9 previous errors Some errors have detailed explanations: E0382, E0594. For more information about an error, try `rustc --explain E0382`.