[INFO] updating cached repository https://github.com/M-Isonni/learning_Rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e5ed7c9e772ff95a1ca633c6a84905ba46300147 [INFO] checking M-Isonni/learning_Rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Isonni%2Flearning_Rust" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. 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Memory limited without swap. [INFO] [stdout] 17850b47a934306d58dc626f4a2cecd53e4a0a6cf93813d5170dee238d801bb2 [INFO] running `"docker" "start" "-a" "17850b47a934306d58dc626f4a2cecd53e4a0a6cf93813d5170dee238d801bb2"` [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/matches.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/matches.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let f = match f{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let f = File::open("hello.txt").map_err(|error| { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let f = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/panics.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let res = match res{ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `second_result` [INFO] [stderr] --> src/panics.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let second_result = match second_result{ [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `third_result` [INFO] [stderr] --> src/panics.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | let third_result = match third_result { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_third_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | let f = File::open("hello.txt")?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `both_integer` [INFO] [stderr] --> src/generics.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let both_integer = Point { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_both_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer_and_float` [INFO] [stderr] --> src/generics.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let integer_and_float = Point { x: 5, y: 4.0 }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer_and_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/traits.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let s = t.clone(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/traits.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let r = u.clone(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/matches.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/matches.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alabama` [INFO] [stderr] --> src/matches.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Alabama, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_panic` [INFO] [stderr] --> src/panics.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn make_panic(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `out_of_index_panic` [INFO] [stderr] --> src/panics.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn out_of_index_panic(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_map_error` [INFO] [stderr] --> src/panics.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn make_map_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_expect_error` [INFO] [stderr] --> src/panics.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn make_expect_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `general_larget` [INFO] [stderr] --> src/generics.rs:53:4 [INFO] [stderr] | [INFO] [stderr] 53 | fn general_larget(list: &[T])->T{ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify` [INFO] [stderr] --> src/traits.rs:35:8 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn notify(item: impl Summary) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_overload` [INFO] [stderr] --> src/traits.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn notify_overload(item1: T, item2: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_adding_traits` [INFO] [stderr] --> src/traits.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn notify_adding_traits(item: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function` [INFO] [stderr] --> src/traits.rs:48:4 [INFO] [stderr] | [INFO] [stderr] 48 | fn some_function(t: T, u: U) -> i32 [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_summarizable` [INFO] [stderr] --> src/traits.rs:59:4 [INFO] [stderr] | [INFO] [stderr] 59 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/traits.rs:89:8 [INFO] [stderr] | [INFO] [stderr] 89 | struct Pair { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/traits.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | fn new(x: T, y: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cmp_display` [INFO] [stderr] --> src/traits.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn cmp_display(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/matches.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/matches.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let f = match f{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let f = File::open("hello.txt").map_err(|error| { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let f = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/panics.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let res = match res{ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `second_result` [INFO] [stderr] --> src/panics.rs:100:9 [INFO] [stderr] | [INFO] [stderr] 100 | let second_result = match second_result{ [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `third_result` [INFO] [stderr] --> src/panics.rs:107:9 [INFO] [stderr] | [INFO] [stderr] 107 | let third_result = match third_result { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_third_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/panics.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | let f = File::open("hello.txt")?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `both_integer` [INFO] [stderr] --> src/generics.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | let both_integer = Point { x: 5, y: 10 }; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_both_integer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `integer_and_float` [INFO] [stderr] --> src/generics.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let integer_and_float = Point { x: 5, y: 4.0 }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer_and_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/traits.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let s = t.clone(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/traits.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let r = u.clone(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: 30 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/matches.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/matches.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alabama` [INFO] [stderr] --> src/matches.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Alabama, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_panic` [INFO] [stderr] --> src/panics.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn make_panic(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `out_of_index_panic` [INFO] [stderr] --> src/panics.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn out_of_index_panic(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_map_error` [INFO] [stderr] --> src/panics.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn make_map_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_expect_error` [INFO] [stderr] --> src/panics.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn make_expect_error(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `general_larget` [INFO] [stderr] --> src/generics.rs:53:4 [INFO] [stderr] | [INFO] [stderr] 53 | fn general_larget(list: &[T])->T{ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify` [INFO] [stderr] --> src/traits.rs:35:8 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn notify(item: impl Summary) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_overload` [INFO] [stderr] --> src/traits.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn notify_overload(item1: T, item2: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify_adding_traits` [INFO] [stderr] --> src/traits.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn notify_adding_traits(item: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function` [INFO] [stderr] --> src/traits.rs:48:4 [INFO] [stderr] | [INFO] [stderr] 48 | fn some_function(t: T, u: U) -> i32 [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_summarizable` [INFO] [stderr] --> src/traits.rs:59:4 [INFO] [stderr] | [INFO] [stderr] 59 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/traits.rs:89:8 [INFO] [stderr] | [INFO] [stderr] 89 | struct Pair { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/traits.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | fn new(x: T, y: T) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cmp_display` [INFO] [stderr] --> src/traits.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn cmp_display(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 30 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `"docker" "inspect" "17850b47a934306d58dc626f4a2cecd53e4a0a6cf93813d5170dee238d801bb2"` [INFO] running `"docker" "rm" "-f" "17850b47a934306d58dc626f4a2cecd53e4a0a6cf93813d5170dee238d801bb2"` [INFO] [stdout] 17850b47a934306d58dc626f4a2cecd53e4a0a6cf93813d5170dee238d801bb2