[INFO] updating cached repository https://github.com/Farteen/rust_algorithm_learning [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] 86e6d1ecd023d7989f511561d4cb4676bf5e5bce [INFO] testing Farteen/rust_algorithm_learning against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarteen%2Frust_algorithm_learning" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Farteen/rust_algorithm_learning on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Farteen/rust_algorithm_learning [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/Farteen/rust_algorithm_learning [INFO] tweaked toml for git repo https://github.com/Farteen/rust_algorithm_learning written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/Farteen/rust_algorithm_learning already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] aa8b9125a0c4fec4b17e38a01d3025d7d5f752f601b2a27835532f3cec7ada00 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "aa8b9125a0c4fec4b17e38a01d3025d7d5f752f601b2a27835532f3cec7ada00"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `"docker" "inspect" "aa8b9125a0c4fec4b17e38a01d3025d7d5f752f601b2a27835532f3cec7ada00"` [INFO] running `"docker" "rm" "-f" "aa8b9125a0c4fec4b17e38a01d3025d7d5f752f601b2a27835532f3cec7ada00"` [INFO] [stdout] aa8b9125a0c4fec4b17e38a01d3025d7d5f752f601b2a27835532f3cec7ada00 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 72b408542e9931202a69d984e9f9547335af293ec025665a91ab11cffbd4edf6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "72b408542e9931202a69d984e9f9547335af293ec025665a91ab11cffbd4edf6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::string::ToString` [INFO] [stderr] --> test/basic/test_ref_cell_mock.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | use std::string::ToString; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> test/pattern/test_refutability.rs:67:45 [INFO] [stderr] | [INFO] [stderr] 67 | Message::Hello { id: id_variable @ 3...7 } => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> test/pattern/test_refutability.rs:70:32 [INFO] [stderr] | [INFO] [stderr] 70 | Message::Hello { id: 10...12} => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> test/basic/test_box_deref_trait.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let d = CustomSmartPointer { data: String::from("other stuff")}; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> test/basic/test_box_deref_trait.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let b = Cons(3, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> test/basic/test_box_deref_trait.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let c = Cons(4, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> test/basic/test_ref_cell_mock.rs:35:20 [INFO] [stderr] | [INFO] [stderr] 35 | fn send(&self, msg: &str) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> test/sort/bubble_sort.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | for i in (0..length).rev() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arr` [INFO] [stderr] --> test/sort/merge_sort.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | fn sort_process(arr: &[i32], l: i32, r: i32) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> test/sort/heap_sort.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | for i in 0..length { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `counter` [INFO] [stderr] --> test/concurrent/test_state_sharing.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let counter = Rc::new(Mutex::new(0)); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `some_option_value` [INFO] [stderr] --> test/pattern/test_refutability.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let some_option_value: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_option_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum_of_squares` [INFO] [stderr] --> test/pattern/test_refutability.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let sum_of_squares: i32 = points [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_of_squares` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> test/pattern/test_refutability.rs:73:25 [INFO] [stderr] | [INFO] [stderr] 73 | Message::Hello {id} => { [INFO] [stderr] | ^^ help: try ignoring the field: `id: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> test/advance_unsafe/test_unsafe_raw_pointer.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let r1 = &num as *const i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r2` [INFO] [stderr] --> test/advance_unsafe/test_unsafe_raw_pointer.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let r2 = &mut num as *mut i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> test/advance_unsafe/test_unsafe_raw_pointer.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let r = address as *const i32; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> test/sort/bubble_sort.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut target = arr.clone(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> test/sort/merge_sort.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut target = arr.clone(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `send` [INFO] [stderr] --> test/basic/test_ref_cell_mock.rs:35:8 [INFO] [stderr] | [INFO] [stderr] 35 | fn send(&self, msg: &str) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bubble_sort_from_end` [INFO] [stderr] --> test/sort/bubble_sort.rs:28:4 [INFO] [stderr] | [INFO] [stderr] 28 | fn bubble_sort_from_end(arr: &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_process` [INFO] [stderr] --> test/sort/merge_sort.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn sort_process(arr: &[i32], l: i32, r: i32) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `heap_sort` [INFO] [stderr] --> test/sort/heap_sort.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn heap_sort(arr: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `AveragedCollection` [INFO] [stderr] --> test/oop/test_oop_collection.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct AveragedCollection { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add` [INFO] [stderr] --> test/oop/test_oop_collection.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn add(&mut self, value: i32){ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove` [INFO] [stderr] --> test/oop/test_oop_collection.rs:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn remove(&mut self) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `average` [INFO] [stderr] --> test/oop/test_oop_collection.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn average(&self) -> f64 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `update_average` [INFO] [stderr] --> test/oop/test_oop_collection.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 28 | fn update_average(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `center` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | center: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `radius` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | radius: i32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `lt` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | lt: Point, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | width: i32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | height: i32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `outerIndex` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | for outerIndex in 0..length-1 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `outer_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `innerIndex` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | for innerIndex in outerIndex..length - 1 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `inner_index` [INFO] [stderr] [INFO] [stderr] warning: variable `leftValue` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | let leftValue = target[innerIndex]; [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `left_value` [INFO] [stderr] [INFO] [stderr] warning: variable `rightValue` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let rightValue = target[innerIndex + 1]; [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `right_value` [INFO] [stderr] [INFO] [stderr] warning: variable `leftValue` should have a snake case name [INFO] [stderr] --> test/sort/insertion_sort.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | let leftValue = target[j - 1]; [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `left_value` [INFO] [stderr] [INFO] [stderr] warning: variable `currentValue` should have a snake case name [INFO] [stderr] --> test/sort/insertion_sort.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let currentValue = target[j]; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_value` [INFO] [stderr] [INFO] [stderr] warning: 39 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.01s [INFO] running `"docker" "inspect" "72b408542e9931202a69d984e9f9547335af293ec025665a91ab11cffbd4edf6"` [INFO] running `"docker" "rm" "-f" "72b408542e9931202a69d984e9f9547335af293ec025665a91ab11cffbd4edf6"` [INFO] [stdout] 72b408542e9931202a69d984e9f9547335af293ec025665a91ab11cffbd4edf6 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5dcf45ea4b4eda2a6cda1272892c2fffe0a90f63c0f2f5756f7545f1a0cd93f1 [INFO] running `"docker" "start" "-a" "5dcf45ea4b4eda2a6cda1272892c2fffe0a90f63c0f2f5756f7545f1a0cd93f1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::string::ToString` [INFO] [stderr] --> test/basic/test_ref_cell_mock.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | use std::string::ToString; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> test/pattern/test_refutability.rs:67:45 [INFO] [stderr] | [INFO] [stderr] 67 | Message::Hello { id: id_variable @ 3...7 } => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> test/pattern/test_refutability.rs:70:32 [INFO] [stderr] | [INFO] [stderr] 70 | Message::Hello { id: 10...12} => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> test/basic/test_box_deref_trait.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let d = CustomSmartPointer { data: String::from("other stuff")}; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> test/basic/test_box_deref_trait.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | let b = Cons(3, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> test/basic/test_box_deref_trait.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let c = Cons(4, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `msg` [INFO] [stderr] --> test/basic/test_ref_cell_mock.rs:35:20 [INFO] [stderr] | [INFO] [stderr] 35 | fn send(&self, msg: &str) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> test/sort/bubble_sort.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | for i in (0..length).rev() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arr` [INFO] [stderr] --> test/sort/merge_sort.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | fn sort_process(arr: &[i32], l: i32, r: i32) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> test/sort/heap_sort.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | for i in 0..length { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `counter` [INFO] [stderr] --> test/concurrent/test_state_sharing.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let counter = Rc::new(Mutex::new(0)); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `some_option_value` [INFO] [stderr] --> test/pattern/test_refutability.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let some_option_value: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_option_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum_of_squares` [INFO] [stderr] --> test/pattern/test_refutability.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let sum_of_squares: i32 = points [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_of_squares` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> test/pattern/test_refutability.rs:73:25 [INFO] [stderr] | [INFO] [stderr] 73 | Message::Hello {id} => { [INFO] [stderr] | ^^ help: try ignoring the field: `id: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> test/advance_unsafe/test_unsafe_raw_pointer.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | let r1 = &num as *const i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r2` [INFO] [stderr] --> test/advance_unsafe/test_unsafe_raw_pointer.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let r2 = &mut num as *mut i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> test/advance_unsafe/test_unsafe_raw_pointer.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let r = address as *const i32; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> test/sort/bubble_sort.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut target = arr.clone(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> test/sort/merge_sort.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut target = arr.clone(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `send` [INFO] [stderr] --> test/basic/test_ref_cell_mock.rs:35:8 [INFO] [stderr] | [INFO] [stderr] 35 | fn send(&self, msg: &str) { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bubble_sort_from_end` [INFO] [stderr] --> test/sort/bubble_sort.rs:28:4 [INFO] [stderr] | [INFO] [stderr] 28 | fn bubble_sort_from_end(arr: &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sort_process` [INFO] [stderr] --> test/sort/merge_sort.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn sort_process(arr: &[i32], l: i32, r: i32) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `heap_sort` [INFO] [stderr] --> test/sort/heap_sort.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn heap_sort(arr: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `AveragedCollection` [INFO] [stderr] --> test/oop/test_oop_collection.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct AveragedCollection { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add` [INFO] [stderr] --> test/oop/test_oop_collection.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn add(&mut self, value: i32){ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove` [INFO] [stderr] --> test/oop/test_oop_collection.rs:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn remove(&mut self) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `average` [INFO] [stderr] --> test/oop/test_oop_collection.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn average(&self) -> f64 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `update_average` [INFO] [stderr] --> test/oop/test_oop_collection.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 28 | fn update_average(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `center` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | center: Point, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `radius` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | radius: i32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `lt` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | lt: Point, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | width: i32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> test/oop/test_trait_morphism.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | height: i32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `outerIndex` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | for outerIndex in 0..length-1 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `outer_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `innerIndex` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | for innerIndex in outerIndex..length - 1 { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `inner_index` [INFO] [stderr] [INFO] [stderr] warning: variable `leftValue` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | let leftValue = target[innerIndex]; [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `left_value` [INFO] [stderr] [INFO] [stderr] warning: variable `rightValue` should have a snake case name [INFO] [stderr] --> test/sort/bubble_sort.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let rightValue = target[innerIndex + 1]; [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `right_value` [INFO] [stderr] [INFO] [stderr] warning: variable `leftValue` should have a snake case name [INFO] [stderr] --> test/sort/insertion_sort.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | let leftValue = target[j - 1]; [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `left_value` [INFO] [stderr] [INFO] [stderr] warning: variable `currentValue` should have a snake case name [INFO] [stderr] --> test/sort/insertion_sort.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let currentValue = target[j]; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_value` [INFO] [stderr] [INFO] [stderr] warning: 39 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/algorithm-c44bc6de71d3e213 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/test-a5cee9f453e8b990 [INFO] [stdout] [INFO] [stdout] running 41 tests [INFO] [stdout] test advance_unsafe::test_access_modify_global_variable::test_access_modify_global_variable ... ok [INFO] [stdout] test advance_unsafe::test_unsafe_abstract::test_unsafe_abstract ... ok [INFO] [stdout] test advance_unsafe::test_extern_method_call::test_extern_method_call ... ok [INFO] [stdout] test advance_unsafe::test_unsafe_raw_pointer::test_arbitary_memory_address ... ok [INFO] [stdout] test advance_unsafe::test_unsafe_raw_pointer::test_unsafe_raw_pointer ... ok [INFO] [stdout] test advanced_trait::test_advanced_trait::test_advanced_trait ... ok [INFO] [stdout] test advance_unsafe::test_unsafe_method_call::test_unsafe_method_call ... ok [INFO] [stdout] test basic::test_closure_borrow::closure_borrow ... ok [INFO] [stdout] test advance_unsafe::test_unsafe_raw_pointer::test_access_raw_pointer_in_unsafe ... ok [INFO] [stdout] test basic::test_box_deref_trait::test_box_deref_trait ... ok [INFO] [stdout] test basic::test_box_deref_trait::test_deref_point ... ok [INFO] [stdout] test basic::test_box_deref_trait::test_drop_trait ... ok [INFO] [stdout] test basic::test_box_deref_trait::test_ref_cell ... ok [INFO] [stdout] test basic::test_ref_ref_cell_mul_mut_owner::test_ref_ref_cell_mul_mut_owner ... ok [INFO] [stdout] test basic::test_ref_cell_mock::tests::it_sends_an_over_75_percent_warning_message ... ok [INFO] [stdout] test basic::test_ref_weak::test_ref_weak ... ok [INFO] [stdout] test concurrent::test_message_passing::test_message_passing ... ok [INFO] [stdout] test concurrent::test_message_passing::test_message_passing_in_thread ... ok [INFO] [stdout] test concurrent::test_state_sharing::test_multi_thread_multi_ownership ... ok [INFO] [stdout] Here's a vector: [1, 2, 3] [INFO] [stderr] [INFO] [stderr] thread 'basic::test_memory_leak::test_memory_leak_retain_cycle' has overflowed its stack [INFO] [stderr] fatal runtime error: stack overflow [INFO] [stderr] error: test failed, to rerun pass '--test test' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/test-a5cee9f453e8b990` (signal: 6, SIGABRT: process abort signal) [INFO] running `"docker" "inspect" "5dcf45ea4b4eda2a6cda1272892c2fffe0a90f63c0f2f5756f7545f1a0cd93f1"` [INFO] running `"docker" "rm" "-f" "5dcf45ea4b4eda2a6cda1272892c2fffe0a90f63c0f2f5756f7545f1a0cd93f1"` [INFO] [stdout] 5dcf45ea4b4eda2a6cda1272892c2fffe0a90f63c0f2f5756f7545f1a0cd93f1