[INFO] crate treez 1.1.0 is already in cache [INFO] checking treez-1.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate treez 1.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate treez 1.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate treez 1.1.0 [INFO] finished tweaking crates.io crate treez 1.1.0 [INFO] tweaked toml for crates.io crate treez 1.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4259f2d5a661b869be9056e11642a0992cd82dd1096ac81e7d928d99edcb1358 [INFO] running `"docker" "start" "-a" "4259f2d5a661b869be9056e11642a0992cd82dd1096ac81e7d928d99edcb1358"` [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking mazth v0.0.0 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking crossbeam v0.4.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking treez v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/backtrack.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Ordering`, `self` [INFO] [stderr] --> src/treap2.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::{self,Ordering}; [INFO] [stderr] | ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/treap2.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/treap2.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::{HashSet,HashMap}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DerefMut`, `Deref` [INFO] [stderr] --> src/treap2.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ops::{Deref,DerefMut}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RefMut` [INFO] [stderr] --> src/treap2.rs:6:25 [INFO] [stderr] | [INFO] [stderr] 6 | use std::cell::{RefCell,RefMut}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::chrono::prelude::*` [INFO] [stderr] --> src/treap2.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use self::chrono::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stderr] --> src/treap2.rs:654:24 [INFO] [stderr] | [INFO] [stderr] 654 | let t_l = match(l){ [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stderr] --> src/treap2.rs:665:24 [INFO] [stderr] | [INFO] [stderr] 665 | let t_r = match(r){ [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'sarsa::rand::distributions::IndependentSample': use Distribution instead [INFO] [stderr] --> src/policy.rs:9:33 [INFO] [stderr] | [INFO] [stderr] 9 | use self::rand::distributions::{IndependentSample, Range}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/treap2.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::{self,Ordering}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/treap2.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/treap2.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | use std::collections::{HashSet,HashMap}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DerefMut`, `Deref` [INFO] [stderr] --> src/treap2.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ops::{Deref,DerefMut}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RefMut` [INFO] [stderr] --> src/treap2.rs:6:25 [INFO] [stderr] | [INFO] [stderr] 6 | use std::cell::{RefCell,RefMut}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stderr] --> src/treap2.rs:654:24 [INFO] [stderr] | [INFO] [stderr] 654 | let t_l = match(l){ [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression [INFO] [stderr] --> src/treap2.rs:665:24 [INFO] [stderr] | [INFO] [stderr] 665 | let t_r = match(r){ [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1787:50 [INFO] [stderr] | [INFO] [stderr] 1787 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1804:50 [INFO] [stderr] | [INFO] [stderr] 1804 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1843:50 [INFO] [stderr] | [INFO] [stderr] 1843 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1857:50 [INFO] [stderr] | [INFO] [stderr] 1857 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1896:50 [INFO] [stderr] | [INFO] [stderr] 1896 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1910:50 [INFO] [stderr] | [INFO] [stderr] 1910 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1922:50 [INFO] [stderr] | [INFO] [stderr] 1922 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1961:50 [INFO] [stderr] | [INFO] [stderr] 1961 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:1975:50 [INFO] [stderr] | [INFO] [stderr] 1975 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:2108:54 [INFO] [stderr] | [INFO] [stderr] 2108 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/treap2.rs:2133:54 [INFO] [stderr] | [INFO] [stderr] 2133 | .for_each(|(a,b)| assert!(equal_f32( (*a as f32), *b ) ) ); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'sarsa::rand::distributions::IndependentSample': use Distribution instead [INFO] [stderr] --> src/policy.rs:9:33 [INFO] [stderr] | [INFO] [stderr] 9 | use self::rand::distributions::{IndependentSample, Range}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'sarsa::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> src/policy.rs:20:20 [INFO] [stderr] | [INFO] [stderr] 20 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'sarsa::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> src/policy.rs:32:30 [INFO] [stderr] | [INFO] [stderr] 32 | let i = bounds_array.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'sarsa::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> src/policy.rs:65:20 [INFO] [stderr] | [INFO] [stderr] 65 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning[E0170]: pattern binding `Empty` is named the same as one of the variants of the type `treap::SearchResult` [INFO] [stderr] --> src/treap2.rs:234:13 [INFO] [stderr] | [INFO] [stderr] 234 | Empty => { [INFO] [stderr] | ^^^^^ help: to match on the variant, qualify the path: `treap::SearchResult::Empty` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/treap2.rs:204:21 [INFO] [stderr] | [INFO] [stderr] 204 | let root = x.fixup_priority(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root2` [INFO] [stderr] --> src/treap2.rs:207:21 [INFO] [stderr] | [INFO] [stderr] 207 | let root2 = x.fixdown_priority(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_root2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/treap2.rs:230:21 [INFO] [stderr] | [INFO] [stderr] 230 | let root = child.as_ref().unwrap().fixup_priority(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Empty` [INFO] [stderr] --> src/treap2.rs:234:13 [INFO] [stderr] | [INFO] [stderr] 234 | Empty => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_Empty` [INFO] [stderr] [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/treap2.rs:401:13 [INFO] [stderr] | [INFO] [stderr] 401 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_root` [INFO] [stderr] --> src/treap2.rs:700:22 [INFO] [stderr] | [INFO] [stderr] 700 | Some(new_root) => { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_root` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'sarsa::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> src/policy.rs:20:20 [INFO] [stderr] | [INFO] [stderr] 20 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'sarsa::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> src/policy.rs:32:30 [INFO] [stderr] | [INFO] [stderr] 32 | let i = bounds_array.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/rb.rs:129:17 [INFO] [stderr] | [INFO] [stderr] 129 | let mut leaf_dummy = Node { [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: use of deprecated item 'sarsa::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> src/policy.rs:65:20 [INFO] [stderr] | [INFO] [stderr] 65 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:400:13 [INFO] [stderr] | [INFO] [stderr] 400 | let mut x = self.clone(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:709:27 [INFO] [stderr] | [INFO] [stderr] 709 | pub fn union( & self, mut other: Self ) -> Self { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:781:31 [INFO] [stderr] | [INFO] [stderr] 781 | pub fn intersect( & self, mut other: Self ) -> Self { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:787:22 [INFO] [stderr] | [INFO] [stderr] 787 | let ( mut a, mut b ) = if self.prio() < other.prio() { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `Empty` should have a snake case name [INFO] [stderr] --> src/treap2.rs:234:13 [INFO] [stderr] | [INFO] [stderr] 234 | Empty => { [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `empty` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 26 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0170`. [INFO] [stderr] warning: use of deprecated item 'test_rb::rand::distributions::IndependentSample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:8:33 [INFO] [stderr] | [INFO] [stderr] 8 | use self::rand::distributions::{IndependentSample, Range}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::distributions::IndependentSample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:8:33 [INFO] [stderr] | [INFO] [stderr] 8 | use self::rand::distributions::{IndependentSample, Range}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning[E0170]: pattern binding `Empty` is named the same as one of the variants of the type `treap::SearchResult` [INFO] [stderr] --> src/treap2.rs:234:13 [INFO] [stderr] | [INFO] [stderr] 234 | Empty => { [INFO] [stderr] | ^^^^^ help: to match on the variant, qualify the path: `treap::SearchResult::Empty` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/treap2.rs:204:21 [INFO] [stderr] | [INFO] [stderr] 204 | let root = x.fixup_priority(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root2` [INFO] [stderr] --> src/treap2.rs:207:21 [INFO] [stderr] | [INFO] [stderr] 207 | let root2 = x.fixdown_priority(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_root2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/treap2.rs:230:21 [INFO] [stderr] | [INFO] [stderr] 230 | let root = child.as_ref().unwrap().fixup_priority(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Empty` [INFO] [stderr] --> src/treap2.rs:234:13 [INFO] [stderr] | [INFO] [stderr] 234 | Empty => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_Empty` [INFO] [stderr] [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> src/treap2.rs:401:13 [INFO] [stderr] | [INFO] [stderr] 401 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_root` [INFO] [stderr] --> src/treap2.rs:700:22 [INFO] [stderr] | [INFO] [stderr] 700 | Some(new_root) => { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_root` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'test_rb::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:217:24 [INFO] [stderr] | [INFO] [stderr] 217 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'test_rb::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:227:24 [INFO] [stderr] | [INFO] [stderr] 227 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/rb.rs:129:17 [INFO] [stderr] | [INFO] [stderr] 129 | let mut leaf_dummy = Node { [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: use of deprecated item 'test_rb::rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:256:78 [INFO] [stderr] | [INFO] [stderr] 256 | let mut nums : Vec = (0..1000000).enumerate().map( |(_,_)| bounds.ind_sample( & mut rng ) ).collect(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:217:24 [INFO] [stderr] | [INFO] [stderr] 217 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:227:24 [INFO] [stderr] | [INFO] [stderr] 227 | let r = bounds.ind_sample( & mut rng ); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::distributions::IndependentSample::ind_sample': use Distribution instead [INFO] [stderr] --> tests/test_rb.rs:256:78 [INFO] [stderr] | [INFO] [stderr] 256 | let mut nums : Vec = (0..1000000).enumerate().map( |(_,_)| bounds.ind_sample( & mut rng ) ).collect(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:400:13 [INFO] [stderr] | [INFO] [stderr] 400 | let mut x = self.clone(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:709:27 [INFO] [stderr] | [INFO] [stderr] 709 | pub fn union( & self, mut other: Self ) -> Self { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:781:31 [INFO] [stderr] | [INFO] [stderr] 781 | pub fn intersect( & self, mut other: Self ) -> Self { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:787:22 [INFO] [stderr] | [INFO] [stderr] 787 | let ( mut a, mut b ) = if self.prio() < other.prio() { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:973:9 [INFO] [stderr] | [INFO] [stderr] 973 | let mut n2 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:982:9 [INFO] [stderr] | [INFO] [stderr] 982 | let mut n3 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:991:9 [INFO] [stderr] | [INFO] [stderr] 991 | let mut n4 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1014:9 [INFO] [stderr] | [INFO] [stderr] 1014 | let mut r0 = NodePtr(Rc::new( RefCell::new(n0) )); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1118:29 [INFO] [stderr] | [INFO] [stderr] 1118 | SearchResult::Exact(mut x) => { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1174:9 [INFO] [stderr] | [INFO] [stderr] 1174 | let mut n2 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1183:9 [INFO] [stderr] | [INFO] [stderr] 1183 | let mut n3 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1192:9 [INFO] [stderr] | [INFO] [stderr] 1192 | let mut n4 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1215:9 [INFO] [stderr] | [INFO] [stderr] 1215 | let mut r0 = NodePtr(Rc::new( RefCell::new(n0) )); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1235:29 [INFO] [stderr] | [INFO] [stderr] 1235 | SearchResult::Exact(mut x) => { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1268:9 [INFO] [stderr] | [INFO] [stderr] 1268 | let mut r0 = { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1288:13 [INFO] [stderr] | [INFO] [stderr] 1288 | let mut n2 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1297:13 [INFO] [stderr] | [INFO] [stderr] 1297 | let mut n3 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1306:13 [INFO] [stderr] | [INFO] [stderr] 1306 | let mut n4 = Node { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1352:29 [INFO] [stderr] | [INFO] [stderr] 1352 | SearchResult::Exact(mut x) => { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1400:9 [INFO] [stderr] | [INFO] [stderr] 1400 | let mut t = NodePtr::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1457:9 [INFO] [stderr] | [INFO] [stderr] 1457 | let mut t = NodePtr::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1514:9 [INFO] [stderr] | [INFO] [stderr] 1514 | let mut t = NodePtr::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1559:9 [INFO] [stderr] | [INFO] [stderr] 1559 | let mut t = NodePtr::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:1607:9 [INFO] [stderr] | [INFO] [stderr] 1607 | let mut t = NodePtr::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2081:13 [INFO] [stderr] | [INFO] [stderr] 2081 | let mut t1 : NodePtr = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2082:13 [INFO] [stderr] | [INFO] [stderr] 2082 | let mut t2 = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2093:13 [INFO] [stderr] | [INFO] [stderr] 2093 | let mut t2 = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2117:13 [INFO] [stderr] | [INFO] [stderr] 2117 | let mut t1 = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2223:13 [INFO] [stderr] | [INFO] [stderr] 2223 | let mut t1 : NodePtr = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2224:13 [INFO] [stderr] | [INFO] [stderr] 2224 | let mut t2 = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2235:13 [INFO] [stderr] | [INFO] [stderr] 2235 | let mut t2 = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treap2.rs:2256:13 [INFO] [stderr] | [INFO] [stderr] 2256 | let mut t1 = NodePtr::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `equal_f32` [INFO] [stderr] --> src/treap2.rs:2142:8 [INFO] [stderr] | [INFO] [stderr] 2142 | fn equal_f32( a: f32, b: f32 ) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `equal_f32` [INFO] [stderr] --> src/treap2.rs:2214:8 [INFO] [stderr] | [INFO] [stderr] 2214 | fn equal_f32( a: f32, b: f32 ) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `equal_f32` [INFO] [stderr] --> src/treap2.rs:2278:8 [INFO] [stderr] | [INFO] [stderr] 2278 | fn equal_f32( a: f32, b: f32 ) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `equal_f32` [INFO] [stderr] --> src/treap2.rs:2353:8 [INFO] [stderr] | [INFO] [stderr] 2353 | fn equal_f32( a: f32, b: f32 ) -> bool { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `Empty` should have a snake case name [INFO] [stderr] --> src/treap2.rs:234:13 [INFO] [stderr] | [INFO] [stderr] 234 | Empty => { [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `empty` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 67 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0170`. [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.61s [INFO] running `"docker" "inspect" "4259f2d5a661b869be9056e11642a0992cd82dd1096ac81e7d928d99edcb1358"` [INFO] running `"docker" "rm" "-f" "4259f2d5a661b869be9056e11642a0992cd82dd1096ac81e7d928d99edcb1358"` [INFO] [stdout] 4259f2d5a661b869be9056e11642a0992cd82dd1096ac81e7d928d99edcb1358