[INFO] cloning repository https://github.com/Aguirregzz97/doubly-linked-list
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aguirregzz97/doubly-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAguirregzz97%2Fdoubly-linked-list"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAguirregzz97%2Fdoubly-linked-list'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c55a81a734a06d5f48277ff036dd26400203153
[INFO] checking Aguirregzz97/doubly-linked-list against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAguirregzz97%2Fdoubly-linked-list" "/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/Aguirregzz97/doubly-linked-list on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Aguirregzz97/doubly-linked-list
[INFO] finished tweaking git repo https://github.com/Aguirregzz97/doubly-linked-list
[INFO] tweaked toml for git repo https://github.com/Aguirregzz97/doubly-linked-list written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Aguirregzz97/doubly-linked-list already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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=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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 03a9e7e1b931d37e13c1020b6645ce581f88b5e14161d0725b543fa3bf99eb41
[INFO] running `"docker" "start" "-a" "03a9e7e1b931d37e13c1020b6645ce581f88b5e14161d0725b543fa3bf99eb41"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |         if(self.size()==0 || self.size()<=index){
[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 `if` condition
[INFO] [stderr]    --> src/main.rs:163:12
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if (self.right.get_size() != 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:169:12
[INFO] [stderr]     |
[INFO] [stderr] 169 |         if (self.left.get_size() != 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:175:15
[INFO] [stderr]     |
[INFO] [stderr] 175 |         while (self.right.get_size() != 0) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:183:15
[INFO] [stderr]     |
[INFO] [stderr] 183 |         while (self.left.get_size() != index + 1) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:184:16
[INFO] [stderr]     |
[INFO] [stderr] 184 |             if (index + 1 > self.left.get_size()) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:253:15
[INFO] [stderr]     |
[INFO] [stderr] 253 |         while ((exp>>1)  < size ){
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:258:19
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 if( (idx - init) % exp == 0){
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:261:33
[INFO] [stderr]     |
[INFO] [stderr] 261 |                     let mut q = (exp>>1);
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:262:27
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     while (l>=r  && q>0){
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:274:23
[INFO] [stderr]     |
[INFO] [stderr] 274 |                     if(l!=None){
[INFO] [stderr]     |                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |                     q = (exp>>1);
[INFO] [stderr]     |                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:279:26
[INFO] [stderr]     |
[INFO] [stderr] 279 |                     while(b!=None){
[INFO] [stderr]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:280:27
[INFO] [stderr]     |
[INFO] [stderr] 280 |                         if(q>0 && r!=None && r<b){
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:304:23
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     if(r!=None){
[INFO] [stderr]     |                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:157:11
[INFO] [stderr]     |
[INFO] [stderr] 157 |         if(self.size()==0 || self.size()<=index){
[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 `if` condition
[INFO] [stderr]    --> src/main.rs:163:12
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if (self.right.get_size() != 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:169:12
[INFO] [stderr]     |
[INFO] [stderr] 169 |         if (self.left.get_size() != 0) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:175:15
[INFO] [stderr]     |
[INFO] [stderr] 175 |         while (self.right.get_size() != 0) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:183:15
[INFO] [stderr]     |
[INFO] [stderr] 183 |         while (self.left.get_size() != index + 1) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:184:16
[INFO] [stderr]     |
[INFO] [stderr] 184 |             if (index + 1 > self.left.get_size()) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:253:15
[INFO] [stderr]     |
[INFO] [stderr] 253 |         while ((exp>>1)  < size ){
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:258:19
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 if( (idx - init) % exp == 0){
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:261:33
[INFO] [stderr]     |
[INFO] [stderr] 261 |                     let mut q = (exp>>1);
[INFO] [stderr]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:262:27
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     while (l>=r  && q>0){
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:274:23
[INFO] [stderr]     |
[INFO] [stderr] 274 |                     if(l!=None){
[INFO] [stderr]     |                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:278:25
[INFO] [stderr]     |
[INFO] [stderr] 278 |                     q = (exp>>1);
[INFO] [stderr]     |                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:279:26
[INFO] [stderr]     |
[INFO] [stderr] 279 |                     while(b!=None){
[INFO] [stderr]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:280:27
[INFO] [stderr]     |
[INFO] [stderr] 280 |                         if(q>0 && r!=None && r<b){
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:304:23
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     if(r!=None){
[INFO] [stderr]     |                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut left_list = List::new();
[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]    --> src/main.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let mut right_list = List::new();
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut left_list = List::new();
[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]    --> src/main.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let mut right_list = List::new();
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "03a9e7e1b931d37e13c1020b6645ce581f88b5e14161d0725b543fa3bf99eb41"`
[INFO] running `"docker" "rm" "-f" "03a9e7e1b931d37e13c1020b6645ce581f88b5e14161d0725b543fa3bf99eb41"`
[INFO] [stdout] 03a9e7e1b931d37e13c1020b6645ce581f88b5e14161d0725b543fa3bf99eb41