[INFO] cloning repository https://github.com/Brahim-Amrouche/HackeRankPrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Brahim-Amrouche/HackeRankPrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrahim-Amrouche%2FHackeRankPrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrahim-Amrouche%2FHackeRankPrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4295b48fa002f46703c8c5d28b8777207656cdb
[INFO] checking Brahim-Amrouche/HackeRankPrep against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrahim-Amrouche%2FHackeRankPrep" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Brahim-Amrouche/HackeRankPrep on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Brahim-Amrouche/HackeRankPrep
[INFO] finished tweaking git repo https://github.com/Brahim-Amrouche/HackeRankPrep
[INFO] tweaked toml for git repo https://github.com/Brahim-Amrouche/HackeRankPrep written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Brahim-Amrouche/HackeRankPrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 653e85d333b2b3a6808d747064d62c6fc720dafb0dfe7da807ca416edf128205
[INFO] running `Command { std: "docker" "start" "-a" "653e85d333b2b3a6808d747064d62c6fc720dafb0dfe7da807ca416edf128205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "653e85d333b2b3a6808d747064d62c6fc720dafb0dfe7da807ca416edf128205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653e85d333b2b3a6808d747064d62c6fc720dafb0dfe7da807ca416edf128205", kill_on_drop: false }`
[INFO] [stdout] 653e85d333b2b3a6808d747064d62c6fc720dafb0dfe7da807ca416edf128205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a969d9f822c606bf63b914f64522447075782fe86dfc7056d854f9f5ed24bcc0
[INFO] running `Command { std: "docker" "start" "-a" "a969d9f822c606bf63b914f64522447075782fe86dfc7056d854f9f5ed24bcc0", kill_on_drop: false }`
[INFO] [stderr]     Checking HackeRankPrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/lonely_integer.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/lonely_integer.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flippingBits` should have a snake case name
[INFO] [stdout]   --> src/bin/fliping_bits.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn flippingBits(n: i64) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `flipping_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/bin/time_conversion.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/plus_minus.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plusMinus` should have a snake case name
[INFO] [stdout]  --> src/bin/plus_minus.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn plusMinus(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^ help: convert the identifier to snake case: `plus_minus`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeConversion` should have a snake case name
[INFO] [stdout]   --> src/bin/time_conversion.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |  fn timeConversion(s: &str) -> String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `time_conversion`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradingStudents` should have a snake case name
[INFO] [stdout]  --> src/bin/grading_students.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `grading_students`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchingStrings` should have a snake case name
[INFO] [stdout]   --> src/bin/sparse_arrays.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn matchingStrings(strings: &[String], queries: &[String]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `matching_strings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::time`
[INFO] [stdout]  --> src/bin/time_conversion.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::time;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Reverse`
[INFO] [stdout]  --> src/bin/min_max_sum.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Reverse;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Reverse`
[INFO] [stdout]  --> src/bin/min_max_sum.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Reverse;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flippingBits` should have a snake case name
[INFO] [stdout]   --> src/bin/fliping_bits.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn flippingBits(n: i64) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `flipping_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `miniMaxSum` should have a snake case name
[INFO] [stdout]   --> src/bin/min_max_sum.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn miniMaxSum(arr: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `mini_max_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `miniMaxSum` should have a snake case name
[INFO] [stdout]   --> src/bin/min_max_sum.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn miniMaxSum(arr: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `mini_max_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/plus_minus.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plusMinus` should have a snake case name
[INFO] [stdout]  --> src/bin/plus_minus.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn plusMinus(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^ help: convert the identifier to snake case: `plus_minus`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchingStrings` should have a snake case name
[INFO] [stdout]   --> src/bin/sparse_arrays.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn matchingStrings(strings: &[String], queries: &[String]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `matching_strings`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeConversion` should have a snake case name
[INFO] [stdout]   --> src/bin/time_conversion.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |  fn timeConversion(s: &str) -> String {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `time_conversion`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradingStudents` should have a snake case name
[INFO] [stdout]  --> src/bin/grading_students.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `grading_students`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a969d9f822c606bf63b914f64522447075782fe86dfc7056d854f9f5ed24bcc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a969d9f822c606bf63b914f64522447075782fe86dfc7056d854f9f5ed24bcc0", kill_on_drop: false }`
[INFO] [stdout] a969d9f822c606bf63b914f64522447075782fe86dfc7056d854f9f5ed24bcc0
