[INFO] cloning repository https://github.com/Tunki1201/hackerrank_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tunki1201/hackerrank_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTunki1201%2Fhackerrank_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTunki1201%2Fhackerrank_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b88d20aed9b21d786c93d7392397b6bc4f8ba259 [INFO] checking Tunki1201/hackerrank_test against try#4949cf2f817beadb9a248d423b6d55d6d2398ffe for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTunki1201%2Fhackerrank_test" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Tunki1201/hackerrank_test [INFO] finished tweaking git repo https://github.com/Tunki1201/hackerrank_test [INFO] tweaked toml for git repo https://github.com/Tunki1201/hackerrank_test written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Tunki1201/hackerrank_test on toolchain 4949cf2f817beadb9a248d423b6d55d6d2398ffe [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Tunki1201/hackerrank_test 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" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 388c27cd11f571868b7f30f0a022219a6625fae2e41a822f7cdfcf3aa93d4a36 [INFO] running `Command { std: "docker" "start" "-a" "388c27cd11f571868b7f30f0a022219a6625fae2e41a822f7cdfcf3aa93d4a36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "388c27cd11f571868b7f30f0a022219a6625fae2e41a822f7cdfcf3aa93d4a36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "388c27cd11f571868b7f30f0a022219a6625fae2e41a822f7cdfcf3aa93d4a36", kill_on_drop: false }` [INFO] [stdout] 388c27cd11f571868b7f30f0a022219a6625fae2e41a822f7cdfcf3aa93d4a36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4949cf2f817beadb9a248d423b6d55d6d2398ffe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04de3c489f6d678a17ed4d68e775a4280c89918595df52e0ca3d32a3b3311e93 [INFO] running `Command { std: "docker" "start" "-a" "04de3c489f6d678a17ed4d68e775a4280c89918595df52e0ca3d32a3b3311e93", kill_on_drop: false }` [INFO] [stderr] Checking plus-minus v0.1.0 (/opt/rustwide/workdir/plus-minus) [INFO] [stderr] Checking flipping-bits v0.1.0 (/opt/rustwide/workdir/flipping-bits) [INFO] [stderr] Checking counting-valleys v0.1.0 (/opt/rustwide/workdir/counting-valleys) [INFO] [stderr] Checking divisible-sum-pairs v0.1.0 (/opt/rustwide/workdir/divisible-sum-pairs) [INFO] [stderr] Checking counting-sort v0.1.0 (/opt/rustwide/workdir/counting-sort) [INFO] [stderr] Checking mini-max-sum v0.1.0 (/opt/rustwide/workdir/mini-max-sum) [INFO] [stderr] Checking lonely-integer v0.1.0 (/opt/rustwide/workdir/lonely-integer) [INFO] [stderr] Checking mars-exploration v0.1.0 (/opt/rustwide/workdir/mars-exploration) [INFO] [stderr] Checking diagonal-difference v0.1.0 (/opt/rustwide/workdir/diagonal-difference) [INFO] [stderr] Checking pangrams v0.1.0 (/opt/rustwide/workdir/pangrams) [INFO] [stderr] Checking sparse-arrays v0.1.0 (/opt/rustwide/workdir/sparse-arrays) [INFO] [stdout] warning: unused variable: `steps` [INFO] [stdout] --> counting-valleys/src/main.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | fn counting_valleys(steps: i32, path: &str) -> i32 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `steps` [INFO] [stdout] --> counting-valleys/src/main.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | fn counting_valleys(steps: i32, path: &str) -> i32 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking read-inputs v0.1.0 (/opt/rustwide/workdir/read-inputs) [INFO] [stderr] Checking breaking-records v0.1.0 (/opt/rustwide/workdir/breaking-records) [INFO] [stderr] Checking camel-case v0.1.0 (/opt/rustwide/workdir/camel-case) [INFO] [stderr] Checking time-conversion v0.1.0 (/opt/rustwide/workdir/time-conversion) [INFO] [stderr] Checking grading-students v0.1.0 (/opt/rustwide/workdir/grading-students) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> read-inputs/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let n = stdin_iterator.next().unwrap().unwrap().trim().parse::().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: `values` [INFO] [stdout] --> read-inputs/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let values: Vec = stdin_iterator.next().unwrap().unwrap() [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> read-inputs/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let n = stdin_iterator.next().unwrap().unwrap().trim().parse::().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: `values` [INFO] [stdout] --> read-inputs/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let values: Vec = stdin_iterator.next().unwrap().unwrap() [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> grading-students/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let n = stdin_iterator.next().unwrap().unwrap().trim().parse::().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] --> grading-students/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let n = stdin_iterator.next().unwrap().unwrap().trim().parse::().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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "04de3c489f6d678a17ed4d68e775a4280c89918595df52e0ca3d32a3b3311e93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04de3c489f6d678a17ed4d68e775a4280c89918595df52e0ca3d32a3b3311e93", kill_on_drop: false }` [INFO] [stdout] 04de3c489f6d678a17ed4d68e775a4280c89918595df52e0ca3d32a3b3311e93