[INFO] updating cached repository https://github.com/sdegetaus/hackerrank-challenges-rust [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] 338b1d2c61fe7a23509b537e4051a82744861a97 [INFO] checking sdegetaus/hackerrank-challenges-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdegetaus%2Fhackerrank-challenges-rust" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sdegetaus/hackerrank-challenges-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sdegetaus/hackerrank-challenges-rust [INFO] finished tweaking git repo https://github.com/sdegetaus/hackerrank-challenges-rust [INFO] tweaked toml for git repo https://github.com/sdegetaus/hackerrank-challenges-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/sdegetaus/hackerrank-challenges-rust already has a lockfile, it will not be regenerated [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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] cd55e05c2a3892ffa07ddcd7a8b9ad267d414a30a28a9f1e324d650ce9326b15 [INFO] running `"docker" "start" "-a" "cd55e05c2a3892ffa07ddcd7a8b9ad267d414a30a28a9f1e324d650ce9326b15"` [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking hackerrank-challenges-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: type `myCalculator` should have an upper camel case name [INFO] [stderr] --> src/challenges/thirty_days_of_code/day_17.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | struct myCalculator; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyCalculator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `myCalculator` should have an upper camel case name [INFO] [stderr] --> src/challenges/thirty_days_of_code/day_17.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | struct myCalculator; [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyCalculator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `input` is never read [INFO] [stderr] --> src/challenges/thirty_days_of_code/day_17.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut input: Vec = vec![]; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `input` is never read [INFO] [stderr] --> src/challenges/thirty_days_of_code/day_17.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut input: Vec = vec![]; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.59s [INFO] running `"docker" "inspect" "cd55e05c2a3892ffa07ddcd7a8b9ad267d414a30a28a9f1e324d650ce9326b15"` [INFO] running `"docker" "rm" "-f" "cd55e05c2a3892ffa07ddcd7a8b9ad267d414a30a28a9f1e324d650ce9326b15"` [INFO] [stdout] cd55e05c2a3892ffa07ddcd7a8b9ad267d414a30a28a9f1e324d650ce9326b15