[INFO] cloning repository https://github.com/krahul3790/SimpleCacheRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krahul3790/SimpleCacheRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrahul3790%2FSimpleCacheRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrahul3790%2FSimpleCacheRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 125fdfd383bb75f6b88b89b36fab969fa2099060
[INFO] checking krahul3790/SimpleCacheRust against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrahul3790%2FSimpleCacheRust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krahul3790/SimpleCacheRust on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krahul3790/SimpleCacheRust
[INFO] finished tweaking git repo https://github.com/krahul3790/SimpleCacheRust
[INFO] tweaked toml for git repo https://github.com/krahul3790/SimpleCacheRust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/krahul3790/SimpleCacheRust 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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e7b824c2cea8e442ca7b4b8d54cde98505b03f2a6c52b3aff6ad1aa01a67804
[INFO] running `Command { std: "docker" "start" "-a" "4e7b824c2cea8e442ca7b4b8d54cde98505b03f2a6c52b3aff6ad1aa01a67804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7b824c2cea8e442ca7b4b8d54cde98505b03f2a6c52b3aff6ad1aa01a67804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7b824c2cea8e442ca7b4b8d54cde98505b03f2a6c52b3aff6ad1aa01a67804", kill_on_drop: false }`
[INFO] [stdout] 4e7b824c2cea8e442ca7b4b8d54cde98505b03f2a6c52b3aff6ad1aa01a67804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c449f29c396170ae0f8d8832c043b5e342f00aabb80dbe25c39388b12ce3f5b4
[INFO] running `Command { std: "docker" "start" "-a" "c449f29c396170ae0f8d8832c043b5e342f00aabb80dbe25c39388b12ce3f5b4", kill_on_drop: false }`
[INFO] [stderr]     Checking my-new-cache-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new_with_capacity`, `size`, `get`, `delete_key`, and `contains_key` are never used
[INFO] [stdout]   --> src/core/my_cache_mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<K: Eq + Hash + Clone, V: Clone> Cache<K, V> {
[INFO] [stdout]    | ------------------------------------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn new_with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn get(&mut self, key: &K) -> Option<&V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn delete_key(&mut self, key: K) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn contains_key(&self, key: &K) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "c449f29c396170ae0f8d8832c043b5e342f00aabb80dbe25c39388b12ce3f5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c449f29c396170ae0f8d8832c043b5e342f00aabb80dbe25c39388b12ce3f5b4", kill_on_drop: false }`
[INFO] [stdout] c449f29c396170ae0f8d8832c043b5e342f00aabb80dbe25c39388b12ce3f5b4