[INFO] cloning repository https://github.com/buraksekili/lru-k
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buraksekili/lru-k" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburaksekili%2Flru-k", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburaksekili%2Flru-k'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18ebb5517a91fe2abc22ed7761c3d4adca929775
[INFO] checking buraksekili/lru-k against f1c52bf13c990fc425c542cc90a0396a87db24ba for pr-164812
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburaksekili%2Flru-k" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/buraksekili/lru-k
[INFO] finished tweaking git repo https://github.com/buraksekili/lru-k
[INFO] tweaked toml for git repo https://github.com/buraksekili/lru-k written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/buraksekili/lru-k on toolchain f1c52bf13c990fc425c542cc90a0396a87db24ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/buraksekili/lru-k 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" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3
[INFO] running `Command { std: "docker" "start" "bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking lruk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Timestamp` is never used
[INFO] [stdout]   --> src/lru_k.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | type Timestamp = u128;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageId` is never used
[INFO] [stdout]   --> src/lru_k.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | type PageId = u32;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HistoryBlock` is never constructed
[INFO] [stdout]   --> src/lru_k.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct HistoryBlock {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRUKBuffer` is never constructed
[INFO] [stdout]   --> src/lru_k.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct LRUKBuffer {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_backward_k_distance`, `update_correlated`, and `update_uncorrelated` are never used
[INFO] [stdout]    --> src/lru_k.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl HistoryBlock {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn new(k: usize, current_time: Timestamp, page_data: Vec<u8>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn get_backward_k_distance(&self, k: usize, current_time: Timestamp) -> error::Result<Timestamp> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn update_correlated(&mut self, current_time: Timestamp) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn update_uncorrelated(&mut self, current_time: Timestamp, k: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `current_time` is never used
[INFO] [stdout]    --> src/lru_k.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn current_time(add_seconds: Option<u64>) -> Timestamp {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `ref_page`, and `evict` are never used
[INFO] [stdout]    --> src/lru_k.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl LRUKBuffer {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 177 |     fn new(k: usize, buffer_size: usize, correlated_ref_period_secs: Timestamp) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub fn ref_page(&mut self, page_id: PageId, page_data: Option<Vec<u8>>) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     fn evict(&mut self, current_time: Timestamp) -> Option<HistoryBlock> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seconds_to_nanos` is never used
[INFO] [stdout]    --> src/lru_k.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn seconds_to_nanos(seconds: u64) -> Option<u128> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferError` is never constructed
[INFO] [stdout]  --> src/error.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct BufferError {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]  --> src/error.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Result<T, E = BufferError> = std::result::Result<T, E>;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `detail` is never read
[INFO] [stdout]  --> src/error.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct BufferError {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 3 |     pub detail: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BufferError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3", kill_on_drop: false }`
[INFO] [stdout] bb1dc21191515c135b64e2f44a91ee95dbed3bf446d15b08d22eba8fd2b5edd3
