[INFO] cloning repository https://github.com/tigerfsh/sw_checking_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tigerfsh/sw_checking_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigerfsh%2Fsw_checking_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigerfsh%2Fsw_checking_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fe17becb03f233d22a4cf6fc70a993b1790b244
[INFO] checking tigerfsh/sw_checking_rs against 24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigerfsh%2Fsw_checking_rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tigerfsh/sw_checking_rs
[INFO] finished tweaking git repo https://github.com/tigerfsh/sw_checking_rs
[INFO] tweaked toml for git repo https://github.com/tigerfsh/sw_checking_rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tigerfsh/sw_checking_rs on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tigerfsh/sw_checking_rs 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" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c
[INFO] running `Command { std: "docker" "start" "24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c", 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" "24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c", 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" "24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking sw_checking_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `TrieData` is never used
[INFO] [stdout]  --> src/double_array_trie.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type TrieData = i32;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROOT_STATE` is never used
[INFO] [stdout]  --> src/double_array_trie.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ROOT_STATE: usize = 0;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DoubleArrayTrie` is never constructed
[INFO] [stdout]  --> src/double_array_trie.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct DoubleArrayTrie {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/double_array_trie.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl DoubleArrayTrie {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout]  18 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  38 |     fn resize(&mut self, new_size: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     pub fn store(&mut self, key: &str, data: TrieData) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn retrieve(&self, key: &str) -> Option<TrieData> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn delete(&mut self, key: &str) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn common_prefix_search(&self, key: &str) -> Vec<(String, TrieData)> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     fn calc_next_pos(&self, pos: usize, c: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     fn find_free_base(&mut self, children: &[(usize, usize)]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     fn update_grandchildren(&mut self, old_parent: usize, new_parent: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 231 |     fn relocate_node(&mut self, parent: usize, conflicting_char: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c", kill_on_drop: false }`
[INFO] [stdout] 24fd5ce5ae191e0dbf64928a18ff6538d379c329136b1e774dcbc20bf29b716c
