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[INFO] [stdout] 4c1c31d256445abedcd56af25988f60fbf75c8a8
[INFO] building qwerty32123/HuffmanDecoder against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqwerty32123%2FHuffmanDecoder" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qwerty32123/HuffmanDecoder
[INFO] finished tweaking git repo https://github.com/qwerty32123/HuffmanDecoder
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[INFO] crate git repo https://github.com/qwerty32123/HuffmanDecoder already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling HuffmanDecoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `shm_fd` is never read
[INFO] [stdout]   --> src/memory/server.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct SharedMemoryServer {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 27 |     #[cfg(unix)]
[INFO] [stdout] 28 |     shm_fd: std::fs::File,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CacheExpired` is never constructed
[INFO] [stdout]   --> src/data/cache.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum CacheError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     CacheExpired,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache_duration` is never read
[INFO] [stdout]   --> src/data/cache.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct CacheManager {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 49 |     cache_duration: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_cache` is never used
[INFO] [stdout]   --> src/data/cache.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl CacheManager {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn save_cache(&self, data: &One, filename: &str) -> Result<(), CacheError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 35s
[INFO] running `Command { std: "docker" "inspect" "0fd9c4a1649eb5984fc655f9971312bc1f6eceb8965649dea59be364bdd763bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd9c4a1649eb5984fc655f9971312bc1f6eceb8965649dea59be364bdd763bf", kill_on_drop: false }`
[INFO] [stdout] 0fd9c4a1649eb5984fc655f9971312bc1f6eceb8965649dea59be364bdd763bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33da77a65a43eaf04491f7be86ef4641b8f838bd5b14059be398a88c499ef0a4
[INFO] running `Command { std: "docker" "start" "-a" "33da77a65a43eaf04491f7be86ef4641b8f838bd5b14059be398a88c499ef0a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling HuffmanDecoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `shm_fd` is never read
[INFO] [stdout]   --> src/memory/server.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct SharedMemoryServer {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 27 |     #[cfg(unix)]
[INFO] [stdout] 28 |     shm_fd: std::fs::File,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CacheExpired` is never constructed
[INFO] [stdout]   --> src/data/cache.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum CacheError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     CacheExpired,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache_duration` is never read
[INFO] [stdout]   --> src/data/cache.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct CacheManager {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 49 |     cache_duration: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `save_cache` is never used
[INFO] [stdout]   --> src/data/cache.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl CacheManager {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn save_cache(&self, data: &One, filename: &str) -> Result<(), CacheError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "33da77a65a43eaf04491f7be86ef4641b8f838bd5b14059be398a88c499ef0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33da77a65a43eaf04491f7be86ef4641b8f838bd5b14059be398a88c499ef0a4", kill_on_drop: false }`
[INFO] [stdout] 33da77a65a43eaf04491f7be86ef4641b8f838bd5b14059be398a88c499ef0a4
