[INFO] fetching crate bitcoin-sync 0.1.16-alpha.0...
[INFO] checking bitcoin-sync-0.1.16-alpha.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bitcoin-sync 0.1.16-alpha.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bitcoin-sync 0.1.16-alpha.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-sync 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoin-sync 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoin-sync 0.1.16-alpha.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c8c525152f8a8ca7c76aa80cf4f0dcdd9ad247199550a44e4d361f0fc44c04c
[INFO] running `Command { std: "docker" "start" "-a" "6c8c525152f8a8ca7c76aa80cf4f0dcdd9ad247199550a44e4d361f0fc44c04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c8c525152f8a8ca7c76aa80cf4f0dcdd9ad247199550a44e4d361f0fc44c04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8c525152f8a8ca7c76aa80cf4f0dcdd9ad247199550a44e4d361f0fc44c04c", kill_on_drop: false }`
[INFO] [stdout] 6c8c525152f8a8ca7c76aa80cf4f0dcdd9ad247199550a44e4d361f0fc44c04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5664e4d989098c66079b79f7a784d53872354863dec0f33d791380fac36b63e
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[INFO] [stderr]     Checking bitcoin-imports v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-cfg v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-derive v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-sync v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/sync_impl.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |             lock:      &mut UniqueLock<Base>,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guardname`
[INFO] [stdout]    --> src/sync_impl.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |             guardname: *const u8,
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guardname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/sync_impl.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             file:      *const u8,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/sync_impl.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             line:      i32) -> Self {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         psz_name: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         psz_file: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         n_line:   i32)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         psz_name: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         psz_file: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         n_line:   i32) -> bool {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_`
[INFO] [stdout]    --> src/sync_impl.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let try_: bool = try_.unwrap_or(false);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_try_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutex_in`
[INFO] [stdout]    --> src/sync_impl.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         mutex_in: &mut Mutex,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         psz_name: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         psz_file: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         n_line:   i32,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init`
[INFO] [stdout]    --> src/sync_impl.rs:390:16
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn new(init: i32) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grant`
[INFO] [stdout]    --> src/sync_impl.rs:511:31
[INFO] [stdout]     |
[INFO] [stdout] 511 |     pub fn move_to(&mut self, grant: &mut SemaphoreGrant)  {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_grant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_`
[INFO] [stdout]    --> src/sync_impl.rs:526:13
[INFO] [stdout]     |
[INFO] [stdout] 526 |         let try_:bool = try_.unwrap_or(false);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_try_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sema`
[INFO] [stdout]    --> src/sync_impl.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         sema: Amo<Semaphore>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:552:13
[INFO] [stdout]     |
[INFO] [stdout] 552 |             psz_name: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:553:13
[INFO] [stdout]     |
[INFO] [stdout] 553 |             psz_file: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:554:13
[INFO] [stdout]     |
[INFO] [stdout] 554 |             n_line:   i32,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 555 |             cs:       *mut MutexType,
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_`
[INFO] [stdout]    --> src/sync_impl.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |             try_:     bool)  { }
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_try_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:561:13
[INFO] [stdout]     |
[INFO] [stdout] 561 |             cs:        *mut c_void,
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lockname`
[INFO] [stdout]    --> src/sync_impl.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |             lockname:  &mut String,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lockname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guardname`
[INFO] [stdout]    --> src/sync_impl.rs:563:13
[INFO] [stdout]     |
[INFO] [stdout] 563 |             guardname: *const u8,
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guardname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/sync_impl.rs:564:13
[INFO] [stdout]     |
[INFO] [stdout] 564 |             file:      *const u8,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/sync_impl.rs:565:13
[INFO] [stdout]     |
[INFO] [stdout] 565 |             line:      i32)  { }
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:569:13
[INFO] [stdout]     |
[INFO] [stdout] 569 |             psz_name: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:570:13
[INFO] [stdout]     |
[INFO] [stdout] 570 |             psz_file: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:571:13
[INFO] [stdout]     |
[INFO] [stdout] 571 |             n_line:   i32,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             cs:       *mut MutexType)  { }
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:576:13
[INFO] [stdout]     |
[INFO] [stdout] 576 |             psz_name: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:577:13
[INFO] [stdout]     |
[INFO] [stdout] 577 |             psz_file: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:578:13
[INFO] [stdout]     |
[INFO] [stdout] 578 |             n_line:   i32,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:579:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |             cs:       *mut MutexType)  { }
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:581:34
[INFO] [stdout]     |
[INFO] [stdout] 581 |     #[inline] pub fn delete_lock(cs: *mut c_void)  { }
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rel_time`
[INFO] [stdout]   --> src/threadinterrupt.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn sleep_for(&mut self, rel_time: Duration) -> bool {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rel_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_name`
[INFO] [stdout]   --> src/thread.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         thread_name: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_func`
[INFO] [stdout]   --> src/thread.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         thread_func: F)
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `base` is never read
[INFO] [stdout]   --> src/sync_impl.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct AnnotatedMixin<PARENT> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 54 |     base: PARENT,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `base` is never read
[INFO] [stdout]    --> src/sync_impl.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct UniqueLock<Base = MutexUniqueLock> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 147 |     base: Base,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition`, `mutex`, and `value` are never read
[INFO] [stdout]    --> src/sync_impl.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 382 | pub struct Semaphore {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 383 |     condition: std::sync::Condvar,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 384 |     mutex:     parking_lot::RawMutex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 385 |     value:     i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sem` and `have_grant` are never read
[INFO] [stdout]    --> src/sync_impl.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 440 | pub struct SemaphoreGrant {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 441 |     sem:        Amo<Semaphore>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 442 |     have_grant: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SemaphoreGrant` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lock`, `templock`, `lockname`, `file`, and `line` are never read
[INFO] [stdout]    --> src/sync_impl.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub struct ReverseLock<Base> {
[INFO] [stdout]     |                ----------- fields in this struct
[INFO] [stdout] 159 |         lock:     Rc<RefCell<UniqueLock<Base>>>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 160 |         templock: UniqueLock<Base>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 161 |         lockname: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 162 |         file:     String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 163 |         line:     i32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond`, `mut_`, and `flag` are never read
[INFO] [stdout]   --> src/threadinterrupt.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ThreadInterrupt {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 15 |     cond: std::sync::Condvar,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     mut_: parking_lot::RawMutex,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     flag: AtomicBool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/sync_impl.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |             lock:      &mut UniqueLock<Base>,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guardname`
[INFO] [stdout]    --> src/sync_impl.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |             guardname: *const u8,
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guardname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/sync_impl.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             file:      *const u8,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/sync_impl.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             line:      i32) -> Self {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         psz_name: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         psz_file: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         n_line:   i32)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         psz_name: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         psz_file: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         n_line:   i32) -> bool {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_`
[INFO] [stdout]    --> src/sync_impl.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let try_: bool = try_.unwrap_or(false);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_try_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutex_in`
[INFO] [stdout]    --> src/sync_impl.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |         mutex_in: &mut Mutex,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         psz_name: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         psz_file: *const u8,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         n_line:   i32,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `init`
[INFO] [stdout]    --> src/sync_impl.rs:390:16
[INFO] [stdout]     |
[INFO] [stdout] 390 |     pub fn new(init: i32) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_init`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grant`
[INFO] [stdout]    --> src/sync_impl.rs:511:31
[INFO] [stdout]     |
[INFO] [stdout] 511 |     pub fn move_to(&mut self, grant: &mut SemaphoreGrant)  {
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_grant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_`
[INFO] [stdout]    --> src/sync_impl.rs:526:13
[INFO] [stdout]     |
[INFO] [stdout] 526 |         let try_:bool = try_.unwrap_or(false);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_try_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sema`
[INFO] [stdout]    --> src/sync_impl.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         sema: Amo<Semaphore>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:552:13
[INFO] [stdout]     |
[INFO] [stdout] 552 |             psz_name: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:553:13
[INFO] [stdout]     |
[INFO] [stdout] 553 |             psz_file: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:554:13
[INFO] [stdout]     |
[INFO] [stdout] 554 |             n_line:   i32,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 555 |             cs:       *mut MutexType,
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `try_`
[INFO] [stdout]    --> src/sync_impl.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |             try_:     bool)  { }
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_try_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:561:13
[INFO] [stdout]     |
[INFO] [stdout] 561 |             cs:        *mut c_void,
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lockname`
[INFO] [stdout]    --> src/sync_impl.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |             lockname:  &mut String,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lockname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guardname`
[INFO] [stdout]    --> src/sync_impl.rs:563:13
[INFO] [stdout]     |
[INFO] [stdout] 563 |             guardname: *const u8,
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guardname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/sync_impl.rs:564:13
[INFO] [stdout]     |
[INFO] [stdout] 564 |             file:      *const u8,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> src/sync_impl.rs:565:13
[INFO] [stdout]     |
[INFO] [stdout] 565 |             line:      i32)  { }
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:569:13
[INFO] [stdout]     |
[INFO] [stdout] 569 |             psz_name: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:570:13
[INFO] [stdout]     |
[INFO] [stdout] 570 |             psz_file: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:571:13
[INFO] [stdout]     |
[INFO] [stdout] 571 |             n_line:   i32,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 |             cs:       *mut MutexType)  { }
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_name`
[INFO] [stdout]    --> src/sync_impl.rs:576:13
[INFO] [stdout]     |
[INFO] [stdout] 576 |             psz_name: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `psz_file`
[INFO] [stdout]    --> src/sync_impl.rs:577:13
[INFO] [stdout]     |
[INFO] [stdout] 577 |             psz_file: *const u8,
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_psz_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_line`
[INFO] [stdout]    --> src/sync_impl.rs:578:13
[INFO] [stdout]     |
[INFO] [stdout] 578 |             n_line:   i32,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:579:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |             cs:       *mut MutexType)  { }
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/sync_impl.rs:581:34
[INFO] [stdout]     |
[INFO] [stdout] 581 |     #[inline] pub fn delete_lock(cs: *mut c_void)  { }
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rel_time`
[INFO] [stdout]   --> src/threadinterrupt.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn sleep_for(&mut self, rel_time: Duration) -> bool {
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rel_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_name`
[INFO] [stdout]   --> src/thread.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         thread_name: &str,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_func`
[INFO] [stdout]   --> src/thread.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         thread_func: F)
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `base` is never read
[INFO] [stdout]   --> src/sync_impl.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct AnnotatedMixin<PARENT> {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 54 |     base: PARENT,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `base` is never read
[INFO] [stdout]    --> src/sync_impl.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct UniqueLock<Base = MutexUniqueLock> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 147 |     base: Base,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `condition`, `mutex`, and `value` are never read
[INFO] [stdout]    --> src/sync_impl.rs:383:5
[INFO] [stdout]     |
[INFO] [stdout] 382 | pub struct Semaphore {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 383 |     condition: std::sync::Condvar,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 384 |     mutex:     parking_lot::RawMutex,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 385 |     value:     i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sem` and `have_grant` are never read
[INFO] [stdout]    --> src/sync_impl.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 440 | pub struct SemaphoreGrant {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 441 |     sem:        Amo<Semaphore>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 442 |     have_grant: bool,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SemaphoreGrant` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lock`, `templock`, `lockname`, `file`, and `line` are never read
[INFO] [stdout]    --> src/sync_impl.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub struct ReverseLock<Base> {
[INFO] [stdout]     |                ----------- fields in this struct
[INFO] [stdout] 159 |         lock:     Rc<RefCell<UniqueLock<Base>>>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 160 |         templock: UniqueLock<Base>,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 161 |         lockname: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 162 |         file:     String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 163 |         line:     i32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond`, `mut_`, and `flag` are never read
[INFO] [stdout]   --> src/threadinterrupt.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ThreadInterrupt {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 15 |     cond: std::sync::Condvar,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     mut_: parking_lot::RawMutex,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     flag: AtomicBool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 55s
[INFO] running `Command { std: "docker" "inspect" "f5664e4d989098c66079b79f7a784d53872354863dec0f33d791380fac36b63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5664e4d989098c66079b79f7a784d53872354863dec0f33d791380fac36b63e", kill_on_drop: false }`
[INFO] [stdout] f5664e4d989098c66079b79f7a784d53872354863dec0f33d791380fac36b63e
