[INFO] fetching crate bitcoinleveldb-env 0.1.16-alpha.0...
[INFO] checking bitcoinleveldb-env-0.1.16-alpha.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate bitcoinleveldb-env 0.1.16-alpha.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-env 0.1.16-alpha.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoinleveldb-env 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-env 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-env 0.1.16-alpha.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoinleveldb-status v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-slice v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-log v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-util v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-rand v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-file v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-key v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-filter v0.1.16-alpha.0
[INFO] [stderr]   Downloaded bitcoinleveldb-comparator v0.1.16-alpha.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2267cc682423474a261d47f982394704d74d1f129482f6e9a885570f37652873
[INFO] running `Command { std: "docker" "start" "-a" "2267cc682423474a261d47f982394704d74d1f129482f6e9a885570f37652873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2267cc682423474a261d47f982394704d74d1f129482f6e9a885570f37652873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2267cc682423474a261d47f982394704d74d1f129482f6e9a885570f37652873", kill_on_drop: false }`
[INFO] [stdout] 2267cc682423474a261d47f982394704d74d1f129482f6e9a885570f37652873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9edaef7579e2691beb2f357d6f0934b63cdfa0153e9c740973d073c77b8badd
[INFO] running `Command { std: "docker" "start" "-a" "a9edaef7579e2691beb2f357d6f0934b63cdfa0153e9c740973d073c77b8badd", kill_on_drop: false }`
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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 bitcoinleveldb-slice v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-status v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-util v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-comparator v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-filter v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-key v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-rand v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-file v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-log v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-env v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lvldb_env.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         fname:  &String,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvldb_env.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         result: *mut *mut Box<dyn WritableFile>) -> crate::Status {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:193:31
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn delete_file(&mut self, f: &String) -> crate::Status {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/lvldb_env.rs:204:30
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn create_dir(&mut self, d: &String) -> crate::Status {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/lvldb_env.rs:215:30
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn delete_dir(&mut self, d: &String) -> crate::Status {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         r: *mut *mut Box<dyn SequentialFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         r: *mut *mut Box<dyn RandomAccessFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         r: *mut *mut Box<dyn WritableFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         r: *mut *mut Box<dyn WritableFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:283:31
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn file_exists(&mut self, f: &String) -> bool {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/lvldb_env.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         dir: &String,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         r:   *mut Vec<String>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lvldb_env.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         s: *mut u64) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lvldb_env.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         s: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/lvldb_env.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         t: &String) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/lvldb_env.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         l: *mut *mut Box<dyn FileLock>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/lvldb_env.rs:342:31
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn unlock_file(&mut self, l: *mut Box<dyn FileLock>) -> crate::Status {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         f: fn(_0: *mut c_void) -> c_void,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lvldb_env.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         a: *mut c_void)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         f: fn(_0: *mut c_void) -> c_void,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lvldb_env.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         a: *mut c_void)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/lvldb_env.rs:376:38
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn get_test_directory(&mut self, path: *mut String) -> crate::Status {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lvldb_env.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         result: *mut *mut Box<dyn Logger>) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `micros`
[INFO] [stdout]    --> src/lvldb_env.rs:408:42
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn sleep_for_microseconds(&mut self, micros: i32)  {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_micros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/lvldb_env.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn new(t: Rc<RefCell<dyn Env>>) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info_log`
[INFO] [stdout]    --> src/lvldb_env.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |         info_log: Rc<RefCell<dyn Logger>>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_info_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]    --> src/lvldb_env.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         format:   *const u8,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/lvldb_env.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         args:     &[&str])  {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         env:         Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         data:        &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         fname:       &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `should_sync`
[INFO] [stdout]    --> src/lvldb_env.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         should_sync: bool) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:517:9
[INFO] [stdout]     |
[INFO] [stdout] 517 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |         data:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         fname: &String) -> crate::Status {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:533:9
[INFO] [stdout]     |
[INFO] [stdout] 533 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         data:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         fname: &String) -> crate::Status {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:549:9
[INFO] [stdout]     |
[INFO] [stdout] 549 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]   --> src/lvldb_env.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         fname:  &String,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         fname: &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         data:  *mut String) -> crate::Status {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvldb_env.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         result: *mut *mut Box<dyn WritableFile>) -> crate::Status {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:581:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]    --> src/lvldb_env.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |         files: *mut *mut u8,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/lvldb_env.rs:583:9
[INFO] [stdout]     |
[INFO] [stdout] 583 |         num:   i32) -> bool {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/lvldb_env.rs:601:9
[INFO] [stdout]     |
[INFO] [stdout] 601 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/lvldb_env.rs:602:9
[INFO] [stdout]     |
[INFO] [stdout] 602 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:630:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |         env:               Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:193:31
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn delete_file(&mut self, f: &String) -> crate::Status {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dbname`
[INFO] [stdout]    --> src/lvldb_env.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 631 |         dbname:            &String,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_dbname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor_number`
[INFO] [stdout]    --> src/lvldb_env.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         descriptor_number: u64) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> src/env_windows_helper_test.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn set_read_only_mmap_limit(limit: i32)  {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/env_test.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         val:         i32,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/lvldb_env.rs:204:30
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn create_dir(&mut self, d: &String) -> crate::Status {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_running`
[INFO] [stdout]    --> src/env_test.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         num_running: i32) -> Self {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_running`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/env_test.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn thread_body(arg: *mut c_void)  {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/lvldb_env.rs:215:30
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn delete_dir(&mut self, d: &String) -> crate::Status {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/env_test.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/env_test.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         r: *mut *mut Box<dyn SequentialFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mmap_limit`
[INFO] [stdout]   --> src/env_windows_test.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn set_file_limits(mmap_limit: i32)  {
[INFO] [stdout]    |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mmap_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]   --> src/env_windows_test.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         argc: i32,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]   --> src/env_windows_test.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         r: *mut *mut Box<dyn RandomAccessFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]    --> src/lvldb_env.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct EnvWrapper {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 184 |     target: Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnvWindowsTestHelper` is never constructed
[INFO] [stdout]   --> src/env_windows_helper_test.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct EnvWindowsTestHelper {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_read_only_mmap_limit` is never used
[INFO] [stdout]   --> src/env_windows_helper_test.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl EnvWindowsTestHelper {
[INFO] [stdout]    | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_read_only_mmap_limit(limit: i32)  {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         r: *mut *mut Box<dyn WritableFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DELAY_MICROS` is never used
[INFO] [stdout]  --> src/env_test.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const DELAY_MICROS: i32 = 100000;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env` is never read
[INFO] [stdout]  --> src/env_test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct EnvTest {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 8 |     env: Rc<RefCell<dyn Env>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]    --> src/env_test.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | struct State {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         r: *mut *mut Box<dyn WritableFile>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/env_test.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl State {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 163 |     
[INFO] [stdout] 164 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:283:31
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn file_exists(&mut self, f: &String) -> bool {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thread_body` is never used
[INFO] [stdout]    --> src/env_test.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn thread_body(arg: *mut c_void)  {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/lvldb_env.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         dir: &String,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testenv_test_main` is never used
[INFO] [stdout]    --> src/env_test.rs:290:4
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn testenv_test_main (
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]    --> src/env_test.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub struct Inner {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MMAP_LIMIT` is never used
[INFO] [stdout]  --> src/env_windows_test.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MMAP_LIMIT: i32 = 4;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lvldb_env.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         r:   *mut Vec<String>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env` is never read
[INFO] [stdout]  --> src/env_windows_test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct EnvWindowsTest {
[INFO] [stdout]   |        -------------- field in this struct
[INFO] [stdout] 8 |     env: Rc<RefCell<dyn Env>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_file_limits` is never used
[INFO] [stdout]   --> src/env_windows_test.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl EnvWindowsTest {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn set_file_limits(mmap_limit: i32)  {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lvldb_env.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         s: *mut u64) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testenv_windows_test_main` is never used
[INFO] [stdout]   --> src/env_windows_test.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn testenv_windows_test_main (
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lvldb_env.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         s: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/lvldb_env.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         t: &String) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         f: &String,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/lvldb_env.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         l: *mut *mut Box<dyn FileLock>) -> crate::Status {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/lvldb_env.rs:342:31
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn unlock_file(&mut self, l: *mut Box<dyn FileLock>) -> crate::Status {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         f: fn(_0: *mut c_void) -> c_void,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lvldb_env.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         a: *mut c_void)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lvldb_env.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         f: fn(_0: *mut c_void) -> c_void,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lvldb_env.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         a: *mut c_void)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/lvldb_env.rs:376:38
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn get_test_directory(&mut self, path: *mut String) -> crate::Status {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lvldb_env.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         result: *mut *mut Box<dyn Logger>) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `micros`
[INFO] [stdout]    --> src/lvldb_env.rs:408:42
[INFO] [stdout]     |
[INFO] [stdout] 408 |     fn sleep_for_microseconds(&mut self, micros: i32)  {
[INFO] [stdout]     |                                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_micros`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/lvldb_env.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 424 |     pub fn new(t: Rc<RefCell<dyn Env>>) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info_log`
[INFO] [stdout]    --> src/lvldb_env.rs:468:9
[INFO] [stdout]     |
[INFO] [stdout] 468 |         info_log: Rc<RefCell<dyn Logger>>,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_info_log`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]    --> src/lvldb_env.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         format:   *const u8,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/lvldb_env.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         args:     &[&str])  {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         env:         Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         data:        &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         fname:       &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `should_sync`
[INFO] [stdout]    --> src/lvldb_env.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         should_sync: bool) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:517:9
[INFO] [stdout]     |
[INFO] [stdout] 517 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |         data:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:519:9
[INFO] [stdout]     |
[INFO] [stdout] 519 |         fname: &String) -> crate::Status {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:533:9
[INFO] [stdout]     |
[INFO] [stdout] 533 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |         data:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         fname: &String) -> crate::Status {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:549:9
[INFO] [stdout]     |
[INFO] [stdout] 549 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/lvldb_env.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         fname: &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lvldb_env.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         data:  *mut String) -> crate::Status {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:581:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         env:   Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]    --> src/lvldb_env.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |         files: *mut *mut u8,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]    --> src/lvldb_env.rs:583:9
[INFO] [stdout]     |
[INFO] [stdout] 583 |         num:   i32) -> bool {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/lvldb_env.rs:601:9
[INFO] [stdout]     |
[INFO] [stdout] 601 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/lvldb_env.rs:602:9
[INFO] [stdout]     |
[INFO] [stdout] 602 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/lvldb_env.rs:630:9
[INFO] [stdout]     |
[INFO] [stdout] 630 |         env:               Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dbname`
[INFO] [stdout]    --> src/lvldb_env.rs:631:9
[INFO] [stdout]     |
[INFO] [stdout] 631 |         dbname:            &String,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_dbname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor_number`
[INFO] [stdout]    --> src/lvldb_env.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         descriptor_number: u64) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `limit`
[INFO] [stdout]   --> src/env_windows_helper_test.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn set_read_only_mmap_limit(limit: i32)  {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/env_test.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         val:         i32,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_running`
[INFO] [stdout]    --> src/env_test.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         num_running: i32) -> Self {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_running`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/env_test.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn thread_body(arg: *mut c_void)  {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/env_test.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/env_test.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mmap_limit`
[INFO] [stdout]   --> src/env_windows_test.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn set_file_limits(mmap_limit: i32)  {
[INFO] [stdout]    |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mmap_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]   --> src/env_windows_test.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         argc: i32,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]   --> src/env_windows_test.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]    --> src/lvldb_env.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct EnvWrapper {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 184 |     target: Rc<RefCell<dyn Env>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnvWindowsTestHelper` is never constructed
[INFO] [stdout]   --> src/env_windows_helper_test.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct EnvWindowsTestHelper {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_read_only_mmap_limit` is never used
[INFO] [stdout]   --> src/env_windows_helper_test.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl EnvWindowsTestHelper {
[INFO] [stdout]    | ------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_read_only_mmap_limit(limit: i32)  {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DELAY_MICROS` is never used
[INFO] [stdout]  --> src/env_test.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const DELAY_MICROS: i32 = 100000;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env` is never read
[INFO] [stdout]  --> src/env_test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct EnvTest {
[INFO] [stdout]   |        ------- field in this struct
[INFO] [stdout] 8 |     env: Rc<RefCell<dyn Env>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]    --> src/env_test.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | struct State {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/env_test.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl State {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 163 |     
[INFO] [stdout] 164 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thread_body` is never used
[INFO] [stdout]    --> src/env_test.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn thread_body(arg: *mut c_void)  {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testenv_test_main` is never used
[INFO] [stdout]    --> src/env_test.rs:290:4
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn testenv_test_main (
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]    --> src/env_test.rs:156:16
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub struct Inner {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MMAP_LIMIT` is never used
[INFO] [stdout]  --> src/env_windows_test.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MMAP_LIMIT: i32 = 4;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env` is never read
[INFO] [stdout]  --> src/env_windows_test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct EnvWindowsTest {
[INFO] [stdout]   |        -------------- field in this struct
[INFO] [stdout] 8 |     env: Rc<RefCell<dyn Env>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set_file_limits` is never used
[INFO] [stdout]   --> src/env_windows_test.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl EnvWindowsTest {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn set_file_limits(mmap_limit: i32)  {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testenv_windows_test_main` is never used
[INFO] [stdout]   --> src/env_windows_test.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn testenv_windows_test_main (
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 80 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 80 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "a9edaef7579e2691beb2f357d6f0934b63cdfa0153e9c740973d073c77b8badd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9edaef7579e2691beb2f357d6f0934b63cdfa0153e9c740973d073c77b8badd", kill_on_drop: false }`
[INFO] [stdout] a9edaef7579e2691beb2f357d6f0934b63cdfa0153e9c740973d073c77b8badd
[INFO] checking bitcoinleveldb-env-0.1.16-alpha.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate bitcoinleveldb-env 0.1.16-alpha.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-env 0.1.16-alpha.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoinleveldb-env 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-env 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-env 0.1.16-alpha.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8465e1ce788c0fe49124c76d9e9c29823175d806f3fedc0206142e0bc0176f42
[INFO] running `Command { std: "docker" "start" "-a" "8465e1ce788c0fe49124c76d9e9c29823175d806f3fedc0206142e0bc0176f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8465e1ce788c0fe49124c76d9e9c29823175d806f3fedc0206142e0bc0176f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8465e1ce788c0fe49124c76d9e9c29823175d806f3fedc0206142e0bc0176f42", kill_on_drop: false }`
[INFO] [stdout] 8465e1ce788c0fe49124c76d9e9c29823175d806f3fedc0206142e0bc0176f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19496c24b7dfc9481dc5cef306546c7ebb29e2162ff9c3000c0662c64ed30f1f
[INFO] running `Command { std: "docker" "start" "-a" "19496c24b7dfc9481dc5cef306546c7ebb29e2162ff9c3000c0662c64ed30f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling cpp_common v0.5.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling sqlite3-src v0.2.12
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling cpp_build v0.5.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling qttypes v0.2.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cpp_macros v0.5.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling qt_macros v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling qmetaobject v0.2.10
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling qmetaobject_impl v0.2.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling sqlite3-sys v0.12.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling cpp v0.5.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling cpp_core v0.6.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling delegate v0.7.0
[INFO] [stderr]    Compiling try-catch v0.2.2
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling poison v0.1.0
[INFO] [stderr]    Compiling libevent-sys v0.2.6
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling ritual_common v0.4.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling shared-mutex v0.3.1
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling serde-big-array v0.4.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling qt_ritual_common v0.4.0
[INFO] [stderr]    Compiling ritual_build v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling sqlite v0.25.3
[INFO] [stderr]    Compiling qt_ritual_build v0.5.0
[INFO] [stderr]    Compiling sqlite3 v0.24.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling qt_core v0.5.0
[INFO] [stderr]    Compiling qt_gui v0.5.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling pnet_sys v0.31.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling atomic-take v1.1.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling atomic_float v0.1.0
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling comparator v0.3.0
[INFO] [stderr]    Compiling time-point v0.1.1
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling bitset v0.1.2
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libevent v0.1.0
[INFO] [stderr] error: could not compile `qt_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/72eda894eb3548c7ba774079ce0afab42958d4ee/bin/rustc --crate-name qt_core --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C metadata=507578dc24bcf782 -C extra-filename=-507578dc24bcf782 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cpp_core=/opt/rustwide/target/debug/deps/libcpp_core-3ed09fcdb7fafb1b.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-08781062ab167a55.so --extern qt_macros=/opt/rustwide/target/debug/deps/libqt_macros-c9cd74411d7b19b4.so --cap-lints allow --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/rustwide/target/debug/build/qt_core-239c1beece26b68c/out/c_lib_install -l Qt5Core -l stdc++ --cfg 'cpp_lib_version="5.14.0"'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `qt_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/72eda894eb3548c7ba774079ce0afab42958d4ee/bin/rustc --crate-name qt_core --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=baba01be7cbbd10a -C extra-filename=-baba01be7cbbd10a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cpp_core=/opt/rustwide/target/debug/deps/libcpp_core-595085ab83fedaf3.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-08781062ab167a55.so --extern qt_macros=/opt/rustwide/target/debug/deps/libqt_macros-c9cd74411d7b19b4.so --cap-lints allow --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu -L native=/opt/rustwide/target/debug/build/qt_core-239c1beece26b68c/out/c_lib_install -l Qt5Core -l stdc++ --cfg 'cpp_lib_version="5.14.0"'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "19496c24b7dfc9481dc5cef306546c7ebb29e2162ff9c3000c0662c64ed30f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19496c24b7dfc9481dc5cef306546c7ebb29e2162ff9c3000c0662c64ed30f1f", kill_on_drop: false }`
[INFO] [stdout] 19496c24b7dfc9481dc5cef306546c7ebb29e2162ff9c3000c0662c64ed30f1f
