[INFO] crate kv_cab 0.6.0 is already in cache
[INFO] checking kv_cab-0.6.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate kv_cab 0.6.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate kv_cab 0.6.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kv_cab 0.6.0
[INFO] finished tweaking crates.io crate kv_cab 0.6.0
[INFO] tweaked toml for crates.io crate kv_cab 0.6.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc80ef5e2d83cda4dd463df4f597d4ee851a55fecd2e3599404103f9eaa60af5
[INFO] running `"docker" "start" "-a" "bc80ef5e2d83cda4dd463df4f597d4ee851a55fecd2e3599404103f9eaa60af5"`
[INFO] [stderr]     Checking bincode v0.7.0
[INFO] [stderr]     Checking kv_cab v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 181 |                     last_retry!(i, return Err(KVError::CouldntOpen));
[INFO] [stderr]     |                     ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 254 |                 last_retry!(i, return Err(KVError::CouldntWriteLock));
[INFO] [stderr]     |                 ------------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 270 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 -------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 277 |                 last_retry!(i, return Err(KVError::CouldntWrite));
[INFO] [stderr]     |                 -------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 284 |                 last_retry!(i, return Err(KVError::CouldntFlush));
[INFO] [stderr]     |                 -------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 291 |                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                 --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 317 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 -------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 329 |                                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                                 --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 349 |                             last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                             --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 356 |                     last_retry!(i, return Err(KVError::CouldntDecode));
[INFO] [stderr]     |                     --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 181 |                     last_retry!(i, return Err(KVError::CouldntOpen));
[INFO] [stderr]     |                     ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 254 |                 last_retry!(i, return Err(KVError::CouldntWriteLock));
[INFO] [stderr]     |                 ------------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 270 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 -------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 181 |                     last_retry!(i, return Err(KVError::CouldntOpen));
[INFO] [stderr]     |                     -------------------------------------------------
[INFO] [stderr]     |                     |              |
[INFO] [stderr]     |                     |              any code following this expression is unreachable
[INFO] [stderr]     |                     in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 277 |                 last_retry!(i, return Err(KVError::CouldntWrite));
[INFO] [stderr]     |                 -------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 254 |                 last_retry!(i, return Err(KVError::CouldntWriteLock));
[INFO] [stderr]     |                 ------------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 284 |                 last_retry!(i, return Err(KVError::CouldntFlush));
[INFO] [stderr]     |                 -------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 270 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 --------------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 291 |                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                 --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 317 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 -------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 329 |                                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                                 --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 349 |                             last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                             --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ help: remove this semicolon
[INFO] [stderr] ...
[INFO] [stderr] 356 |                     last_retry!(i, return Err(KVError::CouldntDecode));
[INFO] [stderr]     |                     --------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 277 |                 last_retry!(i, return Err(KVError::CouldntWrite));
[INFO] [stderr]     |                 --------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 284 |                 last_retry!(i, return Err(KVError::CouldntFlush));
[INFO] [stderr]     |                 --------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 291 |                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                 ---------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 317 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 --------------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 329 |                                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                                 ---------------------------------------------------
[INFO] [stderr]     |                                 |              |
[INFO] [stderr]     |                                 |              any code following this expression is unreachable
[INFO] [stderr]     |                                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 349 |                             last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                             ---------------------------------------------------
[INFO] [stderr]     |                             |              |
[INFO] [stderr]     |                             |              any code following this expression is unreachable
[INFO] [stderr]     |                             in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 356 |                     last_retry!(i, return Err(KVError::CouldntDecode));
[INFO] [stderr]     |                     ---------------------------------------------------
[INFO] [stderr]     |                     |              |
[INFO] [stderr]     |                     |              any code following this expression is unreachable
[INFO] [stderr]     |                     in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 181 |                     last_retry!(i, return Err(KVError::CouldntOpen));
[INFO] [stderr]     |                     -------------------------------------------------
[INFO] [stderr]     |                     |              |
[INFO] [stderr]     |                     |              any code following this expression is unreachable
[INFO] [stderr]     |                     in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 254 |                 last_retry!(i, return Err(KVError::CouldntWriteLock));
[INFO] [stderr]     |                 ------------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 270 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 --------------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 277 |                 last_retry!(i, return Err(KVError::CouldntWrite));
[INFO] [stderr]     |                 --------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 284 |                 last_retry!(i, return Err(KVError::CouldntFlush));
[INFO] [stderr]     |                 --------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 291 |                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                 ---------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 317 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stderr]     |                 --------------------------------------------------------
[INFO] [stderr]     |                 |              |
[INFO] [stderr]     |                 |              any code following this expression is unreachable
[INFO] [stderr]     |                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 329 |                                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                                 ---------------------------------------------------
[INFO] [stderr]     |                                 |              |
[INFO] [stderr]     |                                 |              any code following this expression is unreachable
[INFO] [stderr]     |                                 in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 349 |                             last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stderr]     |                             ---------------------------------------------------
[INFO] [stderr]     |                             |              |
[INFO] [stderr]     |                             |              any code following this expression is unreachable
[INFO] [stderr]     |                             in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:99:15
[INFO] [stderr]     |
[INFO] [stderr] 99  |             $b;
[INFO] [stderr]     |               ^ unreachable statement
[INFO] [stderr] ...
[INFO] [stderr] 356 |                     last_retry!(i, return Err(KVError::CouldntDecode));
[INFO] [stderr]     |                     ---------------------------------------------------
[INFO] [stderr]     |                     |              |
[INFO] [stderr]     |                     |              any code following this expression is unreachable
[INFO] [stderr]     |                     in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `"docker" "inspect" "bc80ef5e2d83cda4dd463df4f597d4ee851a55fecd2e3599404103f9eaa60af5"`
[INFO] running `"docker" "rm" "-f" "bc80ef5e2d83cda4dd463df4f597d4ee851a55fecd2e3599404103f9eaa60af5"`
[INFO] [stdout] bc80ef5e2d83cda4dd463df4f597d4ee851a55fecd2e3599404103f9eaa60af5