[INFO] cloning repository https://github.com/woodgear/kvs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffe4c9f28b79e2d3c13cf14827ce71886ca21fcf
[INFO] checking woodgear/kvs against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodgear/kvs on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/woodgear/kvs
[INFO] finished tweaking git repo https://github.com/woodgear/kvs
[INFO] tweaked toml for git repo https://github.com/woodgear/kvs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/woodgear/kvs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] 09831d775951f3a3371373d8f2b6e473016b519b5a539a0edaae14f570ba394c
[INFO] running `"docker" "start" "-a" "09831d775951f3a3371373d8f2b6e473016b519b5a539a0edaae14f570ba394c"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking min_max_macros v0.1.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking vec_box v1.0.0
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]     Checking sugar v0.2.0 (https://github.com/harryfei/sugar-rs.git#16f662eb)
[INFO] [stderr]     Checking predicates v1.0.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.10
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling proc-macro-error v0.4.10
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling context-attribute v1.0.0 (https://github.com/woodgear/context-attribute?branch=feature/custom-msg#b3df68db)
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking log4rs v0.10.0
[INFO] [stderr]     Checking escargot v0.5.0
[INFO] [stderr]     Checking assert_cmd v0.12.0
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use std::fs::{self, File};
[INFO] [stderr]    |                     ---- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/lib.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/lib.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn from_file(file: &Path) -> Result<Self> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `magic`
[INFO] [stderr]   --> src/lib.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let magic = MagicNumber {
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_magic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]   --> src/lib.rs:71:19
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn from_bytes(bytes: &[u8]) -> Result<(Self, u64)> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/lib.rs:84:18
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn from_file(path: &Path) -> Result<Self> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn set(&mut self, key: String, val: String) -> Result<()> {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/lib.rs:153:40
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn set(&mut self, key: String, val: String) -> Result<()> {
[INFO] [stderr]     |                                        ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:157:27
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn get(&mut self, key: String) -> Result<Option<String>> {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:161:30
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn remove(&mut self, key: String) -> Result<()> {
[INFO] [stderr]     |                              ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let mut bytes = record.to_bytes();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_bytes`
[INFO] [stderr]   --> src/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn from_bytes(bytes: &[u8]) -> Result<(Self, u64)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_file`
[INFO] [stderr]   --> src/lib.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn from_file(path: &Path) -> Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file`
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     file: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `log`
[INFO] [stderr]    --> src/lib.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     log: InDiskLogV1,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_mem_map`
[INFO] [stderr]    --> src/lib.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     in_mem_map: HashMap<String, (u64, u64)>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use std::fs::{self, File};
[INFO] [stderr]    |                     ---- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/lib.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `SeekFrom`, `Seek`
[INFO] [stderr]    --> src/lib.rs:189:23
[INFO] [stderr]     |
[INFO] [stderr] 189 |         use std::io::{BufReader, Seek, SeekFrom};
[INFO] [stderr]     |                       ^^^^^^^^^  ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/lib.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn from_file(file: &Path) -> Result<Self> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `magic`
[INFO] [stderr]   --> src/lib.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let magic = MagicNumber {
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_magic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]   --> src/lib.rs:71:19
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn from_bytes(bytes: &[u8]) -> Result<(Self, u64)> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/lib.rs:84:18
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn from_file(path: &Path) -> Result<Self> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn set(&mut self, key: String, val: String) -> Result<()> {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/lib.rs:153:40
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn set(&mut self, key: String, val: String) -> Result<()> {
[INFO] [stderr]     |                                        ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:157:27
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn get(&mut self, key: String) -> Result<Option<String>> {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:161:30
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn remove(&mut self, key: String) -> Result<()> {
[INFO] [stderr]     |                              ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let mut bytes = record.to_bytes();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_bytes`
[INFO] [stderr]   --> src/lib.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn from_bytes(bytes: &[u8]) -> Result<(Self, u64)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file`
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     file: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `log`
[INFO] [stderr]    --> src/lib.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     log: InDiskLogV1,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `in_mem_map`
[INFO] [stderr]    --> src/lib.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     in_mem_map: HashMap<String, (u64, u64)>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         stream_log.set("a", "1");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:215:9
[INFO] [stderr]     |
[INFO] [stderr] 215 |         stream_log.set("b", "2");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         stream_log.set("c", "3");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         stream_log.rm("c");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         stream_log.rm("b");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_cmd::prelude::*`
[INFO] [stderr]  --> tests/tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use assert_cmd::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `predicates::ord::eq`
[INFO] [stderr]  --> tests/tests.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use predicates::ord::eq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PredicateStrExt`, `contains`, `is_empty`
[INFO] [stderr]  --> tests/tests.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use predicates::str::{contains, is_empty, PredicateStrExt};
[INFO] [stderr]   |                       ^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> tests/tests.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `walkdir::WalkDir`
[INFO] [stderr]  --> tests/tests.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use walkdir::WalkDir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KvStore`
[INFO] [stderr]  --> src/bin/kvs.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use kvs::{KvStore, Result};
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KvStore`
[INFO] [stderr]  --> src/bin/kvs.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use kvs::{KvStore, Result};
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/bin/kvs.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match opt.subcmd {
[INFO] [stderr] 23 | |         SubCmd::Get { .. } => {
[INFO] [stderr] 24 | |             panic!("unimplemented");
[INFO] [stderr] 25 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |         }
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 33 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/bin/kvs.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match opt.subcmd {
[INFO] [stderr] 23 | |         SubCmd::Get { .. } => {
[INFO] [stderr] 24 | |             panic!("unimplemented");
[INFO] [stderr] 25 | |         }
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |         }
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 33 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `"docker" "inspect" "09831d775951f3a3371373d8f2b6e473016b519b5a539a0edaae14f570ba394c"`
[INFO] running `"docker" "rm" "-f" "09831d775951f3a3371373d8f2b6e473016b519b5a539a0edaae14f570ba394c"`
[INFO] [stdout] 09831d775951f3a3371373d8f2b6e473016b519b5a539a0edaae14f570ba394c