[INFO] cloning repository https://github.com/sepiropht/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sepiropht/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04130a5c8f6c863ac8bf1714765aa6ea7ae90653 [INFO] checking sepiropht/kvs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fkvs" "/workspace/builds/worker-39/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sepiropht/kvs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sepiropht/kvs [INFO] finished tweaking git repo https://github.com/sepiropht/kvs [INFO] tweaked toml for git repo https://github.com/sepiropht/kvs written to /workspace/builds/worker-39/source/Cargo.toml [INFO] crate git repo https://github.com/sepiropht/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded structopt v0.3.14 [INFO] [stderr] Downloaded serde_derive v1.0.111 [INFO] [stderr] Downloaded structopt-derive v0.4.7 [INFO] [stderr] Downloaded serde v1.0.111 [INFO] [stderr] Downloaded float-cmp v0.6.0 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded syn v1.0.30 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded predicates v1.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b2938ab5df659508d7d5b976a9a62842a3f35ac67b96b8eefe93daee75ba5eb [INFO] running `Command { std: "docker" "start" "-a" "6b2938ab5df659508d7d5b976a9a62842a3f35ac67b96b8eefe93daee75ba5eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b2938ab5df659508d7d5b976a9a62842a3f35ac67b96b8eefe93daee75ba5eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2938ab5df659508d7d5b976a9a62842a3f35ac67b96b8eefe93daee75ba5eb", kill_on_drop: false }` [INFO] [stdout] 6b2938ab5df659508d7d5b976a9a62842a3f35ac67b96b8eefe93daee75ba5eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cff7dba40c2a8e3dd06750b6380dd7186c8ccbab9814b73c48fac59ebfa6bd9 [INFO] running `Command { std: "docker" "start" "-a" "8cff7dba40c2a8e3dd06750b6380dd7186c8ccbab9814b73c48fac59ebfa6bd9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking float-cmp v0.6.0 [INFO] [stderr] Checking predicates v1.0.4 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/kvs.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 72 | unimplemented!(); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 73 | store.set(key, value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/kvs.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 77 | unimplemented!(); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 78 | let res = store.get(key.to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/kvs.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 86 | unimplemented!(); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 87 | let res = store.get(key.to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut store = KvStore::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_value` [INFO] [stdout] --> src/bin/kvs.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | key_value, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `key_value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/bin/kvs.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | all, [INFO] [stdout] | ^^^ help: try ignoring the field: `all: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interactive` [INFO] [stdout] --> src/bin/kvs.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | interactive, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `interactive: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | key, [INFO] [stdout] | ^^^ help: try ignoring the field: `key: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/bin/kvs.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | all, [INFO] [stdout] | ^^^ help: try ignoring the field: `all: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interactive` [INFO] [stdout] --> src/bin/kvs.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | interactive, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `interactive: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | key, [INFO] [stdout] | ^^^ help: try ignoring the field: `key: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/bin/kvs.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | all, [INFO] [stdout] | ^^^ help: try ignoring the field: `all: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interactive` [INFO] [stdout] --> src/bin/kvs.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | interactive, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `interactive: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/kvs.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:71:36 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | fn get(key: String, store: &KvStore) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | fn get(key: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | fn rm(key: String, store: &KvStore) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:85:20 [INFO] [stdout] | [INFO] [stdout] 85 | fn rm(key: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut store = KvStore::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `set` [INFO] [stdout] --> src/bin/kvs.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get` [INFO] [stdout] --> src/bin/kvs.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn get(key: String, store: &KvStore) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rm` [INFO] [stdout] --> src/bin/kvs.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn rm(key: String, store: &KvStore) { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/kvs.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 72 | unimplemented!(); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 73 | store.set(key, value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/kvs.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 77 | unimplemented!(); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 78 | let res = store.get(key.to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/kvs.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 86 | unimplemented!(); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 87 | let res = store.get(key.to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut store = KvStore::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key_value` [INFO] [stdout] --> src/bin/kvs.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | key_value, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `key_value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/bin/kvs.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | all, [INFO] [stdout] | ^^^ help: try ignoring the field: `all: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interactive` [INFO] [stdout] --> src/bin/kvs.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | interactive, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `interactive: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | key, [INFO] [stdout] | ^^^ help: try ignoring the field: `key: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/bin/kvs.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | all, [INFO] [stdout] | ^^^ help: try ignoring the field: `all: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interactive` [INFO] [stdout] --> src/bin/kvs.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | interactive, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `interactive: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | key, [INFO] [stdout] | ^^^ help: try ignoring the field: `key: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `all` [INFO] [stdout] --> src/bin/kvs.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | all, [INFO] [stdout] | ^^^ help: try ignoring the field: `all: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `interactive` [INFO] [stdout] --> src/bin/kvs.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | interactive, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `interactive: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/bin/kvs.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:71:36 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | fn get(key: String, store: &KvStore) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | fn get(key: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | fn rm(key: String, store: &KvStore) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs.rs:85:20 [INFO] [stdout] | [INFO] [stdout] 85 | fn rm(key: String, store: &KvStore) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut store = KvStore::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `set` [INFO] [stdout] --> src/bin/kvs.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn set(key: String, value: String, store: &KvStore) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get` [INFO] [stdout] --> src/bin/kvs.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn get(key: String, store: &KvStore) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rm` [INFO] [stdout] --> src/bin/kvs.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn rm(key: String, store: &KvStore) { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.14s [INFO] running `Command { std: "docker" "inspect" "8cff7dba40c2a8e3dd06750b6380dd7186c8ccbab9814b73c48fac59ebfa6bd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cff7dba40c2a8e3dd06750b6380dd7186c8ccbab9814b73c48fac59ebfa6bd9", kill_on_drop: false }` [INFO] [stdout] 8cff7dba40c2a8e3dd06750b6380dd7186c8ccbab9814b73c48fac59ebfa6bd9