[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] testing sepiropht/kvs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fkvs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sepiropht/kvs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17f5cb289243f5dde3cbac9f0e0e377ab31fb8ad6e54d686f730ba4619bd76a3
[INFO] running `Command { std: "docker" "start" "-a" "17f5cb289243f5dde3cbac9f0e0e377ab31fb8ad6e54d686f730ba4619bd76a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f5cb289243f5dde3cbac9f0e0e377ab31fb8ad6e54d686f730ba4619bd76a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f5cb289243f5dde3cbac9f0e0e377ab31fb8ad6e54d686f730ba4619bd76a3", kill_on_drop: false }`
[INFO] [stdout] 17f5cb289243f5dde3cbac9f0e0e377ab31fb8ad6e54d686f730ba4619bd76a3
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5c17a41f968c1ec23696068f22d5400d0f9f033dbd7e770afcf834d379338e7
[INFO] running `Command { std: "docker" "start" "-a" "e5c17a41f968c1ec23696068f22d5400d0f9f033dbd7e770afcf834d379338e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling 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:38:9
[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 34.31s
[INFO] running `Command { std: "docker" "inspect" "e5c17a41f968c1ec23696068f22d5400d0f9f033dbd7e770afcf834d379338e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c17a41f968c1ec23696068f22d5400d0f9f033dbd7e770afcf834d379338e7", kill_on_drop: false }`
[INFO] [stdout] e5c17a41f968c1ec23696068f22d5400d0f9f033dbd7e770afcf834d379338e7
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6295180aa12c4bd96666945d0b9196b2ca97593ffb472a8125099221b4184bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6295180aa12c4bd96666945d0b9196b2ca97593ffb472a8125099221b4184bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[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:38:9
[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]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling 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:38:9
[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 test [unoptimized + debuginfo] target(s) in 49.10s
[INFO] running `Command { std: "docker" "inspect" "f6295180aa12c4bd96666945d0b9196b2ca97593ffb472a8125099221b4184bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6295180aa12c4bd96666945d0b9196b2ca97593ffb472a8125099221b4184bb", kill_on_drop: false }`
[INFO] [stdout] f6295180aa12c4bd96666945d0b9196b2ca97593ffb472a8125099221b4184bb
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 422c307c51bc281bb5cf80a723721c37572d97bd1834a53f8df4a93af665c083
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "422c307c51bc281bb5cf80a723721c37572d97bd1834a53f8df4a93af665c083", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/kvs.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 73 |     store.set(key, value);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/kvs.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 78 |     let res = store.get(key.to_owned());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/kvs.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 87 |     let res = store.get(key.to_owned());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/kvs.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 73 |     store.set(key, value);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/kvs.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 78 |     let res = store.get(key.to_owned());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/kvs.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     unimplemented!();
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 87 |     let res = store.get(key.to_owned());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut store = KvStore::new();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_value`
[INFO] [stderr]   --> src/bin/kvs.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             key_value,
[INFO] [stderr]    |             ^^^^^^^^^ help: try ignoring the field: `key_value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all`
[INFO] [stderr]   --> src/bin/kvs.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             all,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `all: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interactive`
[INFO] [stderr]   --> src/bin/kvs.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             interactive,
[INFO] [stderr]    |             ^^^^^^^^^^^ help: try ignoring the field: `interactive: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             key,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut store = KvStore::new();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all`
[INFO] [stderr]   --> src/bin/kvs.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             all,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `all: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_value`
[INFO] [stderr]   --> src/bin/kvs.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             key_value,
[INFO] [stderr]    |             ^^^^^^^^^ help: try ignoring the field: `key_value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interactive`
[INFO] [stderr]   --> src/bin/kvs.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             interactive,
[INFO] [stderr]    |             ^^^^^^^^^^^ help: try ignoring the field: `interactive: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all`
[INFO] [stderr]   --> src/bin/kvs.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             all,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `all: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             key,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interactive`
[INFO] [stderr]   --> src/bin/kvs.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             interactive,
[INFO] [stderr]    |             ^^^^^^^^^^^ help: try ignoring the field: `interactive: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all`
[INFO] [stderr]   --> src/bin/kvs.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             all,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `all: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             key,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all`
[INFO] [stderr]   --> src/bin/kvs.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             all,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `all: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interactive`
[INFO] [stderr]   --> src/bin/kvs.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             interactive,
[INFO] [stderr]    |             ^^^^^^^^^^^ help: try ignoring the field: `interactive: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interactive`
[INFO] [stderr]   --> src/bin/kvs.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             interactive,
[INFO] [stderr]    |             ^^^^^^^^^^^ help: try ignoring the field: `interactive: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/bin/kvs.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:71:36
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             key,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `key: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn get(key: String, store: &KvStore) {
[INFO] [stderr]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all`
[INFO] [stderr]   --> src/bin/kvs.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             all,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `all: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn get(key: String, store: &KvStore) {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interactive`
[INFO] [stderr]   --> src/bin/kvs.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             interactive,
[INFO] [stderr]    |             ^^^^^^^^^^^ help: try ignoring the field: `interactive: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn rm(key: String, store: &KvStore) {
[INFO] [stderr]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:85:20
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn rm(key: String, store: &KvStore) {
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/bin/kvs.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:71:36
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn get(key: String, store: &KvStore) {
[INFO] [stderr]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/kvs.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut store = KvStore::new();
[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: function is never used: `set`
[INFO] [stderr]   --> src/bin/kvs.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn get(key: String, store: &KvStore) {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get`
[INFO] [stderr]   --> src/bin/kvs.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn get(key: String, store: &KvStore) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn rm(key: String, store: &KvStore) {
[INFO] [stderr]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `store`
[INFO] [stderr]   --> src/bin/kvs.rs:85:20
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn rm(key: String, store: &KvStore) {
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_store`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rm`
[INFO] [stderr]   --> src/bin/kvs.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn rm(key: String, store: &KvStore) {
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/kvs.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut store = KvStore::new();
[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: function is never used: `set`
[INFO] [stderr]   --> src/bin/kvs.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn set(key: String, value: String, store: &KvStore) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get`
[INFO] [stderr]   --> src/bin/kvs.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn get(key: String, store: &KvStore) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rm`
[INFO] [stderr]   --> src/bin/kvs.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn rm(key: String, store: &KvStore) {
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvs-2097c579fc5840e5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvs-24fa549047426ff4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-5cfcbf44e91554c9
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test cli_get ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test cli_invalid_rm ... ok
[INFO] [stdout] test cli_no_args ... ok
[INFO] [stdout] test cli_invalid_get ... ok
[INFO] [stdout] test cli_version ... ok
[INFO] [stdout] test cli_invalid_subcommand ... ok
[INFO] [stdout] test cli_rm ... ok
[INFO] [stdout] test cli_set ... ok
[INFO] [stdout] test cli_invalid_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kvs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "422c307c51bc281bb5cf80a723721c37572d97bd1834a53f8df4a93af665c083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422c307c51bc281bb5cf80a723721c37572d97bd1834a53f8df4a93af665c083", kill_on_drop: false }`
[INFO] [stdout] 422c307c51bc281bb5cf80a723721c37572d97bd1834a53f8df4a93af665c083