[INFO] cloning repository https://github.com/ming-relax/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ming-relax/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fming-relax%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fming-relax%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21dbe9c290d5012e75a818efa13f77a00ef9e2f7 [INFO] checking ming-relax/kvs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fming-relax%2Fkvs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ming-relax/kvs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ming-relax/kvs [INFO] finished tweaking git repo https://github.com/ming-relax/kvs [INFO] tweaked toml for git repo https://github.com/ming-relax/kvs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ming-relax/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.41 [INFO] [stderr] Downloaded libc v0.2.64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c137268bb039da286968228d7db388b97210d392c6fd12bf74c265519a49ab4a [INFO] running `Command { std: "docker" "start" "-a" "c137268bb039da286968228d7db388b97210d392c6fd12bf74c265519a49ab4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c137268bb039da286968228d7db388b97210d392c6fd12bf74c265519a49ab4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c137268bb039da286968228d7db388b97210d392c6fd12bf74c265519a49ab4a", kill_on_drop: false }` [INFO] [stdout] c137268bb039da286968228d7db388b97210d392c6fd12bf74c265519a49ab4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d0e242bb179f28389fca7dadad866aa2b027e32d8a05f6ae21cbbd273166428 [INFO] running `Command { std: "docker" "start" "-a" "3d0e242bb179f28389fca7dadad866aa2b027e32d8a05f6ae21cbbd273166428", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn get(&mut self, key: String) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:19:30 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn remove(&mut self, key: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/bin/kvs.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | if let Some(ref matches) = matches.subcommand_matches("get") { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn get(&mut self, key: String) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:19:30 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn remove(&mut self, key: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/bin/kvs.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | if let Some(ref matches) = matches.subcommand_matches("get") { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.52s [INFO] running `Command { std: "docker" "inspect" "3d0e242bb179f28389fca7dadad866aa2b027e32d8a05f6ae21cbbd273166428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0e242bb179f28389fca7dadad866aa2b027e32d8a05f6ae21cbbd273166428", kill_on_drop: false }` [INFO] [stdout] 3d0e242bb179f28389fca7dadad866aa2b027e32d8a05f6ae21cbbd273166428 [INFO] checking ming-relax/kvs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fming-relax%2Fkvs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ming-relax/kvs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ming-relax/kvs [INFO] finished tweaking git repo https://github.com/ming-relax/kvs [INFO] tweaked toml for git repo https://github.com/ming-relax/kvs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ming-relax/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0b6c0a771c90fd7ff14674503207e0eb206b171ee77e15c254a106fe7042c78 [INFO] running `Command { std: "docker" "start" "-a" "d0b6c0a771c90fd7ff14674503207e0eb206b171ee77e15c254a106fe7042c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0b6c0a771c90fd7ff14674503207e0eb206b171ee77e15c254a106fe7042c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0b6c0a771c90fd7ff14674503207e0eb206b171ee77e15c254a106fe7042c78", kill_on_drop: false }` [INFO] [stdout] d0b6c0a771c90fd7ff14674503207e0eb206b171ee77e15c254a106fe7042c78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88839e424c00cf23a470ad9adba6b48799e31ba2654dd456dcac05fa5e8776ff [INFO] running `Command { std: "docker" "start" "-a" "88839e424c00cf23a470ad9adba6b48799e31ba2654dd456dcac05fa5e8776ff", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn get(&mut self, key: String) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:19:30 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn remove(&mut self, key: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.3.1 [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/bin/kvs.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | if let Some(ref matches) = matches.subcommand_matches("get") { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:11:40 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn set(&mut self, key: String, value: String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:15:27 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn get(&mut self, key: String) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:19:30 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn remove(&mut self, key: String) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matches` [INFO] [stdout] --> src/bin/kvs.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | if let Some(ref matches) = matches.subcommand_matches("get") { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.14s [INFO] running `Command { std: "docker" "inspect" "88839e424c00cf23a470ad9adba6b48799e31ba2654dd456dcac05fa5e8776ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88839e424c00cf23a470ad9adba6b48799e31ba2654dd456dcac05fa5e8776ff", kill_on_drop: false }` [INFO] [stdout] 88839e424c00cf23a470ad9adba6b48799e31ba2654dd456dcac05fa5e8776ff