[INFO] cloning repository https://github.com/liuchengyiu/datacenter-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liuchengyiu/datacenter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuchengyiu%2Fdatacenter-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuchengyiu%2Fdatacenter-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4664d6f78fd18398503f941a7f3f6c5c4421bacc [INFO] checking liuchengyiu/datacenter-rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuchengyiu%2Fdatacenter-rust" "/workspace/builds/worker-95/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/liuchengyiu/datacenter-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/liuchengyiu/datacenter-rust [INFO] finished tweaking git repo https://github.com/liuchengyiu/datacenter-rust [INFO] tweaked toml for git repo https://github.com/liuchengyiu/datacenter-rust written to /workspace/builds/worker-95/source/Cargo.toml [INFO] crate git repo https://github.com/liuchengyiu/datacenter-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 sqlite v0.25.3 [INFO] [stderr] Downloaded sqlite3-sys v0.12.0 [INFO] [stderr] Downloaded sqlite3-src v0.2.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 603db4ef6d0b7efaa342ffc16d2aa8681daad79e78616eee21d2b5b7ac398811 [INFO] running `Command { std: "docker" "start" "-a" "603db4ef6d0b7efaa342ffc16d2aa8681daad79e78616eee21d2b5b7ac398811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "603db4ef6d0b7efaa342ffc16d2aa8681daad79e78616eee21d2b5b7ac398811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "603db4ef6d0b7efaa342ffc16d2aa8681daad79e78616eee21d2b5b7ac398811", kill_on_drop: false }` [INFO] [stdout] 603db4ef6d0b7efaa342ffc16d2aa8681daad79e78616eee21d2b5b7ac398811 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cf487e737631061cd8bb5e196260f7f73e291388117cadbd200b5154b5a3725 [INFO] running `Command { std: "docker" "start" "-a" "2cf487e737631061cd8bb5e196260f7f73e291388117cadbd200b5154b5a3725", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] syn v1.0.48 (as host dependency): visit [INFO] [stderr] [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling cc v1.0.62 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking futures-timer v0.1.1 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Compiling sqlite3-src v0.2.12 [INFO] [stderr] Compiling paho-mqtt-sys v0.3.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking sqlite3-sys v0.12.0 [INFO] [stderr] Checking async-io v1.2.0 [INFO] [stderr] Checking sqlite v0.25.3 [INFO] [stderr] Checking async-global-executor v1.4.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking async-std v1.7.0 [INFO] [stderr] Checking paho-mqtt v0.7.1 [INFO] [stderr] Checking database v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/protocol/deals/register/index.rs (2 fixes) [INFO] [stderr] Fixed src/mqtt_lib/mqtt_init.rs (1 fix) [INFO] [stderr] Fixed src/protocol/deals/model/index.rs (1 fix) [INFO] [stderr] Fixed src/common/common.rs (1 fix) [INFO] [stderr] Fixed src/sql/test.rs (10 fixes) [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `request_message` is never read [INFO] [stdout] --> src/protocol/deals/version/index.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut request_message = JsonValue::new_object(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/protocol/deals/register/index.rs:89:29 [INFO] [stdout] | [INFO] [stdout] 89 | let mut flag = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `request_message` is never read [INFO] [stdout] --> src/protocol/deals/version/index.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut request_message = JsonValue::new_object(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/protocol/deals/register/index.rs:89:29 [INFO] [stdout] | [INFO] [stdout] 89 | let mut flag = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CacherExample` [INFO] [stdout] --> src/common/common.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct CacherExample [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/common/common.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(cacher_example:T) -> CacherExample { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/common/common.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | fn value(&mut self, arg: u32) -> u32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sql/operate.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | self.create_table(table_names[i], &kvs[i]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CacherExample` [INFO] [stdout] --> src/common/common.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct CacherExample [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/common/common.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(cacher_example:T) -> CacherExample { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/common/common.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | fn value(&mut self, arg: u32) -> u32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sql/operate.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | self.create_table(table_names[i], &kvs[i]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.17s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking async-std v1.7.0 [INFO] [stderr] Checking paho-mqtt v0.7.1 [INFO] [stderr] Checking database v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `request_message` is never read [INFO] [stdout] --> src/protocol/deals/version/index.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut request_message = JsonValue::new_object(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/protocol/deals/register/index.rs:89:29 [INFO] [stdout] | [INFO] [stdout] 89 | let mut flag = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/sql/operate.rs:114:17 [INFO] [stdout] | [INFO] [stdout] 114 | let mut flag: bool = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `request_message` is never read [INFO] [stdout] --> src/protocol/deals/version/index.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut request_message = JsonValue::new_object(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/protocol/deals/register/index.rs:89:29 [INFO] [stdout] | [INFO] [stdout] 89 | let mut flag = false; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CacherExample` [INFO] [stdout] --> src/common/common.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct CacherExample [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/common/common.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(cacher_example:T) -> CacherExample { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/common/common.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | fn value(&mut self, arg: u32) -> u32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sql/operate.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | self.create_table(table_names[i], &kvs[i]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CacherExample` [INFO] [stdout] --> src/common/common.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct CacherExample [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/common/common.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(cacher_example:T) -> CacherExample { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/common/common.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | fn value(&mut self, arg: u32) -> u32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sql/operate.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | self.create_table(table_names[i], &kvs[i]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.18s [INFO] running `Command { std: "docker" "inspect" "2cf487e737631061cd8bb5e196260f7f73e291388117cadbd200b5154b5a3725", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cf487e737631061cd8bb5e196260f7f73e291388117cadbd200b5154b5a3725", kill_on_drop: false }` [INFO] [stdout] 2cf487e737631061cd8bb5e196260f7f73e291388117cadbd200b5154b5a3725