[INFO] cloning repository https://github.com/rupsis/rust-db
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rupsis/rust-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frupsis%2Frust-db"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frupsis%2Frust-db'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eca1c9d5a02cc2cb118286d156ef2bf8df441d5a
[INFO] testing rupsis/rust-db against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frupsis%2Frust-db" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rupsis/rust-db on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rupsis/rust-db
[INFO] finished tweaking git repo https://github.com/rupsis/rust-db
[INFO] tweaked toml for git repo https://github.com/rupsis/rust-db written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rupsis/rust-db already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2727ffdfbbb08ec6988b488f23bd3e28000d142fb6139b8cbad9f392c8caa34
[INFO] running `"docker" "start" "-a" "b2727ffdfbbb08ec6988b488f23bd3e28000d142fb6139b8cbad9f392c8caa34"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling colored v1.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling scan_fmt v0.2.2
[INFO] [stderr]    Compiling rust_DB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant `EXECUTE_SUCCESS` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     EXECUTE_SUCCESS,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteSuccess`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EXECUTE_FAILURE` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     EXECUTE_FAILURE,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteFailure`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EXECUTE_TABLE_FULL` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     EXECUTE_TABLE_FULL
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteTableFull`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |      if (command == ".exit"){
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:118:7
[INFO] [stderr]     |
[INFO] [stderr] 118 |     if(&command[..6] == "insert"){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |     if(&command[..6] == "select"){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:148:7
[INFO] [stderr]     |
[INFO] [stderr] 148 |     if(table.num_rows >= TABLE_MAX_ROWS){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:187:10
[INFO] [stderr]     |
[INFO] [stderr] 187 |     while(true){
[INFO] [stderr]     |          ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/main.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     while(true){
[INFO] [stderr]     |     ^^^^^^^^^^^ help: use `loop`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:195:11
[INFO] [stderr]     |
[INFO] [stderr] 195 |         if(&user_input[0..1] == "."){
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `statement`
[INFO] [stderr]    --> src/main.rs:157:19
[INFO] [stderr]     |
[INFO] [stderr] 157 | fn execute_select(statement: Statement, table: &Table) -> ExecuteResult{
[INFO] [stderr]     |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLUMN_USERNAME_SIZE`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const COLUMN_USERNAME_SIZE: usize = 32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLUMN_EMAIL_SIZE`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const COLUMN_EMAIL_SIZE: usize = 255;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MetaCommandSuccess`
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     MetaCommandSuccess,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rust_DB` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_db`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `statementType` should have a snake case name
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     statementType: StatementTypes,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `statement_type`
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.57s
[INFO] running `"docker" "inspect" "b2727ffdfbbb08ec6988b488f23bd3e28000d142fb6139b8cbad9f392c8caa34"`
[INFO] running `"docker" "rm" "-f" "b2727ffdfbbb08ec6988b488f23bd3e28000d142fb6139b8cbad9f392c8caa34"`
[INFO] [stdout] b2727ffdfbbb08ec6988b488f23bd3e28000d142fb6139b8cbad9f392c8caa34
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 353ab3bc38429eb90223c370970cc5b08fdacf076546c6c6c4e0698474138f7a
[INFO] running `"docker" "start" "-a" "353ab3bc38429eb90223c370970cc5b08fdacf076546c6c6c4e0698474138f7a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_DB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant `EXECUTE_SUCCESS` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     EXECUTE_SUCCESS,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteSuccess`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EXECUTE_FAILURE` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     EXECUTE_FAILURE,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteFailure`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EXECUTE_TABLE_FULL` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     EXECUTE_TABLE_FULL
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteTableFull`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |      if (command == ".exit"){
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:118:7
[INFO] [stderr]     |
[INFO] [stderr] 118 |     if(&command[..6] == "insert"){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |     if(&command[..6] == "select"){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:148:7
[INFO] [stderr]     |
[INFO] [stderr] 148 |     if(table.num_rows >= TABLE_MAX_ROWS){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:187:10
[INFO] [stderr]     |
[INFO] [stderr] 187 |     while(true){
[INFO] [stderr]     |          ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/main.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     while(true){
[INFO] [stderr]     |     ^^^^^^^^^^^ help: use `loop`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:195:11
[INFO] [stderr]     |
[INFO] [stderr] 195 |         if(&user_input[0..1] == "."){
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `statement`
[INFO] [stderr]    --> src/main.rs:157:19
[INFO] [stderr]     |
[INFO] [stderr] 157 | fn execute_select(statement: Statement, table: &Table) -> ExecuteResult{
[INFO] [stderr]     |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLUMN_USERNAME_SIZE`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const COLUMN_USERNAME_SIZE: usize = 32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLUMN_EMAIL_SIZE`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const COLUMN_EMAIL_SIZE: usize = 255;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MetaCommandSuccess`
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     MetaCommandSuccess,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rust_DB` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_db`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `statementType` should have a snake case name
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     statementType: StatementTypes,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `statement_type`
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "353ab3bc38429eb90223c370970cc5b08fdacf076546c6c6c4e0698474138f7a"`
[INFO] running `"docker" "rm" "-f" "353ab3bc38429eb90223c370970cc5b08fdacf076546c6c6c4e0698474138f7a"`
[INFO] [stdout] 353ab3bc38429eb90223c370970cc5b08fdacf076546c6c6c4e0698474138f7a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 812ed9a4930423f10166ce1cf263ef5bbc2e7dcdf15007aafb426521df00de54
[INFO] running `"docker" "start" "-a" "812ed9a4930423f10166ce1cf263ef5bbc2e7dcdf15007aafb426521df00de54"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variant `EXECUTE_SUCCESS` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     EXECUTE_SUCCESS,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteSuccess`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EXECUTE_FAILURE` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     EXECUTE_FAILURE,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteFailure`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EXECUTE_TABLE_FULL` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     EXECUTE_TABLE_FULL
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExecuteTableFull`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |      if (command == ".exit"){
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:118:7
[INFO] [stderr]     |
[INFO] [stderr] 118 |     if(&command[..6] == "insert"){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:136:7
[INFO] [stderr]     |
[INFO] [stderr] 136 |     if(&command[..6] == "select"){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:148:7
[INFO] [stderr]     |
[INFO] [stderr] 148 |     if(table.num_rows >= TABLE_MAX_ROWS){
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/main.rs:187:10
[INFO] [stderr]     |
[INFO] [stderr] 187 |     while(true){
[INFO] [stderr]     |          ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/main.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     while(true){
[INFO] [stderr]     |     ^^^^^^^^^^^ help: use `loop`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:195:11
[INFO] [stderr]     |
[INFO] [stderr] 195 |         if(&user_input[0..1] == "."){
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `statement`
[INFO] [stderr]    --> src/main.rs:157:19
[INFO] [stderr]     |
[INFO] [stderr] 157 | fn execute_select(statement: Statement, table: &Table) -> ExecuteResult{
[INFO] [stderr]     |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLUMN_USERNAME_SIZE`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const COLUMN_USERNAME_SIZE: usize = 32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLUMN_EMAIL_SIZE`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const COLUMN_EMAIL_SIZE: usize = 255;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MetaCommandSuccess`
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     MetaCommandSuccess,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rust_DB` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_db`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `statementType` should have a snake case name
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     statementType: StatementTypes,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `statement_type`
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_DB-35572245ba230d6c
[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 `"docker" "inspect" "812ed9a4930423f10166ce1cf263ef5bbc2e7dcdf15007aafb426521df00de54"`
[INFO] running `"docker" "rm" "-f" "812ed9a4930423f10166ce1cf263ef5bbc2e7dcdf15007aafb426521df00de54"`
[INFO] [stdout] 812ed9a4930423f10166ce1cf263ef5bbc2e7dcdf15007aafb426521df00de54