[INFO] cloning repository https://github.com/kamalnayan10/rustDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamalnayan10/rustDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalnayan10%2FrustDB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalnayan10%2FrustDB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3446d092939c21558f3eb374b5979a516c88eb25
[INFO] checking kamalnayan10/rustDB against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalnayan10%2FrustDB" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamalnayan10/rustDB on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamalnayan10/rustDB
[INFO] finished tweaking git repo https://github.com/kamalnayan10/rustDB
[INFO] tweaked toml for git repo https://github.com/kamalnayan10/rustDB written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kamalnayan10/rustDB 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" "+d93f678fa55842cccd2f091deccd93e9494b3764" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 936ce9185d99c35c75d0a344becac334195714db1d8723a8236ca1ae936907ef
[INFO] running `Command { std: "docker" "start" "-a" "936ce9185d99c35c75d0a344becac334195714db1d8723a8236ca1ae936907ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "936ce9185d99c35c75d0a344becac334195714db1d8723a8236ca1ae936907ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936ce9185d99c35c75d0a344becac334195714db1d8723a8236ca1ae936907ef", kill_on_drop: false }`
[INFO] [stdout] 936ce9185d99c35c75d0a344becac334195714db1d8723a8236ca1ae936907ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f4169484cad6ad6556d7da312e5a69f8759ff35897a78b934927fe996c7c135
[INFO] running `Command { std: "docker" "start" "-a" "7f4169484cad6ad6556d7da312e5a69f8759ff35897a78b934927fe996c7c135", kill_on_drop: false }`
[INFO] [stderr]     Checking scratch_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `META_CMD_SUCCESS` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     META_CMD_SUCCESS,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MetaCmdSuccess`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `META_CMD_UNRECOGNISED_CMD` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     META_CMD_UNRECOGNISED_CMD,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MetaCmdUnrecognisedCmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PREPARE_SUCCESS` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PREPARE_SUCCESS,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrepareSuccess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PREPARE_UNRECOGNISED_STATEMENT` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     PREPARE_UNRECOGNISED_STATEMENT
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrepareUnrecognisedStatement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STATEMENT_INSERT` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     STATEMENT_INSERT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatementInsert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STATEMENT_SELECT` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     STATEMENT_SELECT
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatementSelect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 |     if(buffer == ".exit"){
[INFO] [stdout]    |       ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -     if(buffer == ".exit"){
[INFO] [stdout] 41 +     if buffer == ".exit" {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `META_CMD_SUCCESS` is never constructed
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum MetaCmdResult {
[INFO] [stdout]   |      ------------- variant in this enum
[INFO] [stdout] 4 |     META_CMD_SUCCESS,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `META_CMD_SUCCESS` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     META_CMD_SUCCESS,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MetaCmdSuccess`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `META_CMD_UNRECOGNISED_CMD` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     META_CMD_UNRECOGNISED_CMD,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MetaCmdUnrecognisedCmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PREPARE_SUCCESS` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PREPARE_SUCCESS,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrepareSuccess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PREPARE_UNRECOGNISED_STATEMENT` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     PREPARE_UNRECOGNISED_STATEMENT
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrepareUnrecognisedStatement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STATEMENT_INSERT` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     STATEMENT_INSERT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatementInsert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STATEMENT_SELECT` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     STATEMENT_SELECT
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StatementSelect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 |     if(buffer == ".exit"){
[INFO] [stdout]    |       ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -     if(buffer == ".exit"){
[INFO] [stdout] 41 +     if buffer == ".exit" {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `META_CMD_SUCCESS` is never constructed
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum MetaCmdResult {
[INFO] [stdout]   |      ------------- variant in this enum
[INFO] [stdout] 4 |     META_CMD_SUCCESS,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "7f4169484cad6ad6556d7da312e5a69f8759ff35897a78b934927fe996c7c135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4169484cad6ad6556d7da312e5a69f8759ff35897a78b934927fe996c7c135", kill_on_drop: false }`
[INFO] [stdout] 7f4169484cad6ad6556d7da312e5a69f8759ff35897a78b934927fe996c7c135