[INFO] cloning repository https://github.com/meetorion/simpledb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meetorion/simpledb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeetorion%2Fsimpledb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeetorion%2Fsimpledb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ec469705d48ec7a1b97d542af0a98e9f9f35e62
[INFO] checking meetorion/simpledb against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeetorion%2Fsimpledb" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meetorion/simpledb 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/meetorion/simpledb
[INFO] finished tweaking git repo https://github.com/meetorion/simpledb
[INFO] tweaked toml for git repo https://github.com/meetorion/simpledb written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/meetorion/simpledb 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 199e015a13743674b00701530a318e7c0f15f3fd226be96d021926c9b5140a43
[INFO] running `Command { std: "docker" "start" "-a" "199e015a13743674b00701530a318e7c0f15f3fd226be96d021926c9b5140a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199e015a13743674b00701530a318e7c0f15f3fd226be96d021926c9b5140a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199e015a13743674b00701530a318e7c0f15f3fd226be96d021926c9b5140a43", kill_on_drop: false }`
[INFO] [stdout] 199e015a13743674b00701530a318e7c0f15f3fd226be96d021926c9b5140a43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3f8f47c94ebbb6ab295bd92aa77f208c404dc0d04a1eb3e90a0af290fdcfa2eb
[INFO] running `Command { std: "docker" "start" "-a" "3f8f47c94ebbb6ab295bd92aa77f208c404dc0d04a1eb3e90a0af290fdcfa2eb", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-database v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MetaCommandResult` is never used
[INFO] [stdout]  --> src/meta.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum MetaCommandResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_meta_command` is never used
[INFO] [stdout]  --> src/meta.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn do_meta_command(buffer: &str) -> MetaCommandResult {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Insert` and `Select` are never constructed
[INFO] [stdout]  --> src/statement.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum StatementType {
[INFO] [stdout]   |          ------------- variants in this enum
[INFO] [stdout] 2 |     Insert,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     Select,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrepareResult` is never used
[INFO] [stdout]  --> src/statement.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum PrepareResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `statement_type` is never read
[INFO] [stdout]   --> src/statement.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Statement {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     statement_type: StatementType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MetaCommandResult` is never used
[INFO] [stdout]  --> src/meta.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum MetaCommandResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_meta_command` is never used
[INFO] [stdout]  --> src/meta.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn do_meta_command(buffer: &str) -> MetaCommandResult {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Insert` and `Select` are never constructed
[INFO] [stdout]  --> src/statement.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum StatementType {
[INFO] [stdout]   |          ------------- variants in this enum
[INFO] [stdout] 2 |     Insert,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     Select,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrepareResult` is never used
[INFO] [stdout]  --> src/statement.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum PrepareResult {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `statement_type` is never read
[INFO] [stdout]   --> src/statement.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Statement {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     statement_type: StatementType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_statement` is never used
[INFO] [stdout]   --> src/statement.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn prepare_statement(cmd: &str, stmt: &mut Statement) -> PrepareResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_statement` is never used
[INFO] [stdout]   --> src/statement.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn execute_statement(stmt: Statement) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_statement` is never used
[INFO] [stdout]   --> src/statement.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn prepare_statement(cmd: &str, stmt: &mut Statement) -> PrepareResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_statement` is never used
[INFO] [stdout]   --> src/statement.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn execute_statement(stmt: Statement) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "3f8f47c94ebbb6ab295bd92aa77f208c404dc0d04a1eb3e90a0af290fdcfa2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8f47c94ebbb6ab295bd92aa77f208c404dc0d04a1eb3e90a0af290fdcfa2eb", kill_on_drop: false }`
[INFO] [stdout] 3f8f47c94ebbb6ab295bd92aa77f208c404dc0d04a1eb3e90a0af290fdcfa2eb