[INFO] cloning repository https://github.com/chanmaoganda/MathorCup_2023_D
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chanmaoganda/MathorCup_2023_D" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanmaoganda%2FMathorCup_2023_D", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanmaoganda%2FMathorCup_2023_D'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 939c279ef9a1bacdce49b58c46021f7f08c404eb
[INFO] building chanmaoganda/MathorCup_2023_D against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanmaoganda%2FMathorCup_2023_D" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chanmaoganda/MathorCup_2023_D
[INFO] finished tweaking git repo https://github.com/chanmaoganda/MathorCup_2023_D
[INFO] tweaked toml for git repo https://github.com/chanmaoganda/MathorCup_2023_D written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chanmaoganda/MathorCup_2023_D on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chanmaoganda/MathorCup_2023_D 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "8b79ff08e0bbbcf6a3805659fc33de2738f4e4ecd2828b44ae71051605bceffb", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 208bcca69072a0decd5f186f804ebbadc94eea97bcb43928c8961eb3574d22cc
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[INFO] [stderr]    Compiling data_dealer v0.1.0 (/opt/rustwide/workdir/crates/data_dealer)
[INFO] [stderr]    Compiling data_transferer v0.1.0 (/opt/rustwide/workdir/crates/data_transferer)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> crates/data_transferer/src/data_writer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]   --> crates/data_transferer/src/data_writer.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let results = conn.query_map(query, |name: String|{
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataWriter` is never constructed
[INFO] [stdout]  --> crates/data_transferer/src/data_writer.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DataWriter {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `foo` is never used
[INFO] [stdout]   --> crates/data_transferer/src/data_writer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl DataWriter {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 11 |     pub fn foo(&self, table_name: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling runner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "208bcca69072a0decd5f186f804ebbadc94eea97bcb43928c8961eb3574d22cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208bcca69072a0decd5f186f804ebbadc94eea97bcb43928c8961eb3574d22cc", kill_on_drop: false }`
[INFO] [stdout] 208bcca69072a0decd5f186f804ebbadc94eea97bcb43928c8961eb3574d22cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 213328fe541160e1a5fde31cc8a2f2ca28f8ae7b420de5100bb305d84f4b80f9
[INFO] running `Command { std: "docker" "start" "-a" "213328fe541160e1a5fde31cc8a2f2ca28f8ae7b420de5100bb305d84f4b80f9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> crates/data_transferer/src/data_writer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]   --> crates/data_transferer/src/data_writer.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let results = conn.query_map(query, |name: String|{
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataWriter` is never constructed
[INFO] [stdout]  --> crates/data_transferer/src/data_writer.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DataWriter {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `foo` is never used
[INFO] [stdout]   --> crates/data_transferer/src/data_writer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl DataWriter {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 11 |     pub fn foo(&self, table_name: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling runner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "213328fe541160e1a5fde31cc8a2f2ca28f8ae7b420de5100bb305d84f4b80f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213328fe541160e1a5fde31cc8a2f2ca28f8ae7b420de5100bb305d84f4b80f9", kill_on_drop: false }`
[INFO] [stdout] 213328fe541160e1a5fde31cc8a2f2ca28f8ae7b420de5100bb305d84f4b80f9