[INFO] cloning repository https://github.com/chanmaoganda/MathorCup_2023_D
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 939c279ef9a1bacdce49b58c46021f7f08c404eb
[INFO] building chanmaoganda/MathorCup_2023_D against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanmaoganda%2FMathorCup_2023_D" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[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
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[INFO] validating manifest of git repo https://github.com/chanmaoganda/MathorCup_2023_D on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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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 18s
[INFO] running `Command { std: "docker" "inspect" "4844407f33e2e5fe012588db5b6cf28ae091595e0ecaedca9f30801078c0b465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4844407f33e2e5fe012588db5b6cf28ae091595e0ecaedca9f30801078c0b465", kill_on_drop: false }`
[INFO] [stdout] 4844407f33e2e5fe012588db5b6cf28ae091595e0ecaedca9f30801078c0b465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8217e14976326b6d16b9e9eeedc3391888228c9676c09e54fc321a0c0d5cff4
[INFO] running `Command { std: "docker" "start" "-a" "d8217e14976326b6d16b9e9eeedc3391888228c9676c09e54fc321a0c0d5cff4", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "d8217e14976326b6d16b9e9eeedc3391888228c9676c09e54fc321a0c0d5cff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8217e14976326b6d16b9e9eeedc3391888228c9676c09e54fc321a0c0d5cff4", kill_on_drop: false }`
[INFO] [stdout] d8217e14976326b6d16b9e9eeedc3391888228c9676c09e54fc321a0c0d5cff4