[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] checking chanmaoganda/MathorCup_2023_D against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanmaoganda%2FMathorCup_2023_D" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chanmaoganda/MathorCup_2023_D on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1776c76ca89eff79e034a5f2b9c6b51d4c36ace77845a523be69e7fd8298e66c
[INFO] running `Command { std: "docker" "start" "-a" "1776c76ca89eff79e034a5f2b9c6b51d4c36ace77845a523be69e7fd8298e66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1776c76ca89eff79e034a5f2b9c6b51d4c36ace77845a523be69e7fd8298e66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1776c76ca89eff79e034a5f2b9c6b51d4c36ace77845a523be69e7fd8298e66c", kill_on_drop: false }`
[INFO] [stdout] 1776c76ca89eff79e034a5f2b9c6b51d4c36ace77845a523be69e7fd8298e66c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad107db3cc03e345014c9fc57b26cc38c81266ef0df343b6549745842c68e687
[INFO] running `Command { std: "docker" "start" "-a" "ad107db3cc03e345014c9fc57b26cc38c81266ef0df343b6549745842c68e687", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.201
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]     Checking zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling subprocess v0.2.9
[INFO] [stderr]    Compiling bigdecimal v0.4.3
[INFO] [stderr]    Compiling rust_decimal v1.35.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking libm v0.2.8
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking zstd v0.13.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking btoi v0.4.3
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[INFO] [stderr]    Compiling mysql-common-derive v0.31.1
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[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking data_dealer v0.1.0 (/opt/rustwide/workdir/crates/data_dealer)
[INFO] [stderr]     Checking 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]     Checking runner v0.1.0 (/opt/rustwide/workdir)
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.20s
[INFO] running `Command { std: "docker" "inspect" "ad107db3cc03e345014c9fc57b26cc38c81266ef0df343b6549745842c68e687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad107db3cc03e345014c9fc57b26cc38c81266ef0df343b6549745842c68e687", kill_on_drop: false }`
[INFO] [stdout] ad107db3cc03e345014c9fc57b26cc38c81266ef0df343b6549745842c68e687