[INFO] cloning repository https://github.com/Wesley-Allen-01/rust_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wesley-Allen-01/rust_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWesley-Allen-01%2Frust_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWesley-Allen-01%2Frust_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f605ea1a437c037e4253333c689e23cbd9d9230b
[INFO] checking Wesley-Allen-01/rust_db against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWesley-Allen-01%2Frust_db" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Wesley-Allen-01/rust_db
[INFO] finished tweaking git repo https://github.com/Wesley-Allen-01/rust_db
[INFO] tweaked toml for git repo https://github.com/Wesley-Allen-01/rust_db written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Wesley-Allen-01/rust_db on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Wesley-Allen-01/rust_db 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430
[INFO] running `Command { std: "docker" "start" "66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/database.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::schema::{self, Schema};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `rust_db`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod value;
[INFO] [stdout]   |           ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/database.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::schema::{self, Schema};
[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 import: `Value`
[INFO] [stdout]   --> src/database.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |     use crate::value::{DataType, Value};
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_db` (bin "rust_db") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: methods `drop_table`, `is_empty`, `get_mut`, `try_get`, `try_get_mut`, and `iter` are never used
[INFO] [stdout]   --> src/database.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Database {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn drop_table(&mut self, name: &str) -> Result<Table> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn get_mut(&mut self, name: &str) -> Result<&mut Table> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn try_get(&self, name: &str) -> Option<&Table> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn try_get_mut(&mut self, name: &str) -> Option<&mut Table> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn iter(&self) -> impl Iterator<Item = &Table> + '_ {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name` and `data_type` are never used
[INFO] [stdout]   --> src/schema.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Column {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn name(&self) -> &str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn data_type(&self) -> DataType {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `columns`, `is_empty`, `column`, and `column_by_name` are never used
[INFO] [stdout]   --> src/schema.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Schema {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn columns(&self) -> &[Column] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn column(&self, index: usize) -> Option<&Column> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn column_by_name(&self, name: &str) -> Option<&Column> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `values`, `get`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/table.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Row {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 10 |     pub fn values(&self) -> &[Value] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn get(&self, index: usize) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `schema`, `is_empty`, and `compact` are never used
[INFO] [stdout]    --> src/table.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl Table {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn schema(&self) -> &Schema {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  65 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn compact(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_null`, `as_int`, `as_float`, and `as_bool` are never used
[INFO] [stdout]   --> src/value.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn is_null(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn as_int(&self) -> Option<i64> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn as_float(&self) -> Option<f64> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn as_bool(&self) -> Option<bool> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430", kill_on_drop: false }`
[INFO] [stdout] 66a0327fcccaf205ca3ddca2a754d56227154c170a84f2089a9b6dd7ca94b430
