[INFO] cloning repository https://github.com/nester-a/mini_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nester-a/mini_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnester-a%2Fmini_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnester-a%2Fmini_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec3fbcabcde11ec470635fff100ffc903f93df69
[INFO] checking nester-a/mini_db against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnester-a%2Fmini_db" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nester-a/mini_db
[INFO] finished tweaking git repo https://github.com/nester-a/mini_db
[INFO] tweaked toml for git repo https://github.com/nester-a/mini_db written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nester-a/mini_db on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nester-a/mini_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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 195a823820eba0169cd0a2f0e68c668c6f5bffe112519fc7b7f48ceae62788fb
[INFO] running `Command { std: "docker" "start" "-a" "195a823820eba0169cd0a2f0e68c668c6f5bffe112519fc7b7f48ceae62788fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195a823820eba0169cd0a2f0e68c668c6f5bffe112519fc7b7f48ceae62788fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195a823820eba0169cd0a2f0e68c668c6f5bffe112519fc7b7f48ceae62788fb", kill_on_drop: false }`
[INFO] [stdout] 195a823820eba0169cd0a2f0e68c668c6f5bffe112519fc7b7f48ceae62788fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f1219d15bb2a22a4fdfb9c21f90a483554acae951892dff5a0edadfae9bbd2
[INFO] running `Command { std: "docker" "start" "-a" "11f1219d15bb2a22a4fdfb9c21f90a483554acae951892dff5a0edadfae9bbd2", kill_on_drop: false }`
[INFO] [stderr]     Checking mini_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/models.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alredy_exists` is never used
[INFO] [stdout]  --> src/errors.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn alredy_exists() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `not_found` is never used
[INFO] [stdout]  --> src/errors.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn not_found() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DatabaseError` is never used
[INFO] [stdout]  --> src/errors.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum DatabaseError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserDatabase` is never constructed
[INFO] [stdout]  --> src/db.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct UserDatabase {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_user`, `get_user`, `delete_user`, and `get_all_users` are never used
[INFO] [stdout]   --> src/db.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl UserDatabase {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn add_user(&mut self, username: String, email: String) -> Result<u32, DatabaseError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn get_user(&self, id: u32) -> Option<&User> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn delete_user(&mut self, id: u32) -> Result<(), DatabaseError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn get_all_users(&self) -> Vec<&User> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/models.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alredy_exists` is never used
[INFO] [stdout]  --> src/errors.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn alredy_exists() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `not_found` is never used
[INFO] [stdout]  --> src/errors.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn not_found() -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DatabaseError` is never used
[INFO] [stdout]  --> src/errors.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum DatabaseError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserDatabase` is never constructed
[INFO] [stdout]  --> src/db.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct UserDatabase {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_user`, `get_user`, `delete_user`, and `get_all_users` are never used
[INFO] [stdout]   --> src/db.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl UserDatabase {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn add_user(&mut self, username: String, email: String) -> Result<u32, DatabaseError> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn get_user(&self, id: u32) -> Option<&User> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn delete_user(&mut self, id: u32) -> Result<(), DatabaseError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn get_all_users(&self) -> Vec<&User> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "11f1219d15bb2a22a4fdfb9c21f90a483554acae951892dff5a0edadfae9bbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f1219d15bb2a22a4fdfb9c21f90a483554acae951892dff5a0edadfae9bbd2", kill_on_drop: false }`
[INFO] [stdout] 11f1219d15bb2a22a4fdfb9c21f90a483554acae951892dff5a0edadfae9bbd2
