[INFO] cloning repository https://github.com/Rhaqim/ussdframework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rhaqim/ussdframework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhaqim%2Fussdframework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhaqim%2Fussdframework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08d5ed705a4822c108d650c629b264184639e364
[INFO] checking Rhaqim/ussdframework against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhaqim%2Fussdframework" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rhaqim/ussdframework on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rhaqim/ussdframework
[INFO] finished tweaking git repo https://github.com/Rhaqim/ussdframework
[INFO] tweaked toml for git repo https://github.com/Rhaqim/ussdframework written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rhaqim/ussdframework 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/interface/screen.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/interface/screen.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DatabaseManager`, `Database`
[INFO] [stdout]  --> src/interface/screen.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::database::{Database, DatabaseManager};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DatabaseManager`, `Database`
[INFO] [stdout]  --> src/interface/screen.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::database::{Database, DatabaseManager};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/core/ussd_service.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait USSDServiceTrait {
[INFO] [stdout]    |           ---------------- associated function in this trait
[INFO] [stdout] 19 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `establish_connection` is never used
[INFO] [stdout]  --> src/database/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn establish_connection() -> SqliteConnection {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Database` is never used
[INFO] [stdout]   --> src/database/mod.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Database<T> {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseManager` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct DatabaseManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/database/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl DatabaseManager {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new() -> DatabaseManager {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `info`, `error`, `warning`, `debug`, and `trace` are never used
[INFO] [stdout]   --> src/log/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait USSDLogger {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 38 |     fn info(&self, message: &str);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 39 |     fn error(&self, message: &str);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 40 |     fn warning(&self, message: &str);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 41 |     fn debug(&self, message: &str);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 42 |     fn trace(&self, message: &str);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/core/ussd_service.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait USSDServiceTrait {
[INFO] [stdout]    |           ---------------- associated function in this trait
[INFO] [stdout] 19 |     fn new(
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `establish_connection` is never used
[INFO] [stdout]  --> src/database/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn establish_connection() -> SqliteConnection {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Database` is never used
[INFO] [stdout]   --> src/database/mod.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Database<T> {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatabaseManager` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct DatabaseManager {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/database/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl DatabaseManager {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn new() -> DatabaseManager {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `info`, `error`, `warning`, `debug`, and `trace` are never used
[INFO] [stdout]   --> src/log/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait USSDLogger {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 38 |     fn info(&self, message: &str);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 39 |     fn error(&self, message: &str);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 40 |     fn warning(&self, message: &str);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 41 |     fn debug(&self, message: &str);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 42 |     fn trace(&self, message: &str);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "8b7e7bf24194db78264927b2288abdf973d8f03e6a38dd545a41321e709ae6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7e7bf24194db78264927b2288abdf973d8f03e6a38dd545a41321e709ae6e2", kill_on_drop: false }`
[INFO] [stdout] 8b7e7bf24194db78264927b2288abdf973d8f03e6a38dd545a41321e709ae6e2