Dec 06 07:54:02.067 INFO testing adumbidiot/scratch-native against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:54:02.067 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 07:54:02.619 INFO [stdout] fd635de4e046a651dd9abb006d6e5a16320e717b5306f45f5e6c0f0f05db5511
Dec 06 07:54:02.622 INFO running `"docker" "start" "-a" "fd635de4e046a651dd9abb006d6e5a16320e717b5306f45f5e6c0f0f05db5511"`
Dec 06 07:54:04.184 INFO [stderr] usermod: no changes
Dec 06 07:54:04.531 INFO [stderr]    Compiling curl-sys v0.4.15
Dec 06 07:54:04.537 INFO [stderr]    Compiling tokio-signal v0.2.7
Dec 06 07:54:04.537 INFO [stderr]    Compiling hyper v0.12.16
Dec 06 07:54:07.586 INFO [stderr]    Compiling curl v0.4.19
Dec 06 07:54:08.861 INFO [stderr]    Compiling tokio-process v0.2.3
Dec 06 07:54:16.412 INFO [stderr]    Compiling scratch-native v0.1.0 (/source)
Dec 06 07:54:19.895 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 07:54:19.895 INFO [stderr]  --> src/main.rs:4:1
Dec 06 07:54:19.895 INFO [stderr]   |
Dec 06 07:54:19.895 INFO [stderr] 4 | #[macro_use]
Dec 06 07:54:19.895 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 07:54:19.895 INFO [stderr]   |
Dec 06 07:54:19.895 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 07:54:19.895 INFO [stderr] 
Dec 06 07:54:19.895 INFO [stderr] warning: unused imports: `Future`, `self`
Dec 06 07:54:19.895 INFO [stderr]   --> src/main.rs:13:17
Dec 06 07:54:19.895 INFO [stderr]    |
Dec 06 07:54:19.895 INFO [stderr] 13 | use hyper::rt::{self, Future};
Dec 06 07:54:19.895 INFO [stderr]    |                 ^^^^  ^^^^^^
Dec 06 07:54:19.895 INFO [stderr] 
Dec 06 07:54:19.896 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Dec 06 07:54:19.896 INFO [stderr]  --> src/scratch/api/types/json.rs:1:40
Dec 06 07:54:19.896 INFO [stderr]   |
Dec 06 07:54:19.896 INFO [stderr] 1 | use serde::{Deserializer, Deserialize, Serialize, Serializer};
Dec 06 07:54:19.896 INFO [stderr]   |                                        ^^^^^^^^^  ^^^^^^^^^^
Dec 06 07:54:19.896 INFO [stderr] 
Dec 06 07:54:19.896 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 06 07:54:19.896 INFO [stderr]  --> src/scratch/api/types/json.rs:7:5
Dec 06 07:54:19.896 INFO [stderr]   |
Dec 06 07:54:19.896 INFO [stderr] 7 | use std::marker::PhantomData;
Dec 06 07:54:19.896 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:19.896 INFO [stderr] 
Dec 06 07:54:19.901 INFO [stderr] warning: unused import: `File`
Dec 06 07:54:19.901 INFO [stderr]   --> src/scratch/mod.rs:11:23
Dec 06 07:54:19.901 INFO [stderr]    |
Dec 06 07:54:19.901 INFO [stderr] 11 | use tokio::fs::file::{File};
Dec 06 07:54:19.901 INFO [stderr]    |                       ^^^^
Dec 06 07:54:19.901 INFO [stderr] 
Dec 06 07:54:19.901 INFO [stderr] warning: unused import: `tokio::fs::OpenOptions`
Dec 06 07:54:19.901 INFO [stderr]   --> src/scratch/mod.rs:12:5
Dec 06 07:54:19.901 INFO [stderr]    |
Dec 06 07:54:19.901 INFO [stderr] 12 | use tokio::fs::OpenOptions;
Dec 06 07:54:19.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:19.901 INFO [stderr] 
Dec 06 07:54:19.901 INFO [stderr] warning: unused imports: `Read`, `Write`
Dec 06 07:54:19.901 INFO [stderr]   --> src/scratch/mod.rs:16:15
Dec 06 07:54:19.901 INFO [stderr]    |
Dec 06 07:54:19.901 INFO [stderr] 16 | use std::io::{Write, Read};
Dec 06 07:54:19.901 INFO [stderr]    |               ^^^^^  ^^^^
Dec 06 07:54:19.901 INFO [stderr] 
Dec 06 07:54:19.901 INFO [stderr] warning: unused imports: `Arc`, `RwLock`
Dec 06 07:54:19.901 INFO [stderr]   --> src/scratch/mod.rs:18:17
Dec 06 07:54:19.901 INFO [stderr]    |
Dec 06 07:54:19.901 INFO [stderr] 18 | use std::sync::{RwLock, Arc};
Dec 06 07:54:19.901 INFO [stderr]    |                 ^^^^^^  ^^^
Dec 06 07:54:19.901 INFO [stderr] 
Dec 06 07:54:20.137 INFO [stderr] warning: unreachable statement
Dec 06 07:54:20.137 INFO [stderr]    --> src/main.rs:131:2
Dec 06 07:54:20.138 INFO [stderr]     |
Dec 06 07:54:20.138 INFO [stderr] 131 |     print!("Building Project... ");
Dec 06 07:54:20.138 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.138 INFO [stderr]     |
Dec 06 07:54:20.138 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 06 07:54:20.139 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 07:54:20.139 INFO [stderr] 
Dec 06 07:54:20.478 INFO [stderr] warning: unused import: `MapAccess`
Dec 06 07:54:20.478 INFO [stderr]  --> src/scratch/api/types/json.rs:2:17
Dec 06 07:54:20.478 INFO [stderr]   |
Dec 06 07:54:20.478 INFO [stderr] 2 | use serde::de::{MapAccess, SeqAccess, Visitor};
Dec 06 07:54:20.478 INFO [stderr]   |                 ^^^^^^^^^
Dec 06 07:54:20.478 INFO [stderr] 
Dec 06 07:54:20.529 INFO [stderr] warning: unused variable: `path`
Dec 06 07:54:20.529 INFO [stderr]    --> src/main.rs:105:8
Dec 06 07:54:20.529 INFO [stderr]     |
Dec 06 07:54:20.529 INFO [stderr] 105 |             let path = PathBuf::from(matches.value_of("path").expect("No path specified"));
Dec 06 07:54:20.529 INFO [stderr]     |                 ^^^^ help: consider using `_path` instead
Dec 06 07:54:20.529 INFO [stderr]     |
Dec 06 07:54:20.529 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 07:54:20.529 INFO [stderr] 
Dec 06 07:54:20.529 INFO [stderr] warning: unused variable: `matches`
Dec 06 07:54:20.529 INFO [stderr]    --> src/main.rs:107:21
Dec 06 07:54:20.530 INFO [stderr]     |
Dec 06 07:54:20.530 INFO [stderr] 107 |         ("old_main", Some(matches)) => {
Dec 06 07:54:20.530 INFO [stderr]     |                           ^^^^^^^ help: consider using `_matches` instead
Dec 06 07:54:20.530 INFO [stderr] 
Dec 06 07:54:20.530 INFO [stderr] warning: unused variable: `err`
Dec 06 07:54:20.530 INFO [stderr]   --> src/scratch/error.rs:30:13
Dec 06 07:54:20.530 INFO [stderr]    |
Dec 06 07:54:20.530 INFO [stderr] 30 |     fn from(err: ()) -> Error {
Dec 06 07:54:20.530 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 06 07:54:20.530 INFO [stderr] 
Dec 06 07:54:20.530 INFO [stderr] warning: value assigned to `asset_buf` is never read
Dec 06 07:54:20.530 INFO [stderr]   --> src/scratch/api/types/mod.rs:91:11
Dec 06 07:54:20.530 INFO [stderr]    |
Dec 06 07:54:20.530 INFO [stderr] 91 |         let mut asset_buf = Vec::new();
Dec 06 07:54:20.530 INFO [stderr]    |                 ^^^^^^^^^
Dec 06 07:54:20.530 INFO [stderr]    |
Dec 06 07:54:20.530 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 07:54:20.530 INFO [stderr] 
Dec 06 07:54:20.530 INFO [stderr] warning: unused variable: `project`
Dec 06 07:54:20.530 INFO [stderr]    --> src/scratch/api/targets.rs:186:22
Dec 06 07:54:20.530 INFO [stderr]     |
Dec 06 07:54:20.530 INFO [stderr] 186 |     fn build(&mut self, project: &mut Project, path: &PathBuf) -> TargetResult<()>{
Dec 06 07:54:20.530 INFO [stderr]     |                         ^^^^^^^ help: consider using `_project` instead
Dec 06 07:54:20.530 INFO [stderr] 
Dec 06 07:54:20.530 INFO [stderr] warning: unused variable: `path`
Dec 06 07:54:20.530 INFO [stderr]    --> src/scratch/api/targets.rs:186:45
Dec 06 07:54:20.530 INFO [stderr]     |
Dec 06 07:54:20.530 INFO [stderr] 186 |     fn build(&mut self, project: &mut Project, path: &PathBuf) -> TargetResult<()>{
Dec 06 07:54:20.530 INFO [stderr]     |                                                ^^^^ help: consider using `_path` instead
Dec 06 07:54:20.530 INFO [stderr] 
Dec 06 07:54:20.530 INFO [stderr] warning: unused variable: `command`
Dec 06 07:54:20.530 INFO [stderr]    --> src/scratch/api/targets.rs:191:11
Dec 06 07:54:20.530 INFO [stderr]     |
Dec 06 07:54:20.530 INFO [stderr] 191 |         let mut command = if cfg!(target_os = "windows"){
Dec 06 07:54:20.530 INFO [stderr]     |                 ^^^^^^^ help: consider using `_command` instead
Dec 06 07:54:20.530 INFO [stderr] 
Dec 06 07:54:20.530 INFO [stderr] warning: unused variable: `project`
Dec 06 07:54:20.530 INFO [stderr]    --> src/scratch/api/targets.rs:190:21
Dec 06 07:54:20.530 INFO [stderr]     |
Dec 06 07:54:20.530 INFO [stderr] 190 |     fn test(&mut self, project: &mut Project, path: &PathBuf) -> TargetResult<()>{
Dec 06 07:54:20.530 INFO [stderr]     |                        ^^^^^^^ help: consider using `_project` instead
Dec 06 07:54:20.530 INFO [stderr] 
Dec 06 07:54:20.531 INFO [stderr] warning: unused variable: `err`
Dec 06 07:54:20.531 INFO [stderr]   --> src/scratch/api/mod.rs:68:13
Dec 06 07:54:20.531 INFO [stderr]    |
Dec 06 07:54:20.531 INFO [stderr] 68 |     fn from(err: curl::Error) -> Self {
Dec 06 07:54:20.531 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 06 07:54:20.531 INFO [stderr] 
Dec 06 07:54:20.531 INFO [stderr] warning: unused variable: `err`
Dec 06 07:54:20.531 INFO [stderr]   --> src/scratch/api/mod.rs:74:13
Dec 06 07:54:20.531 INFO [stderr]    |
Dec 06 07:54:20.531 INFO [stderr] 74 |     fn from(err: std::string::FromUtf8Error) -> Self {
Dec 06 07:54:20.531 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 06 07:54:20.531 INFO [stderr] 
Dec 06 07:54:20.553 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:20.553 INFO [stderr]   --> src/main.rs:84:11
Dec 06 07:54:20.553 INFO [stderr]    |
Dec 06 07:54:20.553 INFO [stderr] 84 |                         let mut project = api.get_project(code).expect("Error getting project json");
Dec 06 07:54:20.553 INFO [stderr]    |                             ----^^^^^^^
Dec 06 07:54:20.553 INFO [stderr]    |                             |
Dec 06 07:54:20.553 INFO [stderr]    |                             help: remove this `mut`
Dec 06 07:54:20.553 INFO [stderr]    |
Dec 06 07:54:20.553 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 07:54:20.553 INFO [stderr] 
Dec 06 07:54:20.553 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:20.553 INFO [stderr]   --> src/main.rs:88:11
Dec 06 07:54:20.553 INFO [stderr]    |
Dec 06 07:54:20.553 INFO [stderr] 88 |                         let mut project = api.get_project_json(code).expect("Error getting project json");
Dec 06 07:54:20.553 INFO [stderr]    |                             ----^^^^^^^
Dec 06 07:54:20.553 INFO [stderr]    |                             |
Dec 06 07:54:20.553 INFO [stderr]    |                             help: remove this `mut`
Dec 06 07:54:20.553 INFO [stderr] 
Dec 06 07:54:20.553 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:20.553 INFO [stderr]    --> src/main.rs:100:9
Dec 06 07:54:20.553 INFO [stderr]     |
Dec 06 07:54:20.553 INFO [stderr] 100 |                 let mut project = api.get_stats(code).expect("Error getting project json");
Dec 06 07:54:20.553 INFO [stderr]     |                     ----^^^^^^^
Dec 06 07:54:20.553 INFO [stderr]     |                     |
Dec 06 07:54:20.553 INFO [stderr]     |                     help: remove this `mut`
Dec 06 07:54:20.553 INFO [stderr] 
Dec 06 07:54:20.638 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:20.638 INFO [stderr]   --> src/scratch/api/types/mod.rs:55:47
Dec 06 07:54:20.638 INFO [stderr]    |
Dec 06 07:54:20.638 INFO [stderr] 55 |     pub fn init(&mut self, api: &mut super::Api, mut path: PathBuf) -> ApiResult<()>{
Dec 06 07:54:20.638 INFO [stderr]    |                                                  ----^^^^
Dec 06 07:54:20.638 INFO [stderr]    |                                                  |
Dec 06 07:54:20.638 INFO [stderr]    |                                                  help: remove this `mut`
Dec 06 07:54:20.638 INFO [stderr] 
Dec 06 07:54:20.816 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:20.816 INFO [stderr]    --> src/scratch/api/targets.rs:191:7
Dec 06 07:54:20.816 INFO [stderr]     |
Dec 06 07:54:20.816 INFO [stderr] 191 |         let mut command = if cfg!(target_os = "windows"){
Dec 06 07:54:20.816 INFO [stderr]     |             ----^^^^^^^
Dec 06 07:54:20.816 INFO [stderr]     |             |
Dec 06 07:54:20.816 INFO [stderr]     |             help: remove this `mut`
Dec 06 07:54:20.816 INFO [stderr] 
Dec 06 07:54:20.822 INFO [stderr] warning: constant item is never used: `PISTON_TEMPLATE_FRAG_1`
Dec 06 07:54:20.822 INFO [stderr]  --> src/scratch/templates.rs:3:1
Dec 06 07:54:20.822 INFO [stderr]   |
Dec 06 07:54:20.822 INFO [stderr] 3 | / const PISTON_TEMPLATE_FRAG_1: &'static str = r#"
Dec 06 07:54:20.822 INFO [stderr] 4 | | extern crate scratch_ui;
Dec 06 07:54:20.822 INFO [stderr] 5 | | use scratch_ui::{App, Sprite};
Dec 06 07:54:20.822 INFO [stderr] 6 | |
Dec 06 07:54:20.822 INFO [stderr] 7 | | fn main() {
Dec 06 07:54:20.822 INFO [stderr] 8 | |     let mut app = scratch_ui::PistonApp::new();
Dec 06 07:54:20.822 INFO [stderr] 9 | |     app.init();"#;
Dec 06 07:54:20.822 INFO [stderr]   | |__________________^
Dec 06 07:54:20.822 INFO [stderr]   |
Dec 06 07:54:20.822 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 07:54:20.822 INFO [stderr] 
Dec 06 07:54:20.822 INFO [stderr] warning: constant item is never used: `PISTON_TEMPLATE_FRAG_2`
Dec 06 07:54:20.822 INFO [stderr]   --> src/scratch/templates.rs:11:1
Dec 06 07:54:20.822 INFO [stderr]    |
Dec 06 07:54:20.822 INFO [stderr] 11 | / const PISTON_TEMPLATE_FRAG_2: &'static str = r#"    
Dec 06 07:54:20.822 INFO [stderr] 12 | |     app.main_loop();
Dec 06 07:54:20.822 INFO [stderr] 13 | | }
Dec 06 07:54:20.822 INFO [stderr] 14 | | "#;
Dec 06 07:54:20.822 INFO [stderr]    | |___^
Dec 06 07:54:20.822 INFO [stderr] 
Dec 06 07:54:20.822 INFO [stderr] warning: function is never used: `get_piston_app`
Dec 06 07:54:20.822 INFO [stderr]   --> src/scratch/templates.rs:16:1
Dec 06 07:54:20.822 INFO [stderr]    |
Dec 06 07:54:20.822 INFO [stderr] 16 | pub fn get_piston_app(input: &str) -> String{
Dec 06 07:54:20.822 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.822 INFO [stderr] 
Dec 06 07:54:20.822 INFO [stderr] warning: function is never used: `get_sprite`
Dec 06 07:54:20.822 INFO [stderr]   --> src/scratch/templates.rs:20:1
Dec 06 07:54:20.822 INFO [stderr]    |
Dec 06 07:54:20.822 INFO [stderr] 20 | pub fn get_sprite(s: &SpriteJson) -> String{
Dec 06 07:54:20.822 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.822 INFO [stderr] 
Dec 06 07:54:20.822 INFO [stderr] warning: method is never used: `write_file`
Dec 06 07:54:20.822 INFO [stderr]   --> src/scratch/api/targets.rs:36:2
Dec 06 07:54:20.822 INFO [stderr]    |
Dec 06 07:54:20.822 INFO [stderr] 36 |     pub fn write_file(path: &PathBuf, data: &[u8]) -> Result<(), std::io::Error>{
Dec 06 07:54:20.822 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.822 INFO [stderr] 
Dec 06 07:54:20.822 INFO [stderr] warning: function is never used: `init_rust_project`
Dec 06 07:54:20.822 INFO [stderr]    --> src/scratch/mod.rs:164:1
Dec 06 07:54:20.822 INFO [stderr]     |
Dec 06 07:54:20.823 INFO [stderr] 164 | pub fn init_rust_project(path: PathBuf, project: &mut api::types::Project) -> impl Future<Item=(), Error=Error>{
Dec 06 07:54:20.823 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.823 INFO [stderr] 
Dec 06 07:54:20.823 INFO [stderr] warning: function is never used: `copy_dir`
Dec 06 07:54:20.823 INFO [stderr]    --> src/scratch/mod.rs:179:1
Dec 06 07:54:20.823 INFO [stderr]     |
Dec 06 07:54:20.823 INFO [stderr] 179 | pub fn copy_dir(src: PathBuf, mut dest: PathBuf) -> impl Future<Item=(), Error=Error>{
Dec 06 07:54:20.823 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.823 INFO [stderr] 
Dec 06 07:54:20.833 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:54:20.833 INFO [stderr]    --> src/scratch/api/types/mod.rs:139:3
Dec 06 07:54:20.833 INFO [stderr]     |
Dec 06 07:54:20.833 INFO [stderr] 139 |         target.build(self, &path);
Dec 06 07:54:20.833 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.833 INFO [stderr]     |
Dec 06 07:54:20.833 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 07:54:20.833 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:54:20.833 INFO [stderr] 
Dec 06 07:54:20.833 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:54:20.833 INFO [stderr]    --> src/scratch/api/types/mod.rs:148:3
Dec 06 07:54:20.833 INFO [stderr]     |
Dec 06 07:54:20.833 INFO [stderr] 148 |         target.test(self, &path);
Dec 06 07:54:20.833 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.834 INFO [stderr]     |
Dec 06 07:54:20.834 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:54:20.834 INFO [stderr] 
Dec 06 07:54:20.839 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:54:20.839 INFO [stderr]    --> src/main.rs:117:2
Dec 06 07:54:20.839 INFO [stderr]     |
Dec 06 07:54:20.839 INFO [stderr] 117 |     std::fs::remove_dir_all("projects/scratch_239742347/target/js");
Dec 06 07:54:20.839 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:20.839 INFO [stderr]     |
Dec 06 07:54:20.839 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:54:20.839 INFO [stderr] 
Dec 06 07:54:26.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.76s
Dec 06 07:54:27.000 INFO [stderr] su: No module specific data is present
Dec 06 07:54:27.963 INFO running `"docker" "inspect" "fd635de4e046a651dd9abb006d6e5a16320e717b5306f45f5e6c0f0f05db5511"`
Dec 06 07:54:28.412 INFO running `"docker" "rm" "-f" "fd635de4e046a651dd9abb006d6e5a16320e717b5306f45f5e6c0f0f05db5511"`
Dec 06 07:54:28.732 INFO [stdout] fd635de4e046a651dd9abb006d6e5a16320e717b5306f45f5e6c0f0f05db5511
Dec 06 07:54:28.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 07:54:29.250 INFO [stdout] 6ae4546841fccf015e0542a5252f2bcf1aad9d88ef0793b9b5623805f019438d
Dec 06 07:54:29.254 INFO running `"docker" "start" "-a" "6ae4546841fccf015e0542a5252f2bcf1aad9d88ef0793b9b5623805f019438d"`
Dec 06 07:54:31.196 INFO [stderr] usermod: no changes
Dec 06 07:54:31.560 INFO [stderr]    Compiling scratch-native v0.1.0 (/source)
Dec 06 07:54:35.976 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 07:54:35.976 INFO [stderr]  --> src/main.rs:4:1
Dec 06 07:54:35.976 INFO [stderr]   |
Dec 06 07:54:35.976 INFO [stderr] 4 | #[macro_use]
Dec 06 07:54:35.976 INFO [stderr]   | ^^^^^^^^^^^^
Dec 06 07:54:35.976 INFO [stderr]   |
Dec 06 07:54:35.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 07:54:35.976 INFO [stderr] 
Dec 06 07:54:35.976 INFO [stderr] warning: unused imports: `Future`, `self`
Dec 06 07:54:35.976 INFO [stderr]   --> src/main.rs:13:17
Dec 06 07:54:35.976 INFO [stderr]    |
Dec 06 07:54:35.976 INFO [stderr] 13 | use hyper::rt::{self, Future};
Dec 06 07:54:35.976 INFO [stderr]    |                 ^^^^  ^^^^^^
Dec 06 07:54:35.976 INFO [stderr] 
Dec 06 07:54:35.977 INFO [stderr] warning: unused imports: `Serialize`, `Serializer`
Dec 06 07:54:35.977 INFO [stderr]  --> src/scratch/api/types/json.rs:1:40
Dec 06 07:54:35.977 INFO [stderr]   |
Dec 06 07:54:35.977 INFO [stderr] 1 | use serde::{Deserializer, Deserialize, Serialize, Serializer};
Dec 06 07:54:35.977 INFO [stderr]   |                                        ^^^^^^^^^  ^^^^^^^^^^
Dec 06 07:54:35.977 INFO [stderr] 
Dec 06 07:54:35.977 INFO [stderr] warning: unused import: `std::marker::PhantomData`
Dec 06 07:54:35.977 INFO [stderr]  --> src/scratch/api/types/json.rs:7:5
Dec 06 07:54:35.977 INFO [stderr]   |
Dec 06 07:54:35.977 INFO [stderr] 7 | use std::marker::PhantomData;
Dec 06 07:54:35.977 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:35.977 INFO [stderr] 
Dec 06 07:54:35.984 INFO [stderr] warning: unused import: `File`
Dec 06 07:54:35.984 INFO [stderr]   --> src/scratch/mod.rs:11:23
Dec 06 07:54:35.984 INFO [stderr]    |
Dec 06 07:54:35.984 INFO [stderr] 11 | use tokio::fs::file::{File};
Dec 06 07:54:35.984 INFO [stderr]    |                       ^^^^
Dec 06 07:54:35.984 INFO [stderr] 
Dec 06 07:54:35.984 INFO [stderr] warning: unused import: `tokio::fs::OpenOptions`
Dec 06 07:54:35.984 INFO [stderr]   --> src/scratch/mod.rs:12:5
Dec 06 07:54:35.984 INFO [stderr]    |
Dec 06 07:54:35.984 INFO [stderr] 12 | use tokio::fs::OpenOptions;
Dec 06 07:54:35.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:35.984 INFO [stderr] 
Dec 06 07:54:35.984 INFO [stderr] warning: unused imports: `Read`, `Write`
Dec 06 07:54:35.984 INFO [stderr]   --> src/scratch/mod.rs:16:15
Dec 06 07:54:35.984 INFO [stderr]    |
Dec 06 07:54:35.984 INFO [stderr] 16 | use std::io::{Write, Read};
Dec 06 07:54:35.984 INFO [stderr]    |               ^^^^^  ^^^^
Dec 06 07:54:35.984 INFO [stderr] 
Dec 06 07:54:35.984 INFO [stderr] warning: unused imports: `Arc`, `RwLock`
Dec 06 07:54:35.984 INFO [stderr]   --> src/scratch/mod.rs:18:17
Dec 06 07:54:35.984 INFO [stderr]    |
Dec 06 07:54:35.984 INFO [stderr] 18 | use std::sync::{RwLock, Arc};
Dec 06 07:54:35.984 INFO [stderr]    |                 ^^^^^^  ^^^
Dec 06 07:54:35.984 INFO [stderr] 
Dec 06 07:54:36.256 INFO [stderr] warning: unreachable statement
Dec 06 07:54:36.256 INFO [stderr]    --> src/main.rs:131:2
Dec 06 07:54:36.256 INFO [stderr]     |
Dec 06 07:54:36.256 INFO [stderr] 131 |     print!("Building Project... ");
Dec 06 07:54:36.256 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.256 INFO [stderr]     |
Dec 06 07:54:36.256 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 06 07:54:36.256 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 06 07:54:36.256 INFO [stderr] 
Dec 06 07:54:36.620 INFO [stderr] warning: unused import: `MapAccess`
Dec 06 07:54:36.620 INFO [stderr]  --> src/scratch/api/types/json.rs:2:17
Dec 06 07:54:36.620 INFO [stderr]   |
Dec 06 07:54:36.620 INFO [stderr] 2 | use serde::de::{MapAccess, SeqAccess, Visitor};
Dec 06 07:54:36.620 INFO [stderr]   |                 ^^^^^^^^^
Dec 06 07:54:36.620 INFO [stderr] 
Dec 06 07:54:36.663 INFO [stderr] warning: unused variable: `path`
Dec 06 07:54:36.663 INFO [stderr]    --> src/main.rs:105:8
Dec 06 07:54:36.663 INFO [stderr]     |
Dec 06 07:54:36.663 INFO [stderr] 105 |             let path = PathBuf::from(matches.value_of("path").expect("No path specified"));
Dec 06 07:54:36.663 INFO [stderr]     |                 ^^^^ help: consider using `_path` instead
Dec 06 07:54:36.663 INFO [stderr]     |
Dec 06 07:54:36.663 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 06 07:54:36.663 INFO [stderr] 
Dec 06 07:54:36.663 INFO [stderr] warning: unused variable: `matches`
Dec 06 07:54:36.663 INFO [stderr]    --> src/main.rs:107:21
Dec 06 07:54:36.663 INFO [stderr]     |
Dec 06 07:54:36.663 INFO [stderr] 107 |         ("old_main", Some(matches)) => {
Dec 06 07:54:36.663 INFO [stderr]     |                           ^^^^^^^ help: consider using `_matches` instead
Dec 06 07:54:36.663 INFO [stderr] 
Dec 06 07:54:36.663 INFO [stderr] warning: unused variable: `err`
Dec 06 07:54:36.663 INFO [stderr]   --> src/scratch/error.rs:30:13
Dec 06 07:54:36.663 INFO [stderr]    |
Dec 06 07:54:36.663 INFO [stderr] 30 |     fn from(err: ()) -> Error {
Dec 06 07:54:36.663 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 06 07:54:36.663 INFO [stderr] 
Dec 06 07:54:36.663 INFO [stderr] warning: value assigned to `asset_buf` is never read
Dec 06 07:54:36.663 INFO [stderr]   --> src/scratch/api/types/mod.rs:91:11
Dec 06 07:54:36.663 INFO [stderr]    |
Dec 06 07:54:36.663 INFO [stderr] 91 |         let mut asset_buf = Vec::new();
Dec 06 07:54:36.663 INFO [stderr]    |                 ^^^^^^^^^
Dec 06 07:54:36.663 INFO [stderr]    |
Dec 06 07:54:36.663 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 07:54:36.663 INFO [stderr] 
Dec 06 07:54:36.668 INFO [stderr] warning: unused variable: `project`
Dec 06 07:54:36.668 INFO [stderr]    --> src/scratch/api/targets.rs:186:22
Dec 06 07:54:36.668 INFO [stderr]     |
Dec 06 07:54:36.668 INFO [stderr] 186 |     fn build(&mut self, project: &mut Project, path: &PathBuf) -> TargetResult<()>{
Dec 06 07:54:36.668 INFO [stderr]     |                         ^^^^^^^ help: consider using `_project` instead
Dec 06 07:54:36.668 INFO [stderr] 
Dec 06 07:54:36.668 INFO [stderr] warning: unused variable: `path`
Dec 06 07:54:36.668 INFO [stderr]    --> src/scratch/api/targets.rs:186:45
Dec 06 07:54:36.668 INFO [stderr]     |
Dec 06 07:54:36.668 INFO [stderr] 186 |     fn build(&mut self, project: &mut Project, path: &PathBuf) -> TargetResult<()>{
Dec 06 07:54:36.668 INFO [stderr]     |                                                ^^^^ help: consider using `_path` instead
Dec 06 07:54:36.668 INFO [stderr] 
Dec 06 07:54:36.668 INFO [stderr] warning: unused variable: `command`
Dec 06 07:54:36.668 INFO [stderr]    --> src/scratch/api/targets.rs:191:11
Dec 06 07:54:36.668 INFO [stderr]     |
Dec 06 07:54:36.668 INFO [stderr] 191 |         let mut command = if cfg!(target_os = "windows"){
Dec 06 07:54:36.668 INFO [stderr]     |                 ^^^^^^^ help: consider using `_command` instead
Dec 06 07:54:36.668 INFO [stderr] 
Dec 06 07:54:36.668 INFO [stderr] warning: unused variable: `project`
Dec 06 07:54:36.668 INFO [stderr]    --> src/scratch/api/targets.rs:190:21
Dec 06 07:54:36.668 INFO [stderr]     |
Dec 06 07:54:36.668 INFO [stderr] 190 |     fn test(&mut self, project: &mut Project, path: &PathBuf) -> TargetResult<()>{
Dec 06 07:54:36.668 INFO [stderr]     |                        ^^^^^^^ help: consider using `_project` instead
Dec 06 07:54:36.668 INFO [stderr] 
Dec 06 07:54:36.668 INFO [stderr] warning: unused variable: `err`
Dec 06 07:54:36.669 INFO [stderr]   --> src/scratch/api/mod.rs:68:13
Dec 06 07:54:36.669 INFO [stderr]    |
Dec 06 07:54:36.669 INFO [stderr] 68 |     fn from(err: curl::Error) -> Self {
Dec 06 07:54:36.669 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 06 07:54:36.669 INFO [stderr] 
Dec 06 07:54:36.669 INFO [stderr] warning: unused variable: `err`
Dec 06 07:54:36.669 INFO [stderr]   --> src/scratch/api/mod.rs:74:13
Dec 06 07:54:36.669 INFO [stderr]    |
Dec 06 07:54:36.669 INFO [stderr] 74 |     fn from(err: std::string::FromUtf8Error) -> Self {
Dec 06 07:54:36.669 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 06 07:54:36.669 INFO [stderr] 
Dec 06 07:54:36.684 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:36.684 INFO [stderr]   --> src/main.rs:84:11
Dec 06 07:54:36.684 INFO [stderr]    |
Dec 06 07:54:36.684 INFO [stderr] 84 |                         let mut project = api.get_project(code).expect("Error getting project json");
Dec 06 07:54:36.684 INFO [stderr]    |                             ----^^^^^^^
Dec 06 07:54:36.684 INFO [stderr]    |                             |
Dec 06 07:54:36.684 INFO [stderr]    |                             help: remove this `mut`
Dec 06 07:54:36.684 INFO [stderr]    |
Dec 06 07:54:36.684 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 07:54:36.684 INFO [stderr] 
Dec 06 07:54:36.684 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:36.684 INFO [stderr]   --> src/main.rs:88:11
Dec 06 07:54:36.684 INFO [stderr]    |
Dec 06 07:54:36.684 INFO [stderr] 88 |                         let mut project = api.get_project_json(code).expect("Error getting project json");
Dec 06 07:54:36.684 INFO [stderr]    |                             ----^^^^^^^
Dec 06 07:54:36.684 INFO [stderr]    |                             |
Dec 06 07:54:36.684 INFO [stderr]    |                             help: remove this `mut`
Dec 06 07:54:36.684 INFO [stderr] 
Dec 06 07:54:36.684 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:36.684 INFO [stderr]    --> src/main.rs:100:9
Dec 06 07:54:36.684 INFO [stderr]     |
Dec 06 07:54:36.684 INFO [stderr] 100 |                 let mut project = api.get_stats(code).expect("Error getting project json");
Dec 06 07:54:36.684 INFO [stderr]     |                     ----^^^^^^^
Dec 06 07:54:36.684 INFO [stderr]     |                     |
Dec 06 07:54:36.684 INFO [stderr]     |                     help: remove this `mut`
Dec 06 07:54:36.684 INFO [stderr] 
Dec 06 07:54:36.768 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:36.768 INFO [stderr]   --> src/scratch/api/types/mod.rs:55:47
Dec 06 07:54:36.768 INFO [stderr]    |
Dec 06 07:54:36.768 INFO [stderr] 55 |     pub fn init(&mut self, api: &mut super::Api, mut path: PathBuf) -> ApiResult<()>{
Dec 06 07:54:36.768 INFO [stderr]    |                                                  ----^^^^
Dec 06 07:54:36.768 INFO [stderr]    |                                                  |
Dec 06 07:54:36.768 INFO [stderr]    |                                                  help: remove this `mut`
Dec 06 07:54:36.768 INFO [stderr] 
Dec 06 07:54:36.939 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:54:36.939 INFO [stderr]    --> src/scratch/api/targets.rs:191:7
Dec 06 07:54:36.939 INFO [stderr]     |
Dec 06 07:54:36.939 INFO [stderr] 191 |         let mut command = if cfg!(target_os = "windows"){
Dec 06 07:54:36.939 INFO [stderr]     |             ----^^^^^^^
Dec 06 07:54:36.939 INFO [stderr]     |             |
Dec 06 07:54:36.939 INFO [stderr]     |             help: remove this `mut`
Dec 06 07:54:36.939 INFO [stderr] 
Dec 06 07:54:36.948 INFO [stderr] warning: constant item is never used: `PISTON_TEMPLATE_FRAG_1`
Dec 06 07:54:36.948 INFO [stderr]  --> src/scratch/templates.rs:3:1
Dec 06 07:54:36.948 INFO [stderr]   |
Dec 06 07:54:36.948 INFO [stderr] 3 | / const PISTON_TEMPLATE_FRAG_1: &'static str = r#"
Dec 06 07:54:36.948 INFO [stderr] 4 | | extern crate scratch_ui;
Dec 06 07:54:36.948 INFO [stderr] 5 | | use scratch_ui::{App, Sprite};
Dec 06 07:54:36.948 INFO [stderr] 6 | |
Dec 06 07:54:36.948 INFO [stderr] 7 | | fn main() {
Dec 06 07:54:36.948 INFO [stderr] 8 | |     let mut app = scratch_ui::PistonApp::new();
Dec 06 07:54:36.948 INFO [stderr] 9 | |     app.init();"#;
Dec 06 07:54:36.949 INFO [stderr]   | |__________________^
Dec 06 07:54:36.949 INFO [stderr]   |
Dec 06 07:54:36.949 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 07:54:36.949 INFO [stderr] 
Dec 06 07:54:36.949 INFO [stderr] warning: constant item is never used: `PISTON_TEMPLATE_FRAG_2`
Dec 06 07:54:36.949 INFO [stderr]   --> src/scratch/templates.rs:11:1
Dec 06 07:54:36.949 INFO [stderr]    |
Dec 06 07:54:36.949 INFO [stderr] 11 | / const PISTON_TEMPLATE_FRAG_2: &'static str = r#"    
Dec 06 07:54:36.949 INFO [stderr] 12 | |     app.main_loop();
Dec 06 07:54:36.949 INFO [stderr] 13 | | }
Dec 06 07:54:36.949 INFO [stderr] 14 | | "#;
Dec 06 07:54:36.949 INFO [stderr]    | |___^
Dec 06 07:54:36.949 INFO [stderr] 
Dec 06 07:54:36.949 INFO [stderr] warning: function is never used: `get_piston_app`
Dec 06 07:54:36.949 INFO [stderr]   --> src/scratch/templates.rs:16:1
Dec 06 07:54:36.949 INFO [stderr]    |
Dec 06 07:54:36.949 INFO [stderr] 16 | pub fn get_piston_app(input: &str) -> String{
Dec 06 07:54:36.949 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.949 INFO [stderr] 
Dec 06 07:54:36.949 INFO [stderr] warning: function is never used: `get_sprite`
Dec 06 07:54:36.949 INFO [stderr]   --> src/scratch/templates.rs:20:1
Dec 06 07:54:36.949 INFO [stderr]    |
Dec 06 07:54:36.949 INFO [stderr] 20 | pub fn get_sprite(s: &SpriteJson) -> String{
Dec 06 07:54:36.949 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.949 INFO [stderr] 
Dec 06 07:54:36.949 INFO [stderr] warning: method is never used: `write_file`
Dec 06 07:54:36.949 INFO [stderr]   --> src/scratch/api/targets.rs:36:2
Dec 06 07:54:36.949 INFO [stderr]    |
Dec 06 07:54:36.949 INFO [stderr] 36 |     pub fn write_file(path: &PathBuf, data: &[u8]) -> Result<(), std::io::Error>{
Dec 06 07:54:36.949 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.949 INFO [stderr] 
Dec 06 07:54:36.949 INFO [stderr] warning: function is never used: `init_rust_project`
Dec 06 07:54:36.949 INFO [stderr]    --> src/scratch/mod.rs:164:1
Dec 06 07:54:36.949 INFO [stderr]     |
Dec 06 07:54:36.949 INFO [stderr] 164 | pub fn init_rust_project(path: PathBuf, project: &mut api::types::Project) -> impl Future<Item=(), Error=Error>{
Dec 06 07:54:36.949 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.949 INFO [stderr] 
Dec 06 07:54:36.949 INFO [stderr] warning: function is never used: `copy_dir`
Dec 06 07:54:36.949 INFO [stderr]    --> src/scratch/mod.rs:179:1
Dec 06 07:54:36.949 INFO [stderr]     |
Dec 06 07:54:36.949 INFO [stderr] 179 | pub fn copy_dir(src: PathBuf, mut dest: PathBuf) -> impl Future<Item=(), Error=Error>{
Dec 06 07:54:36.949 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.949 INFO [stderr] 
Dec 06 07:54:36.960 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:54:36.960 INFO [stderr]    --> src/scratch/api/types/mod.rs:139:3
Dec 06 07:54:36.960 INFO [stderr]     |
Dec 06 07:54:36.960 INFO [stderr] 139 |         target.build(self, &path);
Dec 06 07:54:36.960 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.960 INFO [stderr]     |
Dec 06 07:54:36.960 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 07:54:36.960 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:54:36.960 INFO [stderr] 
Dec 06 07:54:36.960 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:54:36.960 INFO [stderr]    --> src/scratch/api/types/mod.rs:148:3
Dec 06 07:54:36.960 INFO [stderr]     |
Dec 06 07:54:36.960 INFO [stderr] 148 |         target.test(self, &path);
Dec 06 07:54:36.960 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.960 INFO [stderr]     |
Dec 06 07:54:36.960 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:54:36.960 INFO [stderr] 
Dec 06 07:54:36.960 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 07:54:36.960 INFO [stderr]    --> src/main.rs:117:2
Dec 06 07:54:36.960 INFO [stderr]     |
Dec 06 07:54:36.961 INFO [stderr] 117 |     std::fs::remove_dir_all("projects/scratch_239742347/target/js");
Dec 06 07:54:36.961 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:54:36.961 INFO [stderr]     |
Dec 06 07:54:36.961 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 07:54:36.961 INFO [stderr] 
Dec 06 07:54:37.508 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
Dec 06 07:54:37.528 INFO [stderr] su: No module specific data is present
Dec 06 07:54:38.459 INFO running `"docker" "inspect" "6ae4546841fccf015e0542a5252f2bcf1aad9d88ef0793b9b5623805f019438d"`
Dec 06 07:54:38.772 INFO running `"docker" "rm" "-f" "6ae4546841fccf015e0542a5252f2bcf1aad9d88ef0793b9b5623805f019438d"`
Dec 06 07:54:39.080 INFO [stdout] 6ae4546841fccf015e0542a5252f2bcf1aad9d88ef0793b9b5623805f019438d
Dec 06 07:54:39.082 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 07:54:39.633 INFO [stdout] 2f0622c7ea6f854c2cb432fd9239ba2f297e0843113c6b5fd36efeb8bc3efa17
Dec 06 07:54:39.636 INFO running `"docker" "start" "-a" "2f0622c7ea6f854c2cb432fd9239ba2f297e0843113c6b5fd36efeb8bc3efa17"`
Dec 06 07:54:41.310 INFO [stderr] usermod: no changes
Dec 06 07:54:41.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
Dec 06 07:54:41.612 INFO [stderr]      Running /target/debug/deps/scratch_native-2015078fe017aaef
Dec 06 07:54:41.618 INFO [stdout] 
Dec 06 07:54:41.618 INFO [stdout] running 0 tests
Dec 06 07:54:41.618 INFO [stdout] 
Dec 06 07:54:41.618 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:54:41.618 INFO [stdout] 
Dec 06 07:54:41.628 INFO [stderr] su: No module specific data is present
Dec 06 07:54:42.565 INFO running `"docker" "inspect" "2f0622c7ea6f854c2cb432fd9239ba2f297e0843113c6b5fd36efeb8bc3efa17"`
Dec 06 07:54:42.856 INFO running `"docker" "rm" "-f" "2f0622c7ea6f854c2cb432fd9239ba2f297e0843113c6b5fd36efeb8bc3efa17"`
Dec 06 07:54:43.211 INFO [stdout] 2f0622c7ea6f854c2cb432fd9239ba2f297e0843113c6b5fd36efeb8bc3efa17