[INFO] cloning repository https://github.com/rajatchauhan407/rustc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajatchauhan407/rustc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajatchauhan407%2Frustc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajatchauhan407%2Frustc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89a994dd917632fe32e25f8dba4ccb356fd1d4e5
[INFO] building rajatchauhan407/rustc against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajatchauhan407%2Frustc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rajatchauhan407/rustc on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rajatchauhan407/rustc
[INFO] finished tweaking git repo https://github.com/rajatchauhan407/rustc
[INFO] tweaked toml for git repo https://github.com/rajatchauhan407/rustc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rajatchauhan407/rustc 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: alias
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6bb48e1742d4be2ea8596bfb9589d03bab084d9cd5ea73c2cc10abb04f96640
[INFO] running `Command { std: "docker" "start" "-a" "f6bb48e1742d4be2ea8596bfb9589d03bab084d9cd5ea73c2cc10abb04f96640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6bb48e1742d4be2ea8596bfb9589d03bab084d9cd5ea73c2cc10abb04f96640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bb48e1742d4be2ea8596bfb9589d03bab084d9cd5ea73c2cc10abb04f96640", kill_on_drop: false }`
[INFO] [stdout] f6bb48e1742d4be2ea8596bfb9589d03bab084d9cd5ea73c2cc10abb04f96640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b59e329bb917baf9e6c0795e19f5ec6b958432713976722e1c1012838822e222
[INFO] running `Command { std: "docker" "start" "-a" "b59e329bb917baf9e6c0795e19f5ec6b958432713976722e1c1012838822e222", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: alias
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/basic/control.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 |         if(i>n){
[INFO] [stdout]    |           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -         if(i>n){
[INFO] [stdout] 29 +         if i>n {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::x86_64`
[INFO] [stdout]  --> src/basic/force_panic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::arch::x86_64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::str`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use basic::str;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::hashmp`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use basic::hashmp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::iflet`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use basic::iflet;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::err_hand`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use basic::err_hand;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/basic/control.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn loop_while(n:i32)->i32{
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]  --> src/basic/basic10.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn greet() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]  --> src/basic/basic10.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn calculate(a: i32, b: i32) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fac` is never used
[INFO] [stdout]   --> src/basic/basic10.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn fac(n: u32) -> u32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odd` is never used
[INFO] [stdout]   --> src/basic/basic10.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn even_odd(n: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arrs` is never used
[INFO] [stdout]  --> src/basic/tuple_array.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn arrs(n:usize)->i32{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_address` is never used
[INFO] [stdout]  --> src/basic/tuple_array.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn print_address(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pointer_arithematic` is never used
[INFO] [stdout]   --> src/basic/tuple_array.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn pointer_arithematic(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stack_heap_alloc` is never used
[INFO] [stdout]   --> src/basic/tuple_array.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn stack_heap_alloc(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input_output` is never used
[INFO] [stdout]  --> src/basic/input_output.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn input_output(){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_io` is never used
[INFO] [stdout]  --> src/basic/file_io.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn file_io(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_io_write` is never used
[INFO] [stdout]   --> src/basic/file_io.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn file_io_write(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_io_append` is never used
[INFO] [stdout]   --> src/basic/file_io.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn file_io_append() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]  --> src/basic/control.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn square(x:i32)->i32{
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_for` is never used
[INFO] [stdout]  --> src/basic/control.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn loop_for(n:i32)->i32{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_while` is never used
[INFO] [stdout]   --> src/basic/control.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn loop_while(n:i32)->i32{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_loop` is never used
[INFO] [stdout]   --> src/basic/control.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn loop_loop(n:i32)->i32{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_iterable` is never used
[INFO] [stdout]   --> src/basic/control.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn loop_iterable(arr:[i32;5])->i32{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contro_if` is never used
[INFO] [stdout]   --> src/basic/control.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn contro_if(x:i32){
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_calc_assign` is never used
[INFO] [stdout]   --> src/basic/control.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn factorial_calc_assign(n:i32)->i32{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_ownership` is never used
[INFO] [stdout]  --> src/basic/own_borrow.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn take_ownership(s: String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `borrow_ownership` is never used
[INFO] [stdout]  --> src/basic/own_borrow.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn borrow_ownership(s: &mut String)-> usize{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modufy_string` is never used
[INFO] [stdout]   --> src/basic/own_borrow.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn modufy_string(s: &mut String){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_slice` is never used
[INFO] [stdout]  --> src/basic/slice.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn string_slice(){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]   --> src/basic/slice.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn first_word(){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_middle` is never used
[INFO] [stdout]   --> src/basic/slice.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn array_middle(){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_counter` is never used
[INFO] [stdout]   --> src/basic/slice.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn word_counter(){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/basic/struc.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Rectangle {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/basic/struc.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Rectangle {
[INFO] [stdout]   | -------------- method in this implementation
[INFO] [stdout] 8 |     pub fn area(&self) -> u32 {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/basic/struc.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Circle{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Circle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `circumference` is never used
[INFO] [stdout]   --> src/basic/struc.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Circle{
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 20 |     pub fn circumference(&self)->f64{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TrafficLight` is never used
[INFO] [stdout]  --> src/basic/enum_sel.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum TrafficLight {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enum_1` is never used
[INFO] [stdout]  --> src/basic/enum_sel.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn enum_1(){
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `action` is never used
[INFO] [stdout]   --> src/basic/enum_sel.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn action(light: TrafficLight) -> &'static str{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_number` is never used
[INFO] [stdout]   --> src/basic/enum_sel.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn get_number(option:Option<i32>){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectors` is never used
[INFO] [stdout]  --> src/basic/vec.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn vectors(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectors_2` is never used
[INFO] [stdout]   --> src/basic/vec.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn vectors_2()->Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_stats` is never used
[INFO] [stdout]   --> src/basic/vec.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn calculate_stats(v: &Vec<i32>) -> (f32, i32, i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_manipulation` is never used
[INFO] [stdout]  --> src/basic/str.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn str_manipulation(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_slicing` is never used
[INFO] [stdout]   --> src/basic/str.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn str_slicing(){
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_replace` is never used
[INFO] [stdout]   --> src/basic/str.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn str_replace(){
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_reverse` is never used
[INFO] [stdout]   --> src/basic/str.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn str_reverse(){
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hashmap_init` is never used
[INFO] [stdout]  --> src/basic/hashmp.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn hashmap_init(){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `frequency_counter` is never used
[INFO] [stdout]   --> src/basic/hashmp.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn frequency_counter(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iflet_1` is never used
[INFO] [stdout]  --> src/basic/iflet.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn iflet_1(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_tuples` is never used
[INFO] [stdout]   --> src/basic/iflet.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn match_tuples(){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_guard` is never used
[INFO] [stdout]   --> src/basic/iflet.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn match_guard(){
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odd_input` is never used
[INFO] [stdout]   --> src/basic/iflet.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn even_odd_input(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_divide` is never used
[INFO] [stdout]  --> src/basic/err_hand.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn safe_divide(a:f64, b:f64) -> Result<f64, String>{
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]   --> src/basic/err_hand.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn calculate(a:f64,b:f64, c:f64)->Result<f64,String>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `result_err_hand` is never used
[INFO] [stdout]   --> src/basic/err_hand.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn result_err_hand(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_contents` is never used
[INFO] [stdout]   --> src/basic/err_hand.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn read_file_contents(filename:&str)-> Result<String,io::Error>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_file` is never used
[INFO] [stdout]   --> src/basic/err_hand.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn handle_file(){
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_safely` is never used
[INFO] [stdout]   --> src/basic/err_hand.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn read_file_safely(filename:&str)-> Result<String,io::Error>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_reader` is never used
[INFO] [stdout]   --> src/basic/err_hand.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn safe_reader() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_positive` is never used
[INFO] [stdout]  --> src/basic/force_panic.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn check_positive(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/basic/force_panic.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     InvalidInput(String),
[INFO] [stdout]    |     ------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     InvalidInput(String),
[INFO] [stdout] 13 +     InvalidInput(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/basic/force_panic.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CalculationError(String),
[INFO] [stdout]    |     ---------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     CalculationError(String),
[INFO] [stdout] 14 +     CalculationError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NotFound` is never constructed
[INFO] [stdout]   --> src/basic/force_panic.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum MyError {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     NotFound(String)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `example_panic` is never used
[INFO] [stdout]   --> src/basic/force_panic.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn example_panic(input:i32)->Result<(),MyError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b59e329bb917baf9e6c0795e19f5ec6b958432713976722e1c1012838822e222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59e329bb917baf9e6c0795e19f5ec6b958432713976722e1c1012838822e222", kill_on_drop: false }`
[INFO] [stdout] b59e329bb917baf9e6c0795e19f5ec6b958432713976722e1c1012838822e222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8d5118a312483b0f467b327d5ee0f370ee071f2c6a6bb00833e0e6a023b53ae
[INFO] running `Command { std: "docker" "start" "-a" "c8d5118a312483b0f467b327d5ee0f370ee071f2c6a6bb00833e0e6a023b53ae", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: alias
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/basic/control.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 |         if(i>n){
[INFO] [stdout]    |           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -         if(i>n){
[INFO] [stdout] 29 +         if i>n {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::x86_64`
[INFO] [stdout]  --> src/basic/force_panic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::arch::x86_64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::str`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use basic::str;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::hashmp`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use basic::hashmp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::iflet`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use basic::iflet;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `basic::err_hand`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use basic::err_hand;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/basic/control.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn loop_while(n:i32)->i32{
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_world` (bin "hello_world" test); 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/44f415c1d617ebc7b931a243b7b321ef8a6ca47c/bin/rustc --crate-name hello_world --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1070c4a5d7c1deae -C extra-filename=-c438c34b325c2c55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c8d5118a312483b0f467b327d5ee0f370ee071f2c6a6bb00833e0e6a023b53ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d5118a312483b0f467b327d5ee0f370ee071f2c6a6bb00833e0e6a023b53ae", kill_on_drop: false }`
[INFO] [stdout] c8d5118a312483b0f467b327d5ee0f370ee071f2c6a6bb00833e0e6a023b53ae