Dec 12 00:55:36.455 INFO checking PhdTrollSlayer/trabalho-filas-pilhas against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:55:36.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 12 00:55:36.740 INFO [stdout] 8e5db1dc7e1b3df87731c199bd25097246da051776764d7d215426fe049e68bc
Dec 12 00:55:36.742 INFO running `"docker" "start" "-a" "8e5db1dc7e1b3df87731c199bd25097246da051776764d7d215426fe049e68bc"`
Dec 12 00:55:37.316 INFO [stderr] usermod: no changes
Dec 12 00:55:37.368 INFO [stderr]     Checking pilhas v0.1.0 (/source)
Dec 12 00:55:38.020 INFO [stderr] warning: unused import: `Stdio`
Dec 12 00:55:38.020 INFO [stderr]  --> src/main.rs:4:29
Dec 12 00:55:38.020 INFO [stderr]   |
Dec 12 00:55:38.020 INFO [stderr] 4 | use std::process::{Command, Stdio};
Dec 12 00:55:38.020 INFO [stderr]   |                             ^^^^^
Dec 12 00:55:38.020 INFO [stderr]   |
Dec 12 00:55:38.020 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:55:38.020 INFO [stderr] 
Dec 12 00:55:38.020 INFO [stderr] warning: unused import: `pilha::*`
Dec 12 00:55:38.021 INFO [stderr]  --> src/main.rs:7:5
Dec 12 00:55:38.021 INFO [stderr]   |
Dec 12 00:55:38.021 INFO [stderr] 7 | use pilha::*;
Dec 12 00:55:38.021 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:55:38.021 INFO [stderr] 
Dec 12 00:55:38.021 INFO [stderr] warning: unused import: `node::*`
Dec 12 00:55:38.021 INFO [stderr]  --> src/main.rs:8:5
Dec 12 00:55:38.021 INFO [stderr]   |
Dec 12 00:55:38.021 INFO [stderr] 8 | use node::*;
Dec 12 00:55:38.021 INFO [stderr]   |     ^^^^^^^
Dec 12 00:55:38.021 INFO [stderr] 
Dec 12 00:55:38.080 INFO [stderr] warning: unused variable: `loader`
Dec 12 00:55:38.080 INFO [stderr]   --> src/main.rs:55:25
Dec 12 00:55:38.080 INFO [stderr]    |
Dec 12 00:55:38.080 INFO [stderr] 55 |                     let loader = Command::new("sh")
Dec 12 00:55:38.080 INFO [stderr]    |                         ^^^^^^ help: consider using `_loader` instead
Dec 12 00:55:38.080 INFO [stderr]    |
Dec 12 00:55:38.080 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:55:38.080 INFO [stderr] 
Dec 12 00:55:38.091 INFO [stderr] warning: struct is never constructed: `Pilha`
Dec 12 00:55:38.091 INFO [stderr]  --> src/pilha.rs:5:1
Dec 12 00:55:38.091 INFO [stderr]   |
Dec 12 00:55:38.091 INFO [stderr] 5 | pub struct Pilha<T> {
Dec 12 00:55:38.091 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.091 INFO [stderr]   |
Dec 12 00:55:38.092 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 00:55:38.092 INFO [stderr] 
Dec 12 00:55:38.092 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:38.092 INFO [stderr]   --> src/pilha.rs:10:5
Dec 12 00:55:38.092 INFO [stderr]    |
Dec 12 00:55:38.092 INFO [stderr] 10 |     pub fn new() -> Pilha<T> {
Dec 12 00:55:38.092 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.092 INFO [stderr] 
Dec 12 00:55:38.092 INFO [stderr] warning: method is never used: `push`
Dec 12 00:55:38.092 INFO [stderr]   --> src/pilha.rs:16:5
Dec 12 00:55:38.092 INFO [stderr]    |
Dec 12 00:55:38.092 INFO [stderr] 16 |     pub fn push(&mut self, mut new_head: Box<Node<T>>) -> Option<&T>{
Dec 12 00:55:38.092 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.092 INFO [stderr] 
Dec 12 00:55:38.092 INFO [stderr] warning: method is never used: `pop`
Dec 12 00:55:38.092 INFO [stderr]   --> src/pilha.rs:30:5
Dec 12 00:55:38.092 INFO [stderr]    |
Dec 12 00:55:38.092 INFO [stderr] 30 |     pub fn pop(&mut self) {
Dec 12 00:55:38.092 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.092 INFO [stderr] 
Dec 12 00:55:38.092 INFO [stderr] warning: method is never used: `top`
Dec 12 00:55:38.092 INFO [stderr]   --> src/pilha.rs:35:5
Dec 12 00:55:38.092 INFO [stderr]    |
Dec 12 00:55:38.092 INFO [stderr] 35 |     pub fn top(&mut self) -> Option<&T>{
Dec 12 00:55:38.092 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.092 INFO [stderr] 
Dec 12 00:55:38.092 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:38.092 INFO [stderr]  --> src/node.rs:8:5
Dec 12 00:55:38.092 INFO [stderr]   |
Dec 12 00:55:38.092 INFO [stderr] 8 |     pub fn new(v: T) -> Node<T> {
Dec 12 00:55:38.092 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.092 INFO [stderr] 
Dec 12 00:55:38.092 INFO [stderr] warning: method is never used: `front`
Dec 12 00:55:38.092 INFO [stderr]   --> src/fila.rs:33:5
Dec 12 00:55:38.092 INFO [stderr]    |
Dec 12 00:55:38.092 INFO [stderr] 33 |     pub fn front(&mut self) -> &T {
Dec 12 00:55:38.092 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.092 INFO [stderr] 
Dec 12 00:55:38.273 INFO [stderr] warning: unused import: `Stdio`
Dec 12 00:55:38.273 INFO [stderr]  --> src/main.rs:4:29
Dec 12 00:55:38.273 INFO [stderr]   |
Dec 12 00:55:38.273 INFO [stderr] 4 | use std::process::{Command, Stdio};
Dec 12 00:55:38.273 INFO [stderr]   |                             ^^^^^
Dec 12 00:55:38.273 INFO [stderr]   |
Dec 12 00:55:38.273 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:55:38.273 INFO [stderr] 
Dec 12 00:55:38.273 INFO [stderr] warning: unused import: `pilha::*`
Dec 12 00:55:38.273 INFO [stderr]  --> src/main.rs:7:5
Dec 12 00:55:38.273 INFO [stderr]   |
Dec 12 00:55:38.273 INFO [stderr] 7 | use pilha::*;
Dec 12 00:55:38.273 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:55:38.273 INFO [stderr] 
Dec 12 00:55:38.273 INFO [stderr] warning: unused import: `node::*`
Dec 12 00:55:38.273 INFO [stderr]  --> src/main.rs:8:5
Dec 12 00:55:38.273 INFO [stderr]   |
Dec 12 00:55:38.273 INFO [stderr] 8 | use node::*;
Dec 12 00:55:38.273 INFO [stderr]   |     ^^^^^^^
Dec 12 00:55:38.273 INFO [stderr] 
Dec 12 00:55:38.367 INFO [stderr] warning: unused variable: `loader`
Dec 12 00:55:38.367 INFO [stderr]   --> src/main.rs:55:25
Dec 12 00:55:38.367 INFO [stderr]    |
Dec 12 00:55:38.367 INFO [stderr] 55 |                     let loader = Command::new("sh")
Dec 12 00:55:38.367 INFO [stderr]    |                         ^^^^^^ help: consider using `_loader` instead
Dec 12 00:55:38.367 INFO [stderr]    |
Dec 12 00:55:38.367 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:55:38.367 INFO [stderr] 
Dec 12 00:55:38.378 INFO [stderr] warning: struct is never constructed: `Pilha`
Dec 12 00:55:38.378 INFO [stderr]  --> src/pilha.rs:5:1
Dec 12 00:55:38.378 INFO [stderr]   |
Dec 12 00:55:38.379 INFO [stderr] 5 | pub struct Pilha<T> {
Dec 12 00:55:38.379 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.379 INFO [stderr]   |
Dec 12 00:55:38.379 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 00:55:38.379 INFO [stderr] 
Dec 12 00:55:38.379 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:38.379 INFO [stderr]   --> src/pilha.rs:10:5
Dec 12 00:55:38.379 INFO [stderr]    |
Dec 12 00:55:38.379 INFO [stderr] 10 |     pub fn new() -> Pilha<T> {
Dec 12 00:55:38.379 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.379 INFO [stderr] 
Dec 12 00:55:38.379 INFO [stderr] warning: method is never used: `push`
Dec 12 00:55:38.379 INFO [stderr]   --> src/pilha.rs:16:5
Dec 12 00:55:38.379 INFO [stderr]    |
Dec 12 00:55:38.379 INFO [stderr] 16 |     pub fn push(&mut self, mut new_head: Box<Node<T>>) -> Option<&T>{
Dec 12 00:55:38.379 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.379 INFO [stderr] 
Dec 12 00:55:38.379 INFO [stderr] warning: method is never used: `pop`
Dec 12 00:55:38.379 INFO [stderr]   --> src/pilha.rs:30:5
Dec 12 00:55:38.379 INFO [stderr]    |
Dec 12 00:55:38.379 INFO [stderr] 30 |     pub fn pop(&mut self) {
Dec 12 00:55:38.379 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.379 INFO [stderr] 
Dec 12 00:55:38.379 INFO [stderr] warning: method is never used: `top`
Dec 12 00:55:38.379 INFO [stderr]   --> src/pilha.rs:35:5
Dec 12 00:55:38.379 INFO [stderr]    |
Dec 12 00:55:38.379 INFO [stderr] 35 |     pub fn top(&mut self) -> Option<&T>{
Dec 12 00:55:38.379 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.379 INFO [stderr] 
Dec 12 00:55:38.379 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:38.379 INFO [stderr]  --> src/node.rs:8:5
Dec 12 00:55:38.379 INFO [stderr]   |
Dec 12 00:55:38.379 INFO [stderr] 8 |     pub fn new(v: T) -> Node<T> {
Dec 12 00:55:38.379 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.379 INFO [stderr] 
Dec 12 00:55:38.379 INFO [stderr] warning: method is never used: `front`
Dec 12 00:55:38.379 INFO [stderr]   --> src/fila.rs:33:5
Dec 12 00:55:38.379 INFO [stderr]    |
Dec 12 00:55:38.379 INFO [stderr] 33 |     pub fn front(&mut self) -> &T {
Dec 12 00:55:38.379 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:38.379 INFO [stderr] 
Dec 12 00:55:38.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 12 00:55:38.435 INFO [stderr] su: No module specific data is present
Dec 12 00:55:39.360 INFO running `"docker" "inspect" "8e5db1dc7e1b3df87731c199bd25097246da051776764d7d215426fe049e68bc"`
Dec 12 00:55:39.796 INFO running `"docker" "rm" "-f" "8e5db1dc7e1b3df87731c199bd25097246da051776764d7d215426fe049e68bc"`
Dec 12 00:55:40.212 INFO [stdout] 8e5db1dc7e1b3df87731c199bd25097246da051776764d7d215426fe049e68bc