Dec 19 22:24:41.526 INFO checking PhdTrollSlayer/trabalho-filas-pilhas against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:24:41.526 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/PhdTrollSlayer/trabalho-filas-pilhas:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:24:41.904 INFO [stdout] afff5b83346d6a82b1e474c2e8b8fe24cd75b5aef3accc62c058686207620ed9
Dec 19 22:24:41.906 INFO running `"docker" "start" "-a" "afff5b83346d6a82b1e474c2e8b8fe24cd75b5aef3accc62c058686207620ed9"`
Dec 19 22:24:43.261 INFO [stderr]     Checking pilhas v0.1.0 (/opt/crater/workdir)
Dec 19 22:24:43.724 INFO [stderr] warning: unused import: `Stdio`
Dec 19 22:24:43.724 INFO [stderr]  --> src/main.rs:4:29
Dec 19 22:24:43.724 INFO [stderr]   |
Dec 19 22:24:43.724 INFO [stderr] 4 | use std::process::{Command, Stdio};
Dec 19 22:24:43.724 INFO [stderr]   |                             ^^^^^
Dec 19 22:24:43.724 INFO [stderr]   |
Dec 19 22:24:43.724 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:24:43.724 INFO [stderr] 
Dec 19 22:24:43.725 INFO [stderr] warning: unused import: `pilha::*`
Dec 19 22:24:43.725 INFO [stderr]  --> src/main.rs:7:5
Dec 19 22:24:43.725 INFO [stderr]   |
Dec 19 22:24:43.725 INFO [stderr] 7 | use pilha::*;
Dec 19 22:24:43.725 INFO [stderr]   |     ^^^^^^^^
Dec 19 22:24:43.725 INFO [stderr] 
Dec 19 22:24:43.725 INFO [stderr] warning: unused import: `node::*`
Dec 19 22:24:43.725 INFO [stderr]  --> src/main.rs:8:5
Dec 19 22:24:43.725 INFO [stderr]   |
Dec 19 22:24:43.725 INFO [stderr] 8 | use node::*;
Dec 19 22:24:43.725 INFO [stderr]   |     ^^^^^^^
Dec 19 22:24:43.725 INFO [stderr] 
Dec 19 22:24:43.772 INFO [stderr] warning: unused import: `Stdio`
Dec 19 22:24:43.773 INFO [stderr]  --> src/main.rs:4:29
Dec 19 22:24:43.773 INFO [stderr]   |
Dec 19 22:24:43.773 INFO [stderr] 4 | use std::process::{Command, Stdio};
Dec 19 22:24:43.773 INFO [stderr]   |                             ^^^^^
Dec 19 22:24:43.773 INFO [stderr]   |
Dec 19 22:24:43.773 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:24:43.773 INFO [stderr] 
Dec 19 22:24:43.773 INFO [stderr] warning: unused import: `pilha::*`
Dec 19 22:24:43.773 INFO [stderr]  --> src/main.rs:7:5
Dec 19 22:24:43.773 INFO [stderr]   |
Dec 19 22:24:43.773 INFO [stderr] 7 | use pilha::*;
Dec 19 22:24:43.773 INFO [stderr]   |     ^^^^^^^^
Dec 19 22:24:43.773 INFO [stderr] 
Dec 19 22:24:43.773 INFO [stderr] warning: unused import: `node::*`
Dec 19 22:24:43.773 INFO [stderr]  --> src/main.rs:8:5
Dec 19 22:24:43.773 INFO [stderr]   |
Dec 19 22:24:43.773 INFO [stderr] 8 | use node::*;
Dec 19 22:24:43.773 INFO [stderr]   |     ^^^^^^^
Dec 19 22:24:43.773 INFO [stderr] 
Dec 19 22:24:43.894 INFO [stderr] warning: unused variable: `loader`
Dec 19 22:24:43.894 INFO [stderr]   --> src/main.rs:55:25
Dec 19 22:24:43.894 INFO [stderr]    |
Dec 19 22:24:43.895 INFO [stderr] 55 |                     let loader = Command::new("sh")
Dec 19 22:24:43.895 INFO [stderr]    |                         ^^^^^^ help: consider using `_loader` instead
Dec 19 22:24:43.895 INFO [stderr]    |
Dec 19 22:24:43.896 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:24:43.896 INFO [stderr] 
Dec 19 22:24:43.917 INFO [stderr] warning: unused variable: `loader`
Dec 19 22:24:43.918 INFO [stderr] warning: struct is never constructed: `Pilha`
Dec 19 22:24:43.918 INFO [stderr]   --> src/main.rs:55:25
Dec 19 22:24:43.918 INFO [stderr]  --> src/pilha.rs:5:1
Dec 19 22:24:43.918 INFO [stderr]    |
Dec 19 22:24:43.919 INFO [stderr]   |
Dec 19 22:24:43.919 INFO [stderr] 55 |                     let loader = Command::new("sh")
Dec 19 22:24:43.919 INFO [stderr] 5 | pub struct Pilha<T> {
Dec 19 22:24:43.919 INFO [stderr]    |                         ^^^^^^ help: consider using `_loader` instead
Dec 19 22:24:43.919 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.919 INFO [stderr]    |
Dec 19 22:24:43.919 INFO [stderr]   |
Dec 19 22:24:43.919 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:24:43.919 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 22:24:43.919 INFO [stderr] 
Dec 19 22:24:43.919 INFO [stderr] 
Dec 19 22:24:43.919 INFO [stderr] warning: method is never used: `new`
Dec 19 22:24:43.919 INFO [stderr]   --> src/pilha.rs:10:5
Dec 19 22:24:43.919 INFO [stderr]    |
Dec 19 22:24:43.919 INFO [stderr] 10 |     pub fn new() -> Pilha<T> {
Dec 19 22:24:43.919 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.919 INFO [stderr] 
Dec 19 22:24:43.919 INFO [stderr] warning: method is never used: `push`
Dec 19 22:24:43.919 INFO [stderr]   --> src/pilha.rs:16:5
Dec 19 22:24:43.919 INFO [stderr]    |
Dec 19 22:24:43.919 INFO [stderr] 16 |     pub fn push(&mut self, mut new_head: Box<Node<T>>) -> Option<&T>{
Dec 19 22:24:43.919 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.919 INFO [stderr] 
Dec 19 22:24:43.919 INFO [stderr] warning: method is never used: `pop`
Dec 19 22:24:43.919 INFO [stderr]   --> src/pilha.rs:30:5
Dec 19 22:24:43.919 INFO [stderr]    |
Dec 19 22:24:43.919 INFO [stderr] 30 |     pub fn pop(&mut self) {
Dec 19 22:24:43.919 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.919 INFO [stderr] 
Dec 19 22:24:43.919 INFO [stderr] warning: method is never used: `top`
Dec 19 22:24:43.919 INFO [stderr]   --> src/pilha.rs:35:5
Dec 19 22:24:43.920 INFO [stderr]    |
Dec 19 22:24:43.920 INFO [stderr] 35 |     pub fn top(&mut self) -> Option<&T>{
Dec 19 22:24:43.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.920 INFO [stderr] 
Dec 19 22:24:43.920 INFO [stderr] warning: method is never used: `new`
Dec 19 22:24:43.920 INFO [stderr]  --> src/node.rs:8:5
Dec 19 22:24:43.920 INFO [stderr]   |
Dec 19 22:24:43.920 INFO [stderr] 8 |     pub fn new(v: T) -> Node<T> {
Dec 19 22:24:43.920 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.920 INFO [stderr] 
Dec 19 22:24:43.920 INFO [stderr] warning: method is never used: `front`
Dec 19 22:24:43.920 INFO [stderr]   --> src/fila.rs:33:5
Dec 19 22:24:43.920 INFO [stderr]    |
Dec 19 22:24:43.920 INFO [stderr] 33 |     pub fn front(&mut self) -> &T {
Dec 19 22:24:43.920 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.920 INFO [stderr] 
Dec 19 22:24:43.974 INFO [stderr] warning: struct is never constructed: `Pilha`
Dec 19 22:24:43.974 INFO [stderr]  --> src/pilha.rs:5:1
Dec 19 22:24:43.974 INFO [stderr]   |
Dec 19 22:24:43.974 INFO [stderr] 5 | pub struct Pilha<T> {
Dec 19 22:24:43.974 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.974 INFO [stderr]   |
Dec 19 22:24:43.974 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 22:24:43.974 INFO [stderr] 
Dec 19 22:24:43.974 INFO [stderr] warning: method is never used: `new`
Dec 19 22:24:43.974 INFO [stderr]   --> src/pilha.rs:10:5
Dec 19 22:24:43.974 INFO [stderr]    |
Dec 19 22:24:43.974 INFO [stderr] 10 |     pub fn new() -> Pilha<T> {
Dec 19 22:24:43.974 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.974 INFO [stderr] 
Dec 19 22:24:43.974 INFO [stderr] warning: method is never used: `push`
Dec 19 22:24:43.974 INFO [stderr]   --> src/pilha.rs:16:5
Dec 19 22:24:43.974 INFO [stderr]    |
Dec 19 22:24:43.974 INFO [stderr] 16 |     pub fn push(&mut self, mut new_head: Box<Node<T>>) -> Option<&T>{
Dec 19 22:24:43.974 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.974 INFO [stderr] 
Dec 19 22:24:43.974 INFO [stderr] warning: method is never used: `pop`
Dec 19 22:24:43.974 INFO [stderr]   --> src/pilha.rs:30:5
Dec 19 22:24:43.974 INFO [stderr]    |
Dec 19 22:24:43.974 INFO [stderr] 30 |     pub fn pop(&mut self) {
Dec 19 22:24:43.974 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.974 INFO [stderr] 
Dec 19 22:24:43.974 INFO [stderr] warning: method is never used: `top`
Dec 19 22:24:43.974 INFO [stderr]   --> src/pilha.rs:35:5
Dec 19 22:24:43.974 INFO [stderr]    |
Dec 19 22:24:43.974 INFO [stderr] 35 |     pub fn top(&mut self) -> Option<&T>{
Dec 19 22:24:43.974 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.974 INFO [stderr] 
Dec 19 22:24:43.974 INFO [stderr] warning: method is never used: `new`
Dec 19 22:24:43.974 INFO [stderr]  --> src/node.rs:8:5
Dec 19 22:24:43.974 INFO [stderr]   |
Dec 19 22:24:43.974 INFO [stderr] 8 |     pub fn new(v: T) -> Node<T> {
Dec 19 22:24:43.974 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.974 INFO [stderr] 
Dec 19 22:24:43.984 INFO [stderr] warning: method is never used: `front`
Dec 19 22:24:43.986 INFO [stderr]   --> src/fila.rs:33:5
Dec 19 22:24:43.986 INFO [stderr]    |
Dec 19 22:24:43.986 INFO [stderr] 33 |     pub fn front(&mut self) -> &T {
Dec 19 22:24:43.986 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:24:43.986 INFO [stderr] 
Dec 19 22:24:44.049 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 19 22:24:45.189 INFO running `"docker" "inspect" "afff5b83346d6a82b1e474c2e8b8fe24cd75b5aef3accc62c058686207620ed9"`
Dec 19 22:24:45.424 INFO running `"docker" "rm" "-f" "afff5b83346d6a82b1e474c2e8b8fe24cd75b5aef3accc62c058686207620ed9"`
Dec 19 22:24:45.756 INFO [stdout] afff5b83346d6a82b1e474c2e8b8fe24cd75b5aef3accc62c058686207620ed9