Dec 12 00:55:31.784 INFO checking PhdTrollSlayer/trabalho-filas-pilhas against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:55:31.784 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 00:55:32.274 INFO [stdout] 11d73ca96e86de5e6f5fb568b4bf6af3b4669e967abf02a626b7dacbb88ee753
Dec 12 00:55:32.276 INFO running `"docker" "start" "-a" "11d73ca96e86de5e6f5fb568b4bf6af3b4669e967abf02a626b7dacbb88ee753"`
Dec 12 00:55:33.821 INFO [stderr] usermod: no changes
Dec 12 00:55:33.892 INFO [stderr]     Checking pilhas v0.1.0 (/source)
Dec 12 00:55:34.668 INFO [stderr] warning: unused import: `Stdio`
Dec 12 00:55:34.668 INFO [stderr]  --> src/main.rs:4:29
Dec 12 00:55:34.668 INFO [stderr]   |
Dec 12 00:55:34.668 INFO [stderr] 4 | use std::process::{Command, Stdio};
Dec 12 00:55:34.668 INFO [stderr]   |                             ^^^^^
Dec 12 00:55:34.668 INFO [stderr]   |
Dec 12 00:55:34.668 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:55:34.668 INFO [stderr] 
Dec 12 00:55:34.668 INFO [stderr] warning: unused import: `pilha::*`
Dec 12 00:55:34.668 INFO [stderr]  --> src/main.rs:7:5
Dec 12 00:55:34.668 INFO [stderr]   |
Dec 12 00:55:34.668 INFO [stderr] 7 | use pilha::*;
Dec 12 00:55:34.669 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:55:34.669 INFO [stderr] 
Dec 12 00:55:34.669 INFO [stderr] warning: unused import: `node::*`
Dec 12 00:55:34.669 INFO [stderr]  --> src/main.rs:8:5
Dec 12 00:55:34.669 INFO [stderr]   |
Dec 12 00:55:34.669 INFO [stderr] 8 | use node::*;
Dec 12 00:55:34.669 INFO [stderr]   |     ^^^^^^^
Dec 12 00:55:34.669 INFO [stderr] 
Dec 12 00:55:34.786 INFO [stderr] warning: unused variable: `loader`
Dec 12 00:55:34.786 INFO [stderr]   --> src/main.rs:55:25
Dec 12 00:55:34.786 INFO [stderr]    |
Dec 12 00:55:34.787 INFO [stderr] 55 |                     let loader = Command::new("sh")
Dec 12 00:55:34.787 INFO [stderr]    |                         ^^^^^^ help: consider using `_loader` instead
Dec 12 00:55:34.787 INFO [stderr]    |
Dec 12 00:55:34.788 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:55:34.788 INFO [stderr] 
Dec 12 00:55:34.808 INFO [stderr] warning: struct is never constructed: `Pilha`
Dec 12 00:55:34.809 INFO [stderr]  --> src/pilha.rs:5:1
Dec 12 00:55:34.809 INFO [stderr]   |
Dec 12 00:55:34.809 INFO [stderr] 5 | pub struct Pilha<T> {
Dec 12 00:55:34.809 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.810 INFO [stderr]   |
Dec 12 00:55:34.810 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 00:55:34.810 INFO [stderr] 
Dec 12 00:55:34.811 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:34.811 INFO [stderr]   --> src/pilha.rs:10:5
Dec 12 00:55:34.811 INFO [stderr]    |
Dec 12 00:55:34.811 INFO [stderr] 10 |     pub fn new() -> Pilha<T> {
Dec 12 00:55:34.812 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.812 INFO [stderr] 
Dec 12 00:55:34.812 INFO [stderr] warning: method is never used: `push`
Dec 12 00:55:34.813 INFO [stderr]   --> src/pilha.rs:16:5
Dec 12 00:55:34.813 INFO [stderr]    |
Dec 12 00:55:34.813 INFO [stderr] 16 |     pub fn push(&mut self, mut new_head: Box<Node<T>>) -> Option<&T>{
Dec 12 00:55:34.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.814 INFO [stderr] 
Dec 12 00:55:34.814 INFO [stderr] warning: method is never used: `pop`
Dec 12 00:55:34.814 INFO [stderr]   --> src/pilha.rs:30:5
Dec 12 00:55:34.815 INFO [stderr]    |
Dec 12 00:55:34.815 INFO [stderr] 30 |     pub fn pop(&mut self) {
Dec 12 00:55:34.815 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.815 INFO [stderr] 
Dec 12 00:55:34.816 INFO [stderr] warning: method is never used: `top`
Dec 12 00:55:34.816 INFO [stderr]   --> src/pilha.rs:35:5
Dec 12 00:55:34.816 INFO [stderr]    |
Dec 12 00:55:34.816 INFO [stderr] 35 |     pub fn top(&mut self) -> Option<&T>{
Dec 12 00:55:34.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.817 INFO [stderr] 
Dec 12 00:55:34.817 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:34.818 INFO [stderr]  --> src/node.rs:8:5
Dec 12 00:55:34.818 INFO [stderr]   |
Dec 12 00:55:34.818 INFO [stderr] 8 |     pub fn new(v: T) -> Node<T> {
Dec 12 00:55:34.818 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.819 INFO [stderr] 
Dec 12 00:55:34.819 INFO [stderr] warning: method is never used: `front`
Dec 12 00:55:34.819 INFO [stderr]   --> src/fila.rs:33:5
Dec 12 00:55:34.819 INFO [stderr]    |
Dec 12 00:55:34.820 INFO [stderr] 33 |     pub fn front(&mut self) -> &T {
Dec 12 00:55:34.820 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.820 INFO [stderr] 
Dec 12 00:55:34.912 INFO [stderr] warning: unused import: `Stdio`
Dec 12 00:55:34.913 INFO [stderr]  --> src/main.rs:4:29
Dec 12 00:55:34.913 INFO [stderr]   |
Dec 12 00:55:34.913 INFO [stderr] 4 | use std::process::{Command, Stdio};
Dec 12 00:55:34.913 INFO [stderr]   |                             ^^^^^
Dec 12 00:55:34.914 INFO [stderr]   |
Dec 12 00:55:34.914 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 00:55:34.914 INFO [stderr] 
Dec 12 00:55:34.914 INFO [stderr] warning: unused import: `pilha::*`
Dec 12 00:55:34.915 INFO [stderr]  --> src/main.rs:7:5
Dec 12 00:55:34.915 INFO [stderr]   |
Dec 12 00:55:34.915 INFO [stderr] 7 | use pilha::*;
Dec 12 00:55:34.915 INFO [stderr]   |     ^^^^^^^^
Dec 12 00:55:34.915 INFO [stderr] 
Dec 12 00:55:34.915 INFO [stderr] warning: unused import: `node::*`
Dec 12 00:55:34.915 INFO [stderr]  --> src/main.rs:8:5
Dec 12 00:55:34.916 INFO [stderr]   |
Dec 12 00:55:34.916 INFO [stderr] 8 | use node::*;
Dec 12 00:55:34.916 INFO [stderr]   |     ^^^^^^^
Dec 12 00:55:34.916 INFO [stderr] 
Dec 12 00:55:34.986 INFO [stderr] warning: unused variable: `loader`
Dec 12 00:55:34.986 INFO [stderr]   --> src/main.rs:55:25
Dec 12 00:55:34.986 INFO [stderr]    |
Dec 12 00:55:34.986 INFO [stderr] 55 |                     let loader = Command::new("sh")
Dec 12 00:55:34.986 INFO [stderr]    |                         ^^^^^^ help: consider using `_loader` instead
Dec 12 00:55:34.986 INFO [stderr]    |
Dec 12 00:55:34.986 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:55:34.986 INFO [stderr] 
Dec 12 00:55:34.998 INFO [stderr] warning: struct is never constructed: `Pilha`
Dec 12 00:55:34.998 INFO [stderr]  --> src/pilha.rs:5:1
Dec 12 00:55:34.998 INFO [stderr]   |
Dec 12 00:55:34.998 INFO [stderr] 5 | pub struct Pilha<T> {
Dec 12 00:55:34.998 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.998 INFO [stderr]   |
Dec 12 00:55:34.998 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 00:55:34.999 INFO [stderr] 
Dec 12 00:55:34.999 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:34.999 INFO [stderr]   --> src/pilha.rs:10:5
Dec 12 00:55:34.999 INFO [stderr]    |
Dec 12 00:55:34.999 INFO [stderr] 10 |     pub fn new() -> Pilha<T> {
Dec 12 00:55:34.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.999 INFO [stderr] 
Dec 12 00:55:34.999 INFO [stderr] warning: method is never used: `push`
Dec 12 00:55:34.999 INFO [stderr]   --> src/pilha.rs:16:5
Dec 12 00:55:34.999 INFO [stderr]    |
Dec 12 00:55:34.999 INFO [stderr] 16 |     pub fn push(&mut self, mut new_head: Box<Node<T>>) -> Option<&T>{
Dec 12 00:55:34.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.999 INFO [stderr] 
Dec 12 00:55:34.999 INFO [stderr] warning: method is never used: `pop`
Dec 12 00:55:34.999 INFO [stderr]   --> src/pilha.rs:30:5
Dec 12 00:55:34.999 INFO [stderr]    |
Dec 12 00:55:34.999 INFO [stderr] 30 |     pub fn pop(&mut self) {
Dec 12 00:55:34.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.999 INFO [stderr] 
Dec 12 00:55:34.999 INFO [stderr] warning: method is never used: `top`
Dec 12 00:55:34.999 INFO [stderr]   --> src/pilha.rs:35:5
Dec 12 00:55:34.999 INFO [stderr]    |
Dec 12 00:55:34.999 INFO [stderr] 35 |     pub fn top(&mut self) -> Option<&T>{
Dec 12 00:55:34.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.999 INFO [stderr] 
Dec 12 00:55:34.999 INFO [stderr] warning: method is never used: `new`
Dec 12 00:55:34.999 INFO [stderr]  --> src/node.rs:8:5
Dec 12 00:55:34.999 INFO [stderr]   |
Dec 12 00:55:34.999 INFO [stderr] 8 |     pub fn new(v: T) -> Node<T> {
Dec 12 00:55:34.999 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.999 INFO [stderr] 
Dec 12 00:55:34.999 INFO [stderr] warning: method is never used: `front`
Dec 12 00:55:34.999 INFO [stderr]   --> src/fila.rs:33:5
Dec 12 00:55:34.999 INFO [stderr]    |
Dec 12 00:55:34.999 INFO [stderr] 33 |     pub fn front(&mut self) -> &T {
Dec 12 00:55:34.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:55:34.999 INFO [stderr] 
Dec 12 00:55:35.045 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 12 00:55:35.047 INFO [stderr] su: No module specific data is present
Dec 12 00:55:35.851 INFO running `"docker" "inspect" "11d73ca96e86de5e6f5fb568b4bf6af3b4669e967abf02a626b7dacbb88ee753"`
Dec 12 00:55:36.050 INFO running `"docker" "rm" "-f" "11d73ca96e86de5e6f5fb568b4bf6af3b4669e967abf02a626b7dacbb88ee753"`
Dec 12 00:55:36.376 INFO [stdout] 11d73ca96e86de5e6f5fb568b4bf6af3b4669e967abf02a626b7dacbb88ee753