Nov 06 14:12:40.147 INFO checking shanemikel/rust-hello against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 14:12:40.148 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-6/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 06 14:12:40.542 INFO blam! 7812de5177319b51247ea505f8af588abf1e99da0f78f870b0da535e2dffd552
Nov 06 14:12:40.544 INFO running `"docker" "start" "-a" "7812de5177319b51247ea505f8af588abf1e99da0f78f870b0da535e2dffd552"`
Nov 06 14:12:42.944 INFO kablam! usermod: no changes
Nov 06 14:12:43.036 INFO kablam!     Checking rust-hello v0.1.0 (/source)
Nov 06 14:12:43.468 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 06 14:12:43.468 INFO kablam!  --> src/main.rs:8:9
Nov 06 14:12:43.468 INFO kablam!   |
Nov 06 14:12:43.468 INFO kablam! 8 |     use std::cell::RefCell;
Nov 06 14:12:43.468 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.468 INFO kablam!   |
Nov 06 14:12:43.468 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 14:12:43.468 INFO kablam! 
Nov 06 14:12:43.468 INFO kablam! warning: unused import: `Mutex`
Nov 06 14:12:43.468 INFO kablam!  --> src/main.rs:9:26
Nov 06 14:12:43.468 INFO kablam!   |
Nov 06 14:12:43.468 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Nov 06 14:12:43.468 INFO kablam!   |                          ^^^^^
Nov 06 14:12:43.468 INFO kablam! 
Nov 06 14:12:43.475 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 06 14:12:43.475 INFO kablam!  --> src/main.rs:8:9
Nov 06 14:12:43.475 INFO kablam!   |
Nov 06 14:12:43.475 INFO kablam! 8 |     use std::cell::RefCell;
Nov 06 14:12:43.475 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.475 INFO kablam!   |
Nov 06 14:12:43.475 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 14:12:43.475 INFO kablam! 
Nov 06 14:12:43.475 INFO kablam! warning: unused import: `Mutex`
Nov 06 14:12:43.475 INFO kablam!  --> src/main.rs:9:26
Nov 06 14:12:43.475 INFO kablam!   |
Nov 06 14:12:43.475 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Nov 06 14:12:43.475 INFO kablam!   |                          ^^^^^
Nov 06 14:12:43.475 INFO kablam! 
Nov 06 14:12:43.632 INFO kablam! warning: unused variable: `data`
Nov 06 14:12:43.632 INFO kablam!   --> src/main.rs:25:17
Nov 06 14:12:43.632 INFO kablam!    |
Nov 06 14:12:43.633 INFO kablam! 25 |             let data = data.read().unwrap();
Nov 06 14:12:43.633 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Nov 06 14:12:43.633 INFO kablam!    |
Nov 06 14:12:43.634 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 14:12:43.634 INFO kablam! 
Nov 06 14:12:43.649 INFO kablam! warning: enum is never used: `List`
Nov 06 14:12:43.649 INFO kablam!  --> src/list.rs:3:1
Nov 06 14:12:43.649 INFO kablam!   |
Nov 06 14:12:43.649 INFO kablam! 3 | pub enum List<T> {
Nov 06 14:12:43.657 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 06 14:12:43.657 INFO kablam!   |
Nov 06 14:12:43.658 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 14:12:43.658 INFO kablam! 
Nov 06 14:12:43.658 INFO kablam! warning: method is never used: `new`
Nov 06 14:12:43.659 INFO kablam!  --> src/list.rs:9:5
Nov 06 14:12:43.659 INFO kablam!   |
Nov 06 14:12:43.659 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Nov 06 14:12:43.660 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.660 INFO kablam! 
Nov 06 14:12:43.660 INFO kablam! warning: method is never used: `cons`
Nov 06 14:12:43.660 INFO kablam!   --> src/list.rs:11:5
Nov 06 14:12:43.661 INFO kablam!    |
Nov 06 14:12:43.661 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Nov 06 14:12:43.661 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.662 INFO kablam! 
Nov 06 14:12:43.662 INFO kablam! warning: method is never used: `head`
Nov 06 14:12:43.662 INFO kablam!   --> src/list.rs:13:5
Nov 06 14:12:43.662 INFO kablam!    |
Nov 06 14:12:43.663 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Nov 06 14:12:43.663 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.663 INFO kablam! 
Nov 06 14:12:43.664 INFO kablam! warning: method is never used: `tail`
Nov 06 14:12:43.664 INFO kablam!   --> src/list.rs:20:5
Nov 06 14:12:43.664 INFO kablam!    |
Nov 06 14:12:43.665 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Nov 06 14:12:43.665 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.665 INFO kablam! 
Nov 06 14:12:43.665 INFO kablam! warning: method is never used: `head_ref`
Nov 06 14:12:43.666 INFO kablam!   --> src/list.rs:29:5
Nov 06 14:12:43.666 INFO kablam!    |
Nov 06 14:12:43.666 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Nov 06 14:12:43.666 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.667 INFO kablam! 
Nov 06 14:12:43.667 INFO kablam! warning: constant item is never used: `N`
Nov 06 14:12:43.667 INFO kablam!   --> src/main.rs:13:5
Nov 06 14:12:43.667 INFO kablam!    |
Nov 06 14:12:43.668 INFO kablam! 13 |     const N: usize = 10;
Nov 06 14:12:43.668 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.692 INFO kablam! 
Nov 06 14:12:43.692 INFO kablam! warning: function is never used: `test_list`
Nov 06 14:12:43.692 INFO kablam!   --> src/main.rs:39:1
Nov 06 14:12:43.692 INFO kablam!    |
Nov 06 14:12:43.692 INFO kablam! 39 | fn test_list() {
Nov 06 14:12:43.692 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 06 14:12:43.692 INFO kablam! 
Nov 06 14:12:43.704 INFO kablam! warning: unused variable: `data`
Nov 06 14:12:43.704 INFO kablam!   --> src/main.rs:25:17
Nov 06 14:12:43.704 INFO kablam!    |
Nov 06 14:12:43.704 INFO kablam! 25 |             let data = data.read().unwrap();
Nov 06 14:12:43.704 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Nov 06 14:12:43.704 INFO kablam!    |
Nov 06 14:12:43.704 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 14:12:43.704 INFO kablam! 
Nov 06 14:12:43.743 INFO kablam! warning: enum is never used: `List`
Nov 06 14:12:43.743 INFO kablam!  --> src/list.rs:3:1
Nov 06 14:12:43.744 INFO kablam!   |
Nov 06 14:12:43.744 INFO kablam! 3 | pub enum List<T> {
Nov 06 14:12:43.744 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 06 14:12:43.744 INFO kablam!   |
Nov 06 14:12:43.744 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 06 14:12:43.745 INFO kablam! 
Nov 06 14:12:43.745 INFO kablam! warning: method is never used: `new`
Nov 06 14:12:43.745 INFO kablam!  --> src/list.rs:9:5
Nov 06 14:12:43.745 INFO kablam!   |
Nov 06 14:12:43.746 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Nov 06 14:12:43.746 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.746 INFO kablam! 
Nov 06 14:12:43.746 INFO kablam! warning: method is never used: `cons`
Nov 06 14:12:43.747 INFO kablam!   --> src/list.rs:11:5
Nov 06 14:12:43.747 INFO kablam!    |
Nov 06 14:12:43.747 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Nov 06 14:12:43.748 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.748 INFO kablam! 
Nov 06 14:12:43.748 INFO kablam! warning: method is never used: `head`
Nov 06 14:12:43.748 INFO kablam!   --> src/list.rs:13:5
Nov 06 14:12:43.749 INFO kablam!    |
Nov 06 14:12:43.749 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Nov 06 14:12:43.749 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.750 INFO kablam! 
Nov 06 14:12:43.750 INFO kablam! warning: method is never used: `tail`
Nov 06 14:12:43.750 INFO kablam!   --> src/list.rs:20:5
Nov 06 14:12:43.750 INFO kablam!    |
Nov 06 14:12:43.751 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Nov 06 14:12:43.751 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.751 INFO kablam! 
Nov 06 14:12:43.752 INFO kablam! warning: method is never used: `head_ref`
Nov 06 14:12:43.752 INFO kablam!   --> src/list.rs:29:5
Nov 06 14:12:43.752 INFO kablam!    |
Nov 06 14:12:43.752 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Nov 06 14:12:43.753 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.753 INFO kablam! 
Nov 06 14:12:43.753 INFO kablam! warning: constant item is never used: `N`
Nov 06 14:12:43.754 INFO kablam!   --> src/main.rs:13:5
Nov 06 14:12:43.754 INFO kablam!    |
Nov 06 14:12:43.754 INFO kablam! 13 |     const N: usize = 10;
Nov 06 14:12:43.754 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 06 14:12:43.755 INFO kablam! 
Nov 06 14:12:43.755 INFO kablam! warning: function is never used: `test_list`
Nov 06 14:12:43.756 INFO kablam!   --> src/main.rs:39:1
Nov 06 14:12:43.756 INFO kablam!    |
Nov 06 14:12:43.756 INFO kablam! 39 | fn test_list() {
Nov 06 14:12:43.756 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 06 14:12:43.757 INFO kablam! 
Nov 06 14:12:43.778 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Nov 06 14:12:43.784 INFO kablam! su: No module specific data is present
Nov 06 14:12:44.837 INFO running `"docker" "rm" "-f" "7812de5177319b51247ea505f8af588abf1e99da0f78f870b0da535e2dffd552"`
Nov 06 14:12:45.176 INFO blam! 7812de5177319b51247ea505f8af588abf1e99da0f78f870b0da535e2dffd552