Oct 26 21:05:28.791 INFO checking shanemikel/rust-hello against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 26 21:05:28.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 26 21:05:29.227 INFO blam! c5e37e27a3c72bb769ee085fbeac4b2bedd202ebe5514643ed9a4d6edfd340cb
Oct 26 21:05:29.229 INFO running `"docker" "start" "-a" "c5e37e27a3c72bb769ee085fbeac4b2bedd202ebe5514643ed9a4d6edfd340cb"`
Oct 26 21:05:31.499 INFO kablam! usermod: no changes
Oct 26 21:05:31.559 INFO kablam!     Checking rust-hello v0.1.0 (/source)
Oct 26 21:05:32.047 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 26 21:05:32.048 INFO kablam!  --> src/main.rs:8:9
Oct 26 21:05:32.049 INFO kablam!   |
Oct 26 21:05:32.049 INFO kablam! 8 |     use std::cell::RefCell;
Oct 26 21:05:32.050 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.050 INFO kablam!   |
Oct 26 21:05:32.051 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 21:05:32.051 INFO kablam! 
Oct 26 21:05:32.052 INFO kablam! warning: unused import: `Mutex`
Oct 26 21:05:32.053 INFO kablam!  --> src/main.rs:9:26
Oct 26 21:05:32.053 INFO kablam!   |
Oct 26 21:05:32.054 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Oct 26 21:05:32.055 INFO kablam!   |                          ^^^^^
Oct 26 21:05:32.055 INFO kablam! 
Oct 26 21:05:32.067 INFO kablam! warning: unused import: `std::cell::RefCell`
Oct 26 21:05:32.068 INFO kablam!  --> src/main.rs:8:9
Oct 26 21:05:32.068 INFO kablam!   |
Oct 26 21:05:32.069 INFO kablam! 8 |     use std::cell::RefCell;
Oct 26 21:05:32.069 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.070 INFO kablam!   |
Oct 26 21:05:32.070 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 21:05:32.071 INFO kablam! 
Oct 26 21:05:32.072 INFO kablam! warning: unused import: `Mutex`
Oct 26 21:05:32.072 INFO kablam!  --> src/main.rs:9:26
Oct 26 21:05:32.075 INFO kablam!   |
Oct 26 21:05:32.075 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Oct 26 21:05:32.075 INFO kablam!   |                          ^^^^^
Oct 26 21:05:32.075 INFO kablam! 
Oct 26 21:05:32.271 INFO kablam! warning: unused variable: `data`
Oct 26 21:05:32.271 INFO kablam!   --> src/main.rs:25:17
Oct 26 21:05:32.271 INFO kablam!    |
Oct 26 21:05:32.272 INFO kablam! 25 |             let data = data.read().unwrap();
Oct 26 21:05:32.272 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Oct 26 21:05:32.272 INFO kablam!    |
Oct 26 21:05:32.279 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 26 21:05:32.279 INFO kablam! 
Oct 26 21:05:32.286 INFO kablam! warning: unused variable: `data`
Oct 26 21:05:32.286 INFO kablam!   --> src/main.rs:25:17
Oct 26 21:05:32.286 INFO kablam!    |
Oct 26 21:05:32.286 INFO kablam! 25 |             let data = data.read().unwrap();
Oct 26 21:05:32.286 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Oct 26 21:05:32.286 INFO kablam!    |
Oct 26 21:05:32.286 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 26 21:05:32.286 INFO kablam! 
Oct 26 21:05:32.303 INFO kablam! warning: enum is never used: `List`
Oct 26 21:05:32.303 INFO kablam!  --> src/list.rs:3:1
Oct 26 21:05:32.303 INFO kablam!   |
Oct 26 21:05:32.303 INFO kablam! 3 | pub enum List<T> {
Oct 26 21:05:32.303 INFO kablam!   | ^^^^^^^^^^^^^^^^
Oct 26 21:05:32.303 INFO kablam!   |
Oct 26 21:05:32.303 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 21:05:32.303 INFO kablam! 
Oct 26 21:05:32.303 INFO kablam! warning: method is never used: `new`
Oct 26 21:05:32.303 INFO kablam!  --> src/list.rs:9:5
Oct 26 21:05:32.303 INFO kablam!   |
Oct 26 21:05:32.303 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Oct 26 21:05:32.303 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.303 INFO kablam! 
Oct 26 21:05:32.303 INFO kablam! warning: method is never used: `cons`
Oct 26 21:05:32.303 INFO kablam!   --> src/list.rs:11:5
Oct 26 21:05:32.303 INFO kablam!    |
Oct 26 21:05:32.303 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Oct 26 21:05:32.303 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.303 INFO kablam! 
Oct 26 21:05:32.303 INFO kablam! warning: method is never used: `head`
Oct 26 21:05:32.303 INFO kablam!   --> src/list.rs:13:5
Oct 26 21:05:32.303 INFO kablam!    |
Oct 26 21:05:32.303 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Oct 26 21:05:32.304 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.304 INFO kablam! 
Oct 26 21:05:32.304 INFO kablam! warning: method is never used: `tail`
Oct 26 21:05:32.304 INFO kablam!   --> src/list.rs:20:5
Oct 26 21:05:32.304 INFO kablam!    |
Oct 26 21:05:32.304 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Oct 26 21:05:32.304 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.304 INFO kablam! 
Oct 26 21:05:32.304 INFO kablam! warning: method is never used: `head_ref`
Oct 26 21:05:32.304 INFO kablam!   --> src/list.rs:29:5
Oct 26 21:05:32.304 INFO kablam!    |
Oct 26 21:05:32.304 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Oct 26 21:05:32.304 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.304 INFO kablam! 
Oct 26 21:05:32.304 INFO kablam! warning: constant item is never used: `N`
Oct 26 21:05:32.304 INFO kablam!   --> src/main.rs:13:5
Oct 26 21:05:32.304 INFO kablam!    |
Oct 26 21:05:32.304 INFO kablam! 13 |     const N: usize = 10;
Oct 26 21:05:32.304 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.304 INFO kablam! 
Oct 26 21:05:32.304 INFO kablam! warning: function is never used: `test_list`
Oct 26 21:05:32.304 INFO kablam!   --> src/main.rs:39:1
Oct 26 21:05:32.304 INFO kablam!    |
Oct 26 21:05:32.304 INFO kablam! 39 | fn test_list() {
Oct 26 21:05:32.304 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 26 21:05:32.304 INFO kablam! 
Oct 26 21:05:32.319 INFO kablam! warning: enum is never used: `List`
Oct 26 21:05:32.319 INFO kablam!  --> src/list.rs:3:1
Oct 26 21:05:32.319 INFO kablam!   |
Oct 26 21:05:32.319 INFO kablam! 3 | pub enum List<T> {
Oct 26 21:05:32.319 INFO kablam!   | ^^^^^^^^^^^^^^^^
Oct 26 21:05:32.319 INFO kablam!   |
Oct 26 21:05:32.319 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 21:05:32.319 INFO kablam! 
Oct 26 21:05:32.319 INFO kablam! warning: method is never used: `new`
Oct 26 21:05:32.319 INFO kablam!  --> src/list.rs:9:5
Oct 26 21:05:32.319 INFO kablam!   |
Oct 26 21:05:32.319 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Oct 26 21:05:32.319 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.319 INFO kablam! 
Oct 26 21:05:32.319 INFO kablam! warning: method is never used: `cons`
Oct 26 21:05:32.319 INFO kablam!   --> src/list.rs:11:5
Oct 26 21:05:32.319 INFO kablam!    |
Oct 26 21:05:32.319 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Oct 26 21:05:32.319 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.319 INFO kablam! 
Oct 26 21:05:32.320 INFO kablam! warning: method is never used: `head`
Oct 26 21:05:32.320 INFO kablam!   --> src/list.rs:13:5
Oct 26 21:05:32.320 INFO kablam!    |
Oct 26 21:05:32.320 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Oct 26 21:05:32.320 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.320 INFO kablam! 
Oct 26 21:05:32.320 INFO kablam! warning: method is never used: `tail`
Oct 26 21:05:32.320 INFO kablam!   --> src/list.rs:20:5
Oct 26 21:05:32.320 INFO kablam!    |
Oct 26 21:05:32.320 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Oct 26 21:05:32.320 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.320 INFO kablam! 
Oct 26 21:05:32.320 INFO kablam! warning: method is never used: `head_ref`
Oct 26 21:05:32.320 INFO kablam!   --> src/list.rs:29:5
Oct 26 21:05:32.320 INFO kablam!    |
Oct 26 21:05:32.320 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Oct 26 21:05:32.320 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.320 INFO kablam! 
Oct 26 21:05:32.320 INFO kablam! warning: constant item is never used: `N`
Oct 26 21:05:32.320 INFO kablam!   --> src/main.rs:13:5
Oct 26 21:05:32.320 INFO kablam!    |
Oct 26 21:05:32.320 INFO kablam! 13 |     const N: usize = 10;
Oct 26 21:05:32.320 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 26 21:05:32.321 INFO kablam! 
Oct 26 21:05:32.321 INFO kablam! warning: function is never used: `test_list`
Oct 26 21:05:32.321 INFO kablam!   --> src/main.rs:39:1
Oct 26 21:05:32.321 INFO kablam!    |
Oct 26 21:05:32.321 INFO kablam! 39 | fn test_list() {
Oct 26 21:05:32.321 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 26 21:05:32.321 INFO kablam! 
Oct 26 21:05:32.372 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Oct 26 21:05:32.374 INFO kablam! su: No module specific data is present
Oct 26 21:05:33.811 INFO running `"docker" "rm" "-f" "c5e37e27a3c72bb769ee085fbeac4b2bedd202ebe5514643ed9a4d6edfd340cb"`
Oct 26 21:05:34.025 INFO blam! c5e37e27a3c72bb769ee085fbeac4b2bedd202ebe5514643ed9a4d6edfd340cb