Nov 03 23:16:42.258 INFO checking shanemikel/rust-hello against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 03 23:16:42.259 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 03 23:16:42.760 INFO blam! f7560145e82aff6e10452d3337ba3162c06b0903374533e4bd31db1ef341c515
Nov 03 23:16:42.763 INFO running `"docker" "start" "-a" "f7560145e82aff6e10452d3337ba3162c06b0903374533e4bd31db1ef341c515"`
Nov 03 23:16:45.650 INFO kablam! usermod: no changes
Nov 03 23:16:45.744 INFO kablam!     Checking rust-hello v0.1.0 (/source)
Nov 03 23:16:46.098 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 03 23:16:46.099 INFO kablam!  --> src/main.rs:8:9
Nov 03 23:16:46.100 INFO kablam!   |
Nov 03 23:16:46.101 INFO kablam! 8 |     use std::cell::RefCell;
Nov 03 23:16:46.101 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.102 INFO kablam!   |
Nov 03 23:16:46.102 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 23:16:46.103 INFO kablam! 
Nov 03 23:16:46.103 INFO kablam! warning: unused import: `Mutex`
Nov 03 23:16:46.104 INFO kablam!  --> src/main.rs:9:26
Nov 03 23:16:46.105 INFO kablam!   |
Nov 03 23:16:46.105 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Nov 03 23:16:46.105 INFO kablam!   |                          ^^^^^
Nov 03 23:16:46.105 INFO kablam! 
Nov 03 23:16:46.211 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 03 23:16:46.211 INFO kablam!  --> src/main.rs:8:9
Nov 03 23:16:46.211 INFO kablam!   |
Nov 03 23:16:46.211 INFO kablam! 8 |     use std::cell::RefCell;
Nov 03 23:16:46.211 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.211 INFO kablam!   |
Nov 03 23:16:46.211 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 23:16:46.211 INFO kablam! 
Nov 03 23:16:46.211 INFO kablam! warning: unused import: `Mutex`
Nov 03 23:16:46.211 INFO kablam!  --> src/main.rs:9:26
Nov 03 23:16:46.211 INFO kablam!   |
Nov 03 23:16:46.211 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Nov 03 23:16:46.211 INFO kablam!   |                          ^^^^^
Nov 03 23:16:46.211 INFO kablam! 
Nov 03 23:16:46.303 INFO kablam! warning: unused variable: `data`
Nov 03 23:16:46.303 INFO kablam!   --> src/main.rs:25:17
Nov 03 23:16:46.304 INFO kablam!    |
Nov 03 23:16:46.304 INFO kablam! 25 |             let data = data.read().unwrap();
Nov 03 23:16:46.305 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Nov 03 23:16:46.305 INFO kablam!    |
Nov 03 23:16:46.306 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 03 23:16:46.306 INFO kablam! 
Nov 03 23:16:46.329 INFO kablam! warning: enum is never used: `List`
Nov 03 23:16:46.330 INFO kablam!  --> src/list.rs:3:1
Nov 03 23:16:46.330 INFO kablam!   |
Nov 03 23:16:46.330 INFO kablam! 3 | pub enum List<T> {
Nov 03 23:16:46.331 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 03 23:16:46.331 INFO kablam!   |
Nov 03 23:16:46.331 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 23:16:46.332 INFO kablam! 
Nov 03 23:16:46.332 INFO kablam! warning: method is never used: `new`
Nov 03 23:16:46.332 INFO kablam!  --> src/list.rs:9:5
Nov 03 23:16:46.333 INFO kablam!   |
Nov 03 23:16:46.333 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Nov 03 23:16:46.333 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.333 INFO kablam! 
Nov 03 23:16:46.334 INFO kablam! warning: method is never used: `cons`
Nov 03 23:16:46.334 INFO kablam!   --> src/list.rs:11:5
Nov 03 23:16:46.334 INFO kablam!    |
Nov 03 23:16:46.335 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Nov 03 23:16:46.335 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.335 INFO kablam! 
Nov 03 23:16:46.335 INFO kablam! warning: method is never used: `head`
Nov 03 23:16:46.336 INFO kablam!   --> src/list.rs:13:5
Nov 03 23:16:46.336 INFO kablam!    |
Nov 03 23:16:46.336 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Nov 03 23:16:46.336 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.337 INFO kablam! 
Nov 03 23:16:46.337 INFO kablam! warning: method is never used: `tail`
Nov 03 23:16:46.337 INFO kablam!   --> src/list.rs:20:5
Nov 03 23:16:46.337 INFO kablam!    |
Nov 03 23:16:46.338 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Nov 03 23:16:46.338 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.338 INFO kablam! 
Nov 03 23:16:46.338 INFO kablam! warning: method is never used: `head_ref`
Nov 03 23:16:46.339 INFO kablam!   --> src/list.rs:29:5
Nov 03 23:16:46.339 INFO kablam!    |
Nov 03 23:16:46.339 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Nov 03 23:16:46.340 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.340 INFO kablam! 
Nov 03 23:16:46.340 INFO kablam! warning: constant item is never used: `N`
Nov 03 23:16:46.341 INFO kablam!   --> src/main.rs:13:5
Nov 03 23:16:46.341 INFO kablam!    |
Nov 03 23:16:46.341 INFO kablam! 13 |     const N: usize = 10;
Nov 03 23:16:46.342 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.342 INFO kablam! 
Nov 03 23:16:46.342 INFO kablam! warning: function is never used: `test_list`
Nov 03 23:16:46.342 INFO kablam!   --> src/main.rs:39:1
Nov 03 23:16:46.343 INFO kablam!    |
Nov 03 23:16:46.343 INFO kablam! 39 | fn test_list() {
Nov 03 23:16:46.343 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 03 23:16:46.355 INFO kablam! 
Nov 03 23:16:46.433 INFO kablam! warning: unused variable: `data`
Nov 03 23:16:46.433 INFO kablam!   --> src/main.rs:25:17
Nov 03 23:16:46.433 INFO kablam!    |
Nov 03 23:16:46.433 INFO kablam! 25 |             let data = data.read().unwrap();
Nov 03 23:16:46.433 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Nov 03 23:16:46.433 INFO kablam!    |
Nov 03 23:16:46.433 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 03 23:16:46.433 INFO kablam! 
Nov 03 23:16:46.459 INFO kablam! warning: enum is never used: `List`
Nov 03 23:16:46.459 INFO kablam!  --> src/list.rs:3:1
Nov 03 23:16:46.459 INFO kablam!   |
Nov 03 23:16:46.459 INFO kablam! 3 | pub enum List<T> {
Nov 03 23:16:46.459 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 03 23:16:46.459 INFO kablam!   |
Nov 03 23:16:46.459 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 23:16:46.460 INFO kablam! 
Nov 03 23:16:46.460 INFO kablam! warning: method is never used: `new`
Nov 03 23:16:46.460 INFO kablam!  --> src/list.rs:9:5
Nov 03 23:16:46.460 INFO kablam!   |
Nov 03 23:16:46.460 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Nov 03 23:16:46.460 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.460 INFO kablam! 
Nov 03 23:16:46.460 INFO kablam! warning: method is never used: `cons`
Nov 03 23:16:46.460 INFO kablam!   --> src/list.rs:11:5
Nov 03 23:16:46.460 INFO kablam!    |
Nov 03 23:16:46.460 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Nov 03 23:16:46.460 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.461 INFO kablam! 
Nov 03 23:16:46.461 INFO kablam! warning: method is never used: `head`
Nov 03 23:16:46.461 INFO kablam!   --> src/list.rs:13:5
Nov 03 23:16:46.461 INFO kablam!    |
Nov 03 23:16:46.461 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Nov 03 23:16:46.461 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.461 INFO kablam! 
Nov 03 23:16:46.461 INFO kablam! warning: method is never used: `tail`
Nov 03 23:16:46.461 INFO kablam!   --> src/list.rs:20:5
Nov 03 23:16:46.461 INFO kablam!    |
Nov 03 23:16:46.461 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Nov 03 23:16:46.461 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.462 INFO kablam! 
Nov 03 23:16:46.462 INFO kablam! warning: method is never used: `head_ref`
Nov 03 23:16:46.462 INFO kablam!   --> src/list.rs:29:5
Nov 03 23:16:46.462 INFO kablam!    |
Nov 03 23:16:46.462 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Nov 03 23:16:46.462 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.462 INFO kablam! 
Nov 03 23:16:46.462 INFO kablam! warning: constant item is never used: `N`
Nov 03 23:16:46.462 INFO kablam!   --> src/main.rs:13:5
Nov 03 23:16:46.462 INFO kablam!    |
Nov 03 23:16:46.462 INFO kablam! 13 |     const N: usize = 10;
Nov 03 23:16:46.462 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 23:16:46.463 INFO kablam! 
Nov 03 23:16:46.463 INFO kablam! warning: function is never used: `test_list`
Nov 03 23:16:46.463 INFO kablam!   --> src/main.rs:39:1
Nov 03 23:16:46.463 INFO kablam!    |
Nov 03 23:16:46.463 INFO kablam! 39 | fn test_list() {
Nov 03 23:16:46.463 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 03 23:16:46.463 INFO kablam! 
Nov 03 23:16:46.498 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Nov 03 23:16:46.500 INFO kablam! su: No module specific data is present
Nov 03 23:16:48.079 INFO running `"docker" "rm" "-f" "f7560145e82aff6e10452d3337ba3162c06b0903374533e4bd31db1ef341c515"`
Nov 03 23:16:48.481 INFO blam! f7560145e82aff6e10452d3337ba3162c06b0903374533e4bd31db1ef341c515