Nov 09 05:23:38.853 INFO checking shanemikel/rust-hello against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 05:23:38.855 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 05:23:39.379 INFO blam! 03dbbf251e5eb74ab655be90d55794b2cca86d052cbab674ecc7ef31d2055e9a
Nov 09 05:23:39.381 INFO running `"docker" "start" "-a" "03dbbf251e5eb74ab655be90d55794b2cca86d052cbab674ecc7ef31d2055e9a"`
Nov 09 05:23:41.747 INFO kablam! usermod: no changes
Nov 09 05:23:41.799 INFO kablam!     Checking rust-hello v0.1.0 (/source)
Nov 09 05:23:42.157 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 09 05:23:42.157 INFO kablam!  --> src/main.rs:8:9
Nov 09 05:23:42.158 INFO kablam!   |
Nov 09 05:23:42.158 INFO kablam! 8 |     use std::cell::RefCell;
Nov 09 05:23:42.158 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.159 INFO kablam!   |
Nov 09 05:23:42.159 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 05:23:42.159 INFO kablam! 
Nov 09 05:23:42.160 INFO kablam! warning: unused import: `Mutex`
Nov 09 05:23:42.160 INFO kablam!  --> src/main.rs:9:26
Nov 09 05:23:42.160 INFO kablam!   |
Nov 09 05:23:42.161 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Nov 09 05:23:42.161 INFO kablam!   |                          ^^^^^
Nov 09 05:23:42.161 INFO kablam! 
Nov 09 05:23:42.192 INFO kablam! warning: unused import: `std::cell::RefCell`
Nov 09 05:23:42.192 INFO kablam!  --> src/main.rs:8:9
Nov 09 05:23:42.193 INFO kablam!   |
Nov 09 05:23:42.193 INFO kablam! 8 |     use std::cell::RefCell;
Nov 09 05:23:42.193 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.193 INFO kablam!   |
Nov 09 05:23:42.194 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 05:23:42.194 INFO kablam! 
Nov 09 05:23:42.194 INFO kablam! warning: unused import: `Mutex`
Nov 09 05:23:42.195 INFO kablam!  --> src/main.rs:9:26
Nov 09 05:23:42.195 INFO kablam!   |
Nov 09 05:23:42.195 INFO kablam! 9 |     use std::sync::{Arc, Mutex, RwLock};
Nov 09 05:23:42.196 INFO kablam!   |                          ^^^^^
Nov 09 05:23:42.196 INFO kablam! 
Nov 09 05:23:42.355 INFO kablam! warning: unused variable: `data`
Nov 09 05:23:42.356 INFO kablam!   --> src/main.rs:25:17
Nov 09 05:23:42.356 INFO kablam!    |
Nov 09 05:23:42.356 INFO kablam! 25 |             let data = data.read().unwrap();
Nov 09 05:23:42.357 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Nov 09 05:23:42.357 INFO kablam!    |
Nov 09 05:23:42.357 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 05:23:42.358 INFO kablam! 
Nov 09 05:23:42.387 INFO kablam! warning: enum is never used: `List`
Nov 09 05:23:42.388 INFO kablam!  --> src/list.rs:3:1
Nov 09 05:23:42.388 INFO kablam!   |
Nov 09 05:23:42.388 INFO kablam! 3 | pub enum List<T> {
Nov 09 05:23:42.389 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 09 05:23:42.389 INFO kablam!   |
Nov 09 05:23:42.389 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 05:23:42.390 INFO kablam! 
Nov 09 05:23:42.390 INFO kablam! warning: method is never used: `new`
Nov 09 05:23:42.390 INFO kablam!  --> src/list.rs:9:5
Nov 09 05:23:42.390 INFO kablam!   |
Nov 09 05:23:42.391 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Nov 09 05:23:42.391 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.391 INFO kablam! 
Nov 09 05:23:42.391 INFO kablam! warning: method is never used: `cons`
Nov 09 05:23:42.391 INFO kablam!   --> src/list.rs:11:5
Nov 09 05:23:42.391 INFO kablam!    |
Nov 09 05:23:42.391 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Nov 09 05:23:42.391 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.393 INFO kablam! 
Nov 09 05:23:42.393 INFO kablam! warning: method is never used: `head`
Nov 09 05:23:42.393 INFO kablam!   --> src/list.rs:13:5
Nov 09 05:23:42.393 INFO kablam!    |
Nov 09 05:23:42.393 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Nov 09 05:23:42.393 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.393 INFO kablam! 
Nov 09 05:23:42.393 INFO kablam! warning: method is never used: `tail`
Nov 09 05:23:42.393 INFO kablam!   --> src/list.rs:20:5
Nov 09 05:23:42.393 INFO kablam!    |
Nov 09 05:23:42.393 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Nov 09 05:23:42.393 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.393 INFO kablam! 
Nov 09 05:23:42.393 INFO kablam! warning: method is never used: `head_ref`
Nov 09 05:23:42.393 INFO kablam!   --> src/list.rs:29:5
Nov 09 05:23:42.393 INFO kablam!    |
Nov 09 05:23:42.393 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Nov 09 05:23:42.393 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.393 INFO kablam! 
Nov 09 05:23:42.393 INFO kablam! warning: constant item is never used: `N`
Nov 09 05:23:42.393 INFO kablam!   --> src/main.rs:13:5
Nov 09 05:23:42.393 INFO kablam!    |
Nov 09 05:23:42.393 INFO kablam! 13 |     const N: usize = 10;
Nov 09 05:23:42.393 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.393 INFO kablam! 
Nov 09 05:23:42.393 INFO kablam! warning: function is never used: `test_list`
Nov 09 05:23:42.393 INFO kablam!   --> src/main.rs:39:1
Nov 09 05:23:42.393 INFO kablam!    |
Nov 09 05:23:42.393 INFO kablam! 39 | fn test_list() {
Nov 09 05:23:42.393 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 09 05:23:42.393 INFO kablam! 
Nov 09 05:23:42.394 INFO kablam! warning: unused variable: `data`
Nov 09 05:23:42.394 INFO kablam!   --> src/main.rs:25:17
Nov 09 05:23:42.394 INFO kablam!    |
Nov 09 05:23:42.394 INFO kablam! 25 |             let data = data.read().unwrap();
Nov 09 05:23:42.394 INFO kablam!    |                 ^^^^ help: consider using `_data` instead
Nov 09 05:23:42.394 INFO kablam!    |
Nov 09 05:23:42.394 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 05:23:42.394 INFO kablam! 
Nov 09 05:23:42.427 INFO kablam! warning: enum is never used: `List`
Nov 09 05:23:42.427 INFO kablam!  --> src/list.rs:3:1
Nov 09 05:23:42.427 INFO kablam!   |
Nov 09 05:23:42.427 INFO kablam! 3 | pub enum List<T> {
Nov 09 05:23:42.427 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 09 05:23:42.427 INFO kablam!   |
Nov 09 05:23:42.427 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 05:23:42.427 INFO kablam! 
Nov 09 05:23:42.427 INFO kablam! warning: method is never used: `new`
Nov 09 05:23:42.427 INFO kablam!  --> src/list.rs:9:5
Nov 09 05:23:42.427 INFO kablam!   |
Nov 09 05:23:42.427 INFO kablam! 9 |     pub fn new() -> List<T> { List::Nil }
Nov 09 05:23:42.427 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.427 INFO kablam! 
Nov 09 05:23:42.427 INFO kablam! warning: method is never used: `cons`
Nov 09 05:23:42.427 INFO kablam!   --> src/list.rs:11:5
Nov 09 05:23:42.427 INFO kablam!    |
Nov 09 05:23:42.428 INFO kablam! 11 |     pub fn cons(self, x: T) -> List<T> { List::Cons(x, Box::new(self)) }
Nov 09 05:23:42.428 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.428 INFO kablam! 
Nov 09 05:23:42.428 INFO kablam! warning: method is never used: `head`
Nov 09 05:23:42.428 INFO kablam!   --> src/list.rs:13:5
Nov 09 05:23:42.428 INFO kablam!    |
Nov 09 05:23:42.428 INFO kablam! 13 |     pub fn head(self) -> Option<T> {
Nov 09 05:23:42.428 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.428 INFO kablam! 
Nov 09 05:23:42.428 INFO kablam! warning: method is never used: `tail`
Nov 09 05:23:42.428 INFO kablam!   --> src/list.rs:20:5
Nov 09 05:23:42.428 INFO kablam!    |
Nov 09 05:23:42.428 INFO kablam! 20 |     pub fn tail(&self) -> Option<&List<T>> {
Nov 09 05:23:42.428 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.428 INFO kablam! 
Nov 09 05:23:42.428 INFO kablam! warning: method is never used: `head_ref`
Nov 09 05:23:42.428 INFO kablam!   --> src/list.rs:29:5
Nov 09 05:23:42.428 INFO kablam!    |
Nov 09 05:23:42.428 INFO kablam! 29 |     pub fn head_ref(&self) -> Option<T> {
Nov 09 05:23:42.428 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.428 INFO kablam! 
Nov 09 05:23:42.428 INFO kablam! warning: constant item is never used: `N`
Nov 09 05:23:42.428 INFO kablam!   --> src/main.rs:13:5
Nov 09 05:23:42.428 INFO kablam!    |
Nov 09 05:23:42.428 INFO kablam! 13 |     const N: usize = 10;
Nov 09 05:23:42.428 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 09 05:23:42.428 INFO kablam! 
Nov 09 05:23:42.428 INFO kablam! warning: function is never used: `test_list`
Nov 09 05:23:42.428 INFO kablam!   --> src/main.rs:39:1
Nov 09 05:23:42.429 INFO kablam!    |
Nov 09 05:23:42.429 INFO kablam! 39 | fn test_list() {
Nov 09 05:23:42.429 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 09 05:23:42.429 INFO kablam! 
Nov 09 05:23:42.453 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 09 05:23:42.463 INFO kablam! su: No module specific data is present
Nov 09 05:23:44.235 INFO running `"docker" "rm" "-f" "03dbbf251e5eb74ab655be90d55794b2cca86d052cbab674ecc7ef31d2055e9a"`
Nov 09 05:23:44.497 INFO blam! 03dbbf251e5eb74ab655be90d55794b2cca86d052cbab674ecc7ef31d2055e9a