Oct 26 21:05:23.460 INFO checking shanemikel/rust-hello against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2 Oct 26 21:05:23.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 21:05:23.929 INFO blam! 8c547d3ac289f9347d050ecb75007f2e4856998ddfbc958b0bdc31dccc552548 Oct 26 21:05:23.931 INFO running `"docker" "start" "-a" "8c547d3ac289f9347d050ecb75007f2e4856998ddfbc958b0bdc31dccc552548"` Oct 26 21:05:26.113 INFO kablam! usermod: no changes Oct 26 21:05:26.167 INFO kablam! Checking rust-hello v0.1.0 (/source) Oct 26 21:05:26.591 INFO kablam! warning: unused import: `std::cell::RefCell` Oct 26 21:05:26.591 INFO kablam! --> src/main.rs:8:9 Oct 26 21:05:26.591 INFO kablam! | Oct 26 21:05:26.592 INFO kablam! 8 | use std::cell::RefCell; Oct 26 21:05:26.592 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.592 INFO kablam! | Oct 26 21:05:26.592 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 26 21:05:26.592 INFO kablam! Oct 26 21:05:26.592 INFO kablam! warning: unused import: `Mutex` Oct 26 21:05:26.592 INFO kablam! --> src/main.rs:9:26 Oct 26 21:05:26.592 INFO kablam! | Oct 26 21:05:26.592 INFO kablam! 9 | use std::sync::{Arc, Mutex, RwLock}; Oct 26 21:05:26.592 INFO kablam! | ^^^^^ Oct 26 21:05:26.592 INFO kablam! Oct 26 21:05:26.600 INFO kablam! warning: unused import: `std::cell::RefCell` Oct 26 21:05:26.600 INFO kablam! --> src/main.rs:8:9 Oct 26 21:05:26.601 INFO kablam! | Oct 26 21:05:26.601 INFO kablam! 8 | use std::cell::RefCell; Oct 26 21:05:26.601 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.601 INFO kablam! | Oct 26 21:05:26.601 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 26 21:05:26.601 INFO kablam! Oct 26 21:05:26.601 INFO kablam! warning: unused import: `Mutex` Oct 26 21:05:26.601 INFO kablam! --> src/main.rs:9:26 Oct 26 21:05:26.601 INFO kablam! | Oct 26 21:05:26.601 INFO kablam! 9 | use std::sync::{Arc, Mutex, RwLock}; Oct 26 21:05:26.601 INFO kablam! | ^^^^^ Oct 26 21:05:26.601 INFO kablam! Oct 26 21:05:26.806 INFO kablam! warning: unused variable: `data` Oct 26 21:05:26.807 INFO kablam! --> src/main.rs:25:17 Oct 26 21:05:26.807 INFO kablam! | Oct 26 21:05:26.808 INFO kablam! 25 | let data = data.read().unwrap(); Oct 26 21:05:26.809 INFO kablam! | ^^^^ help: consider using `_data` instead Oct 26 21:05:26.809 INFO kablam! | Oct 26 21:05:26.810 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 21:05:26.811 INFO kablam! Oct 26 21:05:26.827 INFO kablam! warning: unused variable: `data` Oct 26 21:05:26.828 INFO kablam! --> src/main.rs:25:17 Oct 26 21:05:26.828 INFO kablam! | Oct 26 21:05:26.829 INFO kablam! 25 | let data = data.read().unwrap(); Oct 26 21:05:26.830 INFO kablam! | ^^^^ help: consider using `_data` instead Oct 26 21:05:26.830 INFO kablam! | Oct 26 21:05:26.831 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 21:05:26.832 INFO kablam! Oct 26 21:05:26.832 INFO kablam! warning: enum is never used: `List` Oct 26 21:05:26.833 INFO kablam! --> src/list.rs:3:1 Oct 26 21:05:26.834 INFO kablam! | Oct 26 21:05:26.834 INFO kablam! 3 | pub enum List { Oct 26 21:05:26.835 INFO kablam! | ^^^^^^^^^^^^^^^^ Oct 26 21:05:26.836 INFO kablam! | Oct 26 21:05:26.836 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 21:05:26.837 INFO kablam! Oct 26 21:05:26.837 INFO kablam! warning: method is never used: `new` Oct 26 21:05:26.837 INFO kablam! --> src/list.rs:9:5 Oct 26 21:05:26.837 INFO kablam! | Oct 26 21:05:26.837 INFO kablam! 9 | pub fn new() -> List { List::Nil } Oct 26 21:05:26.837 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.837 INFO kablam! Oct 26 21:05:26.837 INFO kablam! warning: method is never used: `cons` Oct 26 21:05:26.837 INFO kablam! --> src/list.rs:11:5 Oct 26 21:05:26.837 INFO kablam! | Oct 26 21:05:26.837 INFO kablam! 11 | pub fn cons(self, x: T) -> List { List::Cons(x, Box::new(self)) } Oct 26 21:05:26.837 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.837 INFO kablam! Oct 26 21:05:26.837 INFO kablam! warning: method is never used: `head` Oct 26 21:05:26.837 INFO kablam! --> src/list.rs:13:5 Oct 26 21:05:26.837 INFO kablam! | Oct 26 21:05:26.837 INFO kablam! 13 | pub fn head(self) -> Option { Oct 26 21:05:26.837 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.837 INFO kablam! Oct 26 21:05:26.837 INFO kablam! warning: method is never used: `tail` Oct 26 21:05:26.837 INFO kablam! --> src/list.rs:20:5 Oct 26 21:05:26.837 INFO kablam! | Oct 26 21:05:26.837 INFO kablam! 20 | pub fn tail(&self) -> Option<&List> { Oct 26 21:05:26.837 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.837 INFO kablam! Oct 26 21:05:26.837 INFO kablam! warning: method is never used: `head_ref` Oct 26 21:05:26.837 INFO kablam! --> src/list.rs:29:5 Oct 26 21:05:26.837 INFO kablam! | Oct 26 21:05:26.837 INFO kablam! 29 | pub fn head_ref(&self) -> Option { Oct 26 21:05:26.837 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.837 INFO kablam! Oct 26 21:05:26.837 INFO kablam! warning: constant item is never used: `N` Oct 26 21:05:26.837 INFO kablam! --> src/main.rs:13:5 Oct 26 21:05:26.837 INFO kablam! | Oct 26 21:05:26.838 INFO kablam! 13 | const N: usize = 10; Oct 26 21:05:26.838 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.838 INFO kablam! Oct 26 21:05:26.838 INFO kablam! warning: function is never used: `test_list` Oct 26 21:05:26.838 INFO kablam! --> src/main.rs:39:1 Oct 26 21:05:26.838 INFO kablam! | Oct 26 21:05:26.838 INFO kablam! 39 | fn test_list() { Oct 26 21:05:26.838 INFO kablam! | ^^^^^^^^^^^^^^ Oct 26 21:05:26.838 INFO kablam! Oct 26 21:05:26.851 INFO kablam! warning: enum is never used: `List` Oct 26 21:05:26.851 INFO kablam! --> src/list.rs:3:1 Oct 26 21:05:26.851 INFO kablam! | Oct 26 21:05:26.851 INFO kablam! 3 | pub enum List { Oct 26 21:05:26.851 INFO kablam! | ^^^^^^^^^^^^^^^^ Oct 26 21:05:26.851 INFO kablam! | Oct 26 21:05:26.863 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 21:05:26.863 INFO kablam! Oct 26 21:05:26.863 INFO kablam! warning: method is never used: `new` Oct 26 21:05:26.863 INFO kablam! --> src/list.rs:9:5 Oct 26 21:05:26.863 INFO kablam! | Oct 26 21:05:26.863 INFO kablam! 9 | pub fn new() -> List { List::Nil } Oct 26 21:05:26.863 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.863 INFO kablam! Oct 26 21:05:26.863 INFO kablam! warning: method is never used: `cons` Oct 26 21:05:26.863 INFO kablam! --> src/list.rs:11:5 Oct 26 21:05:26.863 INFO kablam! | Oct 26 21:05:26.863 INFO kablam! 11 | pub fn cons(self, x: T) -> List { List::Cons(x, Box::new(self)) } Oct 26 21:05:26.863 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.863 INFO kablam! Oct 26 21:05:26.863 INFO kablam! warning: method is never used: `head` Oct 26 21:05:26.863 INFO kablam! --> src/list.rs:13:5 Oct 26 21:05:26.863 INFO kablam! | Oct 26 21:05:26.863 INFO kablam! 13 | pub fn head(self) -> Option { Oct 26 21:05:26.863 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.863 INFO kablam! Oct 26 21:05:26.863 INFO kablam! warning: method is never used: `tail` Oct 26 21:05:26.863 INFO kablam! --> src/list.rs:20:5 Oct 26 21:05:26.863 INFO kablam! | Oct 26 21:05:26.863 INFO kablam! 20 | pub fn tail(&self) -> Option<&List> { Oct 26 21:05:26.863 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.863 INFO kablam! Oct 26 21:05:26.863 INFO kablam! warning: method is never used: `head_ref` Oct 26 21:05:26.863 INFO kablam! --> src/list.rs:29:5 Oct 26 21:05:26.863 INFO kablam! | Oct 26 21:05:26.863 INFO kablam! 29 | pub fn head_ref(&self) -> Option { Oct 26 21:05:26.863 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.863 INFO kablam! Oct 26 21:05:26.863 INFO kablam! warning: constant item is never used: `N` Oct 26 21:05:26.863 INFO kablam! --> src/main.rs:13:5 Oct 26 21:05:26.863 INFO kablam! | Oct 26 21:05:26.863 INFO kablam! 13 | const N: usize = 10; Oct 26 21:05:26.863 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Oct 26 21:05:26.863 INFO kablam! Oct 26 21:05:26.863 INFO kablam! warning: function is never used: `test_list` Oct 26 21:05:26.863 INFO kablam! --> src/main.rs:39:1 Oct 26 21:05:26.864 INFO kablam! | Oct 26 21:05:26.864 INFO kablam! 39 | fn test_list() { Oct 26 21:05:26.864 INFO kablam! | ^^^^^^^^^^^^^^ Oct 26 21:05:26.864 INFO kablam! Oct 26 21:05:26.923 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.77s Oct 26 21:05:26.925 INFO kablam! su: No module specific data is present Oct 26 21:05:28.421 INFO running `"docker" "rm" "-f" "8c547d3ac289f9347d050ecb75007f2e4856998ddfbc958b0bdc31dccc552548"` Oct 26 21:05:28.709 INFO blam! 8c547d3ac289f9347d050ecb75007f2e4856998ddfbc958b0bdc31dccc552548