Oct 12 13:55:30.973 INFO checking shanemikel/rust-hello against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977 Oct 12 13:55:30.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 13:55:31.402 INFO blam! 07367181220cf9765087fbf33a66a67309503ed24cfe9c4628b5b4bc3bb4041a Oct 12 13:55:31.404 INFO running `"docker" "start" "-a" "07367181220cf9765087fbf33a66a67309503ed24cfe9c4628b5b4bc3bb4041a"` Oct 12 13:55:33.896 INFO kablam! usermod: no changes Oct 12 13:55:33.944 INFO kablam! Checking rust-hello v0.1.0 (/source) Oct 12 13:55:34.372 INFO kablam! warning: unused import: `std::cell::RefCell` Oct 12 13:55:34.373 INFO kablam! --> src/main.rs:8:9 Oct 12 13:55:34.374 INFO kablam! | Oct 12 13:55:34.375 INFO kablam! 8 | use std::cell::RefCell; Oct 12 13:55:34.375 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.376 INFO kablam! | Oct 12 13:55:34.377 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 13:55:34.377 INFO kablam! Oct 12 13:55:34.378 INFO kablam! warning: unused import: `Mutex` Oct 12 13:55:34.379 INFO kablam! --> src/main.rs:9:26 Oct 12 13:55:34.379 INFO kablam! | Oct 12 13:55:34.380 INFO kablam! 9 | use std::sync::{Arc, Mutex, RwLock}; Oct 12 13:55:34.381 INFO kablam! | ^^^^^ Oct 12 13:55:34.381 INFO kablam! Oct 12 13:55:34.388 INFO kablam! warning: unused import: `std::cell::RefCell` Oct 12 13:55:34.389 INFO kablam! --> src/main.rs:8:9 Oct 12 13:55:34.390 INFO kablam! | Oct 12 13:55:34.391 INFO kablam! 8 | use std::cell::RefCell; Oct 12 13:55:34.391 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.392 INFO kablam! | Oct 12 13:55:34.393 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 13:55:34.393 INFO kablam! Oct 12 13:55:34.394 INFO kablam! warning: unused import: `Mutex` Oct 12 13:55:34.395 INFO kablam! --> src/main.rs:9:26 Oct 12 13:55:34.395 INFO kablam! | Oct 12 13:55:34.396 INFO kablam! 9 | use std::sync::{Arc, Mutex, RwLock}; Oct 12 13:55:34.397 INFO kablam! | ^^^^^ Oct 12 13:55:34.397 INFO kablam! Oct 12 13:55:34.563 INFO kablam! warning: unused variable: `data` Oct 12 13:55:34.564 INFO kablam! --> src/main.rs:25:17 Oct 12 13:55:34.565 INFO kablam! | Oct 12 13:55:34.565 INFO kablam! 25 | let data = data.read().unwrap(); Oct 12 13:55:34.566 INFO kablam! | ^^^^ help: consider using `_data` instead Oct 12 13:55:34.567 INFO kablam! | Oct 12 13:55:34.568 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 13:55:34.568 INFO kablam! Oct 12 13:55:34.593 INFO kablam! warning: enum is never used: `List` Oct 12 13:55:34.594 INFO kablam! --> src/list.rs:3:1 Oct 12 13:55:34.595 INFO kablam! | Oct 12 13:55:34.595 INFO kablam! 3 | pub enum List { Oct 12 13:55:34.596 INFO kablam! | ^^^^^^^^^^^^^^^^ Oct 12 13:55:34.597 INFO kablam! | Oct 12 13:55:34.598 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 13:55:34.598 INFO kablam! Oct 12 13:55:34.599 INFO kablam! warning: method is never used: `new` Oct 12 13:55:34.600 INFO kablam! --> src/list.rs:9:5 Oct 12 13:55:34.601 INFO kablam! | Oct 12 13:55:34.601 INFO kablam! 9 | pub fn new() -> List { List::Nil } Oct 12 13:55:34.602 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.603 INFO kablam! Oct 12 13:55:34.603 INFO kablam! warning: method is never used: `cons` Oct 12 13:55:34.604 INFO kablam! --> src/list.rs:11:5 Oct 12 13:55:34.605 INFO kablam! | Oct 12 13:55:34.606 INFO kablam! 11 | pub fn cons(self, x: T) -> List { List::Cons(x, Box::new(self)) } Oct 12 13:55:34.606 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.607 INFO kablam! warning: unused variable: `data` Oct 12 13:55:34.608 INFO kablam! --> src/main.rs:25:17 Oct 12 13:55:34.609 INFO kablam! | Oct 12 13:55:34.609 INFO kablam! 25 | let data = data.read().unwrap(); Oct 12 13:55:34.610 INFO kablam! | ^^^^ help: consider using `_data` instead Oct 12 13:55:34.611 INFO kablam! | Oct 12 13:55:34.611 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 13:55:34.612 INFO kablam! Oct 12 13:55:34.612 INFO kablam! Oct 12 13:55:34.613 INFO kablam! warning: method is never used: `head` Oct 12 13:55:34.614 INFO kablam! --> src/list.rs:13:5 Oct 12 13:55:34.615 INFO kablam! | Oct 12 13:55:34.615 INFO kablam! 13 | pub fn head(self) -> Option { Oct 12 13:55:34.616 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.616 INFO kablam! Oct 12 13:55:34.617 INFO kablam! warning: method is never used: `tail` Oct 12 13:55:34.618 INFO kablam! --> src/list.rs:20:5 Oct 12 13:55:34.619 INFO kablam! | Oct 12 13:55:34.619 INFO kablam! 20 | pub fn tail(&self) -> Option<&List> { Oct 12 13:55:34.619 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.620 INFO kablam! Oct 12 13:55:34.621 INFO kablam! warning: method is never used: `head_ref` Oct 12 13:55:34.622 INFO kablam! --> src/list.rs:29:5 Oct 12 13:55:34.622 INFO kablam! | Oct 12 13:55:34.623 INFO kablam! 29 | pub fn head_ref(&self) -> Option { Oct 12 13:55:34.623 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.624 INFO kablam! Oct 12 13:55:34.625 INFO kablam! warning: constant item is never used: `N` Oct 12 13:55:34.625 INFO kablam! --> src/main.rs:13:5 Oct 12 13:55:34.626 INFO kablam! | Oct 12 13:55:34.627 INFO kablam! 13 | const N: usize = 10; Oct 12 13:55:34.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.628 INFO kablam! Oct 12 13:55:34.632 INFO kablam! warning: function is never used: `test_list` Oct 12 13:55:34.632 INFO kablam! --> src/main.rs:39:1 Oct 12 13:55:34.632 INFO kablam! | Oct 12 13:55:34.632 INFO kablam! 39 | fn test_list() { Oct 12 13:55:34.632 INFO kablam! | ^^^^^^^^^^^^^^ Oct 12 13:55:34.632 INFO kablam! Oct 12 13:55:34.656 INFO kablam! warning: enum is never used: `List` Oct 12 13:55:34.657 INFO kablam! --> src/list.rs:3:1 Oct 12 13:55:34.658 INFO kablam! | Oct 12 13:55:34.658 INFO kablam! 3 | pub enum List { Oct 12 13:55:34.659 INFO kablam! | ^^^^^^^^^^^^^^^^ Oct 12 13:55:34.660 INFO kablam! | Oct 12 13:55:34.660 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 13:55:34.661 INFO kablam! Oct 12 13:55:34.662 INFO kablam! warning: method is never used: `new` Oct 12 13:55:34.662 INFO kablam! --> src/list.rs:9:5 Oct 12 13:55:34.663 INFO kablam! | Oct 12 13:55:34.663 INFO kablam! 9 | pub fn new() -> List { List::Nil } Oct 12 13:55:34.668 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.668 INFO kablam! Oct 12 13:55:34.668 INFO kablam! warning: method is never used: `cons` Oct 12 13:55:34.668 INFO kablam! --> src/list.rs:11:5 Oct 12 13:55:34.668 INFO kablam! | Oct 12 13:55:34.668 INFO kablam! 11 | pub fn cons(self, x: T) -> List { List::Cons(x, Box::new(self)) } Oct 12 13:55:34.668 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.668 INFO kablam! Oct 12 13:55:34.668 INFO kablam! warning: method is never used: `head` Oct 12 13:55:34.668 INFO kablam! --> src/list.rs:13:5 Oct 12 13:55:34.668 INFO kablam! | Oct 12 13:55:34.668 INFO kablam! 13 | pub fn head(self) -> Option { Oct 12 13:55:34.668 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.668 INFO kablam! Oct 12 13:55:34.668 INFO kablam! warning: method is never used: `tail` Oct 12 13:55:34.668 INFO kablam! --> src/list.rs:20:5 Oct 12 13:55:34.668 INFO kablam! | Oct 12 13:55:34.668 INFO kablam! 20 | pub fn tail(&self) -> Option<&List> { Oct 12 13:55:34.668 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.668 INFO kablam! Oct 12 13:55:34.668 INFO kablam! warning: method is never used: `head_ref` Oct 12 13:55:34.668 INFO kablam! --> src/list.rs:29:5 Oct 12 13:55:34.668 INFO kablam! | Oct 12 13:55:34.668 INFO kablam! 29 | pub fn head_ref(&self) -> Option { Oct 12 13:55:34.668 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.668 INFO kablam! Oct 12 13:55:34.668 INFO kablam! warning: constant item is never used: `N` Oct 12 13:55:34.668 INFO kablam! --> src/main.rs:13:5 Oct 12 13:55:34.668 INFO kablam! | Oct 12 13:55:34.668 INFO kablam! 13 | const N: usize = 10; Oct 12 13:55:34.669 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Oct 12 13:55:34.669 INFO kablam! Oct 12 13:55:34.669 INFO kablam! warning: function is never used: `test_list` Oct 12 13:55:34.669 INFO kablam! --> src/main.rs:39:1 Oct 12 13:55:34.669 INFO kablam! | Oct 12 13:55:34.669 INFO kablam! 39 | fn test_list() { Oct 12 13:55:34.669 INFO kablam! | ^^^^^^^^^^^^^^ Oct 12 13:55:34.669 INFO kablam! Oct 12 13:55:34.717 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.80s Oct 12 13:55:34.720 INFO kablam! su: No module specific data is present Oct 12 13:55:36.412 INFO running `"docker" "rm" "-f" "07367181220cf9765087fbf33a66a67309503ed24cfe9c4628b5b4bc3bb4041a"` Oct 12 13:55:36.659 INFO blam! 07367181220cf9765087fbf33a66a67309503ed24cfe9c4628b5b4bc3bb4041a