Nov 09 17:26:07.021 INFO checking VitalyAnkh/learn_error_handling against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 17:26:07.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-0/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 17:26:07.407 INFO blam! 486fa8268e3fc81ae6195eb1302717098c114d1692a06ebfec2d77b07bf237d6
Nov 09 17:26:07.409 INFO running `"docker" "start" "-a" "486fa8268e3fc81ae6195eb1302717098c114d1692a06ebfec2d77b07bf237d6"`
Nov 09 17:26:08.743 INFO kablam! usermod: no changes
Nov 09 17:26:08.823 INFO kablam!     Checking learn_error_handling v0.1.0 (/source)
Nov 09 17:26:09.567 INFO kablam! warning: unused imports: `Cons`, `Nil`
Nov 09 17:26:09.567 INFO kablam!  --> src/smart_pointer/rc.rs:7:18
Nov 09 17:26:09.567 INFO kablam!   |
Nov 09 17:26:09.567 INFO kablam! 7 | use self::List::{Cons,Nil};
Nov 09 17:26:09.567 INFO kablam!   |                  ^^^^ ^^^
Nov 09 17:26:09.567 INFO kablam!   |
Nov 09 17:26:09.567 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 17:26:09.567 INFO kablam! 
Nov 09 17:26:09.627 INFO kablam! warning: struct is never constructed: `Guess`
Nov 09 17:26:09.627 INFO kablam!  --> src/read/mod.rs:5:1
Nov 09 17:26:09.627 INFO kablam!   |
Nov 09 17:26:09.627 INFO kablam! 5 | struct Guess {
Nov 09 17:26:09.627 INFO kablam!   | ^^^^^^^^^^^^
Nov 09 17:26:09.627 INFO kablam!   |
Nov 09 17:26:09.627 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 17:26:09.627 INFO kablam! 
Nov 09 17:26:09.627 INFO kablam! warning: method is never used: `new`
Nov 09 17:26:09.627 INFO kablam!   --> src/read/mod.rs:10:5
Nov 09 17:26:09.627 INFO kablam!    |
Nov 09 17:26:09.627 INFO kablam! 10 |     fn new(value: u32) -> Guess {
Nov 09 17:26:09.627 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 17:26:09.627 INFO kablam! 
Nov 09 17:26:09.627 INFO kablam! warning: enum is never used: `List`
Nov 09 17:26:09.627 INFO kablam!  --> src/smart_pointer/rc.rs:1:1
Nov 09 17:26:09.627 INFO kablam!   |
Nov 09 17:26:09.627 INFO kablam! 1 | enum List{
Nov 09 17:26:09.627 INFO kablam!   | ^^^^^^^^^
Nov 09 17:26:09.627 INFO kablam! 
Nov 09 17:26:09.627 INFO kablam! warning: comparison is useless due to type limits
Nov 09 17:26:09.627 INFO kablam!   --> src/read/mod.rs:11:12
Nov 09 17:26:09.627 INFO kablam!    |
Nov 09 17:26:09.627 INFO kablam! 11 |         if value < 0 || value > 100 {
Nov 09 17:26:09.627 INFO kablam!    |            ^^^^^^^^^
Nov 09 17:26:09.627 INFO kablam!    |
Nov 09 17:26:09.627 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Nov 09 17:26:09.627 INFO kablam! 
Nov 09 17:26:09.908 INFO kablam! warning: unused variable: `b`
Nov 09 17:26:09.908 INFO kablam!   --> src/smart_pointer/rc.rs:12:9
Nov 09 17:26:09.908 INFO kablam!    |
Nov 09 17:26:09.909 INFO kablam! 12 |     let b = Cons(2,Rc::clone(&a));
Nov 09 17:26:09.909 INFO kablam!    |         ^ help: consider using `_b` instead
Nov 09 17:26:09.918 INFO kablam!    |
Nov 09 17:26:09.918 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 17:26:09.919 INFO kablam! 
Nov 09 17:26:09.923 INFO kablam! warning: unused variable: `y`
Nov 09 17:26:09.923 INFO kablam!  --> src/smart_pointer/ref_cell.rs:4:13
Nov 09 17:26:09.924 INFO kablam!   |
Nov 09 17:26:09.927 INFO kablam! 4 |     let mut y =&a;
Nov 09 17:26:09.927 INFO kablam!   |             ^ help: consider using `_y` instead
Nov 09 17:26:09.927 INFO kablam! 
Nov 09 17:26:09.983 INFO kablam! warning: variable does not need to be mutable
Nov 09 17:26:09.983 INFO kablam!  --> src/smart_pointer/ref_cell.rs:4:9
Nov 09 17:26:09.983 INFO kablam!   |
Nov 09 17:26:09.983 INFO kablam! 4 |     let mut y =&a;
Nov 09 17:26:09.983 INFO kablam!   |         ----^
Nov 09 17:26:09.983 INFO kablam!   |         |
Nov 09 17:26:09.983 INFO kablam!   |         help: remove this `mut`
Nov 09 17:26:09.983 INFO kablam!   |
Nov 09 17:26:09.983 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 09 17:26:09.983 INFO kablam! 
Nov 09 17:26:09.983 INFO kablam! warning: field is never used: `value`
Nov 09 17:26:09.983 INFO kablam!  --> src/read/mod.rs:6:5
Nov 09 17:26:09.983 INFO kablam!   |
Nov 09 17:26:09.983 INFO kablam! 6 |     value: u32
Nov 09 17:26:09.983 INFO kablam!   |     ^^^^^^^^^^
Nov 09 17:26:09.983 INFO kablam!   |
Nov 09 17:26:09.983 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 17:26:09.983 INFO kablam! 
Nov 09 17:26:09.983 INFO kablam! warning: comparison is useless due to type limits
Nov 09 17:26:09.983 INFO kablam!   --> src/read/mod.rs:11:12
Nov 09 17:26:09.983 INFO kablam!    |
Nov 09 17:26:09.983 INFO kablam! 11 |         if value < 0 || value > 100 {
Nov 09 17:26:09.983 INFO kablam!    |            ^^^^^^^^^
Nov 09 17:26:09.983 INFO kablam!    |
Nov 09 17:26:09.983 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Nov 09 17:26:09.983 INFO kablam! 
Nov 09 17:26:10.585 INFO kablam! warning: unused variable: `y`
Nov 09 17:26:10.586 INFO kablam!   --> tests/integration_test.rs:11:9
Nov 09 17:26:10.586 INFO kablam!    |
Nov 09 17:26:10.586 INFO kablam! 11 |     let y =&a;
Nov 09 17:26:10.587 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 09 17:26:10.587 INFO kablam!    |
Nov 09 17:26:10.587 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 17:26:10.587 INFO kablam! 
Nov 09 17:26:10.591 INFO kablam! warning: function is never used: `it_add_two`
Nov 09 17:26:10.591 INFO kablam!  --> tests/integration_test.rs:5:1
Nov 09 17:26:10.591 INFO kablam!   |
Nov 09 17:26:10.591 INFO kablam! 5 | fn it_add_two(){
Nov 09 17:26:10.592 INFO kablam!   | ^^^^^^^^^^^^^^^
Nov 09 17:26:10.592 INFO kablam!   |
Nov 09 17:26:10.592 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 09 17:26:10.592 INFO kablam! 
Nov 09 17:26:10.593 INFO kablam! warning: function is never used: `check_borrow_rules`
Nov 09 17:26:10.593 INFO kablam!  --> tests/integration_test.rs:9:1
Nov 09 17:26:10.593 INFO kablam!   |
Nov 09 17:26:10.593 INFO kablam! 9 | fn check_borrow_rules(){
Nov 09 17:26:10.594 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 17:26:10.594 INFO kablam! 
Nov 09 17:26:10.887 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Nov 09 17:26:10.895 INFO kablam! su: No module specific data is present
Nov 09 17:26:11.674 INFO running `"docker" "rm" "-f" "486fa8268e3fc81ae6195eb1302717098c114d1692a06ebfec2d77b07bf237d6"`
Nov 09 17:26:11.975 INFO blam! 486fa8268e3fc81ae6195eb1302717098c114d1692a06ebfec2d77b07bf237d6