Aug 31 11:58:25.989 INFO checking stutter-rs-0.1.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 11:58:25.989 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 11:58:25.990 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 11:58:26.194 INFO blam! def47c2a05e4650f6f257ccb83968867d9412b69bcacd7957ec0606db9a15be0
Aug 31 11:58:26.196 INFO running `"docker" "start" "-a" "def47c2a05e4650f6f257ccb83968867d9412b69bcacd7957ec0606db9a15be0"`
Aug 31 11:58:26.799 INFO kablam! warning: only one of `license` or `license-file` is necessary
Aug 31 11:58:26.812 INFO kablam!     Checking cactus v1.0.3
Aug 31 11:58:27.337 INFO kablam!     Checking stutter-rs v0.1.1 (file:///source)
Aug 31 11:58:28.374 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:28.374 INFO kablam!   --> src/ast/parse.rs:22:13
Aug 31 11:58:28.374 INFO kablam!    |
Aug 31 11:58:28.374 INFO kablam! 22 |             n: tag!("null") >>
Aug 31 11:58:28.375 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:28.375 INFO kablam!    |
Aug 31 11:58:28.375 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 11:58:28.375 INFO kablam! 
Aug 31 11:58:28.375 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:28.375 INFO kablam!   --> src/ast/parse.rs:26:13
Aug 31 11:58:28.375 INFO kablam!    |
Aug 31 11:58:28.375 INFO kablam! 26 |             n: tag!("true") >>
Aug 31 11:58:28.375 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:28.375 INFO kablam! 
Aug 31 11:58:28.375 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:28.375 INFO kablam!   --> src/ast/parse.rs:30:13
Aug 31 11:58:28.375 INFO kablam!    |
Aug 31 11:58:28.375 INFO kablam! 30 |             n: tag!("false") >>
Aug 31 11:58:28.375 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:28.375 INFO kablam! 
Aug 31 11:58:28.375 INFO kablam! warning: unused variable: `other`
Aug 31 11:58:28.375 INFO kablam!   --> src/ast/function.rs:45:18
Aug 31 11:58:28.376 INFO kablam!    |
Aug 31 11:58:28.376 INFO kablam! 45 |     fn eq(&self, other: &Function) -> bool {
Aug 31 11:58:28.376 INFO kablam!    |                  ^^^^^ help: consider using `_other` instead
Aug 31 11:58:28.376 INFO kablam! 
Aug 31 11:58:28.376 INFO kablam! warning: unused variable: `func`
Aug 31 11:58:28.376 INFO kablam!    --> src/eval/types.rs:110:40
Aug 31 11:58:28.376 INFO kablam!     |
Aug 31 11:58:28.376 INFO kablam! 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Aug 31 11:58:28.376 INFO kablam!     |                                        ^^^^ help: consider using `_func` instead
Aug 31 11:58:28.376 INFO kablam! 
Aug 31 11:58:28.551 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:28.551 INFO kablam!   --> src/ast/parse.rs:22:13
Aug 31 11:58:28.551 INFO kablam!    |
Aug 31 11:58:28.551 INFO kablam! 22 |             n: tag!("null") >>
Aug 31 11:58:28.552 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:28.552 INFO kablam!    |
Aug 31 11:58:28.552 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 11:58:28.552 INFO kablam! 
Aug 31 11:58:28.552 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:28.552 INFO kablam!   --> src/ast/parse.rs:26:13
Aug 31 11:58:28.552 INFO kablam!    |
Aug 31 11:58:28.552 INFO kablam! 26 |             n: tag!("true") >>
Aug 31 11:58:28.552 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:28.552 INFO kablam! 
Aug 31 11:58:28.552 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:28.552 INFO kablam!   --> src/ast/parse.rs:30:13
Aug 31 11:58:28.552 INFO kablam!    |
Aug 31 11:58:28.552 INFO kablam! 30 |             n: tag!("false") >>
Aug 31 11:58:28.552 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:28.552 INFO kablam! 
Aug 31 11:58:28.552 INFO kablam! warning: unused variable: `other`
Aug 31 11:58:28.553 INFO kablam!   --> src/ast/function.rs:45:18
Aug 31 11:58:28.553 INFO kablam!    |
Aug 31 11:58:28.553 INFO kablam! 45 |     fn eq(&self, other: &Function) -> bool {
Aug 31 11:58:28.553 INFO kablam!    |                  ^^^^^ help: consider using `_other` instead
Aug 31 11:58:28.553 INFO kablam! 
Aug 31 11:58:28.553 INFO kablam! warning: unused variable: `func`
Aug 31 11:58:28.553 INFO kablam!    --> src/eval/types.rs:110:40
Aug 31 11:58:28.553 INFO kablam!     |
Aug 31 11:58:28.553 INFO kablam! 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Aug 31 11:58:28.553 INFO kablam!     |                                        ^^^^ help: consider using `_func` instead
Aug 31 11:58:28.553 INFO kablam! 
Aug 31 11:58:28.622 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 31 11:58:28.622 INFO kablam!  --> src/lib.rs:1:54
Aug 31 11:58:28.622 INFO kablam!   |
Aug 31 11:58:28.622 INFO kablam! 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Aug 31 11:58:28.622 INFO kablam!   |                                                      ^^^^^^^^^^^^^^^^
Aug 31 11:58:28.622 INFO kablam!   |
Aug 31 11:58:28.622 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 11:58:28.622 INFO kablam! 
Aug 31 11:58:28.640 INFO kablam! warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Aug 31 11:58:28.640 INFO kablam!   --> src/eval/types.rs:15:1
Aug 31 11:58:28.640 INFO kablam!    |
Aug 31 11:58:28.640 INFO kablam! 15 | static mut next_id: i32 = 0;
Aug 31 11:58:28.640 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 11:58:28.640 INFO kablam!    |
Aug 31 11:58:28.640 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Aug 31 11:58:28.640 INFO kablam! 
Aug 31 11:58:28.780 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 31 11:58:28.780 INFO kablam!  --> src/lib.rs:1:54
Aug 31 11:58:28.780 INFO kablam!   |
Aug 31 11:58:28.780 INFO kablam! 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Aug 31 11:58:28.780 INFO kablam!   |                                                      ^^^^^^^^^^^^^^^^
Aug 31 11:58:28.780 INFO kablam!   |
Aug 31 11:58:28.780 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 11:58:28.780 INFO kablam! 
Aug 31 11:58:28.787 INFO kablam! warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Aug 31 11:58:28.787 INFO kablam!   --> src/eval/types.rs:15:1
Aug 31 11:58:28.787 INFO kablam!    |
Aug 31 11:58:28.787 INFO kablam! 15 | static mut next_id: i32 = 0;
Aug 31 11:58:28.787 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 11:58:28.787 INFO kablam!    |
Aug 31 11:58:28.787 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Aug 31 11:58:28.788 INFO kablam! 
Aug 31 11:58:29.825 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:29.825 INFO kablam!   --> src/ast/parse.rs:22:13
Aug 31 11:58:29.825 INFO kablam!    |
Aug 31 11:58:29.825 INFO kablam! 22 |             n: tag!("null") >>
Aug 31 11:58:29.825 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:29.825 INFO kablam!    |
Aug 31 11:58:29.825 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 11:58:29.825 INFO kablam! 
Aug 31 11:58:29.825 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:29.825 INFO kablam!   --> src/ast/parse.rs:26:13
Aug 31 11:58:29.825 INFO kablam!    |
Aug 31 11:58:29.825 INFO kablam! 26 |             n: tag!("true") >>
Aug 31 11:58:29.825 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:29.825 INFO kablam! 
Aug 31 11:58:29.825 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:29.825 INFO kablam!   --> src/ast/parse.rs:30:13
Aug 31 11:58:29.825 INFO kablam!    |
Aug 31 11:58:29.825 INFO kablam! 30 |             n: tag!("false") >>
Aug 31 11:58:29.825 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:29.825 INFO kablam! 
Aug 31 11:58:29.826 INFO kablam! warning: unused variable: `other`
Aug 31 11:58:29.826 INFO kablam!   --> src/ast/function.rs:45:18
Aug 31 11:58:29.826 INFO kablam!    |
Aug 31 11:58:29.826 INFO kablam! 45 |     fn eq(&self, other: &Function) -> bool {
Aug 31 11:58:29.826 INFO kablam!    |                  ^^^^^ help: consider using `_other` instead
Aug 31 11:58:29.826 INFO kablam! 
Aug 31 11:58:29.826 INFO kablam! warning: unused variable: `func`
Aug 31 11:58:29.826 INFO kablam!    --> src/eval/types.rs:110:40
Aug 31 11:58:29.826 INFO kablam!     |
Aug 31 11:58:29.827 INFO kablam! 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Aug 31 11:58:29.827 INFO kablam!     |                                        ^^^^ help: consider using `_func` instead
Aug 31 11:58:29.827 INFO kablam! 
Aug 31 11:58:30.182 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 31 11:58:30.182 INFO kablam!  --> src/main.rs:1:54
Aug 31 11:58:30.182 INFO kablam!   |
Aug 31 11:58:30.182 INFO kablam! 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Aug 31 11:58:30.182 INFO kablam!   |                                                      ^^^^^^^^^^^^^^^^
Aug 31 11:58:30.182 INFO kablam!   |
Aug 31 11:58:30.182 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 11:58:30.183 INFO kablam! 
Aug 31 11:58:30.204 INFO kablam! warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Aug 31 11:58:30.204 INFO kablam!   --> src/eval/types.rs:15:1
Aug 31 11:58:30.204 INFO kablam!    |
Aug 31 11:58:30.205 INFO kablam! 15 | static mut next_id: i32 = 0;
Aug 31 11:58:30.205 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 11:58:30.205 INFO kablam!    |
Aug 31 11:58:30.205 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Aug 31 11:58:30.205 INFO kablam! 
Aug 31 11:58:30.392 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:30.392 INFO kablam!   --> src/ast/parse.rs:22:13
Aug 31 11:58:30.393 INFO kablam!    |
Aug 31 11:58:30.393 INFO kablam! 22 |             n: tag!("null") >>
Aug 31 11:58:30.393 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:30.393 INFO kablam!    |
Aug 31 11:58:30.393 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 31 11:58:30.393 INFO kablam! 
Aug 31 11:58:30.394 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:30.394 INFO kablam!   --> src/ast/parse.rs:26:13
Aug 31 11:58:30.394 INFO kablam!    |
Aug 31 11:58:30.394 INFO kablam! 26 |             n: tag!("true") >>
Aug 31 11:58:30.394 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:30.394 INFO kablam! 
Aug 31 11:58:30.394 INFO kablam! warning: unused variable: `n`
Aug 31 11:58:30.394 INFO kablam!   --> src/ast/parse.rs:30:13
Aug 31 11:58:30.394 INFO kablam!    |
Aug 31 11:58:30.394 INFO kablam! 30 |             n: tag!("false") >>
Aug 31 11:58:30.394 INFO kablam!    |             ^ help: consider using `_n` instead
Aug 31 11:58:30.394 INFO kablam! 
Aug 31 11:58:30.394 INFO kablam! warning: unused variable: `other`
Aug 31 11:58:30.394 INFO kablam!   --> src/ast/function.rs:45:18
Aug 31 11:58:30.395 INFO kablam!    |
Aug 31 11:58:30.395 INFO kablam! 45 |     fn eq(&self, other: &Function) -> bool {
Aug 31 11:58:30.395 INFO kablam!    |                  ^^^^^ help: consider using `_other` instead
Aug 31 11:58:30.395 INFO kablam! 
Aug 31 11:58:30.396 INFO kablam! warning: unused variable: `func`
Aug 31 11:58:30.396 INFO kablam!    --> src/eval/types.rs:110:40
Aug 31 11:58:30.396 INFO kablam!     |
Aug 31 11:58:30.396 INFO kablam! 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Aug 31 11:58:30.396 INFO kablam!     |                                        ^^^^ help: consider using `_func` instead
Aug 31 11:58:30.396 INFO kablam! 
Aug 31 11:58:30.743 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Aug 31 11:58:30.743 INFO kablam!  --> src/main.rs:1:54
Aug 31 11:58:30.743 INFO kablam!   |
Aug 31 11:58:30.743 INFO kablam! 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Aug 31 11:58:30.743 INFO kablam!   |                                                      ^^^^^^^^^^^^^^^^
Aug 31 11:58:30.743 INFO kablam!   |
Aug 31 11:58:30.743 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 31 11:58:30.743 INFO kablam! 
Aug 31 11:58:30.767 INFO kablam! warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Aug 31 11:58:30.767 INFO kablam!   --> src/eval/types.rs:15:1
Aug 31 11:58:30.767 INFO kablam!    |
Aug 31 11:58:30.768 INFO kablam! 15 | static mut next_id: i32 = 0;
Aug 31 11:58:30.768 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 11:58:30.768 INFO kablam!    |
Aug 31 11:58:30.768 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Aug 31 11:58:30.768 INFO kablam! 
Aug 31 11:58:30.823 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
Aug 31 11:58:30.828 INFO kablam! su: No module specific data is present
Aug 31 11:58:31.291 INFO running `"docker" "rm" "-f" "def47c2a05e4650f6f257ccb83968867d9412b69bcacd7957ec0606db9a15be0"`
Aug 31 11:58:31.458 INFO blam! def47c2a05e4650f6f257ccb83968867d9412b69bcacd7957ec0606db9a15be0