Dec 05 05:58:56.490 INFO checking stutter-rs-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 05:58:56.490 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 05:58:56.679 INFO [stdout] 611897aa60fda0e33f93b0864a4c5eab38254a53b2ce679f51c79088f9602f1f
Dec 05 05:58:56.730 INFO running `"docker" "start" "-a" "611897aa60fda0e33f93b0864a4c5eab38254a53b2ce679f51c79088f9602f1f"`
Dec 05 05:58:57.358 INFO [stderr] usermod: no changes
Dec 05 05:58:57.401 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 05 05:58:57.438 INFO [stderr]     Checking cactus v1.0.3
Dec 05 05:58:57.438 INFO [stderr]     Checking memchr v2.1.1
Dec 05 05:58:58.401 INFO [stderr]     Checking nom v4.1.1
Dec 05 05:59:00.452 INFO [stderr]     Checking stutter-rs v0.1.1 (/source)
Dec 05 05:59:02.147 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:02.147 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 05 05:59:02.147 INFO [stderr]    |
Dec 05 05:59:02.147 INFO [stderr] 22 |             n: tag!("null") >>
Dec 05 05:59:02.147 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:02.147 INFO [stderr]    |
Dec 05 05:59:02.147 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 05:59:02.147 INFO [stderr] 
Dec 05 05:59:02.147 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:02.147 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 05 05:59:02.147 INFO [stderr]    |
Dec 05 05:59:02.147 INFO [stderr] 26 |             n: tag!("true") >>
Dec 05 05:59:02.147 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:02.147 INFO [stderr] 
Dec 05 05:59:02.147 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:02.147 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 05 05:59:02.147 INFO [stderr]    |
Dec 05 05:59:02.147 INFO [stderr] 30 |             n: tag!("false") >>
Dec 05 05:59:02.147 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:02.147 INFO [stderr] 
Dec 05 05:59:02.147 INFO [stderr] warning: unused variable: `other`
Dec 05 05:59:02.147 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 05 05:59:02.147 INFO [stderr]    |
Dec 05 05:59:02.147 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 05 05:59:02.147 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 05 05:59:02.147 INFO [stderr] 
Dec 05 05:59:02.147 INFO [stderr] warning: unused variable: `func`
Dec 05 05:59:02.147 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 05 05:59:02.147 INFO [stderr]     |
Dec 05 05:59:02.147 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 05 05:59:02.147 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 05 05:59:02.147 INFO [stderr] 
Dec 05 05:59:02.267 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 05 05:59:02.267 INFO [stderr]  --> src/lib.rs:1:54
Dec 05 05:59:02.267 INFO [stderr]   |
Dec 05 05:59:02.267 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 05 05:59:02.267 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 05 05:59:02.267 INFO [stderr]   |
Dec 05 05:59:02.267 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 05:59:02.267 INFO [stderr] 
Dec 05 05:59:02.279 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 05 05:59:02.279 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 05 05:59:02.279 INFO [stderr]    |
Dec 05 05:59:02.279 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 05 05:59:02.279 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:59:02.279 INFO [stderr]    |
Dec 05 05:59:02.279 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 05 05:59:02.279 INFO [stderr] 
Dec 05 05:59:02.567 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:02.567 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 05 05:59:02.567 INFO [stderr]    |
Dec 05 05:59:02.567 INFO [stderr] 22 |             n: tag!("null") >>
Dec 05 05:59:02.567 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:02.567 INFO [stderr]    |
Dec 05 05:59:02.567 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 05:59:02.567 INFO [stderr] 
Dec 05 05:59:02.567 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:02.567 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 05 05:59:02.567 INFO [stderr]    |
Dec 05 05:59:02.567 INFO [stderr] 26 |             n: tag!("true") >>
Dec 05 05:59:02.567 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:02.567 INFO [stderr] 
Dec 05 05:59:02.567 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:02.567 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 05 05:59:02.567 INFO [stderr]    |
Dec 05 05:59:02.567 INFO [stderr] 30 |             n: tag!("false") >>
Dec 05 05:59:02.567 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:02.567 INFO [stderr] 
Dec 05 05:59:02.567 INFO [stderr] warning: unused variable: `other`
Dec 05 05:59:02.567 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 05 05:59:02.567 INFO [stderr]    |
Dec 05 05:59:02.567 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 05 05:59:02.567 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 05 05:59:02.567 INFO [stderr] 
Dec 05 05:59:02.567 INFO [stderr] warning: unused variable: `func`
Dec 05 05:59:02.567 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 05 05:59:02.567 INFO [stderr]     |
Dec 05 05:59:02.567 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 05 05:59:02.567 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 05 05:59:02.567 INFO [stderr] 
Dec 05 05:59:02.695 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 05 05:59:02.695 INFO [stderr]  --> src/lib.rs:1:54
Dec 05 05:59:02.695 INFO [stderr]   |
Dec 05 05:59:02.695 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 05 05:59:02.695 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 05 05:59:02.695 INFO [stderr]   |
Dec 05 05:59:02.695 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 05:59:02.695 INFO [stderr] 
Dec 05 05:59:02.695 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 05 05:59:02.695 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 05 05:59:02.695 INFO [stderr]    |
Dec 05 05:59:02.695 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 05 05:59:02.695 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:59:02.695 INFO [stderr]    |
Dec 05 05:59:02.695 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 05 05:59:02.695 INFO [stderr] 
Dec 05 05:59:04.011 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:04.011 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 05 05:59:04.011 INFO [stderr]    |
Dec 05 05:59:04.011 INFO [stderr] 22 |             n: tag!("null") >>
Dec 05 05:59:04.011 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:04.012 INFO [stderr]    |
Dec 05 05:59:04.012 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 05:59:04.012 INFO [stderr] 
Dec 05 05:59:04.012 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:04.012 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 05 05:59:04.012 INFO [stderr]    |
Dec 05 05:59:04.012 INFO [stderr] 26 |             n: tag!("true") >>
Dec 05 05:59:04.012 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:04.012 INFO [stderr] 
Dec 05 05:59:04.012 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:04.012 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 05 05:59:04.012 INFO [stderr]    |
Dec 05 05:59:04.012 INFO [stderr] 30 |             n: tag!("false") >>
Dec 05 05:59:04.012 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:04.012 INFO [stderr] 
Dec 05 05:59:04.013 INFO [stderr] warning: unused variable: `other`
Dec 05 05:59:04.013 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 05 05:59:04.013 INFO [stderr]    |
Dec 05 05:59:04.013 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 05 05:59:04.013 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 05 05:59:04.013 INFO [stderr] 
Dec 05 05:59:04.013 INFO [stderr] warning: unused variable: `func`
Dec 05 05:59:04.013 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 05 05:59:04.013 INFO [stderr]     |
Dec 05 05:59:04.013 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 05 05:59:04.013 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 05 05:59:04.013 INFO [stderr] 
Dec 05 05:59:04.232 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 05 05:59:04.232 INFO [stderr]  --> src/main.rs:1:54
Dec 05 05:59:04.232 INFO [stderr]   |
Dec 05 05:59:04.232 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 05 05:59:04.232 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 05 05:59:04.232 INFO [stderr]   |
Dec 05 05:59:04.232 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 05:59:04.232 INFO [stderr] 
Dec 05 05:59:04.238 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 05 05:59:04.238 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 05 05:59:04.238 INFO [stderr]    |
Dec 05 05:59:04.238 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 05 05:59:04.238 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:59:04.238 INFO [stderr]    |
Dec 05 05:59:04.238 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 05 05:59:04.238 INFO [stderr] 
Dec 05 05:59:04.637 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:04.637 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 05 05:59:04.637 INFO [stderr]    |
Dec 05 05:59:04.637 INFO [stderr] 22 |             n: tag!("null") >>
Dec 05 05:59:04.637 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:04.637 INFO [stderr]    |
Dec 05 05:59:04.637 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 05:59:04.637 INFO [stderr] 
Dec 05 05:59:04.647 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:04.647 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 05 05:59:04.647 INFO [stderr]    |
Dec 05 05:59:04.647 INFO [stderr] 26 |             n: tag!("true") >>
Dec 05 05:59:04.647 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:04.647 INFO [stderr] 
Dec 05 05:59:04.648 INFO [stderr] warning: unused variable: `n`
Dec 05 05:59:04.648 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 05 05:59:04.648 INFO [stderr]    |
Dec 05 05:59:04.648 INFO [stderr] 30 |             n: tag!("false") >>
Dec 05 05:59:04.648 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 05 05:59:04.648 INFO [stderr] 
Dec 05 05:59:04.648 INFO [stderr] warning: unused variable: `other`
Dec 05 05:59:04.648 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 05 05:59:04.648 INFO [stderr]    |
Dec 05 05:59:04.648 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 05 05:59:04.649 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 05 05:59:04.649 INFO [stderr] 
Dec 05 05:59:04.649 INFO [stderr] warning: unused variable: `func`
Dec 05 05:59:04.649 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 05 05:59:04.649 INFO [stderr]     |
Dec 05 05:59:04.649 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 05 05:59:04.649 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 05 05:59:04.649 INFO [stderr] 
Dec 05 05:59:04.854 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 05 05:59:04.854 INFO [stderr]  --> src/main.rs:1:54
Dec 05 05:59:04.854 INFO [stderr]   |
Dec 05 05:59:04.855 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 05 05:59:04.855 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 05 05:59:04.855 INFO [stderr]   |
Dec 05 05:59:04.855 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 05:59:04.855 INFO [stderr] 
Dec 05 05:59:04.859 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 05 05:59:04.860 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 05 05:59:04.860 INFO [stderr]    |
Dec 05 05:59:04.867 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 05 05:59:04.867 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:59:04.867 INFO [stderr]    |
Dec 05 05:59:04.867 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 05 05:59:04.867 INFO [stderr] 
Dec 05 05:59:04.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.51s
Dec 05 05:59:04.891 INFO [stderr] su: No module specific data is present
Dec 05 05:59:06.002 INFO running `"docker" "inspect" "611897aa60fda0e33f93b0864a4c5eab38254a53b2ce679f51c79088f9602f1f"`
Dec 05 05:59:06.507 INFO running `"docker" "rm" "-f" "611897aa60fda0e33f93b0864a4c5eab38254a53b2ce679f51c79088f9602f1f"`
Dec 05 05:59:06.979 INFO [stdout] 611897aa60fda0e33f93b0864a4c5eab38254a53b2ce679f51c79088f9602f1f