Dec 12 06:46:53.202 INFO checking stutter-rs-0.1.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 06:46:53.203 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 06:46:53.486 INFO [stdout] 9fa48b04dd2aa139d4adb91fe486c6cd51033e98eeb783f200458a4bb8360e63
Dec 12 06:46:53.488 INFO running `"docker" "start" "-a" "9fa48b04dd2aa139d4adb91fe486c6cd51033e98eeb783f200458a4bb8360e63"`
Dec 12 06:46:54.179 INFO [stderr] usermod: no changes
Dec 12 06:46:54.205 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 12 06:46:54.250 INFO [stderr]     Checking cactus v1.0.3
Dec 12 06:46:54.253 INFO [stderr]     Checking memchr v2.1.2
Dec 12 06:46:55.456 INFO [stderr]     Checking nom v4.1.1
Dec 12 06:46:57.531 INFO [stderr]     Checking stutter-rs v0.1.1 (/source)
Dec 12 06:46:59.407 INFO [stderr] warning: unused variable: `n`
Dec 12 06:46:59.408 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 12 06:46:59.408 INFO [stderr]    |
Dec 12 06:46:59.408 INFO [stderr] 22 |             n: tag!("null") >>
Dec 12 06:46:59.408 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:46:59.408 INFO [stderr]    |
Dec 12 06:46:59.408 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 06:46:59.408 INFO [stderr] 
Dec 12 06:46:59.409 INFO [stderr] warning: unused variable: `n`
Dec 12 06:46:59.409 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 12 06:46:59.409 INFO [stderr]    |
Dec 12 06:46:59.409 INFO [stderr] 26 |             n: tag!("true") >>
Dec 12 06:46:59.409 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:46:59.409 INFO [stderr] 
Dec 12 06:46:59.409 INFO [stderr] warning: unused variable: `n`
Dec 12 06:46:59.409 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 12 06:46:59.409 INFO [stderr]    |
Dec 12 06:46:59.409 INFO [stderr] 30 |             n: tag!("false") >>
Dec 12 06:46:59.409 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:46:59.409 INFO [stderr] 
Dec 12 06:46:59.410 INFO [stderr] warning: unused variable: `other`
Dec 12 06:46:59.410 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 12 06:46:59.410 INFO [stderr]    |
Dec 12 06:46:59.411 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 12 06:46:59.411 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 12 06:46:59.411 INFO [stderr] 
Dec 12 06:46:59.411 INFO [stderr] warning: unused variable: `func`
Dec 12 06:46:59.411 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 12 06:46:59.411 INFO [stderr]     |
Dec 12 06:46:59.411 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 12 06:46:59.411 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 12 06:46:59.411 INFO [stderr] 
Dec 12 06:46:59.634 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 12 06:46:59.634 INFO [stderr]  --> src/lib.rs:1:54
Dec 12 06:46:59.635 INFO [stderr]   |
Dec 12 06:46:59.635 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 12 06:46:59.635 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 12 06:46:59.635 INFO [stderr]   |
Dec 12 06:46:59.635 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 06:46:59.635 INFO [stderr] 
Dec 12 06:46:59.640 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 12 06:46:59.640 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 12 06:46:59.640 INFO [stderr]    |
Dec 12 06:46:59.640 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 12 06:46:59.640 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:46:59.640 INFO [stderr]    |
Dec 12 06:46:59.648 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 12 06:46:59.648 INFO [stderr] 
Dec 12 06:46:59.952 INFO [stderr] warning: unused variable: `n`
Dec 12 06:46:59.953 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 12 06:46:59.953 INFO [stderr]    |
Dec 12 06:46:59.953 INFO [stderr] 22 |             n: tag!("null") >>
Dec 12 06:46:59.954 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:46:59.954 INFO [stderr]    |
Dec 12 06:46:59.954 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 06:46:59.954 INFO [stderr] 
Dec 12 06:46:59.955 INFO [stderr] warning: unused variable: `n`
Dec 12 06:46:59.955 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 12 06:46:59.955 INFO [stderr]    |
Dec 12 06:46:59.956 INFO [stderr] 26 |             n: tag!("true") >>
Dec 12 06:46:59.956 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:46:59.956 INFO [stderr] 
Dec 12 06:46:59.956 INFO [stderr] warning: unused variable: `n`
Dec 12 06:46:59.957 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 12 06:46:59.957 INFO [stderr]    |
Dec 12 06:46:59.957 INFO [stderr] 30 |             n: tag!("false") >>
Dec 12 06:46:59.957 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:46:59.957 INFO [stderr] 
Dec 12 06:46:59.958 INFO [stderr] warning: unused variable: `other`
Dec 12 06:46:59.958 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 12 06:46:59.958 INFO [stderr]    |
Dec 12 06:46:59.958 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 12 06:46:59.958 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 12 06:46:59.958 INFO [stderr] 
Dec 12 06:46:59.958 INFO [stderr] warning: unused variable: `func`
Dec 12 06:46:59.958 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 12 06:46:59.958 INFO [stderr]     |
Dec 12 06:46:59.958 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 12 06:46:59.958 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 12 06:46:59.958 INFO [stderr] 
Dec 12 06:47:00.244 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 12 06:47:00.245 INFO [stderr]  --> src/lib.rs:1:54
Dec 12 06:47:00.245 INFO [stderr]   |
Dec 12 06:47:00.245 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 12 06:47:00.245 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 12 06:47:00.246 INFO [stderr]   |
Dec 12 06:47:00.246 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 06:47:00.246 INFO [stderr] 
Dec 12 06:47:00.266 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 12 06:47:00.266 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 12 06:47:00.266 INFO [stderr]    |
Dec 12 06:47:00.267 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 12 06:47:00.267 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:47:00.267 INFO [stderr]    |
Dec 12 06:47:00.268 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 12 06:47:00.268 INFO [stderr] 
Dec 12 06:47:01.693 INFO [stderr] warning: unused variable: `n`
Dec 12 06:47:01.693 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 12 06:47:01.693 INFO [stderr]    |
Dec 12 06:47:01.693 INFO [stderr] 22 |             n: tag!("null") >>
Dec 12 06:47:01.693 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:47:01.693 INFO [stderr]    |
Dec 12 06:47:01.693 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 06:47:01.694 INFO [stderr] 
Dec 12 06:47:01.694 INFO [stderr] warning: unused variable: `n`
Dec 12 06:47:01.694 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 12 06:47:01.694 INFO [stderr]    |
Dec 12 06:47:01.694 INFO [stderr] 26 |             n: tag!("true") >>
Dec 12 06:47:01.694 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:47:01.694 INFO [stderr] 
Dec 12 06:47:01.694 INFO [stderr] warning: unused variable: `n`
Dec 12 06:47:01.694 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 12 06:47:01.694 INFO [stderr]    |
Dec 12 06:47:01.694 INFO [stderr] 30 |             n: tag!("false") >>
Dec 12 06:47:01.694 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:47:01.694 INFO [stderr] 
Dec 12 06:47:01.695 INFO [stderr] warning: unused variable: `other`
Dec 12 06:47:01.695 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 12 06:47:01.695 INFO [stderr]    |
Dec 12 06:47:01.696 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 12 06:47:01.696 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 12 06:47:01.696 INFO [stderr] 
Dec 12 06:47:01.697 INFO [stderr] warning: unused variable: `func`
Dec 12 06:47:01.697 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 12 06:47:01.697 INFO [stderr]     |
Dec 12 06:47:01.697 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 12 06:47:01.698 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 12 06:47:01.698 INFO [stderr] 
Dec 12 06:47:01.884 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 12 06:47:01.885 INFO [stderr]  --> src/main.rs:1:54
Dec 12 06:47:01.885 INFO [stderr]   |
Dec 12 06:47:01.885 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 12 06:47:01.885 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 12 06:47:01.886 INFO [stderr]   |
Dec 12 06:47:01.886 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 06:47:01.886 INFO [stderr] 
Dec 12 06:47:01.893 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 12 06:47:01.893 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 12 06:47:01.893 INFO [stderr]    |
Dec 12 06:47:01.893 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 12 06:47:01.893 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:47:01.893 INFO [stderr]    |
Dec 12 06:47:01.893 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 12 06:47:01.893 INFO [stderr] 
Dec 12 06:47:02.020 INFO [stderr] warning: unused variable: `n`
Dec 12 06:47:02.021 INFO [stderr]   --> src/ast/parse.rs:22:13
Dec 12 06:47:02.021 INFO [stderr]    |
Dec 12 06:47:02.021 INFO [stderr] 22 |             n: tag!("null") >>
Dec 12 06:47:02.021 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:47:02.022 INFO [stderr]    |
Dec 12 06:47:02.022 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 06:47:02.022 INFO [stderr] 
Dec 12 06:47:02.022 INFO [stderr] warning: unused variable: `n`
Dec 12 06:47:02.023 INFO [stderr]   --> src/ast/parse.rs:26:13
Dec 12 06:47:02.023 INFO [stderr]    |
Dec 12 06:47:02.023 INFO [stderr] 26 |             n: tag!("true") >>
Dec 12 06:47:02.023 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:47:02.024 INFO [stderr] 
Dec 12 06:47:02.024 INFO [stderr] warning: unused variable: `n`
Dec 12 06:47:02.024 INFO [stderr]   --> src/ast/parse.rs:30:13
Dec 12 06:47:02.024 INFO [stderr]    |
Dec 12 06:47:02.025 INFO [stderr] 30 |             n: tag!("false") >>
Dec 12 06:47:02.025 INFO [stderr]    |             ^ help: consider using `_n` instead
Dec 12 06:47:02.025 INFO [stderr] 
Dec 12 06:47:02.025 INFO [stderr] warning: unused variable: `other`
Dec 12 06:47:02.026 INFO [stderr]   --> src/ast/function.rs:45:18
Dec 12 06:47:02.026 INFO [stderr]    |
Dec 12 06:47:02.026 INFO [stderr] 45 |     fn eq(&self, other: &Function) -> bool {
Dec 12 06:47:02.026 INFO [stderr]    |                  ^^^^^ help: consider using `_other` instead
Dec 12 06:47:02.027 INFO [stderr] 
Dec 12 06:47:02.027 INFO [stderr] warning: unused variable: `func`
Dec 12 06:47:02.027 INFO [stderr]    --> src/eval/types.rs:110:40
Dec 12 06:47:02.027 INFO [stderr]     |
Dec 12 06:47:02.028 INFO [stderr] 110 |             if let Value::Function(ref func) = frame.borrow().returns {
Dec 12 06:47:02.028 INFO [stderr]     |                                        ^^^^ help: consider using `_func` instead
Dec 12 06:47:02.028 INFO [stderr] 
Dec 12 06:47:02.268 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 12 06:47:02.272 INFO [stderr]  --> src/main.rs:1:54
Dec 12 06:47:02.272 INFO [stderr]   |
Dec 12 06:47:02.272 INFO [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)]
Dec 12 06:47:02.272 INFO [stderr]   |                                                      ^^^^^^^^^^^^^^^^
Dec 12 06:47:02.272 INFO [stderr]   |
Dec 12 06:47:02.272 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 06:47:02.273 INFO [stderr] 
Dec 12 06:47:02.281 INFO [stderr] warning: static variable `next_id` should have an upper case name such as `NEXT_ID`
Dec 12 06:47:02.281 INFO [stderr]   --> src/eval/types.rs:15:1
Dec 12 06:47:02.281 INFO [stderr]    |
Dec 12 06:47:02.281 INFO [stderr] 15 | static mut next_id: i32 = 0;
Dec 12 06:47:02.281 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:47:02.281 INFO [stderr]    |
Dec 12 06:47:02.281 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 12 06:47:02.281 INFO [stderr] 
Dec 12 06:47:02.333 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
Dec 12 06:47:02.336 INFO [stderr] su: No module specific data is present
Dec 12 06:47:03.515 INFO running `"docker" "inspect" "9fa48b04dd2aa139d4adb91fe486c6cd51033e98eeb783f200458a4bb8360e63"`
Dec 12 06:47:03.884 INFO running `"docker" "rm" "-f" "9fa48b04dd2aa139d4adb91fe486c6cd51033e98eeb783f200458a4bb8360e63"`
Dec 12 06:47:04.228 INFO [stdout] 9fa48b04dd2aa139d4adb91fe486c6cd51033e98eeb783f200458a4bb8360e63