Dec 04 23:14:56.713 INFO checking abhijeetbhagat/krum against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 23:14:56.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 23:14:57.235 INFO [stdout] 02b85bc80ba29a47ca0127b01816bb8eb7ed8e906c20490abeb8abde343d9deb
Dec 04 23:14:57.237 INFO running `"docker" "start" "-a" "02b85bc80ba29a47ca0127b01816bb8eb7ed8e906c20490abeb8abde343d9deb"`
Dec 04 23:14:59.403 INFO [stderr] usermod: no changes
Dec 04 23:14:59.447 INFO [stderr]     Checking krum v0.1.0 (/source)
Dec 04 23:15:00.156 INFO [stderr] warning: unreachable expression
Dec 04 23:15:00.156 INFO [stderr]   --> src/parser.rs:44:9
Dec 04 23:15:00.156 INFO [stderr]    |
Dec 04 23:15:00.156 INFO [stderr] 44 |         return exp
Dec 04 23:15:00.156 INFO [stderr]    |         ^^^^^^^^^^
Dec 04 23:15:00.156 INFO [stderr]    |
Dec 04 23:15:00.156 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 04 23:15:00.156 INFO [stderr] 
Dec 04 23:15:00.177 INFO [stderr] warning: unused variable: `exp`
Dec 04 23:15:00.177 INFO [stderr]   --> src/parser.rs:29:17
Dec 04 23:15:00.177 INFO [stderr]    |
Dec 04 23:15:00.177 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Dec 04 23:15:00.177 INFO [stderr]    |                 ^^^ help: consider using `_exp` instead
Dec 04 23:15:00.177 INFO [stderr]    |
Dec 04 23:15:00.177 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:15:00.177 INFO [stderr] 
Dec 04 23:15:00.229 INFO [stderr] warning: variable does not need to be mutable
Dec 04 23:15:00.229 INFO [stderr]   --> src/parser.rs:29:13
Dec 04 23:15:00.229 INFO [stderr]    |
Dec 04 23:15:00.229 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Dec 04 23:15:00.229 INFO [stderr]    |             ----^^^
Dec 04 23:15:00.229 INFO [stderr]    |             |
Dec 04 23:15:00.229 INFO [stderr]    |             help: remove this `mut`
Dec 04 23:15:00.229 INFO [stderr]    |
Dec 04 23:15:00.229 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 23:15:00.229 INFO [stderr] 
Dec 04 23:15:00.229 INFO [stderr] warning: field is never used: `cur_tok_line`
Dec 04 23:15:00.229 INFO [stderr]  --> src/lexer.rs:5:5
Dec 04 23:15:00.229 INFO [stderr]   |
Dec 04 23:15:00.229 INFO [stderr] 5 |     cur_tok_line : usize,
Dec 04 23:15:00.229 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.230 INFO [stderr]   |
Dec 04 23:15:00.230 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 23:15:00.230 INFO [stderr] 
Dec 04 23:15:00.230 INFO [stderr] warning: field is never used: `cur_tok_col`
Dec 04 23:15:00.230 INFO [stderr]  --> src/lexer.rs:6:5
Dec 04 23:15:00.230 INFO [stderr]   |
Dec 04 23:15:00.230 INFO [stderr] 6 |     cur_tok_col : usize,
Dec 04 23:15:00.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.230 INFO [stderr] 
Dec 04 23:15:00.230 INFO [stderr] warning: field is never used: `src_len`
Dec 04 23:15:00.230 INFO [stderr]  --> src/lexer.rs:8:5
Dec 04 23:15:00.230 INFO [stderr]   |
Dec 04 23:15:00.230 INFO [stderr] 8 |     src_len : usize,
Dec 04 23:15:00.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 23:15:00.230 INFO [stderr] 
Dec 04 23:15:00.230 INFO [stderr] warning: field is never used: `expression`
Dec 04 23:15:00.230 INFO [stderr]   --> src/ast.rs:41:5
Dec 04 23:15:00.230 INFO [stderr]    |
Dec 04 23:15:00.230 INFO [stderr] 41 |     expression : Expression
Dec 04 23:15:00.230 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.230 INFO [stderr] 
Dec 04 23:15:00.230 INFO [stderr] warning: field is never used: `cur_tok`
Dec 04 23:15:00.230 INFO [stderr]  --> src/parser.rs:7:5
Dec 04 23:15:00.230 INFO [stderr]   |
Dec 04 23:15:00.230 INFO [stderr] 7 |     cur_tok : Token,
Dec 04 23:15:00.230 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 23:15:00.230 INFO [stderr] 
Dec 04 23:15:00.230 INFO [stderr] warning: method is never used: `parse_program`
Dec 04 23:15:00.230 INFO [stderr]   --> src/parser.rs:47:5
Dec 04 23:15:00.230 INFO [stderr]    |
Dec 04 23:15:00.230 INFO [stderr] 47 |     fn parse_program(&mut self) {
Dec 04 23:15:00.230 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.230 INFO [stderr] 
Dec 04 23:15:00.230 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 04 23:15:00.230 INFO [stderr]  --> src/main.rs:1:12
Dec 04 23:15:00.230 INFO [stderr]   |
Dec 04 23:15:00.230 INFO [stderr] 1 | #![feature(match_default_bindings)]
Dec 04 23:15:00.230 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.230 INFO [stderr]   |
Dec 04 23:15:00.230 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 23:15:00.230 INFO [stderr] 
Dec 04 23:15:00.337 INFO [stderr] warning: unreachable expression
Dec 04 23:15:00.337 INFO [stderr]   --> src/parser.rs:44:9
Dec 04 23:15:00.337 INFO [stderr]    |
Dec 04 23:15:00.337 INFO [stderr] 44 |         return exp
Dec 04 23:15:00.337 INFO [stderr]    |         ^^^^^^^^^^
Dec 04 23:15:00.337 INFO [stderr]    |
Dec 04 23:15:00.337 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 04 23:15:00.337 INFO [stderr] 
Dec 04 23:15:00.373 INFO [stderr] warning: unused variable: `exp`
Dec 04 23:15:00.373 INFO [stderr]   --> src/parser.rs:29:17
Dec 04 23:15:00.373 INFO [stderr]    |
Dec 04 23:15:00.373 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Dec 04 23:15:00.373 INFO [stderr]    |                 ^^^ help: consider using `_exp` instead
Dec 04 23:15:00.374 INFO [stderr]    |
Dec 04 23:15:00.374 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:15:00.374 INFO [stderr] 
Dec 04 23:15:00.452 INFO [stderr] warning: variable does not need to be mutable
Dec 04 23:15:00.452 INFO [stderr]   --> src/parser.rs:29:13
Dec 04 23:15:00.452 INFO [stderr]    |
Dec 04 23:15:00.452 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Dec 04 23:15:00.453 INFO [stderr]    |             ----^^^
Dec 04 23:15:00.453 INFO [stderr]    |             |
Dec 04 23:15:00.453 INFO [stderr]    |             help: remove this `mut`
Dec 04 23:15:00.453 INFO [stderr]    |
Dec 04 23:15:00.453 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 23:15:00.453 INFO [stderr] 
Dec 04 23:15:00.458 INFO [stderr] warning: field is never used: `cur_tok_line`
Dec 04 23:15:00.458 INFO [stderr]  --> src/lexer.rs:5:5
Dec 04 23:15:00.458 INFO [stderr]   |
Dec 04 23:15:00.458 INFO [stderr] 5 |     cur_tok_line : usize,
Dec 04 23:15:00.458 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.458 INFO [stderr]   |
Dec 04 23:15:00.458 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 23:15:00.458 INFO [stderr] 
Dec 04 23:15:00.458 INFO [stderr] warning: field is never used: `cur_tok_col`
Dec 04 23:15:00.458 INFO [stderr]  --> src/lexer.rs:6:5
Dec 04 23:15:00.458 INFO [stderr]   |
Dec 04 23:15:00.459 INFO [stderr] 6 |     cur_tok_col : usize,
Dec 04 23:15:00.459 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.459 INFO [stderr] 
Dec 04 23:15:00.459 INFO [stderr] warning: field is never used: `src_len`
Dec 04 23:15:00.459 INFO [stderr]  --> src/lexer.rs:8:5
Dec 04 23:15:00.459 INFO [stderr]   |
Dec 04 23:15:00.459 INFO [stderr] 8 |     src_len : usize,
Dec 04 23:15:00.459 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 23:15:00.459 INFO [stderr] 
Dec 04 23:15:00.459 INFO [stderr] warning: field is never used: `expression`
Dec 04 23:15:00.460 INFO [stderr]   --> src/ast.rs:41:5
Dec 04 23:15:00.460 INFO [stderr]    |
Dec 04 23:15:00.460 INFO [stderr] 41 |     expression : Expression
Dec 04 23:15:00.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.460 INFO [stderr] 
Dec 04 23:15:00.460 INFO [stderr] warning: field is never used: `cur_tok`
Dec 04 23:15:00.461 INFO [stderr]  --> src/parser.rs:7:5
Dec 04 23:15:00.461 INFO [stderr]   |
Dec 04 23:15:00.461 INFO [stderr] 7 |     cur_tok : Token,
Dec 04 23:15:00.461 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 23:15:00.461 INFO [stderr] 
Dec 04 23:15:00.461 INFO [stderr] warning: method is never used: `parse_program`
Dec 04 23:15:00.461 INFO [stderr]   --> src/parser.rs:47:5
Dec 04 23:15:00.462 INFO [stderr]    |
Dec 04 23:15:00.462 INFO [stderr] 47 |     fn parse_program(&mut self) {
Dec 04 23:15:00.462 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.462 INFO [stderr] 
Dec 04 23:15:00.462 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 04 23:15:00.462 INFO [stderr]  --> src/main.rs:1:12
Dec 04 23:15:00.462 INFO [stderr]   |
Dec 04 23:15:00.462 INFO [stderr] 1 | #![feature(match_default_bindings)]
Dec 04 23:15:00.462 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:15:00.462 INFO [stderr]   |
Dec 04 23:15:00.462 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 23:15:00.462 INFO [stderr] 
Dec 04 23:15:00.498 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 04 23:15:00.505 INFO [stderr] su: No module specific data is present
Dec 04 23:15:02.070 INFO running `"docker" "inspect" "02b85bc80ba29a47ca0127b01816bb8eb7ed8e906c20490abeb8abde343d9deb"`
Dec 04 23:15:02.356 INFO running `"docker" "rm" "-f" "02b85bc80ba29a47ca0127b01816bb8eb7ed8e906c20490abeb8abde343d9deb"`
Dec 04 23:15:02.593 INFO [stdout] 02b85bc80ba29a47ca0127b01816bb8eb7ed8e906c20490abeb8abde343d9deb