Nov 28 10:11:12.749 INFO checking abhijeetbhagat/krum against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 10:11:12.751 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 10:11:13.254 INFO [stdout] 83d567dd92cb2194014d33fabcdbff1cf04db042a91c3cf2b51f1d10ea08b030
Nov 28 10:11:13.256 INFO running `"docker" "start" "-a" "83d567dd92cb2194014d33fabcdbff1cf04db042a91c3cf2b51f1d10ea08b030"`
Nov 28 10:11:14.573 INFO [stderr] usermod: no changes
Nov 28 10:11:14.657 INFO [stderr]     Checking krum v0.1.0 (/source)
Nov 28 10:11:15.525 INFO [stderr] warning: unreachable expression
Nov 28 10:11:15.525 INFO [stderr]   --> src/parser.rs:44:9
Nov 28 10:11:15.526 INFO [stderr]    |
Nov 28 10:11:15.526 INFO [stderr] 44 |         return exp
Nov 28 10:11:15.526 INFO [stderr]    |         ^^^^^^^^^^
Nov 28 10:11:15.526 INFO [stderr]    |
Nov 28 10:11:15.527 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 28 10:11:15.527 INFO [stderr] 
Nov 28 10:11:15.545 INFO [stderr] warning: unused variable: `exp`
Nov 28 10:11:15.545 INFO [stderr]   --> src/parser.rs:29:17
Nov 28 10:11:15.545 INFO [stderr]    |
Nov 28 10:11:15.546 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Nov 28 10:11:15.546 INFO [stderr]    |                 ^^^ help: consider using `_exp` instead
Nov 28 10:11:15.546 INFO [stderr]    |
Nov 28 10:11:15.547 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:11:15.547 INFO [stderr] 
Nov 28 10:11:15.589 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:11:15.589 INFO [stderr]   --> src/parser.rs:29:13
Nov 28 10:11:15.590 INFO [stderr]    |
Nov 28 10:11:15.590 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Nov 28 10:11:15.590 INFO [stderr]    |             ----^^^
Nov 28 10:11:15.591 INFO [stderr]    |             |
Nov 28 10:11:15.591 INFO [stderr]    |             help: remove this `mut`
Nov 28 10:11:15.591 INFO [stderr]    |
Nov 28 10:11:15.592 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:11:15.592 INFO [stderr] 
Nov 28 10:11:15.592 INFO [stderr] warning: field is never used: `cur_tok_line`
Nov 28 10:11:15.593 INFO [stderr]  --> src/lexer.rs:5:5
Nov 28 10:11:15.593 INFO [stderr]   |
Nov 28 10:11:15.593 INFO [stderr] 5 |     cur_tok_line : usize,
Nov 28 10:11:15.594 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.594 INFO [stderr]   |
Nov 28 10:11:15.594 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 10:11:15.594 INFO [stderr] 
Nov 28 10:11:15.595 INFO [stderr] warning: field is never used: `cur_tok_col`
Nov 28 10:11:15.595 INFO [stderr]  --> src/lexer.rs:6:5
Nov 28 10:11:15.595 INFO [stderr]   |
Nov 28 10:11:15.596 INFO [stderr] 6 |     cur_tok_col : usize,
Nov 28 10:11:15.596 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.596 INFO [stderr] 
Nov 28 10:11:15.597 INFO [stderr] warning: field is never used: `src_len`
Nov 28 10:11:15.597 INFO [stderr]  --> src/lexer.rs:8:5
Nov 28 10:11:15.597 INFO [stderr]   |
Nov 28 10:11:15.597 INFO [stderr] 8 |     src_len : usize,
Nov 28 10:11:15.598 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 10:11:15.598 INFO [stderr] 
Nov 28 10:11:15.598 INFO [stderr] warning: field is never used: `expression`
Nov 28 10:11:15.599 INFO [stderr]   --> src/ast.rs:41:5
Nov 28 10:11:15.599 INFO [stderr]    |
Nov 28 10:11:15.599 INFO [stderr] 41 |     expression : Expression
Nov 28 10:11:15.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.600 INFO [stderr] 
Nov 28 10:11:15.600 INFO [stderr] warning: field is never used: `cur_tok`
Nov 28 10:11:15.600 INFO [stderr]  --> src/parser.rs:7:5
Nov 28 10:11:15.601 INFO [stderr]   |
Nov 28 10:11:15.601 INFO [stderr] 7 |     cur_tok : Token,
Nov 28 10:11:15.601 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 10:11:15.602 INFO [stderr] 
Nov 28 10:11:15.602 INFO [stderr] warning: method is never used: `parse_program`
Nov 28 10:11:15.602 INFO [stderr]   --> src/parser.rs:47:5
Nov 28 10:11:15.603 INFO [stderr]    |
Nov 28 10:11:15.603 INFO [stderr] 47 |     fn parse_program(&mut self) {
Nov 28 10:11:15.603 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.603 INFO [stderr] 
Nov 28 10:11:15.604 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 10:11:15.604 INFO [stderr]  --> src/main.rs:1:12
Nov 28 10:11:15.604 INFO [stderr]   |
Nov 28 10:11:15.604 INFO [stderr] 1 | #![feature(match_default_bindings)]
Nov 28 10:11:15.605 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.605 INFO [stderr]   |
Nov 28 10:11:15.605 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 10:11:15.606 INFO [stderr] 
Nov 28 10:11:15.625 INFO [stderr] warning: unreachable expression
Nov 28 10:11:15.625 INFO [stderr]   --> src/parser.rs:44:9
Nov 28 10:11:15.626 INFO [stderr]    |
Nov 28 10:11:15.626 INFO [stderr] 44 |         return exp
Nov 28 10:11:15.626 INFO [stderr]    |         ^^^^^^^^^^
Nov 28 10:11:15.626 INFO [stderr]    |
Nov 28 10:11:15.627 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 28 10:11:15.627 INFO [stderr] 
Nov 28 10:11:15.644 INFO [stderr] warning: unused variable: `exp`
Nov 28 10:11:15.644 INFO [stderr]   --> src/parser.rs:29:17
Nov 28 10:11:15.644 INFO [stderr]    |
Nov 28 10:11:15.644 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Nov 28 10:11:15.644 INFO [stderr]    |                 ^^^ help: consider using `_exp` instead
Nov 28 10:11:15.644 INFO [stderr]    |
Nov 28 10:11:15.644 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:11:15.644 INFO [stderr] 
Nov 28 10:11:15.700 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:11:15.700 INFO [stderr]   --> src/parser.rs:29:13
Nov 28 10:11:15.700 INFO [stderr]    |
Nov 28 10:11:15.700 INFO [stderr] 29 |         let mut exp = match self.get_cur_tok() {
Nov 28 10:11:15.700 INFO [stderr]    |             ----^^^
Nov 28 10:11:15.700 INFO [stderr]    |             |
Nov 28 10:11:15.700 INFO [stderr]    |             help: remove this `mut`
Nov 28 10:11:15.700 INFO [stderr]    |
Nov 28 10:11:15.700 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:11:15.700 INFO [stderr] 
Nov 28 10:11:15.704 INFO [stderr] warning: field is never used: `cur_tok_line`
Nov 28 10:11:15.704 INFO [stderr]  --> src/lexer.rs:5:5
Nov 28 10:11:15.704 INFO [stderr]   |
Nov 28 10:11:15.704 INFO [stderr] 5 |     cur_tok_line : usize,
Nov 28 10:11:15.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.704 INFO [stderr]   |
Nov 28 10:11:15.704 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 10:11:15.704 INFO [stderr] 
Nov 28 10:11:15.704 INFO [stderr] warning: field is never used: `cur_tok_col`
Nov 28 10:11:15.704 INFO [stderr]  --> src/lexer.rs:6:5
Nov 28 10:11:15.704 INFO [stderr]   |
Nov 28 10:11:15.704 INFO [stderr] 6 |     cur_tok_col : usize,
Nov 28 10:11:15.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.704 INFO [stderr] 
Nov 28 10:11:15.704 INFO [stderr] warning: field is never used: `src_len`
Nov 28 10:11:15.704 INFO [stderr]  --> src/lexer.rs:8:5
Nov 28 10:11:15.704 INFO [stderr]   |
Nov 28 10:11:15.705 INFO [stderr] 8 |     src_len : usize,
Nov 28 10:11:15.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 10:11:15.705 INFO [stderr] 
Nov 28 10:11:15.705 INFO [stderr] warning: field is never used: `expression`
Nov 28 10:11:15.705 INFO [stderr]   --> src/ast.rs:41:5
Nov 28 10:11:15.705 INFO [stderr]    |
Nov 28 10:11:15.705 INFO [stderr] 41 |     expression : Expression
Nov 28 10:11:15.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.705 INFO [stderr] 
Nov 28 10:11:15.705 INFO [stderr] warning: field is never used: `cur_tok`
Nov 28 10:11:15.705 INFO [stderr]  --> src/parser.rs:7:5
Nov 28 10:11:15.705 INFO [stderr]   |
Nov 28 10:11:15.705 INFO [stderr] 7 |     cur_tok : Token,
Nov 28 10:11:15.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 10:11:15.705 INFO [stderr] 
Nov 28 10:11:15.705 INFO [stderr] warning: method is never used: `parse_program`
Nov 28 10:11:15.705 INFO [stderr]   --> src/parser.rs:47:5
Nov 28 10:11:15.705 INFO [stderr]    |
Nov 28 10:11:15.705 INFO [stderr] 47 |     fn parse_program(&mut self) {
Nov 28 10:11:15.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.705 INFO [stderr] 
Nov 28 10:11:15.705 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 10:11:15.705 INFO [stderr]  --> src/main.rs:1:12
Nov 28 10:11:15.705 INFO [stderr]   |
Nov 28 10:11:15.705 INFO [stderr] 1 | #![feature(match_default_bindings)]
Nov 28 10:11:15.705 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 10:11:15.705 INFO [stderr]   |
Nov 28 10:11:15.705 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 10:11:15.705 INFO [stderr] 
Nov 28 10:11:15.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Nov 28 10:11:15.743 INFO [stderr] su: No module specific data is present
Nov 28 10:11:16.428 INFO running `"docker" "inspect" "83d567dd92cb2194014d33fabcdbff1cf04db042a91c3cf2b51f1d10ea08b030"`
Nov 28 10:11:16.802 INFO running `"docker" "rm" "-f" "83d567dd92cb2194014d33fabcdbff1cf04db042a91c3cf2b51f1d10ea08b030"`
Nov 28 10:11:17.152 INFO [stdout] 83d567dd92cb2194014d33fabcdbff1cf04db042a91c3cf2b51f1d10ea08b030