Nov 28 04:21:46.626 INFO checking hnkz/minic_rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 04:21:46.626 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 04:21:47.110 INFO [stdout] 20347b9c2b9291c5ec3d6bf018bd32ebc4a6d869224366d819b655051a1ff950
Nov 28 04:21:47.112 INFO running `"docker" "start" "-a" "20347b9c2b9291c5ec3d6bf018bd32ebc4a6d869224366d819b655051a1ff950"`
Nov 28 04:21:48.392 INFO [stderr] usermod: no changes
Nov 28 04:21:48.437 INFO [stderr]     Checking mini_c v0.1.0 (/source)
Nov 28 04:21:48.933 INFO [stderr] warning: unused import: `super::token::Token`
Nov 28 04:21:48.933 INFO [stderr]  --> src/token_rule.rs:1:5
Nov 28 04:21:48.933 INFO [stderr]   |
Nov 28 04:21:48.933 INFO [stderr] 1 | use super::token::Token;
Nov 28 04:21:48.933 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 04:21:48.934 INFO [stderr]   |
Nov 28 04:21:48.934 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:21:48.934 INFO [stderr] 
Nov 28 04:21:49.124 INFO [stderr] warning: unused import: `super::token::Token`
Nov 28 04:21:49.124 INFO [stderr]  --> src/token_rule.rs:1:5
Nov 28 04:21:49.124 INFO [stderr]   |
Nov 28 04:21:49.124 INFO [stderr] 1 | use super::token::Token;
Nov 28 04:21:49.124 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 04:21:49.124 INFO [stderr]   |
Nov 28 04:21:49.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:21:49.124 INFO [stderr] 
Nov 28 04:21:49.136 INFO [stderr] warning: unused variable: `len`
Nov 28 04:21:49.136 INFO [stderr]   --> src/io_context.rs:40:13
Nov 28 04:21:49.136 INFO [stderr]    |
Nov 28 04:21:49.136 INFO [stderr] 40 |         let len = match self.input.read_line(&mut buf) {
Nov 28 04:21:49.136 INFO [stderr]    |             ^^^ help: consider using `_len` instead
Nov 28 04:21:49.136 INFO [stderr]    |
Nov 28 04:21:49.136 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 04:21:49.136 INFO [stderr] 
Nov 28 04:21:49.136 INFO [stderr] warning: unused variable: `output`
Nov 28 04:21:49.136 INFO [stderr]   --> src/io_context.rs:51:31
Nov 28 04:21:49.136 INFO [stderr]    |
Nov 28 04:21:49.136 INFO [stderr] 51 |     pub fn output_code(&self, output: Vec<u8>) {
Nov 28 04:21:49.136 INFO [stderr]    |                               ^^^^^^ help: consider using `_output` instead
Nov 28 04:21:49.136 INFO [stderr] 
Nov 28 04:21:49.164 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:21:49.164 INFO [stderr]   --> src/token_rule.rs:70:13
Nov 28 04:21:49.164 INFO [stderr]    |
Nov 28 04:21:49.164 INFO [stderr] 70 |         let mut rule = Vec::<String>::new();
Nov 28 04:21:49.164 INFO [stderr]    |             ----^^^^
Nov 28 04:21:49.164 INFO [stderr]    |             |
Nov 28 04:21:49.164 INFO [stderr]    |             help: remove this `mut`
Nov 28 04:21:49.164 INFO [stderr]    |
Nov 28 04:21:49.164 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 04:21:49.164 INFO [stderr] 
Nov 28 04:21:49.319 INFO [stderr] warning: unused variable: `len`
Nov 28 04:21:49.319 INFO [stderr]   --> src/io_context.rs:40:13
Nov 28 04:21:49.319 INFO [stderr]    |
Nov 28 04:21:49.319 INFO [stderr] 40 |         let len = match self.input.read_line(&mut buf) {
Nov 28 04:21:49.319 INFO [stderr]    |             ^^^ help: consider using `_len` instead
Nov 28 04:21:49.319 INFO [stderr]    |
Nov 28 04:21:49.320 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 04:21:49.320 INFO [stderr] 
Nov 28 04:21:49.320 INFO [stderr] warning: unused variable: `output`
Nov 28 04:21:49.320 INFO [stderr]   --> src/io_context.rs:51:31
Nov 28 04:21:49.320 INFO [stderr]    |
Nov 28 04:21:49.320 INFO [stderr] 51 |     pub fn output_code(&self, output: Vec<u8>) {
Nov 28 04:21:49.320 INFO [stderr]    |                               ^^^^^^ help: consider using `_output` instead
Nov 28 04:21:49.320 INFO [stderr] 
Nov 28 04:21:49.372 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:21:49.372 INFO [stderr]   --> src/token_rule.rs:70:13
Nov 28 04:21:49.372 INFO [stderr]    |
Nov 28 04:21:49.372 INFO [stderr] 70 |         let mut rule = Vec::<String>::new();
Nov 28 04:21:49.372 INFO [stderr]    |             ----^^^^
Nov 28 04:21:49.372 INFO [stderr]    |             |
Nov 28 04:21:49.372 INFO [stderr]    |             help: remove this `mut`
Nov 28 04:21:49.372 INFO [stderr]    |
Nov 28 04:21:49.372 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 04:21:49.372 INFO [stderr] 
Nov 28 04:21:49.681 INFO [stderr] warning: unused import: `mini_c::token::Token`
Nov 28 04:21:49.681 INFO [stderr]  --> src/main.rs:7:5
Nov 28 04:21:49.681 INFO [stderr]   |
Nov 28 04:21:49.682 INFO [stderr] 7 | use mini_c::token::Token;
Nov 28 04:21:49.682 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 04:21:49.682 INFO [stderr]   |
Nov 28 04:21:49.683 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:21:49.683 INFO [stderr] 
Nov 28 04:21:49.683 INFO [stderr] warning: unused import: `mini_c::parse::cprogram::CProgram`
Nov 28 04:21:49.683 INFO [stderr]  --> src/main.rs:8:5
Nov 28 04:21:49.684 INFO [stderr]   |
Nov 28 04:21:49.684 INFO [stderr] 8 | use mini_c::parse::cprogram::CProgram;
Nov 28 04:21:49.684 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:21:49.685 INFO [stderr] 
Nov 28 04:21:49.705 INFO [stderr] warning: unused import: `mini_c::token::Token`
Nov 28 04:21:49.705 INFO [stderr]  --> src/main.rs:7:5
Nov 28 04:21:49.705 INFO [stderr]   |
Nov 28 04:21:49.706 INFO [stderr] 7 | use mini_c::token::Token;
Nov 28 04:21:49.706 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 04:21:49.706 INFO [stderr]   |
Nov 28 04:21:49.706 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:21:49.707 INFO [stderr] 
Nov 28 04:21:49.707 INFO [stderr] warning: unused import: `mini_c::parse::cprogram::CProgram`
Nov 28 04:21:49.707 INFO [stderr]  --> src/main.rs:8:5
Nov 28 04:21:49.707 INFO [stderr]   |
Nov 28 04:21:49.708 INFO [stderr] 8 | use mini_c::parse::cprogram::CProgram;
Nov 28 04:21:49.708 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:21:49.708 INFO [stderr] 
Nov 28 04:21:49.727 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:21:49.728 INFO [stderr]   --> src/main.rs:36:9
Nov 28 04:21:49.728 INFO [stderr]    |
Nov 28 04:21:49.728 INFO [stderr] 36 |     let mut tokens= tokenizer.get_tokens(&mut ioctx);
Nov 28 04:21:49.728 INFO [stderr]    |         ----^^^^^^
Nov 28 04:21:49.728 INFO [stderr]    |         |
Nov 28 04:21:49.729 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:21:49.729 INFO [stderr]    |
Nov 28 04:21:49.729 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 04:21:49.729 INFO [stderr] 
Nov 28 04:21:49.748 INFO [stderr] warning: variable does not need to be mutable
Nov 28 04:21:49.748 INFO [stderr]   --> src/main.rs:36:9
Nov 28 04:21:49.748 INFO [stderr]    |
Nov 28 04:21:49.749 INFO [stderr] 36 |     let mut tokens= tokenizer.get_tokens(&mut ioctx);
Nov 28 04:21:49.749 INFO [stderr]    |         ----^^^^^^
Nov 28 04:21:49.749 INFO [stderr]    |         |
Nov 28 04:21:49.749 INFO [stderr]    |         help: remove this `mut`
Nov 28 04:21:49.749 INFO [stderr]    |
Nov 28 04:21:49.749 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 04:21:49.749 INFO [stderr] 
Nov 28 04:21:49.773 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Nov 28 04:21:49.777 INFO [stderr] su: No module specific data is present
Nov 28 04:21:51.136 INFO running `"docker" "inspect" "20347b9c2b9291c5ec3d6bf018bd32ebc4a6d869224366d819b655051a1ff950"`
Nov 28 04:21:51.522 INFO running `"docker" "rm" "-f" "20347b9c2b9291c5ec3d6bf018bd32ebc4a6d869224366d819b655051a1ff950"`
Nov 28 04:21:51.756 INFO [stdout] 20347b9c2b9291c5ec3d6bf018bd32ebc4a6d869224366d819b655051a1ff950