Dec 17 23:15:33.656 INFO checking hnkz/minic_rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:15:33.656 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/hnkz/minic_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:15:34.066 INFO [stdout] 0f444fa7730f797c800d09afb8b259a8802e5cfda8b16e8d9c55744dba9ca716
Dec 17 23:15:34.068 INFO running `"docker" "start" "-a" "0f444fa7730f797c800d09afb8b259a8802e5cfda8b16e8d9c55744dba9ca716"`
Dec 17 23:15:35.008 INFO [stderr]     Checking mini_c v0.1.0 (/opt/crater/workdir)
Dec 17 23:15:35.130 INFO [stderr] warning: unused import: `super::token::Token`
Dec 17 23:15:35.130 INFO [stderr]  --> src/token_rule.rs:1:5
Dec 17 23:15:35.130 INFO [stderr]   |
Dec 17 23:15:35.130 INFO [stderr] 1 | use super::token::Token;
Dec 17 23:15:35.130 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 23:15:35.130 INFO [stderr]   |
Dec 17 23:15:35.130 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:15:35.130 INFO [stderr] 
Dec 17 23:15:35.185 INFO [stderr] warning: unused import: `super::token::Token`
Dec 17 23:15:35.185 INFO [stderr]  --> src/token_rule.rs:1:5
Dec 17 23:15:35.185 INFO [stderr]   |
Dec 17 23:15:35.185 INFO [stderr] 1 | use super::token::Token;
Dec 17 23:15:35.185 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 23:15:35.185 INFO [stderr]   |
Dec 17 23:15:35.185 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:15:35.185 INFO [stderr] 
Dec 17 23:15:35.224 INFO [stderr] warning: unused variable: `len`
Dec 17 23:15:35.224 INFO [stderr]   --> src/io_context.rs:40:13
Dec 17 23:15:35.224 INFO [stderr]    |
Dec 17 23:15:35.224 INFO [stderr] 40 |         let len = match self.input.read_line(&mut buf) {
Dec 17 23:15:35.224 INFO [stderr]    |             ^^^ help: consider using `_len` instead
Dec 17 23:15:35.224 INFO [stderr]    |
Dec 17 23:15:35.224 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:15:35.224 INFO [stderr] 
Dec 17 23:15:35.224 INFO [stderr] warning: unused variable: `output`
Dec 17 23:15:35.224 INFO [stderr]   --> src/io_context.rs:51:31
Dec 17 23:15:35.224 INFO [stderr]    |
Dec 17 23:15:35.224 INFO [stderr] 51 |     pub fn output_code(&self, output: Vec<u8>) {
Dec 17 23:15:35.224 INFO [stderr]    |                               ^^^^^^ help: consider using `_output` instead
Dec 17 23:15:35.224 INFO [stderr] 
Dec 17 23:15:35.258 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:15:35.258 INFO [stderr]   --> src/token_rule.rs:70:13
Dec 17 23:15:35.258 INFO [stderr]    |
Dec 17 23:15:35.258 INFO [stderr] 70 |         let mut rule = Vec::<String>::new();
Dec 17 23:15:35.258 INFO [stderr]    |             ----^^^^
Dec 17 23:15:35.258 INFO [stderr]    |             |
Dec 17 23:15:35.258 INFO [stderr]    |             help: remove this `mut`
Dec 17 23:15:35.258 INFO [stderr]    |
Dec 17 23:15:35.258 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:15:35.258 INFO [stderr] 
Dec 17 23:15:35.264 INFO [stderr] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 17 23:15:35.264 INFO [stderr]  --> src/lib.rs:1:12
Dec 17 23:15:35.264 INFO [stderr]   |
Dec 17 23:15:35.264 INFO [stderr] 1 | #![feature(dbg_macro)]
Dec 17 23:15:35.264 INFO [stderr]   |            ^^^^^^^^^
Dec 17 23:15:35.264 INFO [stderr]   |
Dec 17 23:15:35.264 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 23:15:35.264 INFO [stderr] 
Dec 17 23:15:35.276 INFO [stderr] warning: unused variable: `len`
Dec 17 23:15:35.276 INFO [stderr]   --> src/io_context.rs:40:13
Dec 17 23:15:35.276 INFO [stderr]    |
Dec 17 23:15:35.276 INFO [stderr] 40 |         let len = match self.input.read_line(&mut buf) {
Dec 17 23:15:35.276 INFO [stderr]    |             ^^^ help: consider using `_len` instead
Dec 17 23:15:35.276 INFO [stderr]    |
Dec 17 23:15:35.276 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:15:35.276 INFO [stderr] 
Dec 17 23:15:35.280 INFO [stderr] warning: unused variable: `output`
Dec 17 23:15:35.280 INFO [stderr]   --> src/io_context.rs:51:31
Dec 17 23:15:35.280 INFO [stderr]    |
Dec 17 23:15:35.280 INFO [stderr] 51 |     pub fn output_code(&self, output: Vec<u8>) {
Dec 17 23:15:35.280 INFO [stderr]    |                               ^^^^^^ help: consider using `_output` instead
Dec 17 23:15:35.280 INFO [stderr] 
Dec 17 23:15:35.308 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:15:35.308 INFO [stderr]   --> src/token_rule.rs:70:13
Dec 17 23:15:35.308 INFO [stderr]    |
Dec 17 23:15:35.308 INFO [stderr] 70 |         let mut rule = Vec::<String>::new();
Dec 17 23:15:35.308 INFO [stderr]    |             ----^^^^
Dec 17 23:15:35.308 INFO [stderr]    |             |
Dec 17 23:15:35.308 INFO [stderr]    |             help: remove this `mut`
Dec 17 23:15:35.308 INFO [stderr]    |
Dec 17 23:15:35.308 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:15:35.308 INFO [stderr] 
Dec 17 23:15:35.308 INFO [stderr] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 17 23:15:35.308 INFO [stderr]  --> src/lib.rs:1:12
Dec 17 23:15:35.308 INFO [stderr]   |
Dec 17 23:15:35.308 INFO [stderr] 1 | #![feature(dbg_macro)]
Dec 17 23:15:35.308 INFO [stderr]   |            ^^^^^^^^^
Dec 17 23:15:35.308 INFO [stderr]   |
Dec 17 23:15:35.308 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 23:15:35.309 INFO [stderr] 
Dec 17 23:15:35.459 INFO [stderr] warning: unused import: `mini_c::token::Token`
Dec 17 23:15:35.459 INFO [stderr]  --> src/main.rs:7:5
Dec 17 23:15:35.459 INFO [stderr]   |
Dec 17 23:15:35.459 INFO [stderr] 7 | use mini_c::token::Token;
Dec 17 23:15:35.459 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 23:15:35.459 INFO [stderr]   |
Dec 17 23:15:35.459 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:15:35.459 INFO [stderr] 
Dec 17 23:15:35.459 INFO [stderr] warning: unused import: `mini_c::parse::cprogram::CProgram`
Dec 17 23:15:35.459 INFO [stderr]  --> src/main.rs:8:5
Dec 17 23:15:35.459 INFO [stderr]   |
Dec 17 23:15:35.459 INFO [stderr] 8 | use mini_c::parse::cprogram::CProgram;
Dec 17 23:15:35.459 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:15:35.459 INFO [stderr] 
Dec 17 23:15:35.489 INFO [stderr] warning: unused import: `mini_c::token::Token`
Dec 17 23:15:35.489 INFO [stderr]  --> src/main.rs:7:5
Dec 17 23:15:35.489 INFO [stderr]   |
Dec 17 23:15:35.489 INFO [stderr] 7 | use mini_c::token::Token;
Dec 17 23:15:35.489 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 23:15:35.489 INFO [stderr]   |
Dec 17 23:15:35.489 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:15:35.489 INFO [stderr] 
Dec 17 23:15:35.489 INFO [stderr] warning: unused import: `mini_c::parse::cprogram::CProgram`
Dec 17 23:15:35.489 INFO [stderr]  --> src/main.rs:8:5
Dec 17 23:15:35.489 INFO [stderr]   |
Dec 17 23:15:35.489 INFO [stderr] 8 | use mini_c::parse::cprogram::CProgram;
Dec 17 23:15:35.489 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:15:35.489 INFO [stderr] 
Dec 17 23:15:35.497 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:15:35.497 INFO [stderr]   --> src/main.rs:36:9
Dec 17 23:15:35.497 INFO [stderr]    |
Dec 17 23:15:35.497 INFO [stderr] 36 |     let mut tokens= tokenizer.get_tokens(&mut ioctx);
Dec 17 23:15:35.497 INFO [stderr]    |         ----^^^^^^
Dec 17 23:15:35.497 INFO [stderr]    |         |
Dec 17 23:15:35.497 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:15:35.497 INFO [stderr]    |
Dec 17 23:15:35.497 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:15:35.497 INFO [stderr] 
Dec 17 23:15:35.498 INFO [stderr] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 17 23:15:35.498 INFO [stderr]  --> src/main.rs:1:12
Dec 17 23:15:35.498 INFO [stderr]   |
Dec 17 23:15:35.498 INFO [stderr] 1 | #![feature(dbg_macro)]
Dec 17 23:15:35.498 INFO [stderr]   |            ^^^^^^^^^
Dec 17 23:15:35.498 INFO [stderr]   |
Dec 17 23:15:35.498 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 23:15:35.498 INFO [stderr] 
Dec 17 23:15:35.534 INFO [stderr] warning: variable does not need to be mutable
Dec 17 23:15:35.534 INFO [stderr]   --> src/main.rs:36:9
Dec 17 23:15:35.534 INFO [stderr]    |
Dec 17 23:15:35.534 INFO [stderr] 36 |     let mut tokens= tokenizer.get_tokens(&mut ioctx);
Dec 17 23:15:35.534 INFO [stderr]    |         ----^^^^^^
Dec 17 23:15:35.534 INFO [stderr]    |         |
Dec 17 23:15:35.534 INFO [stderr]    |         help: remove this `mut`
Dec 17 23:15:35.535 INFO [stderr]    |
Dec 17 23:15:35.535 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 23:15:35.536 INFO [stderr] 
Dec 17 23:15:35.537 INFO [stderr] warning: the feature `dbg_macro` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 17 23:15:35.537 INFO [stderr]  --> src/main.rs:1:12
Dec 17 23:15:35.537 INFO [stderr]   |
Dec 17 23:15:35.537 INFO [stderr] 1 | #![feature(dbg_macro)]
Dec 17 23:15:35.537 INFO [stderr]   |            ^^^^^^^^^
Dec 17 23:15:35.537 INFO [stderr]   |
Dec 17 23:15:35.537 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 23:15:35.537 INFO [stderr] 
Dec 17 23:15:35.555 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 17 23:15:35.896 INFO running `"docker" "inspect" "0f444fa7730f797c800d09afb8b259a8802e5cfda8b16e8d9c55744dba9ca716"`
Dec 17 23:15:36.088 INFO running `"docker" "rm" "-f" "0f444fa7730f797c800d09afb8b259a8802e5cfda8b16e8d9c55744dba9ca716"`
Dec 17 23:15:36.160 INFO [stdout] 0f444fa7730f797c800d09afb8b259a8802e5cfda8b16e8d9c55744dba9ca716