Dec 05 00:43:18.178 INFO checking PaulJuliusMartinez/CoolRustCompiler against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:43:18.178 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05 00:43:18.682 INFO [stdout] 7a5a8226d485a1aa3296d8bf1d07425a8e2249267d660abd911853d04ba55173
Dec 05 00:43:18.689 INFO running `"docker" "start" "-a" "7a5a8226d485a1aa3296d8bf1d07425a8e2249267d660abd911853d04ba55173"`
Dec 05 00:43:20.535 INFO [stderr] usermod: no changes
Dec 05 00:43:20.595 INFO [stderr]     Checking cool v0.1.0 (/source)
Dec 05 00:43:21.223 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 05 00:43:21.223 INFO [stderr]  --> src/main.rs:3:5
Dec 05 00:43:21.223 INFO [stderr]   |
Dec 05 00:43:21.223 INFO [stderr] 3 | use std::rc::Rc;
Dec 05 00:43:21.223 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 00:43:21.223 INFO [stderr]   |
Dec 05 00:43:21.223 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:43:21.223 INFO [stderr] 
Dec 05 00:43:21.223 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 05 00:43:21.223 INFO [stderr]  --> src/main.rs:4:5
Dec 05 00:43:21.223 INFO [stderr]   |
Dec 05 00:43:21.223 INFO [stderr] 4 | use std::boxed::Box;
Dec 05 00:43:21.223 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:43:21.223 INFO [stderr] 
Dec 05 00:43:21.223 INFO [stderr] warning: unused import: `ast::*`
Dec 05 00:43:21.223 INFO [stderr]  --> src/main.rs:6:5
Dec 05 00:43:21.223 INFO [stderr]   |
Dec 05 00:43:21.223 INFO [stderr] 6 | use ast::*;
Dec 05 00:43:21.223 INFO [stderr]   |     ^^^^^^
Dec 05 00:43:21.223 INFO [stderr] 
Dec 05 00:43:21.227 INFO [stderr] warning: unused macro definition
Dec 05 00:43:21.227 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 05 00:43:21.227 INFO [stderr]    |
Dec 05 00:43:21.227 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 05 00:43:21.227 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 05 00:43:21.227 INFO [stderr] 55 | |         match *$tok {
Dec 05 00:43:21.227 INFO [stderr] 56 | |             $expected => {
Dec 05 00:43:21.227 INFO [stderr] ...  |
Dec 05 00:43:21.227 INFO [stderr] 65 | |     }}
Dec 05 00:43:21.227 INFO [stderr] 66 | | }
Dec 05 00:43:21.227 INFO [stderr]    | |_^
Dec 05 00:43:21.227 INFO [stderr]    |
Dec 05 00:43:21.227 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 00:43:21.227 INFO [stderr] 
Dec 05 00:43:21.559 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 05 00:43:21.559 INFO [stderr]  --> src/main.rs:3:5
Dec 05 00:43:21.559 INFO [stderr]   |
Dec 05 00:43:21.559 INFO [stderr] 3 | use std::rc::Rc;
Dec 05 00:43:21.559 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 00:43:21.559 INFO [stderr]   |
Dec 05 00:43:21.559 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:43:21.559 INFO [stderr] 
Dec 05 00:43:21.559 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 05 00:43:21.559 INFO [stderr]  --> src/main.rs:4:5
Dec 05 00:43:21.559 INFO [stderr]   |
Dec 05 00:43:21.559 INFO [stderr] 4 | use std::boxed::Box;
Dec 05 00:43:21.559 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:43:21.559 INFO [stderr] 
Dec 05 00:43:21.559 INFO [stderr] warning: unused import: `ast::*`
Dec 05 00:43:21.559 INFO [stderr]  --> src/main.rs:6:5
Dec 05 00:43:21.559 INFO [stderr]   |
Dec 05 00:43:21.559 INFO [stderr] 6 | use ast::*;
Dec 05 00:43:21.563 INFO [stderr]   |     ^^^^^^
Dec 05 00:43:21.563 INFO [stderr] 
Dec 05 00:43:21.563 INFO [stderr] warning: unused macro definition
Dec 05 00:43:21.563 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 05 00:43:21.563 INFO [stderr]    |
Dec 05 00:43:21.563 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 05 00:43:21.563 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 05 00:43:21.563 INFO [stderr] 55 | |         match *$tok {
Dec 05 00:43:21.563 INFO [stderr] 56 | |             $expected => {
Dec 05 00:43:21.563 INFO [stderr] ...  |
Dec 05 00:43:21.563 INFO [stderr] 65 | |     }}
Dec 05 00:43:21.563 INFO [stderr] 66 | | }
Dec 05 00:43:21.563 INFO [stderr]    | |_^
Dec 05 00:43:21.563 INFO [stderr]    |
Dec 05 00:43:21.563 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 00:43:21.563 INFO [stderr] 
Dec 05 00:43:22.463 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 05 00:43:22.463 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 05 00:43:22.463 INFO [stderr]    |
Dec 05 00:43:22.463 INFO [stderr] 71 |     let mut line_no = 0;
Dec 05 00:43:22.463 INFO [stderr]    |             ^^^^^^^
Dec 05 00:43:22.463 INFO [stderr]    |
Dec 05 00:43:22.463 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:43:22.463 INFO [stderr]    = note: consider using `_line_no` instead
Dec 05 00:43:22.463 INFO [stderr] 
Dec 05 00:43:22.463 INFO [stderr] warning: unused variable: `tabs`
Dec 05 00:43:22.463 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 05 00:43:22.463 INFO [stderr]     |
Dec 05 00:43:22.463 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 05 00:43:22.463 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 05 00:43:22.463 INFO [stderr] 
Dec 05 00:43:22.575 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 05 00:43:22.575 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 05 00:43:22.575 INFO [stderr]    |
Dec 05 00:43:22.575 INFO [stderr] 71 |     let mut line_no = 0;
Dec 05 00:43:22.575 INFO [stderr]    |             ^^^^^^^
Dec 05 00:43:22.575 INFO [stderr]    |
Dec 05 00:43:22.575 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:43:22.575 INFO [stderr]    = note: consider using `_line_no` instead
Dec 05 00:43:22.575 INFO [stderr] 
Dec 05 00:43:22.578 INFO [stderr] warning: unused variable: `tabs`
Dec 05 00:43:22.579 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 05 00:43:22.579 INFO [stderr]     |
Dec 05 00:43:22.579 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 05 00:43:22.579 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 05 00:43:22.579 INFO [stderr] 
Dec 05 00:43:23.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
Dec 05 00:43:23.034 INFO [stderr] su: No module specific data is present
Dec 05 00:43:23.656 INFO running `"docker" "inspect" "7a5a8226d485a1aa3296d8bf1d07425a8e2249267d660abd911853d04ba55173"`
Dec 05 00:43:23.781 INFO running `"docker" "rm" "-f" "7a5a8226d485a1aa3296d8bf1d07425a8e2249267d660abd911853d04ba55173"`
Dec 05 00:43:23.884 INFO [stdout] 7a5a8226d485a1aa3296d8bf1d07425a8e2249267d660abd911853d04ba55173