Dec 14 07:02:42.834 INFO testing PaulJuliusMartinez/CoolRustCompiler against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:02:42.834 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 07:02:43.050 INFO [stdout] 9cb473fbeacf6119a90ea8944a0f7c14ea101e07cff1288b83fca0477f5dfa26
Dec 14 07:02:43.056 INFO running `"docker" "start" "-a" "9cb473fbeacf6119a90ea8944a0f7c14ea101e07cff1288b83fca0477f5dfa26"`
Dec 14 07:02:44.345 INFO [stderr] usermod: no changes
Dec 14 07:02:44.407 INFO [stderr]    Compiling cool v0.1.0 (/source)
Dec 14 07:02:44.951 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 14 07:02:44.951 INFO [stderr]  --> src/main.rs:3:5
Dec 14 07:02:44.951 INFO [stderr]   |
Dec 14 07:02:44.951 INFO [stderr] 3 | use std::rc::Rc;
Dec 14 07:02:44.951 INFO [stderr]   |     ^^^^^^^^^^^
Dec 14 07:02:44.951 INFO [stderr]   |
Dec 14 07:02:44.951 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:02:44.951 INFO [stderr] 
Dec 14 07:02:44.951 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 14 07:02:44.951 INFO [stderr]  --> src/main.rs:4:5
Dec 14 07:02:44.951 INFO [stderr]   |
Dec 14 07:02:44.951 INFO [stderr] 4 | use std::boxed::Box;
Dec 14 07:02:44.951 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 07:02:44.951 INFO [stderr] 
Dec 14 07:02:44.951 INFO [stderr] warning: unused import: `ast::*`
Dec 14 07:02:44.951 INFO [stderr]  --> src/main.rs:6:5
Dec 14 07:02:44.951 INFO [stderr]   |
Dec 14 07:02:44.951 INFO [stderr] 6 | use ast::*;
Dec 14 07:02:44.951 INFO [stderr]   |     ^^^^^^
Dec 14 07:02:44.951 INFO [stderr] 
Dec 14 07:02:44.951 INFO [stderr] warning: unused macro definition
Dec 14 07:02:44.951 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 14 07:02:44.951 INFO [stderr]    |
Dec 14 07:02:44.951 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 14 07:02:44.951 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 14 07:02:44.951 INFO [stderr] 55 | |         match *$tok {
Dec 14 07:02:44.951 INFO [stderr] 56 | |             $expected => {
Dec 14 07:02:44.951 INFO [stderr] ...  |
Dec 14 07:02:44.951 INFO [stderr] 65 | |     }}
Dec 14 07:02:44.951 INFO [stderr] 66 | | }
Dec 14 07:02:44.951 INFO [stderr]    | |_^
Dec 14 07:02:44.951 INFO [stderr]    |
Dec 14 07:02:44.951 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 14 07:02:44.951 INFO [stderr] 
Dec 14 07:02:45.779 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 14 07:02:45.780 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 14 07:02:45.780 INFO [stderr]    |
Dec 14 07:02:45.783 INFO [stderr] 71 |     let mut line_no = 0;
Dec 14 07:02:45.783 INFO [stderr]    |             ^^^^^^^
Dec 14 07:02:45.783 INFO [stderr]    |
Dec 14 07:02:45.783 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 07:02:45.783 INFO [stderr]    = note: consider using `_line_no` instead
Dec 14 07:02:45.783 INFO [stderr] 
Dec 14 07:02:45.783 INFO [stderr] warning: unused variable: `tabs`
Dec 14 07:02:45.783 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 14 07:02:45.783 INFO [stderr]     |
Dec 14 07:02:45.783 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 14 07:02:45.783 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 14 07:02:45.783 INFO [stderr] 
Dec 14 07:02:48.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
Dec 14 07:02:48.282 INFO [stderr] su: No module specific data is present
Dec 14 07:02:49.017 INFO running `"docker" "inspect" "9cb473fbeacf6119a90ea8944a0f7c14ea101e07cff1288b83fca0477f5dfa26"`
Dec 14 07:02:49.259 INFO running `"docker" "rm" "-f" "9cb473fbeacf6119a90ea8944a0f7c14ea101e07cff1288b83fca0477f5dfa26"`
Dec 14 07:02:49.571 INFO [stdout] 9cb473fbeacf6119a90ea8944a0f7c14ea101e07cff1288b83fca0477f5dfa26
Dec 14 07:02:49.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 07:02:50.083 INFO [stdout] f39ec43f357dea03468d007763f525cdad9c96df94155690e63c54372dfb941a
Dec 14 07:02:50.095 INFO running `"docker" "start" "-a" "f39ec43f357dea03468d007763f525cdad9c96df94155690e63c54372dfb941a"`
Dec 14 07:02:51.332 INFO [stderr] usermod: no changes
Dec 14 07:02:51.371 INFO [stderr]    Compiling cool v0.1.0 (/source)
Dec 14 07:02:51.983 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 14 07:02:51.983 INFO [stderr]  --> src/main.rs:3:5
Dec 14 07:02:51.983 INFO [stderr]   |
Dec 14 07:02:51.983 INFO [stderr] 3 | use std::rc::Rc;
Dec 14 07:02:51.983 INFO [stderr]   |     ^^^^^^^^^^^
Dec 14 07:02:51.983 INFO [stderr]   |
Dec 14 07:02:51.983 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 07:02:51.983 INFO [stderr] 
Dec 14 07:02:51.983 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 14 07:02:51.983 INFO [stderr]  --> src/main.rs:4:5
Dec 14 07:02:51.983 INFO [stderr]   |
Dec 14 07:02:51.983 INFO [stderr] 4 | use std::boxed::Box;
Dec 14 07:02:51.983 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 07:02:51.983 INFO [stderr] 
Dec 14 07:02:51.983 INFO [stderr] warning: unused import: `ast::*`
Dec 14 07:02:51.983 INFO [stderr]  --> src/main.rs:6:5
Dec 14 07:02:51.983 INFO [stderr]   |
Dec 14 07:02:51.983 INFO [stderr] 6 | use ast::*;
Dec 14 07:02:51.983 INFO [stderr]   |     ^^^^^^
Dec 14 07:02:51.983 INFO [stderr] 
Dec 14 07:02:51.983 INFO [stderr] warning: unused macro definition
Dec 14 07:02:51.983 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 14 07:02:51.983 INFO [stderr]    |
Dec 14 07:02:51.983 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 14 07:02:51.983 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 14 07:02:51.983 INFO [stderr] 55 | |         match *$tok {
Dec 14 07:02:51.983 INFO [stderr] 56 | |             $expected => {
Dec 14 07:02:51.983 INFO [stderr] ...  |
Dec 14 07:02:51.983 INFO [stderr] 65 | |     }}
Dec 14 07:02:51.983 INFO [stderr] 66 | | }
Dec 14 07:02:51.983 INFO [stderr]    | |_^
Dec 14 07:02:51.983 INFO [stderr]    |
Dec 14 07:02:51.983 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 14 07:02:51.983 INFO [stderr] 
Dec 14 07:02:52.701 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 14 07:02:52.701 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 14 07:02:52.701 INFO [stderr]    |
Dec 14 07:02:52.702 INFO [stderr] 71 |     let mut line_no = 0;
Dec 14 07:02:52.702 INFO [stderr]    |             ^^^^^^^
Dec 14 07:02:52.702 INFO [stderr]    |
Dec 14 07:02:52.702 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 07:02:52.702 INFO [stderr]    = note: consider using `_line_no` instead
Dec 14 07:02:52.702 INFO [stderr] 
Dec 14 07:02:52.702 INFO [stderr] warning: unused variable: `tabs`
Dec 14 07:02:52.702 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 14 07:02:52.702 INFO [stderr]     |
Dec 14 07:02:52.702 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 14 07:02:52.702 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 14 07:02:52.702 INFO [stderr] 
Dec 14 07:02:53.224 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Dec 14 07:02:53.227 INFO [stderr] su: No module specific data is present
Dec 14 07:02:53.633 INFO running `"docker" "inspect" "f39ec43f357dea03468d007763f525cdad9c96df94155690e63c54372dfb941a"`
Dec 14 07:02:53.852 INFO running `"docker" "rm" "-f" "f39ec43f357dea03468d007763f525cdad9c96df94155690e63c54372dfb941a"`
Dec 14 07:02:54.095 INFO [stdout] f39ec43f357dea03468d007763f525cdad9c96df94155690e63c54372dfb941a
Dec 14 07:02:54.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 07:02:54.548 INFO [stdout] b8af8fcbb2f03758bcd1e29f15d0f183a733ad4d46aa411d2ba19f611ac8d346
Dec 14 07:02:54.552 INFO running `"docker" "start" "-a" "b8af8fcbb2f03758bcd1e29f15d0f183a733ad4d46aa411d2ba19f611ac8d346"`
Dec 14 07:02:55.276 INFO [stderr] usermod: no changes
Dec 14 07:02:55.302 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 07:02:55.302 INFO [stderr]      Running /target/debug/deps/cool-0ed3189b978e5f3b
Dec 14 07:02:55.303 INFO [stdout] 
Dec 14 07:02:55.304 INFO [stdout] running 0 tests
Dec 14 07:02:55.304 INFO [stdout] 
Dec 14 07:02:55.304 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:02:55.304 INFO [stdout] 
Dec 14 07:02:55.305 INFO [stderr] su: No module specific data is present
Dec 14 07:02:55.606 INFO running `"docker" "inspect" "b8af8fcbb2f03758bcd1e29f15d0f183a733ad4d46aa411d2ba19f611ac8d346"`
Dec 14 07:02:55.682 INFO running `"docker" "rm" "-f" "b8af8fcbb2f03758bcd1e29f15d0f183a733ad4d46aa411d2ba19f611ac8d346"`
Dec 14 07:02:55.773 INFO [stdout] b8af8fcbb2f03758bcd1e29f15d0f183a733ad4d46aa411d2ba19f611ac8d346