Dec 05 00:43:18.413 INFO checking PaulJuliusMartinez/CoolRustCompiler against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:43:18.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 00:43:18.899 INFO [stdout] b80548fef96cf3c77bd18273a219c720405634ba83a218e2c5d369f098a9a0af
Dec 05 00:43:18.902 INFO running `"docker" "start" "-a" "b80548fef96cf3c77bd18273a219c720405634ba83a218e2c5d369f098a9a0af"`
Dec 05 00:43:20.887 INFO [stderr] usermod: no changes
Dec 05 00:43:20.931 INFO [stderr]     Checking cool v0.1.0 (/source)
Dec 05 00:43:21.851 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 05 00:43:21.851 INFO [stderr]  --> src/main.rs:3:5
Dec 05 00:43:21.851 INFO [stderr]   |
Dec 05 00:43:21.851 INFO [stderr] 3 | use std::rc::Rc;
Dec 05 00:43:21.851 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 00:43:21.851 INFO [stderr]   |
Dec 05 00:43:21.851 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:43:21.851 INFO [stderr] 
Dec 05 00:43:21.851 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 05 00:43:21.851 INFO [stderr]  --> src/main.rs:4:5
Dec 05 00:43:21.851 INFO [stderr]   |
Dec 05 00:43:21.851 INFO [stderr] 4 | use std::boxed::Box;
Dec 05 00:43:21.851 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:43:21.851 INFO [stderr] 
Dec 05 00:43:21.851 INFO [stderr] warning: unused import: `ast::*`
Dec 05 00:43:21.851 INFO [stderr]  --> src/main.rs:6:5
Dec 05 00:43:21.851 INFO [stderr]   |
Dec 05 00:43:21.851 INFO [stderr] 6 | use ast::*;
Dec 05 00:43:21.851 INFO [stderr]   |     ^^^^^^
Dec 05 00:43:21.851 INFO [stderr] 
Dec 05 00:43:21.859 INFO [stderr] warning: unused macro definition
Dec 05 00:43:21.859 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 05 00:43:21.859 INFO [stderr]    |
Dec 05 00:43:21.859 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 05 00:43:21.859 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 05 00:43:21.859 INFO [stderr] 55 | |         match *$tok {
Dec 05 00:43:21.859 INFO [stderr] 56 | |             $expected => {
Dec 05 00:43:21.859 INFO [stderr] ...  |
Dec 05 00:43:21.859 INFO [stderr] 65 | |     }}
Dec 05 00:43:21.859 INFO [stderr] 66 | | }
Dec 05 00:43:21.859 INFO [stderr]    | |_^
Dec 05 00:43:21.859 INFO [stderr]    |
Dec 05 00:43:21.859 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 00:43:21.859 INFO [stderr] 
Dec 05 00:43:22.159 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 05 00:43:22.159 INFO [stderr]  --> src/main.rs:3:5
Dec 05 00:43:22.159 INFO [stderr]   |
Dec 05 00:43:22.159 INFO [stderr] 3 | use std::rc::Rc;
Dec 05 00:43:22.159 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 00:43:22.159 INFO [stderr]   |
Dec 05 00:43:22.159 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:43:22.159 INFO [stderr] 
Dec 05 00:43:22.159 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 05 00:43:22.159 INFO [stderr]  --> src/main.rs:4:5
Dec 05 00:43:22.159 INFO [stderr]   |
Dec 05 00:43:22.159 INFO [stderr] 4 | use std::boxed::Box;
Dec 05 00:43:22.159 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 00:43:22.159 INFO [stderr] 
Dec 05 00:43:22.159 INFO [stderr] warning: unused import: `ast::*`
Dec 05 00:43:22.159 INFO [stderr]  --> src/main.rs:6:5
Dec 05 00:43:22.159 INFO [stderr]   |
Dec 05 00:43:22.159 INFO [stderr] 6 | use ast::*;
Dec 05 00:43:22.159 INFO [stderr]   |     ^^^^^^
Dec 05 00:43:22.159 INFO [stderr] 
Dec 05 00:43:22.159 INFO [stderr] warning: unused macro definition
Dec 05 00:43:22.159 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 05 00:43:22.159 INFO [stderr]    |
Dec 05 00:43:22.159 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 05 00:43:22.159 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 05 00:43:22.159 INFO [stderr] 55 | |         match *$tok {
Dec 05 00:43:22.159 INFO [stderr] 56 | |             $expected => {
Dec 05 00:43:22.159 INFO [stderr] ...  |
Dec 05 00:43:22.159 INFO [stderr] 65 | |     }}
Dec 05 00:43:22.159 INFO [stderr] 66 | | }
Dec 05 00:43:22.159 INFO [stderr]    | |_^
Dec 05 00:43:22.163 INFO [stderr]    |
Dec 05 00:43:22.163 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 05 00:43:22.163 INFO [stderr] 
Dec 05 00:43:23.203 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 05 00:43:23.203 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 05 00:43:23.203 INFO [stderr]    |
Dec 05 00:43:23.203 INFO [stderr] 71 |     let mut line_no = 0;
Dec 05 00:43:23.203 INFO [stderr]    |             ^^^^^^^
Dec 05 00:43:23.203 INFO [stderr]    |
Dec 05 00:43:23.203 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:43:23.203 INFO [stderr]    = note: consider using `_line_no` instead
Dec 05 00:43:23.203 INFO [stderr] 
Dec 05 00:43:23.203 INFO [stderr] warning: unused variable: `tabs`
Dec 05 00:43:23.203 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 05 00:43:23.203 INFO [stderr]     |
Dec 05 00:43:23.203 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 05 00:43:23.203 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 05 00:43:23.203 INFO [stderr] 
Dec 05 00:43:23.303 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 05 00:43:23.303 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 05 00:43:23.303 INFO [stderr]    |
Dec 05 00:43:23.303 INFO [stderr] 71 |     let mut line_no = 0;
Dec 05 00:43:23.303 INFO [stderr]    |             ^^^^^^^
Dec 05 00:43:23.303 INFO [stderr]    |
Dec 05 00:43:23.303 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:43:23.303 INFO [stderr]    = note: consider using `_line_no` instead
Dec 05 00:43:23.303 INFO [stderr] 
Dec 05 00:43:23.303 INFO [stderr] warning: unused variable: `tabs`
Dec 05 00:43:23.303 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 05 00:43:23.303 INFO [stderr]     |
Dec 05 00:43:23.303 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 05 00:43:23.303 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 05 00:43:23.303 INFO [stderr] 
Dec 05 00:43:23.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Dec 05 00:43:23.632 INFO [stderr] su: No module specific data is present
Dec 05 00:43:24.001 INFO running `"docker" "inspect" "b80548fef96cf3c77bd18273a219c720405634ba83a218e2c5d369f098a9a0af"`
Dec 05 00:43:24.215 INFO running `"docker" "rm" "-f" "b80548fef96cf3c77bd18273a219c720405634ba83a218e2c5d369f098a9a0af"`
Dec 05 00:43:24.403 INFO [stdout] b80548fef96cf3c77bd18273a219c720405634ba83a218e2c5d369f098a9a0af