Nov 17 12:45:19.647 INFO testing PaulJuliusMartinez/CoolRustCompiler against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 12:45:19.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:45:19.911 INFO [stdout] 10b5ab90b0cfe4c5e650d4fe41eed8498401a85bab1dc1ac038d3931b23799c0
Nov 17 12:45:19.915 INFO running `"docker" "start" "-a" "10b5ab90b0cfe4c5e650d4fe41eed8498401a85bab1dc1ac038d3931b23799c0"`
Nov 17 12:45:20.497 INFO [stderr] usermod: no changes
Nov 17 12:45:20.547 INFO [stderr]    Compiling cool v0.1.0 (/source)
Nov 17 12:45:20.867 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 17 12:45:20.867 INFO [stderr]  --> src/main.rs:3:5
Nov 17 12:45:20.867 INFO [stderr]   |
Nov 17 12:45:20.867 INFO [stderr] 3 | use std::rc::Rc;
Nov 17 12:45:20.867 INFO [stderr]   |     ^^^^^^^^^^^
Nov 17 12:45:20.867 INFO [stderr]   |
Nov 17 12:45:20.867 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 12:45:20.867 INFO [stderr] 
Nov 17 12:45:20.867 INFO [stderr] warning: unused import: `std::boxed::Box`
Nov 17 12:45:20.867 INFO [stderr]  --> src/main.rs:4:5
Nov 17 12:45:20.867 INFO [stderr]   |
Nov 17 12:45:20.867 INFO [stderr] 4 | use std::boxed::Box;
Nov 17 12:45:20.867 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 17 12:45:20.867 INFO [stderr] 
Nov 17 12:45:20.867 INFO [stderr] warning: unused import: `ast::*`
Nov 17 12:45:20.867 INFO [stderr]  --> src/main.rs:6:5
Nov 17 12:45:20.867 INFO [stderr]   |
Nov 17 12:45:20.867 INFO [stderr] 6 | use ast::*;
Nov 17 12:45:20.867 INFO [stderr]   |     ^^^^^^
Nov 17 12:45:20.867 INFO [stderr] 
Nov 17 12:45:20.867 INFO [stderr] warning: unused macro definition
Nov 17 12:45:20.867 INFO [stderr]   --> src/parser/mod.rs:53:1
Nov 17 12:45:20.867 INFO [stderr]    |
Nov 17 12:45:20.867 INFO [stderr] 53 | / macro_rules! match_single_capture {
Nov 17 12:45:20.867 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Nov 17 12:45:20.867 INFO [stderr] 55 | |         match *$tok {
Nov 17 12:45:20.867 INFO [stderr] 56 | |             $expected => {
Nov 17 12:45:20.867 INFO [stderr] ...  |
Nov 17 12:45:20.867 INFO [stderr] 65 | |     }}
Nov 17 12:45:20.867 INFO [stderr] 66 | | }
Nov 17 12:45:20.867 INFO [stderr]    | |_^
Nov 17 12:45:20.867 INFO [stderr]    |
Nov 17 12:45:20.867 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 17 12:45:20.867 INFO [stderr] 
Nov 17 12:45:21.687 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Nov 17 12:45:21.687 INFO [stderr]   --> src/lexer/mod.rs:71:13
Nov 17 12:45:21.687 INFO [stderr]    |
Nov 17 12:45:21.687 INFO [stderr] 71 |     let mut line_no = 0;
Nov 17 12:45:21.687 INFO [stderr]    |             ^^^^^^^
Nov 17 12:45:21.688 INFO [stderr]    |
Nov 17 12:45:21.688 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 12:45:21.688 INFO [stderr]    = note: consider using `_line_no` instead
Nov 17 12:45:21.688 INFO [stderr] 
Nov 17 12:45:21.689 INFO [stderr] warning: unused variable: `tabs`
Nov 17 12:45:21.689 INFO [stderr]    --> src/printer/mod.rs:199:28
Nov 17 12:45:21.689 INFO [stderr]     |
Nov 17 12:45:21.689 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Nov 17 12:45:21.690 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Nov 17 12:45:21.690 INFO [stderr] 
Nov 17 12:45:23.410 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
Nov 17 12:45:23.416 INFO [stderr] su: No module specific data is present
Nov 17 12:45:23.891 INFO running `"docker" "inspect" "10b5ab90b0cfe4c5e650d4fe41eed8498401a85bab1dc1ac038d3931b23799c0"`
Nov 17 12:45:24.217 INFO running `"docker" "rm" "-f" "10b5ab90b0cfe4c5e650d4fe41eed8498401a85bab1dc1ac038d3931b23799c0"`
Nov 17 12:45:24.481 INFO [stdout] 10b5ab90b0cfe4c5e650d4fe41eed8498401a85bab1dc1ac038d3931b23799c0
Nov 17 12:45:24.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:45:24.961 INFO [stdout] 3522ab541f992c9e403d7480753ca742ebad21cad1d753b41d18c2de1f448f90
Nov 17 12:45:24.969 INFO running `"docker" "start" "-a" "3522ab541f992c9e403d7480753ca742ebad21cad1d753b41d18c2de1f448f90"`
Nov 17 12:45:25.548 INFO [stderr] usermod: no changes
Nov 17 12:45:25.571 INFO [stderr]    Compiling cool v0.1.0 (/source)
Nov 17 12:45:25.934 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 17 12:45:25.934 INFO [stderr]  --> src/main.rs:3:5
Nov 17 12:45:25.934 INFO [stderr]   |
Nov 17 12:45:25.934 INFO [stderr] 3 | use std::rc::Rc;
Nov 17 12:45:25.934 INFO [stderr]   |     ^^^^^^^^^^^
Nov 17 12:45:25.934 INFO [stderr]   |
Nov 17 12:45:25.934 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 12:45:25.934 INFO [stderr] 
Nov 17 12:45:25.934 INFO [stderr] warning: unused import: `std::boxed::Box`
Nov 17 12:45:25.934 INFO [stderr]  --> src/main.rs:4:5
Nov 17 12:45:25.934 INFO [stderr]   |
Nov 17 12:45:25.934 INFO [stderr] 4 | use std::boxed::Box;
Nov 17 12:45:25.934 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 17 12:45:25.934 INFO [stderr] 
Nov 17 12:45:25.934 INFO [stderr] warning: unused import: `ast::*`
Nov 17 12:45:25.934 INFO [stderr]  --> src/main.rs:6:5
Nov 17 12:45:25.934 INFO [stderr]   |
Nov 17 12:45:25.934 INFO [stderr] 6 | use ast::*;
Nov 17 12:45:25.934 INFO [stderr]   |     ^^^^^^
Nov 17 12:45:25.934 INFO [stderr] 
Nov 17 12:45:25.934 INFO [stderr] warning: unused macro definition
Nov 17 12:45:25.934 INFO [stderr]   --> src/parser/mod.rs:53:1
Nov 17 12:45:25.934 INFO [stderr]    |
Nov 17 12:45:25.934 INFO [stderr] 53 | / macro_rules! match_single_capture {
Nov 17 12:45:25.934 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Nov 17 12:45:25.934 INFO [stderr] 55 | |         match *$tok {
Nov 17 12:45:25.934 INFO [stderr] 56 | |             $expected => {
Nov 17 12:45:25.934 INFO [stderr] ...  |
Nov 17 12:45:25.934 INFO [stderr] 65 | |     }}
Nov 17 12:45:25.934 INFO [stderr] 66 | | }
Nov 17 12:45:25.934 INFO [stderr]    | |_^
Nov 17 12:45:25.934 INFO [stderr]    |
Nov 17 12:45:25.934 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 17 12:45:25.934 INFO [stderr] 
Nov 17 12:45:26.731 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Nov 17 12:45:26.731 INFO [stderr]   --> src/lexer/mod.rs:71:13
Nov 17 12:45:26.731 INFO [stderr]    |
Nov 17 12:45:26.731 INFO [stderr] 71 |     let mut line_no = 0;
Nov 17 12:45:26.731 INFO [stderr]    |             ^^^^^^^
Nov 17 12:45:26.731 INFO [stderr]    |
Nov 17 12:45:26.731 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 12:45:26.731 INFO [stderr]    = note: consider using `_line_no` instead
Nov 17 12:45:26.731 INFO [stderr] 
Nov 17 12:45:26.731 INFO [stderr] warning: unused variable: `tabs`
Nov 17 12:45:26.731 INFO [stderr]    --> src/printer/mod.rs:199:28
Nov 17 12:45:26.731 INFO [stderr]     |
Nov 17 12:45:26.731 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Nov 17 12:45:26.731 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Nov 17 12:45:26.731 INFO [stderr] 
Nov 17 12:45:27.343 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Nov 17 12:45:27.345 INFO [stderr] su: No module specific data is present
Nov 17 12:45:27.592 INFO running `"docker" "inspect" "3522ab541f992c9e403d7480753ca742ebad21cad1d753b41d18c2de1f448f90"`
Nov 17 12:45:27.692 INFO running `"docker" "rm" "-f" "3522ab541f992c9e403d7480753ca742ebad21cad1d753b41d18c2de1f448f90"`
Nov 17 12:45:27.811 INFO [stdout] 3522ab541f992c9e403d7480753ca742ebad21cad1d753b41d18c2de1f448f90
Nov 17 12:45:27.821 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:45:28.045 INFO [stdout] e52fd5bd840d5c10c506613715a97123e395d4b46acda0a537a4e84ce1a3d50a
Nov 17 12:45:28.048 INFO running `"docker" "start" "-a" "e52fd5bd840d5c10c506613715a97123e395d4b46acda0a537a4e84ce1a3d50a"`
Nov 17 12:45:28.608 INFO [stderr] usermod: no changes
Nov 17 12:45:28.633 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 17 12:45:28.635 INFO [stderr]      Running /target/debug/deps/cool-721e1dfedbd876b9
Nov 17 12:45:28.637 INFO [stdout] 
Nov 17 12:45:28.638 INFO [stdout] running 0 tests
Nov 17 12:45:28.638 INFO [stdout] 
Nov 17 12:45:28.638 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:45:28.639 INFO [stdout] 
Nov 17 12:45:28.643 INFO [stderr] su: No module specific data is present
Nov 17 12:45:29.052 INFO running `"docker" "inspect" "e52fd5bd840d5c10c506613715a97123e395d4b46acda0a537a4e84ce1a3d50a"`
Nov 17 12:45:29.142 INFO running `"docker" "rm" "-f" "e52fd5bd840d5c10c506613715a97123e395d4b46acda0a537a4e84ce1a3d50a"`
Nov 17 12:45:29.223 INFO [stdout] e52fd5bd840d5c10c506613715a97123e395d4b46acda0a537a4e84ce1a3d50a