Dec 19 22:26:53.063 INFO checking PaulJuliusMartinez/CoolRustCompiler against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:26:53.063 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/PaulJuliusMartinez/CoolRustCompiler:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:26:53.261 INFO [stdout] e8013539746b26871fd79194057cf82e128233ea4640e473f85d92fc8f7d92fb
Dec 19 22:26:53.263 INFO running `"docker" "start" "-a" "e8013539746b26871fd79194057cf82e128233ea4640e473f85d92fc8f7d92fb"`
Dec 19 22:26:53.936 INFO [stderr]     Checking cool v0.1.0 (/opt/crater/workdir)
Dec 19 22:26:54.216 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 22:26:54.216 INFO [stderr]  --> src/main.rs:3:5
Dec 19 22:26:54.216 INFO [stderr]   |
Dec 19 22:26:54.217 INFO [stderr] 3 | use std::rc::Rc;
Dec 19 22:26:54.217 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 22:26:54.217 INFO [stderr]   |
Dec 19 22:26:54.218 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:26:54.218 INFO [stderr] 
Dec 19 22:26:54.218 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 19 22:26:54.218 INFO [stderr]  --> src/main.rs:4:5
Dec 19 22:26:54.218 INFO [stderr]   |
Dec 19 22:26:54.218 INFO [stderr] 4 | use std::boxed::Box;
Dec 19 22:26:54.218 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 22:26:54.218 INFO [stderr] 
Dec 19 22:26:54.218 INFO [stderr] warning: unused import: `ast::*`
Dec 19 22:26:54.218 INFO [stderr]  --> src/main.rs:6:5
Dec 19 22:26:54.218 INFO [stderr]   |
Dec 19 22:26:54.218 INFO [stderr] 6 | use ast::*;
Dec 19 22:26:54.218 INFO [stderr]   |     ^^^^^^
Dec 19 22:26:54.219 INFO [stderr] 
Dec 19 22:26:54.219 INFO [stderr] warning: unused macro definition
Dec 19 22:26:54.219 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 19 22:26:54.219 INFO [stderr]    |
Dec 19 22:26:54.220 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 19 22:26:54.220 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 19 22:26:54.220 INFO [stderr] 55 | |         match *$tok {
Dec 19 22:26:54.220 INFO [stderr] 56 | |             $expected => {
Dec 19 22:26:54.220 INFO [stderr] ...  |
Dec 19 22:26:54.220 INFO [stderr] 65 | |     }}
Dec 19 22:26:54.220 INFO [stderr] 66 | | }
Dec 19 22:26:54.220 INFO [stderr]    | |_^
Dec 19 22:26:54.224 INFO [stderr]    |
Dec 19 22:26:54.224 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 19 22:26:54.224 INFO [stderr] 
Dec 19 22:26:54.419 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 22:26:54.419 INFO [stderr]  --> src/main.rs:3:5
Dec 19 22:26:54.420 INFO [stderr]   |
Dec 19 22:26:54.420 INFO [stderr] 3 | use std::rc::Rc;
Dec 19 22:26:54.420 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 22:26:54.420 INFO [stderr]   |
Dec 19 22:26:54.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:26:54.421 INFO [stderr] 
Dec 19 22:26:54.421 INFO [stderr] warning: unused import: `std::boxed::Box`
Dec 19 22:26:54.421 INFO [stderr]  --> src/main.rs:4:5
Dec 19 22:26:54.421 INFO [stderr]   |
Dec 19 22:26:54.421 INFO [stderr] 4 | use std::boxed::Box;
Dec 19 22:26:54.421 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 22:26:54.421 INFO [stderr] 
Dec 19 22:26:54.421 INFO [stderr] warning: unused import: `ast::*`
Dec 19 22:26:54.421 INFO [stderr]  --> src/main.rs:6:5
Dec 19 22:26:54.421 INFO [stderr]   |
Dec 19 22:26:54.421 INFO [stderr] 6 | use ast::*;
Dec 19 22:26:54.421 INFO [stderr]   |     ^^^^^^
Dec 19 22:26:54.421 INFO [stderr] 
Dec 19 22:26:54.421 INFO [stderr] warning: unused macro definition
Dec 19 22:26:54.421 INFO [stderr]   --> src/parser/mod.rs:53:1
Dec 19 22:26:54.421 INFO [stderr]    |
Dec 19 22:26:54.421 INFO [stderr] 53 | / macro_rules! match_single_capture {
Dec 19 22:26:54.421 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Dec 19 22:26:54.421 INFO [stderr] 55 | |         match *$tok {
Dec 19 22:26:54.421 INFO [stderr] 56 | |             $expected => {
Dec 19 22:26:54.421 INFO [stderr] ...  |
Dec 19 22:26:54.424 INFO [stderr] 65 | |     }}
Dec 19 22:26:54.424 INFO [stderr] 66 | | }
Dec 19 22:26:54.424 INFO [stderr]    | |_^
Dec 19 22:26:54.424 INFO [stderr]    |
Dec 19 22:26:54.424 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 19 22:26:54.424 INFO [stderr] 
Dec 19 22:26:55.164 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 19 22:26:55.164 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 19 22:26:55.164 INFO [stderr]    |
Dec 19 22:26:55.164 INFO [stderr] 71 |     let mut line_no = 0;
Dec 19 22:26:55.164 INFO [stderr]    |             ^^^^^^^
Dec 19 22:26:55.164 INFO [stderr]    |
Dec 19 22:26:55.164 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:26:55.164 INFO [stderr]    = note: consider using `_line_no` instead
Dec 19 22:26:55.164 INFO [stderr] 
Dec 19 22:26:55.164 INFO [stderr] warning: unused variable: `tabs`
Dec 19 22:26:55.164 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 19 22:26:55.164 INFO [stderr]     |
Dec 19 22:26:55.164 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 19 22:26:55.164 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 19 22:26:55.164 INFO [stderr] 
Dec 19 22:26:55.260 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Dec 19 22:26:55.260 INFO [stderr]   --> src/lexer/mod.rs:71:13
Dec 19 22:26:55.260 INFO [stderr]    |
Dec 19 22:26:55.260 INFO [stderr] 71 |     let mut line_no = 0;
Dec 19 22:26:55.260 INFO [stderr]    |             ^^^^^^^
Dec 19 22:26:55.260 INFO [stderr]    |
Dec 19 22:26:55.260 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:26:55.260 INFO [stderr]    = note: consider using `_line_no` instead
Dec 19 22:26:55.260 INFO [stderr] 
Dec 19 22:26:55.260 INFO [stderr] warning: unused variable: `tabs`
Dec 19 22:26:55.260 INFO [stderr]    --> src/printer/mod.rs:199:28
Dec 19 22:26:55.260 INFO [stderr]     |
Dec 19 22:26:55.260 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Dec 19 22:26:55.260 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Dec 19 22:26:55.260 INFO [stderr] 
Dec 19 22:26:55.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 19 22:26:55.859 INFO running `"docker" "inspect" "e8013539746b26871fd79194057cf82e128233ea4640e473f85d92fc8f7d92fb"`
Dec 19 22:26:56.025 INFO running `"docker" "rm" "-f" "e8013539746b26871fd79194057cf82e128233ea4640e473f85d92fc8f7d92fb"`
Dec 19 22:26:56.325 INFO [stdout] e8013539746b26871fd79194057cf82e128233ea4640e473f85d92fc8f7d92fb