Nov 28 11:42:33.122 INFO checking PaulJuliusMartinez/CoolRustCompiler against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:42:33.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 11:42:33.329 INFO [stdout] 6232b18eb04f92e68d9175ab068478fe6065164c0f04abef707bfe5721756864
Nov 28 11:42:33.334 INFO running `"docker" "start" "-a" "6232b18eb04f92e68d9175ab068478fe6065164c0f04abef707bfe5721756864"`
Nov 28 11:42:34.252 INFO [stderr] usermod: no changes
Nov 28 11:42:34.308 INFO [stderr]     Checking cool v0.1.0 (/source)
Nov 28 11:42:35.147 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 28 11:42:35.148 INFO [stderr]  --> src/main.rs:3:5
Nov 28 11:42:35.149 INFO [stderr]   |
Nov 28 11:42:35.149 INFO [stderr] 3 | use std::rc::Rc;
Nov 28 11:42:35.150 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 11:42:35.160 INFO [stderr]   |
Nov 28 11:42:35.161 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:42:35.162 INFO [stderr] 
Nov 28 11:42:35.162 INFO [stderr] warning: unused import: `std::boxed::Box`
Nov 28 11:42:35.163 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:42:35.163 INFO [stderr]   |
Nov 28 11:42:35.164 INFO [stderr] 4 | use std::boxed::Box;
Nov 28 11:42:35.164 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 11:42:35.165 INFO [stderr] 
Nov 28 11:42:35.165 INFO [stderr] warning: unused import: `ast::*`
Nov 28 11:42:35.166 INFO [stderr]  --> src/main.rs:6:5
Nov 28 11:42:35.167 INFO [stderr]   |
Nov 28 11:42:35.167 INFO [stderr] 6 | use ast::*;
Nov 28 11:42:35.168 INFO [stderr]   |     ^^^^^^
Nov 28 11:42:35.168 INFO [stderr] 
Nov 28 11:42:35.168 INFO [stderr] warning: unused macro definition
Nov 28 11:42:35.168 INFO [stderr]   --> src/parser/mod.rs:53:1
Nov 28 11:42:35.168 INFO [stderr]    |
Nov 28 11:42:35.168 INFO [stderr] 53 | / macro_rules! match_single_capture {
Nov 28 11:42:35.168 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Nov 28 11:42:35.172 INFO [stderr] 55 | |         match *$tok {
Nov 28 11:42:35.172 INFO [stderr] 56 | |             $expected => {
Nov 28 11:42:35.172 INFO [stderr] ...  |
Nov 28 11:42:35.172 INFO [stderr] 65 | |     }}
Nov 28 11:42:35.172 INFO [stderr] 66 | | }
Nov 28 11:42:35.172 INFO [stderr]    | |_^
Nov 28 11:42:35.172 INFO [stderr]    |
Nov 28 11:42:35.172 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 28 11:42:35.172 INFO [stderr] 
Nov 28 11:42:35.404 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 28 11:42:35.405 INFO [stderr]  --> src/main.rs:3:5
Nov 28 11:42:35.406 INFO [stderr]   |
Nov 28 11:42:35.407 INFO [stderr] 3 | use std::rc::Rc;
Nov 28 11:42:35.407 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 11:42:35.408 INFO [stderr]   |
Nov 28 11:42:35.408 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:42:35.409 INFO [stderr] 
Nov 28 11:42:35.410 INFO [stderr] warning: unused import: `std::boxed::Box`
Nov 28 11:42:35.410 INFO [stderr]  --> src/main.rs:4:5
Nov 28 11:42:35.411 INFO [stderr]   |
Nov 28 11:42:35.411 INFO [stderr] 4 | use std::boxed::Box;
Nov 28 11:42:35.411 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 28 11:42:35.411 INFO [stderr] 
Nov 28 11:42:35.412 INFO [stderr] warning: unused import: `ast::*`
Nov 28 11:42:35.412 INFO [stderr]  --> src/main.rs:6:5
Nov 28 11:42:35.412 INFO [stderr]   |
Nov 28 11:42:35.412 INFO [stderr] 6 | use ast::*;
Nov 28 11:42:35.412 INFO [stderr]   |     ^^^^^^
Nov 28 11:42:35.412 INFO [stderr] 
Nov 28 11:42:35.412 INFO [stderr] warning: unused macro definition
Nov 28 11:42:35.412 INFO [stderr]   --> src/parser/mod.rs:53:1
Nov 28 11:42:35.412 INFO [stderr]    |
Nov 28 11:42:35.412 INFO [stderr] 53 | / macro_rules! match_single_capture {
Nov 28 11:42:35.412 INFO [stderr] 54 | |     ($tok:expr, $expected:pat, $states:ident, $new_state:expr, $body:stmt) => {{
Nov 28 11:42:35.412 INFO [stderr] 55 | |         match *$tok {
Nov 28 11:42:35.412 INFO [stderr] 56 | |             $expected => {
Nov 28 11:42:35.412 INFO [stderr] ...  |
Nov 28 11:42:35.412 INFO [stderr] 65 | |     }}
Nov 28 11:42:35.414 INFO [stderr] 66 | | }
Nov 28 11:42:35.414 INFO [stderr]    | |_^
Nov 28 11:42:35.414 INFO [stderr]    |
Nov 28 11:42:35.414 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 28 11:42:35.414 INFO [stderr] 
Nov 28 11:42:36.952 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Nov 28 11:42:36.952 INFO [stderr]   --> src/lexer/mod.rs:71:13
Nov 28 11:42:36.953 INFO [stderr]    |
Nov 28 11:42:36.954 INFO [stderr] 71 |     let mut line_no = 0;
Nov 28 11:42:36.954 INFO [stderr]    |             ^^^^^^^
Nov 28 11:42:36.955 INFO [stderr]    |
Nov 28 11:42:36.956 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:42:36.956 INFO [stderr]    = note: consider using `_line_no` instead
Nov 28 11:42:36.957 INFO [stderr] 
Nov 28 11:42:36.958 INFO [stderr] warning: unused variable: `tabs`
Nov 28 11:42:36.959 INFO [stderr]    --> src/printer/mod.rs:199:28
Nov 28 11:42:36.959 INFO [stderr]     |
Nov 28 11:42:36.960 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Nov 28 11:42:36.960 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Nov 28 11:42:36.961 INFO [stderr] 
Nov 28 11:42:37.568 INFO [stderr] warning: variable `line_no` is assigned to, but never used
Nov 28 11:42:37.568 INFO [stderr]   --> src/lexer/mod.rs:71:13
Nov 28 11:42:37.568 INFO [stderr]    |
Nov 28 11:42:37.568 INFO [stderr] 71 |     let mut line_no = 0;
Nov 28 11:42:37.568 INFO [stderr]    |             ^^^^^^^
Nov 28 11:42:37.568 INFO [stderr]    |
Nov 28 11:42:37.568 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:42:37.568 INFO [stderr]    = note: consider using `_line_no` instead
Nov 28 11:42:37.568 INFO [stderr] 
Nov 28 11:42:37.568 INFO [stderr] warning: unused variable: `tabs`
Nov 28 11:42:37.568 INFO [stderr]    --> src/printer/mod.rs:199:28
Nov 28 11:42:37.568 INFO [stderr]     |
Nov 28 11:42:37.568 INFO [stderr] 199 |     fn pretty_print(&self, tabs: u32) {
Nov 28 11:42:37.568 INFO [stderr]     |                            ^^^^ help: consider using `_tabs` instead
Nov 28 11:42:37.568 INFO [stderr] 
Nov 28 11:42:37.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
Nov 28 11:42:37.966 INFO [stderr] su: No module specific data is present
Nov 28 11:42:38.824 INFO running `"docker" "inspect" "6232b18eb04f92e68d9175ab068478fe6065164c0f04abef707bfe5721756864"`
Nov 28 11:42:39.080 INFO running `"docker" "rm" "-f" "6232b18eb04f92e68d9175ab068478fe6065164c0f04abef707bfe5721756864"`
Nov 28 11:42:39.201 INFO [stdout] 6232b18eb04f92e68d9175ab068478fe6065164c0f04abef707bfe5721756864