Nov 30 12:04:16.747 INFO checking AntonioCarta/dragon_compiler against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 12:04:16.747 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 12:04:17.034 INFO [stdout] fcf1aa08213bd38febf77006d85b3b3f5ab0edfa5e2cae2a13a5290fe8957bb2
Nov 30 12:04:17.036 INFO running `"docker" "start" "-a" "fcf1aa08213bd38febf77006d85b3b3f5ab0edfa5e2cae2a13a5290fe8957bb2"`
Nov 30 12:04:17.731 INFO [stderr] usermod: no changes
Nov 30 12:04:17.754 INFO [stderr]     Checking mini_compiler v0.1.0 (/source)
Nov 30 12:04:18.080 INFO [stderr] warning: unused imports: `AddressMode`, `Address`
Nov 30 12:04:18.080 INFO [stderr]  --> src/interpreter.rs:1:30
Nov 30 12:04:18.080 INFO [stderr]   |
Nov 30 12:04:18.080 INFO [stderr] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
Nov 30 12:04:18.080 INFO [stderr]   |                              ^^^^^^^^^^^               ^^^^^^^
Nov 30 12:04:18.080 INFO [stderr]   |
Nov 30 12:04:18.080 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 12:04:18.080 INFO [stderr] 
Nov 30 12:04:18.185 INFO [stderr] warning: unused import: `Scanner`
Nov 30 12:04:18.185 INFO [stderr]  --> src/test/lexer_test.rs:4:13
Nov 30 12:04:18.185 INFO [stderr]   |
Nov 30 12:04:18.185 INFO [stderr] 4 | use lexer::{Scanner};
Nov 30 12:04:18.185 INFO [stderr]   |             ^^^^^^^
Nov 30 12:04:18.185 INFO [stderr]   |
Nov 30 12:04:18.185 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 12:04:18.185 INFO [stderr] 
Nov 30 12:04:18.185 INFO [stderr] warning: unused imports: `AddressMode`, `Address`
Nov 30 12:04:18.185 INFO [stderr]  --> src/interpreter.rs:1:30
Nov 30 12:04:18.185 INFO [stderr]   |
Nov 30 12:04:18.185 INFO [stderr] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
Nov 30 12:04:18.185 INFO [stderr]   |                              ^^^^^^^^^^^               ^^^^^^^
Nov 30 12:04:18.185 INFO [stderr] 
Nov 30 12:04:18.376 INFO [stderr] warning: method is never used: `new`
Nov 30 12:04:18.376 INFO [stderr]    --> src/lexer.rs:148:5
Nov 30 12:04:18.377 INFO [stderr]     |
Nov 30 12:04:18.377 INFO [stderr] 148 |     pub fn new() -> Scanner {
Nov 30 12:04:18.377 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 12:04:18.377 INFO [stderr]     |
Nov 30 12:04:18.377 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 12:04:18.377 INFO [stderr] 
Nov 30 12:04:18.377 INFO [stderr] warning: field is never used: `id`
Nov 30 12:04:18.377 INFO [stderr]   --> src/code_generator.rs:59:9
Nov 30 12:04:18.377 INFO [stderr]    |
Nov 30 12:04:18.377 INFO [stderr] 59 |         id  : i32,
Nov 30 12:04:18.377 INFO [stderr]    |         ^^^^^^^^^
Nov 30 12:04:18.377 INFO [stderr] 
Nov 30 12:04:18.377 INFO [stderr] warning: field is never used: `stack`
Nov 30 12:04:18.377 INFO [stderr]  --> src/interpreter.rs:5:5
Nov 30 12:04:18.377 INFO [stderr]   |
Nov 30 12:04:18.377 INFO [stderr] 5 |     stack     : Vec<i32>,
Nov 30 12:04:18.377 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 12:04:18.377 INFO [stderr] 
Nov 30 12:04:18.528 INFO [stderr] warning: method is never used: `new`
Nov 30 12:04:18.528 INFO [stderr]    --> src/lexer.rs:148:5
Nov 30 12:04:18.528 INFO [stderr]     |
Nov 30 12:04:18.528 INFO [stderr] 148 |     pub fn new() -> Scanner {
Nov 30 12:04:18.528 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 12:04:18.529 INFO [stderr]     |
Nov 30 12:04:18.529 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 12:04:18.529 INFO [stderr] 
Nov 30 12:04:18.529 INFO [stderr] warning: type alias is never used: `SAst`
Nov 30 12:04:18.529 INFO [stderr]  --> src/test/parser_test.rs:9:5
Nov 30 12:04:18.529 INFO [stderr]   |
Nov 30 12:04:18.529 INFO [stderr] 9 |     type SAst = Box<S>;
Nov 30 12:04:18.529 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 12:04:18.529 INFO [stderr] 
Nov 30 12:04:18.529 INFO [stderr] warning: function is never used: `add`
Nov 30 12:04:18.529 INFO [stderr]   --> src/test/parser_test.rs:52:5
Nov 30 12:04:18.529 INFO [stderr]    |
Nov 30 12:04:18.529 INFO [stderr] 52 |     fn add(e1 : NAst, e2 : NAst) -> NAst { nbox(N::Add(e1, e2)) }
Nov 30 12:04:18.529 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 12:04:18.529 INFO [stderr] 
Nov 30 12:04:18.529 INFO [stderr] warning: field is never used: `id`
Nov 30 12:04:18.529 INFO [stderr]   --> src/code_generator.rs:59:9
Nov 30 12:04:18.529 INFO [stderr]    |
Nov 30 12:04:18.529 INFO [stderr] 59 |         id  : i32,
Nov 30 12:04:18.529 INFO [stderr]    |         ^^^^^^^^^
Nov 30 12:04:18.529 INFO [stderr] 
Nov 30 12:04:18.529 INFO [stderr] warning: field is never used: `stack`
Nov 30 12:04:18.529 INFO [stderr]  --> src/interpreter.rs:5:5
Nov 30 12:04:18.529 INFO [stderr]   |
Nov 30 12:04:18.529 INFO [stderr] 5 |     stack     : Vec<i32>,
Nov 30 12:04:18.529 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 12:04:18.529 INFO [stderr] 
Nov 30 12:04:18.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Nov 30 12:04:18.559 INFO [stderr] su: No module specific data is present
Nov 30 12:04:18.834 INFO running `"docker" "inspect" "fcf1aa08213bd38febf77006d85b3b3f5ab0edfa5e2cae2a13a5290fe8957bb2"`
Nov 30 12:04:18.923 INFO running `"docker" "rm" "-f" "fcf1aa08213bd38febf77006d85b3b3f5ab0edfa5e2cae2a13a5290fe8957bb2"`
Nov 30 12:04:19.087 INFO [stdout] fcf1aa08213bd38febf77006d85b3b3f5ab0edfa5e2cae2a13a5290fe8957bb2