Dec 18 08:32:53.883 INFO checking AntonioCarta/dragon_compiler against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:32:53.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/AntonioCarta/dragon_compiler:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:32:54.072 INFO [stdout] 70d0887a2eb9165014d3696d5b172861c0ecb8b37df14eb0005405c45958809b
Dec 18 08:32:54.074 INFO running `"docker" "start" "-a" "70d0887a2eb9165014d3696d5b172861c0ecb8b37df14eb0005405c45958809b"`
Dec 18 08:32:54.876 INFO [stderr]     Checking mini_compiler v0.1.0 (/opt/crater/workdir)
Dec 18 08:32:55.076 INFO [stderr] warning: unused imports: `AddressMode`, `Address`
Dec 18 08:32:55.076 INFO [stderr]  --> src/interpreter.rs:1:30
Dec 18 08:32:55.076 INFO [stderr]   |
Dec 18 08:32:55.076 INFO [stderr] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
Dec 18 08:32:55.076 INFO [stderr]   |                              ^^^^^^^^^^^               ^^^^^^^
Dec 18 08:32:55.076 INFO [stderr]   |
Dec 18 08:32:55.076 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:32:55.076 INFO [stderr] 
Dec 18 08:32:55.161 INFO [stderr] warning: unused import: `Scanner`
Dec 18 08:32:55.161 INFO [stderr]  --> src/test/lexer_test.rs:4:13
Dec 18 08:32:55.161 INFO [stderr]   |
Dec 18 08:32:55.161 INFO [stderr] 4 | use lexer::{Scanner};
Dec 18 08:32:55.161 INFO [stderr]   |             ^^^^^^^
Dec 18 08:32:55.161 INFO [stderr]   |
Dec 18 08:32:55.161 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:32:55.161 INFO [stderr] 
Dec 18 08:32:55.162 INFO [stderr] warning: unused imports: `AddressMode`, `Address`
Dec 18 08:32:55.162 INFO [stderr]  --> src/interpreter.rs:1:30
Dec 18 08:32:55.162 INFO [stderr]   |
Dec 18 08:32:55.162 INFO [stderr] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
Dec 18 08:32:55.162 INFO [stderr]   |                              ^^^^^^^^^^^               ^^^^^^^
Dec 18 08:32:55.162 INFO [stderr] 
Dec 18 08:32:55.372 INFO [stderr] warning: method is never used: `new`
Dec 18 08:32:55.372 INFO [stderr]    --> src/lexer.rs:148:5
Dec 18 08:32:55.372 INFO [stderr]     |
Dec 18 08:32:55.372 INFO [stderr] 148 |     pub fn new() -> Scanner {
Dec 18 08:32:55.372 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:32:55.372 INFO [stderr]     |
Dec 18 08:32:55.372 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:32:55.372 INFO [stderr] 
Dec 18 08:32:55.372 INFO [stderr] warning: field is never used: `id`
Dec 18 08:32:55.372 INFO [stderr]   --> src/code_generator.rs:59:9
Dec 18 08:32:55.372 INFO [stderr]    |
Dec 18 08:32:55.372 INFO [stderr] 59 |         id  : i32,
Dec 18 08:32:55.372 INFO [stderr]    |         ^^^^^^^^^
Dec 18 08:32:55.372 INFO [stderr] 
Dec 18 08:32:55.372 INFO [stderr] warning: field is never used: `stack`
Dec 18 08:32:55.372 INFO [stderr]  --> src/interpreter.rs:5:5
Dec 18 08:32:55.372 INFO [stderr]   |
Dec 18 08:32:55.372 INFO [stderr] 5 |     stack     : Vec<i32>,
Dec 18 08:32:55.372 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 08:32:55.372 INFO [stderr] 
Dec 18 08:32:55.592 INFO [stderr] warning: method is never used: `new`
Dec 18 08:32:55.592 INFO [stderr]    --> src/lexer.rs:148:5
Dec 18 08:32:55.592 INFO [stderr]     |
Dec 18 08:32:55.592 INFO [stderr] 148 |     pub fn new() -> Scanner {
Dec 18 08:32:55.592 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:32:55.592 INFO [stderr]     |
Dec 18 08:32:55.592 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:32:55.592 INFO [stderr] 
Dec 18 08:32:55.592 INFO [stderr] warning: type alias is never used: `SAst`
Dec 18 08:32:55.592 INFO [stderr]  --> src/test/parser_test.rs:9:5
Dec 18 08:32:55.592 INFO [stderr]   |
Dec 18 08:32:55.592 INFO [stderr] 9 |     type SAst = Box<S>;
Dec 18 08:32:55.592 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:32:55.592 INFO [stderr] 
Dec 18 08:32:55.592 INFO [stderr] warning: function is never used: `add`
Dec 18 08:32:55.592 INFO [stderr]   --> src/test/parser_test.rs:52:5
Dec 18 08:32:55.592 INFO [stderr]    |
Dec 18 08:32:55.592 INFO [stderr] 52 |     fn add(e1 : NAst, e2 : NAst) -> NAst { nbox(N::Add(e1, e2)) }
Dec 18 08:32:55.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:32:55.592 INFO [stderr] 
Dec 18 08:32:55.592 INFO [stderr] warning: field is never used: `id`
Dec 18 08:32:55.592 INFO [stderr]   --> src/code_generator.rs:59:9
Dec 18 08:32:55.592 INFO [stderr]    |
Dec 18 08:32:55.592 INFO [stderr] 59 |         id  : i32,
Dec 18 08:32:55.592 INFO [stderr]    |         ^^^^^^^^^
Dec 18 08:32:55.592 INFO [stderr] 
Dec 18 08:32:55.592 INFO [stderr] warning: field is never used: `stack`
Dec 18 08:32:55.592 INFO [stderr]  --> src/interpreter.rs:5:5
Dec 18 08:32:55.592 INFO [stderr]   |
Dec 18 08:32:55.592 INFO [stderr] 5 |     stack     : Vec<i32>,
Dec 18 08:32:55.592 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 08:32:55.592 INFO [stderr] 
Dec 18 08:32:55.619 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Dec 18 08:32:55.850 INFO running `"docker" "inspect" "70d0887a2eb9165014d3696d5b172861c0ecb8b37df14eb0005405c45958809b"`
Dec 18 08:32:55.970 INFO running `"docker" "rm" "-f" "70d0887a2eb9165014d3696d5b172861c0ecb8b37df14eb0005405c45958809b"`
Dec 18 08:32:56.140 INFO [stdout] 70d0887a2eb9165014d3696d5b172861c0ecb8b37df14eb0005405c45958809b