[INFO] updating cached repository AntonioCarta/dragon_compiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AntonioCarta/dragon_compiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AntonioCarta/dragon_compiler" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/AntonioCarta/dragon_compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/AntonioCarta/dragon_compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AntonioCarta/dragon_compiler" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/AntonioCarta/dragon_compiler"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/AntonioCarta/dragon_compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63446519197371c6da920314494ad8a50b072833
[INFO] sha for GitHub repo AntonioCarta/dragon_compiler: 63446519197371c6da920314494ad8a50b072833
[INFO] validating manifest of AntonioCarta/dragon_compiler on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AntonioCarta/dragon_compiler on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AntonioCarta/dragon_compiler
[INFO] finished frobbing AntonioCarta/dragon_compiler
[INFO] frobbed toml for AntonioCarta/dragon_compiler written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/AntonioCarta/dragon_compiler/Cargo.toml
[INFO] started frobbing AntonioCarta/dragon_compiler
[INFO] finished frobbing AntonioCarta/dragon_compiler
[INFO] frobbed toml for AntonioCarta/dragon_compiler written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/AntonioCarta/dragon_compiler/Cargo.toml
[INFO] crate AntonioCarta/dragon_compiler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AntonioCarta/dragon_compiler against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/AntonioCarta/dragon_compiler:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4616c9beb85127ae3b0ac5e916771aba764cf98dbea03a48dadfb6ba5a6d4d7f
[INFO] running `"docker" "start" "-a" "4616c9beb85127ae3b0ac5e916771aba764cf98dbea03a48dadfb6ba5a6d4d7f"`
[INFO] [stderr]     Checking mini_compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `AddressMode`, `Address`
[INFO] [stderr]  --> src/interpreter.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
[INFO] [stderr]   |                              ^^^^^^^^^^^               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scanner`
[INFO] [stderr]  --> src/test/lexer_test.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use lexer::{Scanner};
[INFO] [stderr]   |             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AddressMode`, `Address`
[INFO] [stderr]  --> src/interpreter.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use code_generator::{OpCode, AddressMode, AddressCode, Address, IntermediateRepresentation};
[INFO] [stderr]   |                              ^^^^^^^^^^^               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lexer.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn new() -> Scanner {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/code_generator.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         id  : i32,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `stack`
[INFO] [stderr]  --> src/interpreter.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     stack     : Vec<i32>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lexer.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn new() -> Scanner {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SAst`
[INFO] [stderr]  --> src/test/parser_test.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     type SAst = Box<S>;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/test/parser_test.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn add(e1 : NAst, e2 : NAst) -> NAst { nbox(N::Add(e1, e2)) }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/code_generator.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         id  : i32,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `stack`
[INFO] [stderr]  --> src/interpreter.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     stack     : Vec<i32>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "4616c9beb85127ae3b0ac5e916771aba764cf98dbea03a48dadfb6ba5a6d4d7f"`
[INFO] running `"docker" "rm" "-f" "4616c9beb85127ae3b0ac5e916771aba764cf98dbea03a48dadfb6ba5a6d4d7f"`
[INFO] [stdout] 4616c9beb85127ae3b0ac5e916771aba764cf98dbea03a48dadfb6ba5a6d4d7f