[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/beta-1.38-1/sources/1.37.0/gh/AntonioCarta/dragon_compiler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AntonioCarta/dragon_compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AntonioCarta/dragon_compiler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AntonioCarta/dragon_compiler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AntonioCarta/dragon_compiler on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/AntonioCarta/dragon_compiler/Cargo.toml
[INFO] crate AntonioCarta/dragon_compiler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing AntonioCarta/dragon_compiler against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 097f040ce82c009ca457a6f15b80c7ed5e891a5645762b1616fd0a4ba86cab99
[INFO] running `"docker" "start" "-a" "097f040ce82c009ca457a6f15b80c7ed5e891a5645762b1616fd0a4ba86cab99"`
[INFO] [stderr]    Compiling mini_compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |             '0' ... '9' => self.scan_number(),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |             'a' ... 'z' |
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             'A' ... 'Z' => self.scan_iden_keyword(),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[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]   = note: #[warn(unused_imports)] on by default
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "097f040ce82c009ca457a6f15b80c7ed5e891a5645762b1616fd0a4ba86cab99"`
[INFO] running `"docker" "rm" "-f" "097f040ce82c009ca457a6f15b80c7ed5e891a5645762b1616fd0a4ba86cab99"`
[INFO] [stdout] 097f040ce82c009ca457a6f15b80c7ed5e891a5645762b1616fd0a4ba86cab99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6eac9deee54a24933e05c7dab9374bf2ce4bde0b53d8d751952c1dd6cfed235
[INFO] running `"docker" "start" "-a" "a6eac9deee54a24933e05c7dab9374bf2ce4bde0b53d8d751952c1dd6cfed235"`
[INFO] [stderr]    Compiling mini_compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |             '0' ... '9' => self.scan_number(),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |             'a' ... 'z' |
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |             'A' ... 'Z' => self.scan_iden_keyword(),
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[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: 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 1.09s
[INFO] running `"docker" "inspect" "a6eac9deee54a24933e05c7dab9374bf2ce4bde0b53d8d751952c1dd6cfed235"`
[INFO] running `"docker" "rm" "-f" "a6eac9deee54a24933e05c7dab9374bf2ce4bde0b53d8d751952c1dd6cfed235"`
[INFO] [stdout] a6eac9deee54a24933e05c7dab9374bf2ce4bde0b53d8d751952c1dd6cfed235
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 91002a9b940fef4435a9e62ff9d438f24067ae17ab3fefc35b3ed583d99d7e4b
[INFO] running `"docker" "start" "-a" "91002a9b940fef4435a9e62ff9d438f24067ae17ab3fefc35b3ed583d99d7e4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mini_compiler-89433d209ed65da6
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::parser_test::test::stmt_test ... ok
[INFO] [stdout] test test::parser_test::test::prog_test ... ok
[INFO] [stdout] test test::parser_test::test::numexpr_test ... ok
[INFO] [stdout] test test::parser_test::test::decl_test ... ok
[INFO] [stdout] test test::parser_test::test::bool_test ... ok
[INFO] [stdout] test test::lexer_test::test::basic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "91002a9b940fef4435a9e62ff9d438f24067ae17ab3fefc35b3ed583d99d7e4b"`
[INFO] running `"docker" "rm" "-f" "91002a9b940fef4435a9e62ff9d438f24067ae17ab3fefc35b3ed583d99d7e4b"`
[INFO] [stdout] 91002a9b940fef4435a9e62ff9d438f24067ae17ab3fefc35b3ed583d99d7e4b