[INFO] updating cached repository johnboy14/hack_vm_translator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/johnboy14/hack_vm_translator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/johnboy14/hack_vm_translator" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/johnboy14/hack_vm_translator"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/johnboy14/hack_vm_translator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johnboy14/hack_vm_translator" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/johnboy14/hack_vm_translator"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/johnboy14/hack_vm_translator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b631ae0c09bd9a519e0463f6866fe1ea3f3dcfc
[INFO] sha for GitHub repo johnboy14/hack_vm_translator: 7b631ae0c09bd9a519e0463f6866fe1ea3f3dcfc
[INFO] validating manifest of johnboy14/hack_vm_translator on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of johnboy14/hack_vm_translator on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing johnboy14/hack_vm_translator
[INFO] finished frobbing johnboy14/hack_vm_translator
[INFO] frobbed toml for johnboy14/hack_vm_translator written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/johnboy14/hack_vm_translator/Cargo.toml
[INFO] started frobbing johnboy14/hack_vm_translator
[INFO] finished frobbing johnboy14/hack_vm_translator
[INFO] frobbed toml for johnboy14/hack_vm_translator written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/johnboy14/hack_vm_translator/Cargo.toml
[INFO] crate johnboy14/hack_vm_translator has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking johnboy14/hack_vm_translator against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-0/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/johnboy14/hack_vm_translator:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 079e7acfd8f290b821da74342e8b98ab5df628bca083a67eaf7c234d95624fc9
[INFO] running `"docker" "start" "-a" "079e7acfd8f290b821da74342e8b98ab5df628bca083a67eaf7c234d95624fc9"`
[INFO] [stderr]     Checking hack_vm_translator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut file = try!(File::open(vm_file));
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_LABEL`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     C_LABEL,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_GOTO`
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     C_GOTO,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_IF`
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     C_IF,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_FUNCTION`
[INFO] [stderr]   --> src/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     C_FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_RETURN`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     C_RETURN,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_CALL`
[INFO] [stderr]   --> src/parser.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     C_CALL
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_ARITHMETIC` should have a camel case name such as `CArithmetic`
[INFO] [stderr]   --> src/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     C_ARITHMETIC,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_PUSH` should have a camel case name such as `CPush`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     C_PUSH,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_POP` should have a camel case name such as `CPop`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     C_POP,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_LABEL` should have a camel case name such as `CLabel`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     C_LABEL,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_GOTO` should have a camel case name such as `CGoto`
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     C_GOTO,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_IF` should have a camel case name such as `CIf`
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     C_IF,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_FUNCTION` should have a camel case name such as `CFunction`
[INFO] [stderr]   --> src/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     C_FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_RETURN` should have a camel case name such as `CReturn`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     C_RETURN,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_CALL` should have a camel case name such as `CCall`
[INFO] [stderr]   --> src/parser.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     C_CALL
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         parser::parse_file(&vm_file_path, &mut vm_commands);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut file = try!(File::open(vm_file));
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_LABEL`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     C_LABEL,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_GOTO`
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     C_GOTO,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_IF`
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     C_IF,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_FUNCTION`
[INFO] [stderr]   --> src/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     C_FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_RETURN`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     C_RETURN,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C_CALL`
[INFO] [stderr]   --> src/parser.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     C_CALL
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_ARITHMETIC` should have a camel case name such as `CArithmetic`
[INFO] [stderr]   --> src/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     C_ARITHMETIC,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_PUSH` should have a camel case name such as `CPush`
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     C_PUSH,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_POP` should have a camel case name such as `CPop`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     C_POP,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_LABEL` should have a camel case name such as `CLabel`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     C_LABEL,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_GOTO` should have a camel case name such as `CGoto`
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     C_GOTO,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_IF` should have a camel case name such as `CIf`
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     C_IF,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_FUNCTION` should have a camel case name such as `CFunction`
[INFO] [stderr]   --> src/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     C_FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_RETURN` should have a camel case name such as `CReturn`
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     C_RETURN,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_CALL` should have a camel case name such as `CCall`
[INFO] [stderr]   --> src/parser.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     C_CALL
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         parser::parse_file(&vm_file_path, &mut vm_commands);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "079e7acfd8f290b821da74342e8b98ab5df628bca083a67eaf7c234d95624fc9"`
[INFO] running `"docker" "rm" "-f" "079e7acfd8f290b821da74342e8b98ab5df628bca083a67eaf7c234d95624fc9"`
[INFO] [stdout] 079e7acfd8f290b821da74342e8b98ab5df628bca083a67eaf7c234d95624fc9