[INFO] updating cached repository https://github.com/johnboy14/hack_vm_translator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b631ae0c09bd9a519e0463f6866fe1ea3f3dcfc
[INFO] checking johnboy14/hack_vm_translator against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnboy14%2Fhack_vm_translator" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnboy14/hack_vm_translator on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johnboy14/hack_vm_translator
[INFO] finished tweaking git repo https://github.com/johnboy14/hack_vm_translator
[INFO] tweaked toml for git repo https://github.com/johnboy14/hack_vm_translator written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/johnboy14/hack_vm_translator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 152c215c07788021e8ed59472ded4dc6f96715d4647314a286d991241beeb039
[INFO] running `"docker" "start" "-a" "152c215c07788021e8ed59472ded4dc6f96715d4647314a286d991241beeb039"`
[INFO] [stderr]     Checking hack_vm_translator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |             let entry = try!(entry);
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(push_entries_with_ext(&path, ext, buf, push_fn));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:29:20
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut file = try!(File::open(vm_file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | ...                   push_fn: &Fn(PathBuf, &mut Vec<PathBuf>)) -> io::Result<()> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(PathBuf, &mut Vec<PathBuf>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_ARITHMETIC` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     C_ARITHMETIC,
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CArithmetic`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_PUSH` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     C_PUSH,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `CPush`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_POP` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     C_POP,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `CPop`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_LABEL` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     C_LABEL,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `CLabel`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_GOTO` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     C_GOTO,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `CGoto`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_IF` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     C_IF,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `CIf`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_FUNCTION` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     C_FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `CFunction`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_RETURN` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     C_RETURN,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `CReturn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_CALL` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     C_CALL
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `CCall`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |             let entry = try!(entry);
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/file.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(push_entries_with_ext(&path, ext, buf, push_fn));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:29:20
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut file = try!(File::open(vm_file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/file.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 | ...                   push_fn: &Fn(PathBuf, &mut Vec<PathBuf>)) -> io::Result<()> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(PathBuf, &mut Vec<PathBuf>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_ARITHMETIC` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     C_ARITHMETIC,
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CArithmetic`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_PUSH` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     C_PUSH,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `CPush`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_POP` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     C_POP,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `CPop`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_LABEL` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     C_LABEL,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to upper camel case: `CLabel`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_GOTO` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     C_GOTO,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `CGoto`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_IF` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     C_IF,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `CIf`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_FUNCTION` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     C_FUNCTION,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `CFunction`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_RETURN` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     C_RETURN,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `CReturn`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C_CALL` should have an upper camel case name
[INFO] [stderr]   --> src/parser.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     C_CALL
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `CCall`
[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: 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: 22 warnings emitted
[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: 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: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "152c215c07788021e8ed59472ded4dc6f96715d4647314a286d991241beeb039"`
[INFO] running `"docker" "rm" "-f" "152c215c07788021e8ed59472ded4dc6f96715d4647314a286d991241beeb039"`
[INFO] [stdout] 152c215c07788021e8ed59472ded4dc6f96715d4647314a286d991241beeb039