[INFO] cloning repository https://github.com/KevinCybura/assembly_emulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KevinCybura/assembly_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinCybura%2Fassembly_emulator"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinCybura%2Fassembly_emulator'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b3808c5f50d1819778fecbe834834c09f0b4e028
[INFO] checking KevinCybura/assembly_emulator against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinCybura%2Fassembly_emulator" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KevinCybura/assembly_emulator on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/KevinCybura/assembly_emulator
[INFO] finished tweaking git repo https://github.com/KevinCybura/assembly_emulator
[INFO] tweaked toml for git repo https://github.com/KevinCybura/assembly_emulator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/KevinCybura/assembly_emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 030ae560a4d550334a5f71a271fb30a42e4f9d4d710389597238cf4ae3f1c02e
[INFO] running `"docker" "start" "-a" "030ae560a4d550334a5f71a271fb30a42e4f9d4d710389597238cf4ae3f1c02e"`
[INFO] [stderr]     Checking assembly_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::lexer::Token::Op`
[INFO] [stderr]  --> src/lexer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::lexer::Token::Op;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexer::Token::Op`
[INFO] [stderr]  --> src/lexer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::lexer::Token::Op;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operator`
[INFO] [stderr]   --> src/parser.rs:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn handle_expression(&self, token: Token, operator: Operator) -> Production {
[INFO] [stderr]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn new() -> Expression {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Label`
[INFO] [stderr]   --> src/parser.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Label { token: Token, position: u64 },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expr`
[INFO] [stderr]   --> src/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Expr(Expression),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EOF`
[INFO] [stderr]   --> src/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     EOF,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/parser.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Parser<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn new(code: &'a str) -> Parser<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/parser.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn parse(&self) -> Vec<Production> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_expression`
[INFO] [stderr]   --> src/parser.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn handle_expression(&self, token: Token, operator: Operator) -> Production {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     f.read_to_string(&mut file);
[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: unused variable: `operator`
[INFO] [stderr]   --> src/parser.rs:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn handle_expression(&self, token: Token, operator: Operator) -> Production {
[INFO] [stderr]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EOF`
[INFO] [stderr]   --> src/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     EOF,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]   --> src/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     tokens: Vec<Production>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     f.read_to_string(&mut file);
[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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "030ae560a4d550334a5f71a271fb30a42e4f9d4d710389597238cf4ae3f1c02e"`
[INFO] running `"docker" "rm" "-f" "030ae560a4d550334a5f71a271fb30a42e4f9d4d710389597238cf4ae3f1c02e"`
[INFO] [stdout] 030ae560a4d550334a5f71a271fb30a42e4f9d4d710389597238cf4ae3f1c02e