[INFO] updating cached repository https://github.com/JPNYKW/x86-visualizer
[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] 0c336704a3b0b7099c660d35a8bde7afd90dc2cc
[INFO] checking JPNYKW/x86-visualizer against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJPNYKW%2Fx86-visualizer" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JPNYKW/x86-visualizer on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JPNYKW/x86-visualizer
[INFO] finished tweaking git repo https://github.com/JPNYKW/x86-visualizer
[INFO] tweaked toml for git repo https://github.com/JPNYKW/x86-visualizer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JPNYKW/x86-visualizer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 31be72a23b8a88ac37eab2317153bf951229481081464ad137ab1179b8e3b1cd
[INFO] running `"docker" "start" "-a" "31be72a23b8a88ac37eab2317153bf951229481081464ad137ab1179b8e3b1cd"`
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]    Compiling webview-sys v0.4.0
[INFO] [stderr]     Checking web-view v0.6.0
[INFO] [stderr]     Checking x86-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/tokenizer.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |       while (
[INFO] [stderr]    |  ___________^
[INFO] [stderr] 33 | |         asm.chars().nth(index) == Some(' ') ||
[INFO] [stderr] 34 | |         asm.chars().nth(index) == Some(',') ||
[INFO] [stderr] 35 | |         asm.chars().nth(index) == Some('\n')
[INFO] [stderr] 36 | |     ) {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 32 |     while 
[INFO] [stderr] 33 |         asm.chars().nth(index) == Some(' ') ||
[INFO] [stderr] 34 |         asm.chars().nth(index) == Some(',') ||
[INFO] [stderr] 35 |         asm.chars().nth(index) == Some('\n')
[INFO] [stderr] 36 |      {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `integer_registers`
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut integer_registers = registers::IntegerRegisters{ rax: 0, rdi: 0, rsi: 0 };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_integer_registers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let token = result[0];
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> src/interpreter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     program: Vec<[i64; 2]>
[INFO] [stderr]   |     ^^^^^^^ help: consider prefixing with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut integer_registers = registers::IntegerRegisters{ rax: 0, rdi: 0, rsi: 0 };
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     interpreter::run(program);
[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: unnecessary parentheses around `while` condition
[INFO] [stderr]   --> src/tokenizer.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 |       while (
[INFO] [stderr]    |  ___________^
[INFO] [stderr] 33 | |         asm.chars().nth(index) == Some(' ') ||
[INFO] [stderr] 34 | |         asm.chars().nth(index) == Some(',') ||
[INFO] [stderr] 35 | |         asm.chars().nth(index) == Some('\n')
[INFO] [stderr] 36 | |     ) {
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 32 |     while 
[INFO] [stderr] 33 |         asm.chars().nth(index) == Some(' ') ||
[INFO] [stderr] 34 |         asm.chars().nth(index) == Some(',') ||
[INFO] [stderr] 35 |         asm.chars().nth(index) == Some('\n')
[INFO] [stderr] 36 |      {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `integer_registers`
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut integer_registers = registers::IntegerRegisters{ rax: 0, rdi: 0, rsi: 0 };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_integer_registers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let token = result[0];
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]  --> src/interpreter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     program: Vec<[i64; 2]>
[INFO] [stderr]   |     ^^^^^^^ help: consider prefixing with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut integer_registers = registers::IntegerRegisters{ rax: 0, rdi: 0, rsi: 0 };
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     interpreter::run(program);
[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 4.44s
[INFO] running `"docker" "inspect" "31be72a23b8a88ac37eab2317153bf951229481081464ad137ab1179b8e3b1cd"`
[INFO] running `"docker" "rm" "-f" "31be72a23b8a88ac37eab2317153bf951229481081464ad137ab1179b8e3b1cd"`
[INFO] [stdout] 31be72a23b8a88ac37eab2317153bf951229481081464ad137ab1179b8e3b1cd