[INFO] cloning repository https://github.com/natanalt/jitbf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natanalt/jitbf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatanalt%2Fjitbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatanalt%2Fjitbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34f1cd807aec6d9a0f9add73ddadfe662b77fe4e
[INFO] testing natanalt/jitbf against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatanalt%2Fjitbf" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natanalt/jitbf on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/natanalt/jitbf
[INFO] finished tweaking git repo https://github.com/natanalt/jitbf
[INFO] tweaked toml for git repo https://github.com/natanalt/jitbf written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/natanalt/jitbf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57e431fcf9a374ad0566721858ff95dd8b7fb5276aabfbc0c693d5572ae1839f
[INFO] running `Command { std: "docker" "start" "-a" "57e431fcf9a374ad0566721858ff95dd8b7fb5276aabfbc0c693d5572ae1839f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e431fcf9a374ad0566721858ff95dd8b7fb5276aabfbc0c693d5572ae1839f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e431fcf9a374ad0566721858ff95dd8b7fb5276aabfbc0c693d5572ae1839f", kill_on_drop: false }`
[INFO] [stdout] 57e431fcf9a374ad0566721858ff95dd8b7fb5276aabfbc0c693d5572ae1839f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f4c696e2b800aa8a447aed7d41d32046be8aeb0363d8742b95b2fb45adec529
[INFO] running `Command { std: "docker" "start" "-a" "4f4c696e2b800aa8a447aed7d41d32046be8aeb0363d8742b95b2fb45adec529", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling jitbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::engines::ExecutionEngine`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::engines::ExecutionEngine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_amount`
[INFO] [stdout]   --> src/engines/interpreter/mod.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let node_amount = code.node_amount();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_amount`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/code/position.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_char`
[INFO] [stdout]   --> src/code/position.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn process_char(&mut self, c: char) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValInc`
[INFO] [stdout]  --> src/code/code_block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ValInc(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValDec`
[INFO] [stdout]  --> src/code/code_block.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ValDec(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PtrInc`
[INFO] [stdout]  --> src/code/code_block.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PtrInc(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PtrDec`
[INFO] [stdout]  --> src/code/code_block.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PtrDec(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Output`
[INFO] [stdout]  --> src/code/code_block.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Output(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]   --> src/code/code_block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Input(Position),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoopOpen`
[INFO] [stdout]   --> src/code/code_block.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LoopOpen { p: Position, close_index: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoopClose`
[INFO] [stdout]   --> src/code/code_block.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     LoopClose { p: Position, open_index: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedLoopClose`
[INFO] [stdout]   --> src/code/code_block.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     UnexpectedLoopClose(Position),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedEndOfCode`
[INFO] [stdout]   --> src/code/code_block.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     UnexpectedEndOfCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoopStackCorruption`
[INFO] [stdout]   --> src/code/code_block.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     LoopStackCorruption,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/code/code_block.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn parse(code: &str) -> Result<CodeBlock, ParseError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index_from_position`
[INFO] [stdout]    --> src/code/code_block.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn index_from_position(&self, pos: Position) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `settings`
[INFO] [stdout]   --> src/engines/interpreter/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     settings: EngineSettings,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eax`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Eax,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ebx`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Ebx,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ecx`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Ecx,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Edx`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Edx,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Esi`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Esi,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Edi`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Edi,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MoveRegister`
[INFO] [stdout]   --> src/engines/jit_x86/assembler.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     MoveRegister { dest: Register, src: Register },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const CODE: &str = "+[-[<<[+[--->]-[<<<]]]>>>-]>-.---.>..>.<<<<-.<+.>>>>>.>.<<.<-.";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f4c696e2b800aa8a447aed7d41d32046be8aeb0363d8742b95b2fb45adec529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4c696e2b800aa8a447aed7d41d32046be8aeb0363d8742b95b2fb45adec529", kill_on_drop: false }`
[INFO] [stdout] 4f4c696e2b800aa8a447aed7d41d32046be8aeb0363d8742b95b2fb45adec529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7320aa8d2dd07294c087816a1129aa6dbe4742eb3ffc6c909b9c4bacc135da4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7320aa8d2dd07294c087816a1129aa6dbe4742eb3ffc6c909b9c4bacc135da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling jitbf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::engines::ExecutionEngine`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::engines::ExecutionEngine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_amount`
[INFO] [stdout]   --> src/engines/interpreter/mod.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let node_amount = code.node_amount();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_amount`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/code/position.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_char`
[INFO] [stdout]   --> src/code/position.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn process_char(&mut self, c: char) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValInc`
[INFO] [stdout]  --> src/code/code_block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ValInc(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ValDec`
[INFO] [stdout]  --> src/code/code_block.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ValDec(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PtrInc`
[INFO] [stdout]  --> src/code/code_block.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PtrInc(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PtrDec`
[INFO] [stdout]  --> src/code/code_block.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     PtrDec(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Output`
[INFO] [stdout]  --> src/code/code_block.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Output(Position),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]   --> src/code/code_block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Input(Position),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoopOpen`
[INFO] [stdout]   --> src/code/code_block.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LoopOpen { p: Position, close_index: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoopClose`
[INFO] [stdout]   --> src/code/code_block.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     LoopClose { p: Position, open_index: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedLoopClose`
[INFO] [stdout]   --> src/code/code_block.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     UnexpectedLoopClose(Position),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedEndOfCode`
[INFO] [stdout]   --> src/code/code_block.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     UnexpectedEndOfCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoopStackCorruption`
[INFO] [stdout]   --> src/code/code_block.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     LoopStackCorruption,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/code/code_block.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn parse(code: &str) -> Result<CodeBlock, ParseError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index_from_position`
[INFO] [stdout]    --> src/code/code_block.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn index_from_position(&self, pos: Position) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `settings`
[INFO] [stdout]   --> src/engines/interpreter/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     settings: EngineSettings,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eax`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Eax,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ebx`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Ebx,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ecx`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Ecx,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Edx`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Edx,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Esi`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Esi,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Edi`
[INFO] [stdout]  --> src/engines/jit_x86/assembler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Edi,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MoveRegister`
[INFO] [stdout]   --> src/engines/jit_x86/assembler.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     MoveRegister { dest: Register, src: Register },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CODE`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const CODE: &str = "+[-[<<[+[--->]-[<<<]]]>>>-]>-.---.>..>.<<<<-.<+.>>>>>.>.<<.<-.";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d7320aa8d2dd07294c087816a1129aa6dbe4742eb3ffc6c909b9c4bacc135da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7320aa8d2dd07294c087816a1129aa6dbe4742eb3ffc6c909b9c4bacc135da4", kill_on_drop: false }`
[INFO] [stdout] d7320aa8d2dd07294c087816a1129aa6dbe4742eb3ffc6c909b9c4bacc135da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c99a42d9af80c8a1e0fae0f182b6797cb363f16c441dd93c28fb14f022dfc65c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c99a42d9af80c8a1e0fae0f182b6797cb363f16c441dd93c28fb14f022dfc65c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::engines::ExecutionEngine`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::engines::ExecutionEngine;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_amount`
[INFO] [stderr]   --> src/engines/interpreter/mod.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let node_amount = code.node_amount();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_amount`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/code/position.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `process_char`
[INFO] [stderr]   --> src/code/position.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn process_char(&mut self, c: char) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ValInc`
[INFO] [stderr]  --> src/code/code_block.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     ValInc(Position),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ValDec`
[INFO] [stderr]  --> src/code/code_block.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     ValDec(Position),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PtrInc`
[INFO] [stderr]  --> src/code/code_block.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     PtrInc(Position),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PtrDec`
[INFO] [stderr]  --> src/code/code_block.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     PtrDec(Position),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Output`
[INFO] [stderr]  --> src/code/code_block.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Output(Position),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Input`
[INFO] [stderr]   --> src/code/code_block.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Input(Position),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoopOpen`
[INFO] [stderr]   --> src/code/code_block.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     LoopOpen { p: Position, close_index: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoopClose`
[INFO] [stderr]   --> src/code/code_block.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     LoopClose { p: Position, open_index: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedLoopClose`
[INFO] [stderr]   --> src/code/code_block.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     UnexpectedLoopClose(Position),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedEndOfCode`
[INFO] [stderr]   --> src/code/code_block.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     UnexpectedEndOfCode,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoopStackCorruption`
[INFO] [stderr]   --> src/code/code_block.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     LoopStackCorruption,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse`
[INFO] [stderr]   --> src/code/code_block.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn parse(code: &str) -> Result<CodeBlock, ParseError> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `index_from_position`
[INFO] [stderr]    --> src/code/code_block.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn index_from_position(&self, pos: Position) -> Option<usize> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `settings`
[INFO] [stderr]   --> src/engines/interpreter/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     settings: EngineSettings,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eax`
[INFO] [stderr]  --> src/engines/jit_x86/assembler.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Eax,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ebx`
[INFO] [stderr]  --> src/engines/jit_x86/assembler.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Ebx,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ecx`
[INFO] [stderr]  --> src/engines/jit_x86/assembler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Ecx,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Edx`
[INFO] [stderr]  --> src/engines/jit_x86/assembler.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Edx,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Esi`
[INFO] [stderr]  --> src/engines/jit_x86/assembler.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Esi,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Edi`
[INFO] [stderr]  --> src/engines/jit_x86/assembler.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Edi,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MoveRegister`
[INFO] [stderr]   --> src/engines/jit_x86/assembler.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     MoveRegister { dest: Register, src: Register },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CODE`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const CODE: &str = "+[-[<<[+[--->]-[<<<]]]>>>-]>-.---.>..>.<<<<-.<+.>>>>>.>.<<.<-.";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `jitbf` (bin "jitbf" test) generated 26 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jitbf-ebf27878955fa014)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c99a42d9af80c8a1e0fae0f182b6797cb363f16c441dd93c28fb14f022dfc65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99a42d9af80c8a1e0fae0f182b6797cb363f16c441dd93c28fb14f022dfc65c", kill_on_drop: false }`
[INFO] [stdout] c99a42d9af80c8a1e0fae0f182b6797cb363f16c441dd93c28fb14f022dfc65c