[INFO] cloning repository https://github.com/FilippoRanza/bf.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FilippoRanza/bf.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFilippoRanza%2Fbf.rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFilippoRanza%2Fbf.rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8adbe158d530e2547693ede835527575893be026
[INFO] checking FilippoRanza/bf.rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFilippoRanza%2Fbf.rs" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FilippoRanza/bf.rs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FilippoRanza/bf.rs
[INFO] finished tweaking git repo https://github.com/FilippoRanza/bf.rs
[INFO] tweaked toml for git repo https://github.com/FilippoRanza/bf.rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/FilippoRanza/bf.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] af1c7262c85390c3968213b123386d0f29f4310ff5ec4aa61346cac86341d6e7
[INFO] running `"docker" "start" "-a" "af1c7262c85390c3968213b123386d0f29f4310ff5ec4aa61346cac86341d6e7"`
[INFO] [stderr]     Checking brainfuck_test2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `compile`
[INFO] [stderr]  --> src/script_engine/compiler/compiler.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn compile(code: &str) -> Result<Vec<Command>, String> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parser`
[INFO] [stderr]  --> src/script_engine/compiler/parser.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn parser(line: &str) -> Result<Vec<Command>, String> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_syntax_error_message`
[INFO] [stderr]   --> src/script_engine/compiler/parser.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn generate_syntax_error_message(count: i32, line: i32) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_brainfuck`
[INFO] [stderr]   --> src/script_engine/compiler/parser.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn is_brainfuck(c: &char) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `brainfuck_value`
[INFO] [stderr]   --> src/script_engine/compiler/parser.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn brainfuck_value(c: char) -> (i32, char) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_char`
[INFO] [stderr]    --> src/script_engine/compiler/parser.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn convert_char(c: char, i: i32) -> Command {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `jump_resolver`
[INFO] [stderr]  --> src/script_engine/compiler/jump_resolver.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn jump_resolver(prog: Vec<Command>) -> Vec<Command> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `JumpResolver`
[INFO] [stderr]   --> src/script_engine/compiler/jump_resolver.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct JumpResolver {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/script_engine/compiler/jump_resolver.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn new() -> JumpResolver {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resolve`
[INFO] [stderr]   --> src/script_engine/compiler/jump_resolver.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn resolve(&mut self, mut prog:  Vec<Command>) -> Vec<Command>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_jumps`
[INFO] [stderr]   --> src/script_engine/compiler/jump_resolver.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn find_jumps(&mut self, prog: & Vec<Command>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_jump`
[INFO] [stderr]   --> src/script_engine/compiler/jump_resolver.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn add_jump(&mut self, curr: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/script_engine/compiler/jump_resolver.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn pop(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resolve_jumps`
[INFO] [stderr]   --> src/script_engine/compiler/jump_resolver.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn resolve_jumps(&self, prog : &mut Vec<Command>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loop`
[INFO] [stderr]  --> src/script_engine/definitions.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Loop(Vec<Command>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]  --> src/script_engine/definitions.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Add(i32),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mem`
[INFO] [stderr]  --> src/script_engine/definitions.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Mem(i32),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Read`
[INFO] [stderr]  --> src/script_engine/definitions.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Read(i32),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Write`
[INFO] [stderr]  --> src/script_engine/definitions.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Write(i32),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ahead`
[INFO] [stderr]  --> src/script_engine/definitions.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Ahead(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Back`
[INFO] [stderr]   --> src/script_engine/definitions.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Back(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Program`
[INFO] [stderr]  --> src/script_engine/program.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Program {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `compile`
[INFO] [stderr]   --> src/script_engine/program.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn compile(code: &str) -> Result<Program, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/script_engine/program.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn new(code: Vec<Command>) -> Program {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loop`
[INFO] [stderr]  --> src/script_engine/definitions.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Loop(Vec<Command>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "af1c7262c85390c3968213b123386d0f29f4310ff5ec4aa61346cac86341d6e7"`
[INFO] running `"docker" "rm" "-f" "af1c7262c85390c3968213b123386d0f29f4310ff5ec4aa61346cac86341d6e7"`
[INFO] [stdout] af1c7262c85390c3968213b123386d0f29f4310ff5ec4aa61346cac86341d6e7