[INFO] updating cached repository https://github.com/mareek/BrainRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 72b7793b92eecfc6b61fde6c090d006ab616777e
[INFO] testing mareek/BrainRust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmareek%2FBrainRust" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mareek/BrainRust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mareek/BrainRust
[INFO] finished tweaking git repo https://github.com/mareek/BrainRust
[INFO] tweaked toml for git repo https://github.com/mareek/BrainRust written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mareek/BrainRust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e4bbf6e13111cbe980e42edfee14bff546154d042deb369ce28f3cb174c42ed4
[INFO] running `"docker" "start" "-a" "e4bbf6e13111cbe980e42edfee14bff546154d042deb369ce28f3cb174c42ed4"`
[INFO] [stderr]    Compiling brain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     blocks: Vec<Box<CodeBlock>>
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |     blocks: Vec<Box<CodeBlock>>,
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/interpreter.rs:101:71
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn get_code_block(instructions: &mut Chars, instruction: char) -> Box<CodeBlock> {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_single_program`
[INFO] [stderr]  --> src/fuzzer.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn generate_single_program() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "e4bbf6e13111cbe980e42edfee14bff546154d042deb369ce28f3cb174c42ed4"`
[INFO] running `"docker" "rm" "-f" "e4bbf6e13111cbe980e42edfee14bff546154d042deb369ce28f3cb174c42ed4"`
[INFO] [stdout] e4bbf6e13111cbe980e42edfee14bff546154d042deb369ce28f3cb174c42ed4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 95d8abb1f4420a34288810ff6c293aa6bc061c196ba9ad5a5922d35b898a469b
[INFO] running `"docker" "start" "-a" "95d8abb1f4420a34288810ff6c293aa6bc061c196ba9ad5a5922d35b898a469b"`
[INFO] [stderr]    Compiling brain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |     blocks: Vec<Box<CodeBlock>>
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |     blocks: Vec<Box<CodeBlock>>,
[INFO] [stderr]    |                     ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/interpreter.rs:101:71
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn get_code_block(instructions: &mut Chars, instruction: char) -> Box<CodeBlock> {
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn CodeBlock`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_single_program`
[INFO] [stderr]  --> src/fuzzer.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn generate_single_program() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "95d8abb1f4420a34288810ff6c293aa6bc061c196ba9ad5a5922d35b898a469b"`
[INFO] running `"docker" "rm" "-f" "95d8abb1f4420a34288810ff6c293aa6bc061c196ba9ad5a5922d35b898a469b"`
[INFO] [stdout] 95d8abb1f4420a34288810ff6c293aa6bc061c196ba9ad5a5922d35b898a469b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 244ddcd3f0d327cb928f7990babb641fe6f12f081ba93e0e94896bc424776818
[INFO] running `"docker" "start" "-a" "244ddcd3f0d327cb928f7990babb641fe6f12f081ba93e0e94896bc424776818"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brain_rust-10867d4938187fab
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "244ddcd3f0d327cb928f7990babb641fe6f12f081ba93e0e94896bc424776818"`
[INFO] running `"docker" "rm" "-f" "244ddcd3f0d327cb928f7990babb641fe6f12f081ba93e0e94896bc424776818"`
[INFO] [stdout] 244ddcd3f0d327cb928f7990babb641fe6f12f081ba93e0e94896bc424776818