[INFO] cloning repository https://github.com/Songbird0/my-brainfuck-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Songbird0/my-brainfuck-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSongbird0%2Fmy-brainfuck-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSongbird0%2Fmy-brainfuck-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7845f76437d8df097fcdd1caa345ac6a90044634 [INFO] testing Songbird0/my-brainfuck-interpreter against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSongbird0%2Fmy-brainfuck-interpreter" "/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/Songbird0/my-brainfuck-interpreter on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Songbird0/my-brainfuck-interpreter [INFO] finished tweaking git repo https://github.com/Songbird0/my-brainfuck-interpreter [INFO] tweaked toml for git repo https://github.com/Songbird0/my-brainfuck-interpreter written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Songbird0/my-brainfuck-interpreter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 6b66ca8ebaee66ca9046d7700a27ea934313e38fff1d78776bea753ebd732ddd [INFO] running `Command { std: "docker" "start" "-a" "6b66ca8ebaee66ca9046d7700a27ea934313e38fff1d78776bea753ebd732ddd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b66ca8ebaee66ca9046d7700a27ea934313e38fff1d78776bea753ebd732ddd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b66ca8ebaee66ca9046d7700a27ea934313e38fff1d78776bea753ebd732ddd", kill_on_drop: false }` [INFO] [stdout] 6b66ca8ebaee66ca9046d7700a27ea934313e38fff1d78776bea753ebd732ddd [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] d8e79dbfd8f5774eff6a981baba7aecacabe9b7eb31b9a0a131f8bfdf78ba7e6 [INFO] running `Command { std: "docker" "start" "-a" "d8e79dbfd8f5774eff6a981baba7aecacabe9b7eb31b9a0a131f8bfdf78ba7e6", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling brainfuck_interpreter v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/parser/io.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parser::ram` [INFO] [stdout] --> src/parser/program.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::parser::ram; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Debug` [INFO] [stdout] --> src/parser/ast.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{self, Debug}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `program_ptr` [INFO] [stdout] --> src/parser/program.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | let program_ptr: &usize = &interpreter.program_ptr; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser/ast.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | self.ram[..].fmt(f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser/ast.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | self.program.fmt(f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.35s [INFO] running `Command { std: "docker" "inspect" "d8e79dbfd8f5774eff6a981baba7aecacabe9b7eb31b9a0a131f8bfdf78ba7e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8e79dbfd8f5774eff6a981baba7aecacabe9b7eb31b9a0a131f8bfdf78ba7e6", kill_on_drop: false }` [INFO] [stdout] d8e79dbfd8f5774eff6a981baba7aecacabe9b7eb31b9a0a131f8bfdf78ba7e6 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] c07694169a9abe560628056ee152dccd8ece5db6c5a14eaa2349e595998720b4 [INFO] running `Command { std: "docker" "start" "-a" "c07694169a9abe560628056ee152dccd8ece5db6c5a14eaa2349e595998720b4", kill_on_drop: false }` [INFO] [stderr] Compiling brainfuck_interpreter v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/parser/io.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parser::ram` [INFO] [stdout] --> src/parser/program.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::parser::ram; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Debug` [INFO] [stdout] --> src/parser/ast.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{self, Debug}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `program_ptr` [INFO] [stdout] --> src/parser/program.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | let program_ptr: &usize = &interpreter.program_ptr; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser/ast.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | self.ram[..].fmt(f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser/ast.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | self.program.fmt(f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/parser/io.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> tests/helloworld.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Debug` [INFO] [stdout] --> src/parser/ast.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{self, Debug}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `program_ptr` [INFO] [stdout] --> src/parser/program.rs:22:21 [INFO] [stdout] | [INFO] [stdout] 22 | let program_ptr: &usize = &interpreter.program_ptr; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut interpreter = right(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let mut interpreter = right(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut interpreter = left(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let mut interpreter = increment(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/ram.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | let mut interpreter = decrement(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut interpreter = loop_beginning(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | let mut interpreter = loop_beginning(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let mut interpreter = ast::Interpreter { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let mut interpreter = loop_beginning(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 124 | let mut interpreter = loop_beginning(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let mut interpreter = loop_ending(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parser/program.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | let mut interpreter = loop_ending(interpreter); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser/ast.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | self.ram[..].fmt(f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser/ast.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | self.program.fmt(f); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.65s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/brainfuck_interpreter-f9720a2bad67224d) [INFO] [stderr] Executable unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-8a57f72e5e734ad9) [INFO] [stderr] Executable tests/helloworld.rs (/opt/rustwide/target/debug/deps/helloworld-0ea8c588783d1548) [INFO] running `Command { std: "docker" "inspect" "c07694169a9abe560628056ee152dccd8ece5db6c5a14eaa2349e595998720b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c07694169a9abe560628056ee152dccd8ece5db6c5a14eaa2349e595998720b4", kill_on_drop: false }` [INFO] [stdout] c07694169a9abe560628056ee152dccd8ece5db6c5a14eaa2349e595998720b4 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 3d678513cd37f9ab2202e72f746b91a5c6d8327b02e6c92a658fa40f4f17a078 [INFO] running `Command { std: "docker" "start" "-a" "3d678513cd37f9ab2202e72f746b91a5c6d8327b02e6c92a658fa40f4f17a078", kill_on_drop: false }` [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/parser/io.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::{self, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::parser::ram` [INFO] [stderr] --> src/parser/program.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::parser::ram; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Debug` [INFO] [stderr] --> src/parser/ast.rs:2:22 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt::{self, Debug}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `program_ptr` [INFO] [stderr] --> src/parser/program.rs:22:21 [INFO] [stderr] | [INFO] [stderr] 22 | let program_ptr: &usize = &interpreter.program_ptr; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program_ptr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/parser/ast.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | self.ram[..].fmt(f); [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 `Result` that must be used [INFO] [stderr] --> src/parser/ast.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | self.program.fmt(f); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut interpreter = ast::Interpreter { [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: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut interpreter = right(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let mut interpreter = right(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let mut interpreter = left(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | let mut interpreter = increment(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/ram.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | let mut interpreter = decrement(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | let mut interpreter = ast::Interpreter { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:124:9 [INFO] [stderr] | [INFO] [stderr] 124 | let mut interpreter = loop_beginning(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:168:9 [INFO] [stderr] | [INFO] [stderr] 168 | let mut interpreter = loop_ending(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/program.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | let mut interpreter = loop_ending(interpreter); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `brainfuck_interpreter` (lib) generated 7 warnings [INFO] [stderr] warning: `brainfuck_interpreter` (lib test) generated 25 warnings (6 duplicates) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> tests/helloworld.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `brainfuck_interpreter` (test "helloworld") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/brainfuck_interpreter-f9720a2bad67224d) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test parser::io::feed_single_token ... ignored [INFO] [stdout] test parser::program::loop_beginning_3_empty_nested_loop_1_level_of_imbrication ... ok [INFO] [stdout] test parser::program::loop_beginning_3_empty_nested_loop_2_level_of_imbrication ... ok [INFO] [stdout] test parser::program::loop_beginning_empty_loop_and_cell_equals_zero ... ok [INFO] [stdout] test parser::io::print_single_token ... ok [INFO] [stdout] test parser::io::print_the_character_b ... ok [INFO] [stdout] test parser::ram::increment_single_token ... ok [INFO] [stdout] test parser::ram::decrement_single_token ... ok [INFO] [stdout] test parser::ram::left_go_to_right_and_go_back_to_left ... ok [INFO] [stdout] test parser::program::loop_ending_integration_with_loop_beginning_single_loop ... ok [INFO] [stdout] test parser::ram::right_a_simple_token ... ok [INFO] [stdout] test parser::program::loop_ending_integration_with_loop_beginning_nested_loop ... ok [INFO] [stderr] Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-8a57f72e5e734ad9) [INFO] [stdout] test parser::ram::left_a_simple_token - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.15s [INFO] [stdout] [INFO] [stderr] Running tests/helloworld.rs (/opt/rustwide/target/debug/deps/helloworld-0ea8c588783d1548) [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test helloworld_debug_trait ... ok [INFO] [stdout] test helloworld_case ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s [INFO] [stdout] [INFO] [stderr] Doc-tests brainfuck_interpreter [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" "3d678513cd37f9ab2202e72f746b91a5c6d8327b02e6c92a658fa40f4f17a078", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d678513cd37f9ab2202e72f746b91a5c6d8327b02e6c92a658fa40f4f17a078", kill_on_drop: false }` [INFO] [stdout] 3d678513cd37f9ab2202e72f746b91a5c6d8327b02e6c92a658fa40f4f17a078