[INFO] cloning repository https://github.com/sprdp/brainfuck-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sprdp/brainfuck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsprdp%2Fbrainfuck-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsprdp%2Fbrainfuck-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e925a6ad97484a5c139fa92b2864c166a0cebdff
[INFO] checking sprdp/brainfuck-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsprdp%2Fbrainfuck-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sprdp/brainfuck-rs
[INFO] finished tweaking git repo https://github.com/sprdp/brainfuck-rs
[INFO] tweaked toml for git repo https://github.com/sprdp/brainfuck-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sprdp/brainfuck-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sprdp/brainfuck-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f7b7d02f8244dac6c19ba36c9774e3d336c5e9eef6ed08bdc4c361bdeded8a1
[INFO] running `Command { std: "docker" "start" "-a" "9f7b7d02f8244dac6c19ba36c9774e3d336c5e9eef6ed08bdc4c361bdeded8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f7b7d02f8244dac6c19ba36c9774e3d336c5e9eef6ed08bdc4c361bdeded8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7b7d02f8244dac6c19ba36c9774e3d336c5e9eef6ed08bdc4c361bdeded8a1", kill_on_drop: false }`
[INFO] [stdout] 9f7b7d02f8244dac6c19ba36c9774e3d336c5e9eef6ed08bdc4c361bdeded8a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a48c26d7082506a5c3d576b331f5145c1ceb6bd20e19913bd4c087a8440015f
[INFO] running `Command { std: "docker" "start" "-a" "3a48c26d7082506a5c3d576b331f5145c1ceb6bd20e19913bd4c087a8440015f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking bfrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `incrPtr` should have an upper camel case name
[INFO] [stdout]  --> src/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     incrPtr,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `IncrPtr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `decrPtr` should have an upper camel case name
[INFO] [stdout]  --> src/vm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     decrPtr,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `DecrPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `incrByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     incrByte,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `IncrByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `decrByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     decrByte,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `DecrByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `writeByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     writeByte,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `WriteByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `readByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     readByte,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ReadByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jumpStart` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     jumpStart(usize),
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `JumpStart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jumpEnd` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     jumpEnd(usize),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `JumpEnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/parser.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for (i, c) in instructions.chars().enumerate() {
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> src/vm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct MachineState {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     stack: Vec<usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `cellArray` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     cellArray: [u8; CELLS],
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `cell_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dataPtr` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     dataPtr: usize,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `data_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 self.output_stream.write(&[self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 let _ = self.output_stream.write(&[self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 self.input_stream.read(&mut [self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = self.input_stream.read(&mut [self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tokenCount` should have a snake case name
[INFO] [stdout]  --> src/parser.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut tokenCount: usize = 0;
[INFO] [stdout]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `token_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `incrPtr` should have an upper camel case name
[INFO] [stdout]  --> src/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     incrPtr,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `IncrPtr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `decrPtr` should have an upper camel case name
[INFO] [stdout]  --> src/vm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     decrPtr,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `DecrPtr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `incrByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     incrByte,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `IncrByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `decrByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     decrByte,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `DecrByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `writeByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     writeByte,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `WriteByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `readByte` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     readByte,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ReadByte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jumpStart` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     jumpStart(usize),
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `JumpStart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jumpEnd` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     jumpEnd(usize),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `JumpEnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/parser.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     for (i, c) in instructions.chars().enumerate() {
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> src/vm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct MachineState {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     stack: Vec<usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `cellArray` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     cellArray: [u8; CELLS],
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `cell_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dataPtr` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     dataPtr: usize,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `data_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 self.output_stream.write(&[self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 let _ = self.output_stream.write(&[self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 self.input_stream.read(&mut [self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = self.input_stream.read(&mut [self.state.cellArray[self.state.dataPtr]]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tokenCount` should have a snake case name
[INFO] [stdout]  --> src/parser.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut tokenCount: usize = 0;
[INFO] [stdout]   |             ^^^^^^^^^^ help: convert the identifier to snake case: `token_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "3a48c26d7082506a5c3d576b331f5145c1ceb6bd20e19913bd4c087a8440015f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a48c26d7082506a5c3d576b331f5145c1ceb6bd20e19913bd4c087a8440015f", kill_on_drop: false }`
[INFO] [stdout] 3a48c26d7082506a5c3d576b331f5145c1ceb6bd20e19913bd4c087a8440015f
