[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#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsprdp%2Fbrainfuck-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sprdp/brainfuck-rs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sprdp/brainfuck-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] a30ef057d7bd30b335861ac208357745a6df5faac8424c85b442e5bac9844984
[INFO] running `Command { std: "docker" "start" "-a" "a30ef057d7bd30b335861ac208357745a6df5faac8424c85b442e5bac9844984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30ef057d7bd30b335861ac208357745a6df5faac8424c85b442e5bac9844984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30ef057d7bd30b335861ac208357745a6df5faac8424c85b442e5bac9844984", kill_on_drop: false }`
[INFO] [stdout] a30ef057d7bd30b335861ac208357745a6df5faac8424c85b442e5bac9844984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d2a78d0518568c41b7cc3852f4676b86673359900ab22bd0d4bd022618a3ca
[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" "50d2a78d0518568c41b7cc3852f4676b86673359900ab22bd0d4bd022618a3ca", kill_on_drop: false }`
[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)]` 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: 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)]` 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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/vm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     stack: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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)]` 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: field is never read: `stack`
[INFO] [stdout]   --> src/vm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     stack: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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)]` 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 `std::result::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: `#[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 `std::result::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] 
[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: unused `std::result::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: `#[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 `std::result::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] 
[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: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "50d2a78d0518568c41b7cc3852f4676b86673359900ab22bd0d4bd022618a3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d2a78d0518568c41b7cc3852f4676b86673359900ab22bd0d4bd022618a3ca", kill_on_drop: false }`
[INFO] [stdout] 50d2a78d0518568c41b7cc3852f4676b86673359900ab22bd0d4bd022618a3ca