[INFO] cloning repository https://github.com/obellish/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/obellish/brainfuck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobellish%2Fbrainfuck-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobellish%2Fbrainfuck-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b54871dd5baf31dce869d13f2b6e57ddb5cb2a39
[INFO] checking obellish/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%2Fobellish%2Fbrainfuck-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/obellish/brainfuck-rs
[INFO] finished tweaking git repo https://github.com/obellish/brainfuck-rs
[INFO] tweaked toml for git repo https://github.com/obellish/brainfuck-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obellish/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/obellish/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8f48af16c6ecbe3dd5b5ca081abc0f56ae83ad554c37159c3578db396ab039b1
[INFO] running `Command { std: "docker" "start" "-a" "8f48af16c6ecbe3dd5b5ca081abc0f56ae83ad554c37159c3578db396ab039b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f48af16c6ecbe3dd5b5ca081abc0f56ae83ad554c37159c3578db396ab039b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f48af16c6ecbe3dd5b5ca081abc0f56ae83ad554c37159c3578db396ab039b1", kill_on_drop: false }`
[INFO] [stdout] 8f48af16c6ecbe3dd5b5ca081abc0f56ae83ad554c37159c3578db396ab039b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e158579d2fbca216832a8685908d3ca9544e0a31e1bfdda23ba6ee5be5c94e3b
[INFO] running `Command { std: "docker" "start" "-a" "e158579d2fbca216832a8685908d3ca9544e0a31e1bfdda23ba6ee5be5c94e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking eyre v0.6.12
[INFO] [stderr]     Checking clap_builder v4.5.26
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]     Checking thiserror v2.0.11
[INFO] [stderr]     Checking clap v4.5.26
[INFO] [stderr]     Checking brainfuck-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Interpreter<StdinLock<'_>, StdoutLock<'_>>, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:191:50
[INFO] [stdout]     |
[INFO] [stdout] 191 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 192 | |         let program = Program::from_str(s)?;
[INFO] [stdout] 193 | |
[INFO] [stdout] 194 | |         Ok(Self {
[INFO] [stdout] ...   |
[INFO] [stdout] 202 | |         })
[INFO] [stdout] 203 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Program>
[INFO] [stdout]    --> src/interpreter.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let program = Program::from_str(s)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Program, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let program = Program::from_str(s)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Interpreter<StdinLock<'_>, StdoutLock<'_>>, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let program = Program::from_str(s)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Interpreter<StdinLock<'_>, StdoutLock<'_>>, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:194:3
[INFO] [stdout]     |
[INFO] [stdout] 194 | /         Ok(Self {
[INFO] [stdout] 195 | |             program,
[INFO] [stdout] 196 | |             memory: Tape::new(),
[INFO] [stdout] 197 | |             counter: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 201 | |             profiler: Profiler::new(),
[INFO] [stdout] 202 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Program, Infallible>
[INFO] [stdout]   --> src/program.rs:79:50
[INFO] [stdout]    |
[INFO] [stdout] 79 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 80 | |         let mut ops = Vec::with_capacity(s.len());
[INFO] [stdout] 81 | |         for b in s.bytes() {
[INFO] [stdout] 82 | |             let inst = match b {
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |         Ok(Self::Raw(ops))
[INFO] [stdout] 98 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Program, Infallible>
[INFO] [stdout]   --> src/program.rs:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Ok(Self::Raw(ops))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Interpreter<StdinLock<'_>, StdoutLock<'_>>, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:191:50
[INFO] [stdout]     |
[INFO] [stdout] 191 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 192 | |         let program = Program::from_str(s)?;
[INFO] [stdout] 193 | |
[INFO] [stdout] 194 | |         Ok(Self {
[INFO] [stdout] ...   |
[INFO] [stdout] 202 | |         })
[INFO] [stdout] 203 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Program>
[INFO] [stdout]    --> src/interpreter.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let program = Program::from_str(s)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Program, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let program = Program::from_str(s)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Interpreter<StdinLock<'_>, StdoutLock<'_>>, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let program = Program::from_str(s)?;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Interpreter<StdinLock<'_>, StdoutLock<'_>>, Infallible>
[INFO] [stdout]    --> src/interpreter.rs:194:3
[INFO] [stdout]     |
[INFO] [stdout] 194 | /         Ok(Self {
[INFO] [stdout] 195 | |             program,
[INFO] [stdout] 196 | |             memory: Tape::new(),
[INFO] [stdout] 197 | |             counter: 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 201 | |             profiler: Profiler::new(),
[INFO] [stdout] 202 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Program, Infallible>
[INFO] [stdout]   --> src/program.rs:79:50
[INFO] [stdout]    |
[INFO] [stdout] 79 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 80 | |         let mut ops = Vec::with_capacity(s.len());
[INFO] [stdout] 81 | |         for b in s.bytes() {
[INFO] [stdout] 82 | |             let inst = match b {
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |         Ok(Self::Raw(ops))
[INFO] [stdout] 98 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Program, Infallible>
[INFO] [stdout]   --> src/program.rs:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Ok(Self::Raw(ops))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brainfuck-rs` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `brainfuck-rs` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "e158579d2fbca216832a8685908d3ca9544e0a31e1bfdda23ba6ee5be5c94e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e158579d2fbca216832a8685908d3ca9544e0a31e1bfdda23ba6ee5be5c94e3b", kill_on_drop: false }`
[INFO] [stdout] e158579d2fbca216832a8685908d3ca9544e0a31e1bfdda23ba6ee5be5c94e3b
