[INFO] cloning repository https://github.com/rolph-recto/ifcap-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rolph-recto/ifcap-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolph-recto%2Fifcap-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolph-recto%2Fifcap-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d0e3496a72786a55bc6742cda79462ce7b0f5db7 [INFO] testing rolph-recto/ifcap-rust against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolph-recto%2Fifcap-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rolph-recto/ifcap-rust [INFO] finished tweaking git repo https://github.com/rolph-recto/ifcap-rust [INFO] tweaked toml for git repo https://github.com/rolph-recto/ifcap-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rolph-recto/ifcap-rust on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rolph-recto/ifcap-rust 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af4d57852d87eeef9c67837d583046f8b4c624b9b495cec13be7662b342156b2 [INFO] running `Command { std: "docker" "start" "-a" "af4d57852d87eeef9c67837d583046f8b4c624b9b495cec13be7662b342156b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af4d57852d87eeef9c67837d583046f8b4c624b9b495cec13be7662b342156b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af4d57852d87eeef9c67837d583046f8b4c624b9b495cec13be7662b342156b2", kill_on_drop: false }` [INFO] [stdout] af4d57852d87eeef9c67837d583046f8b4c624b9b495cec13be7662b342156b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b581c042f5460cb8a6f1394383c61f20d318157e1b132edff48eab07af99b6e [INFO] running `Command { std: "docker" "start" "-a" "3b581c042f5460cb8a6f1394383c61f20d318157e1b132edff48eab07af99b6e", kill_on_drop: false }` [INFO] [stderr] Compiling im v15.0.0 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling rand_xoshiro v0.4.0 [INFO] [stderr] Compiling sized-chunks v0.6.2 [INFO] [stderr] Compiling ifcap-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/types/lattice_solve.rs:454:20 [INFO] [stdout] | [INFO] [stdout] 454 | } else { [INFO] [stdout] | ____________________^ [INFO] [stdout] ... | [INFO] [stdout] 457 | | } [INFO] [stdout] | |_____________^ expected `Option>`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/types/lattice_solve.rs:466:13 [INFO] [stdout] | [INFO] [stdout] 466 | let mut new_cnf = self.remove_tautological_clauses(cnf); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ifcap-rust` (bin "ifcap-rust") due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "3b581c042f5460cb8a6f1394383c61f20d318157e1b132edff48eab07af99b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b581c042f5460cb8a6f1394383c61f20d318157e1b132edff48eab07af99b6e", kill_on_drop: false }` [INFO] [stdout] 3b581c042f5460cb8a6f1394383c61f20d318157e1b132edff48eab07af99b6e