[INFO] fetching crate ilda-idtf 0.1.0...
[INFO] testing ilda-idtf-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ilda-idtf 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ilda-idtf 0.1.0
[INFO] finished tweaking crates.io crate ilda-idtf 0.1.0
[INFO] tweaked toml for crates.io crate ilda-idtf 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ilda-idtf 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Locking 15 packages to latest compatible versions
[INFO] [stderr] Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr] Adding zerocopy v0.3.2 (available: v0.8.27)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 796c16f5d93589215841dfdddb91a8ccf048f79ba9b0458cc26be5eb5c4f64e3
[INFO] running `Command { std: "docker" "start" "-a" "796c16f5d93589215841dfdddb91a8ccf048f79ba9b0458cc26be5eb5c4f64e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "796c16f5d93589215841dfdddb91a8ccf048f79ba9b0458cc26be5eb5c4f64e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796c16f5d93589215841dfdddb91a8ccf048f79ba9b0458cc26be5eb5c4f64e3", kill_on_drop: false }`
[INFO] [stdout] 796c16f5d93589215841dfdddb91a8ccf048f79ba9b0458cc26be5eb5c4f64e3
[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=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] 64ec5515f117592b1598668d1d5f17e1fe3853dd67955f2ce0f6c03b8845a0fb
[INFO] running `Command { std: "docker" "start" "-a" "64ec5515f117592b1598668d1d5f17e1fe3853dd67955f2ce0f6c03b8845a0fb", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.101
[INFO] [stderr] Compiling unicode-ident v1.0.19
[INFO] [stderr] Compiling quote v1.0.41
[INFO] [stderr] Compiling syn v1.0.109
[INFO] [stderr] Compiling unicode-xid v0.2.6
[INFO] [stderr] Compiling byteorder v1.5.0
[INFO] [stderr] Compiling bitflags v1.3.2
[INFO] [stderr] Compiling synstructure v0.12.6
[INFO] [stderr] Compiling zerocopy-derive v0.2.0
[INFO] [stderr] Compiling zerocopy v0.3.2
[INFO] [stderr] Compiling ilda-idtf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/lib.rs:167:22
[INFO] [stdout] |
[INFO] [stdout] 167 | pub fn read_next(&mut self) -> io::Result