[INFO] fetching crate luwencpp 0.2.0...
[INFO] testing luwencpp-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate luwencpp 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate luwencpp 0.2.0
[INFO] finished tweaking crates.io crate luwencpp 0.2.0
[INFO] tweaked toml for crates.io crate luwencpp 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate luwencpp 0.2.0 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 66 packages to latest compatible versions
[INFO] [stderr]       Adding cbindgen v0.25.0 (available: v0.29.0)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e57749e4f6b3c67beeb5488df48b3f5dc757c6ab93829d7bda384ac7b8e472a2
[INFO] running `Command { std: "docker" "start" "-a" "e57749e4f6b3c67beeb5488df48b3f5dc757c6ab93829d7bda384ac7b8e472a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57749e4f6b3c67beeb5488df48b3f5dc757c6ab93829d7bda384ac7b8e472a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57749e4f6b3c67beeb5488df48b3f5dc757c6ab93829d7bda384ac7b8e472a2", kill_on_drop: false }`
[INFO] [stdout] e57749e4f6b3c67beeb5488df48b3f5dc757c6ab93829d7bda384ac7b8e472a2
[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=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] e0060b2b784167472c4ce1466ae3fc42dcc986d6c19ce2f3ea2b999c2aceb4a1
[INFO] running `Command { std: "docker" "start" "-a" "e0060b2b784167472c4ce1466ae3fc42dcc986d6c19ce2f3ea2b999c2aceb4a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling cbindgen v0.25.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rust-embed-utils v8.7.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling rust-embed-impl v8.7.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rust-embed v8.7.2
[INFO] [stderr]    Compiling luwen-core v0.1.0
[INFO] [stderr]    Compiling luwen-if v0.4.4
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling luwencpp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_cargo_target_dir` is never used
[INFO] [stdout]   --> build.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_cargo_target_dir() -> Result<std::path::PathBuf, Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.12s
[INFO] running `Command { std: "docker" "inspect" "e0060b2b784167472c4ce1466ae3fc42dcc986d6c19ce2f3ea2b999c2aceb4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0060b2b784167472c4ce1466ae3fc42dcc986d6c19ce2f3ea2b999c2aceb4a1", kill_on_drop: false }`
[INFO] [stdout] e0060b2b784167472c4ce1466ae3fc42dcc986d6c19ce2f3ea2b999c2aceb4a1
[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=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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f7a840ec5dea30c422069528129593c076885a4bff726ce518d12b10b2e072
[INFO] running `Command { std: "docker" "start" "-a" "45f7a840ec5dea30c422069528129593c076885a4bff726ce518d12b10b2e072", kill_on_drop: false }`
[INFO] [stdout] warning: function `get_cargo_target_dir` is never used
[INFO] [stdout]   --> build.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_cargo_target_dir() -> Result<std::path::PathBuf, Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling luwencpp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "45f7a840ec5dea30c422069528129593c076885a4bff726ce518d12b10b2e072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f7a840ec5dea30c422069528129593c076885a4bff726ce518d12b10b2e072", kill_on_drop: false }`
[INFO] [stdout] 45f7a840ec5dea30c422069528129593c076885a4bff726ce518d12b10b2e072
[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=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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 617041f66e7706c7567eaf40ede2c935b86183804e3e2409cdb45d0bc461b170
[INFO] running `Command { std: "docker" "start" "-a" "617041f66e7706c7567eaf40ede2c935b86183804e3e2409cdb45d0bc461b170", kill_on_drop: false }`
[INFO] [stderr] warning: function `get_cargo_target_dir` is never used
[INFO] [stderr]   --> build.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn get_cargo_target_dir() -> Result<std::path::PathBuf, Box<dyn std::error::Error>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `luwencpp` (build script) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/luwencpp-0ebbe33189d2cb0d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "617041f66e7706c7567eaf40ede2c935b86183804e3e2409cdb45d0bc461b170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617041f66e7706c7567eaf40ede2c935b86183804e3e2409cdb45d0bc461b170", kill_on_drop: false }`
[INFO] [stdout] 617041f66e7706c7567eaf40ede2c935b86183804e3e2409cdb45d0bc461b170