[INFO] fetching crate steganer 1.1.0-post4... [INFO] testing steganer-1.1.0-post4 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate steganer 1.1.0-post4 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate steganer 1.1.0-post4 [INFO] finished tweaking crates.io crate steganer 1.1.0-post4 [INFO] tweaked toml for crates.io crate steganer 1.1.0-post4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate steganer 1.1.0-post4 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 crates.io crate steganer 1.1.0-post4 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-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] b9b3dd364850500df9ec93cbf190989b3634df7568c205746d94b906434b8d01 [INFO] running `Command { std: "docker" "start" "-a" "b9b3dd364850500df9ec93cbf190989b3634df7568c205746d94b906434b8d01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9b3dd364850500df9ec93cbf190989b3634df7568c205746d94b906434b8d01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9b3dd364850500df9ec93cbf190989b3634df7568c205746d94b906434b8d01", kill_on_drop: false }` [INFO] [stdout] b9b3dd364850500df9ec93cbf190989b3634df7568c205746d94b906434b8d01 [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] 9bce10c0fc7253c8e65485006e282dded28d84f9d945a46ec8f647d4aeda895d [INFO] running `Command { std: "docker" "start" "-a" "9bce10c0fc7253c8e65485006e282dded28d84f9d945a46ec8f647d4aeda895d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling ryu v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling backtrace v0.3.38 [INFO] [stderr] Compiling jpeg-decoder v0.1.16 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling bitreader v0.3.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.1 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling image v0.21.3 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.10 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling inventory v0.1.4 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling pyo3cls v0.8.1 [INFO] [stderr] Compiling paste v0.1.6 [INFO] [stderr] Compiling indoc v0.3.4 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling pyo3 v0.8.1 [INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.1` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-e3309bab829d6ff8/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1577) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.8.1/build.rs:537:9: [INFO] [stderr] Error: pyo3 requires a nightly or dev version of Rust. [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5f1d768c0cc2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5f1d768c0cc2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5f1d768c0cc2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5f1d768c0cc2 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5f1d768d191f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5f1d768d191f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5f1d768959a1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5f1d768959a1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5f1d7689fc32 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5f1d768a1d0c - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5f1d768a1b66 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5f1d768a2395 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5f1d768a1a5c - std::panicking::begin_panic::{{closure}}::h03764aec75fd6fbf [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:771:9 [INFO] [stderr] 13: 0x5f1d7689fd79 - std::sys::backtrace::__rust_end_short_backtrace::h840811b1dfa0dad5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5f1d768a1a2c - std::panicking::begin_panic::hcf2bdd8da61aefe8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:770:5 [INFO] [stderr] 15: 0x5f1d767418a4 - build_script_build::check_rustc_version::h1a15ed7b5bdbbb7e [INFO] [stderr] 16: 0x5f1d767440d4 - build_script_build::main::ha8cfb3a02d4d353e [INFO] [stderr] 17: 0x5f1d7674cbfe - core::ops::function::FnOnce::call_once::h17873a20063b3dc8 [INFO] [stderr] 18: 0x5f1d76749ded - std::sys::backtrace::__rust_begin_short_backtrace::h270f9d6f81f3f9ff [INFO] [stderr] 19: 0x5f1d7673668f - std::rt::lang_start::{{closure}}::h51d292af8e76c052 [INFO] [stderr] 20: 0x5f1d76897460 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 21: 0x5f1d76897460 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 22: 0x5f1d76897460 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 23: 0x5f1d76897460 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 24: 0x5f1d76897460 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 25: 0x5f1d76897460 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 26: 0x5f1d76897460 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 27: 0x5f1d76897460 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 28: 0x5f1d76897460 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 29: 0x5f1d76736671 - std::rt::lang_start::h1d667ed7635b0d5d [INFO] [stderr] 30: 0x5f1d76748e55 - main [INFO] [stderr] 31: 0x7786e52a81ca - [INFO] [stderr] 32: 0x7786e52a828b - __libc_start_main [INFO] [stderr] 33: 0x5f1d76733705 - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "9bce10c0fc7253c8e65485006e282dded28d84f9d945a46ec8f647d4aeda895d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bce10c0fc7253c8e65485006e282dded28d84f9d945a46ec8f647d4aeda895d", kill_on_drop: false }` [INFO] [stdout] 9bce10c0fc7253c8e65485006e282dded28d84f9d945a46ec8f647d4aeda895d