[INFO] crate steganer 1.1.0-post4 is already in cache [INFO] testing steganer-1.1.0-post4 against 1.44.0 for beta-1.45-1 [INFO] extracting crate steganer 1.1.0-post4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate steganer 1.1.0-post4 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-8/source/Cargo.toml [INFO] crate crates.io crate steganer 1.1.0-post4 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5207d1da4408a9a594a72c50e222d091e1df82f2231d71fc0f8bef7ea9bb46b5 [INFO] running `"docker" "start" "-a" "5207d1da4408a9a594a72c50e222d091e1df82f2231d71fc0f8bef7ea9bb46b5"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling ryu v1.0.1 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling bitreader v0.3.2 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling backtrace v0.3.38 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.16 [INFO] [stderr] Compiling image v0.21.3 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.10 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling pyo3cls v0.8.1 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling inventory v0.1.4 [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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-4f297e876d969fee/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Error: pyo3 requires a nightly or dev version of Rust.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:537:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556df31af214 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x556df31af214 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x556df31af214 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x556df31af214 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x556df31d705c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x556df31ac5d3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x556df31b1835 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x556df31b1835 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x556df31b1835 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x556df31b1572 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x556df31b1e92 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x556df2f9d3b1 - std::panicking::begin_panic::h7c9b6d7a83abbfc5 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x556df2f4aca6 - build_script_build::check_rustc_version::h9e884177533dd87f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:537 [INFO] [stderr] 13: 0x556df2f4b017 - build_script_build::main::h80f7520e481ee703 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.1/build.rs:558 [INFO] [stderr] 14: 0x556df2f6df0d - std::rt::lang_start::{{closure}}::haf3ddd018af074ef [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x556df31b22d8 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x556df31b22d8 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 17: 0x556df31b22d8 - std::panicking::try::hc078f0e11721d1cb [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 18: 0x556df31b22d8 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x556df31b22d8 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x556df2f6ded7 - std::rt::lang_start::h5e5506028c76111d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x556df2f5008a - main [INFO] [stderr] 22: 0x7fe6f64580b3 - __libc_start_main [INFO] [stderr] 23: 0x556df2f4517e - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "5207d1da4408a9a594a72c50e222d091e1df82f2231d71fc0f8bef7ea9bb46b5"` [INFO] running `"docker" "rm" "-f" "5207d1da4408a9a594a72c50e222d091e1df82f2231d71fc0f8bef7ea9bb46b5"` [INFO] [stdout] 5207d1da4408a9a594a72c50e222d091e1df82f2231d71fc0f8bef7ea9bb46b5