[INFO] crate pear_codegen 0.1.2 is already in cache [INFO] testing pear_codegen-0.1.2 against 1.44.0 for beta-1.45-1 [INFO] extracting crate pear_codegen 0.1.2 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate pear_codegen 0.1.2 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 pear_codegen 0.1.2 [INFO] finished tweaking crates.io crate pear_codegen 0.1.2 [INFO] tweaked toml for crates.io crate pear_codegen 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] e6e24781aa2cd99f131de22b62a27abd719f9435cd7a40359b8a439e29f508b1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "e6e24781aa2cd99f131de22b62a27abd719f9435cd7a40359b8a439e29f508b1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling pear_codegen v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-ae09e764e2a0310d/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.44.0 (2020-06-01). Minimum required: 1.31.0-nightly (2018-10-05). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561918f6e974 - 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: 0x561918f6e974 - 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: 0x561918f6e974 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x561918f6e974 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x561918f916fc - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x561918f6c013 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x561918f70f15 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x561918f70f15 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x561918f70f15 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x561918f70c52 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x561918f71522 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x561918f47b2d - std::panicking::begin_panic::h797c6413dd6e71e8 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x561918f45836 - build_script_build::main::h28b9f7a14c7f642c [INFO] [stderr] at /opt/rustwide/workdir/build.rs:31 [INFO] [stderr] 13: 0x561918f46d8b - std::rt::lang_start::{{closure}}::ha8474ab9d264fe7d [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x561918f71968 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x561918f71968 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 16: 0x561918f71968 - std::panicking::try::hc078f0e11721d1cb [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 17: 0x561918f71968 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x561918f71968 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x561918f46d67 - std::rt::lang_start::he0c7baf50d8bc6a8 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x561918f466da - main [INFO] [stderr] 21: 0x7fd9e98ff0b3 - __libc_start_main [INFO] [stderr] 22: 0x561918f4517e - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "e6e24781aa2cd99f131de22b62a27abd719f9435cd7a40359b8a439e29f508b1"` [INFO] running `"docker" "rm" "-f" "e6e24781aa2cd99f131de22b62a27abd719f9435cd7a40359b8a439e29f508b1"` [INFO] [stdout] e6e24781aa2cd99f131de22b62a27abd719f9435cd7a40359b8a439e29f508b1