[INFO] cloning repository https://github.com/lukaspustina/ifconfig-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukaspustina/ifconfig-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fifconfig-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fifconfig-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a76fefb11f11a5d0de513208f3e557c0ad898d88 [INFO] documenting lukaspustina/ifconfig-rs against 1.46.0 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fifconfig-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] [stderr] Checking out files: 63% (14/22) Checking out files: 68% (15/22) Checking out files: 72% (16/22) Checking out files: 77% (17/22) Checking out files: 81% (18/22) Checking out files: 86% (19/22) Checking out files: 90% (20/22) Checking out files: 95% (21/22) Checking out files: 100% (22/22) Checking out files: 100% (22/22), done. [INFO] validating manifest of git repo https://github.com/lukaspustina/ifconfig-rs on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lukaspustina/ifconfig-rs [INFO] finished tweaking git repo https://github.com/lukaspustina/ifconfig-rs [INFO] tweaked toml for git repo https://github.com/lukaspustina/ifconfig-rs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/lukaspustina/ifconfig-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4099e0ef129ac642ed76bebc6d60ff0fd8135640628766ede4b9fdd2279857ae [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4099e0ef129ac642ed76bebc6d60ff0fd8135640628766ede4b9fdd2279857ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4099e0ef129ac642ed76bebc6d60ff0fd8135640628766ede4b9fdd2279857ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4099e0ef129ac642ed76bebc6d60ff0fd8135640628766ede4b9fdd2279857ae", kill_on_drop: false }` [INFO] [stdout] 4099e0ef129ac642ed76bebc6d60ff0fd8135640628766ede4b9fdd2279857ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74dccb3caafcb61cd7fa2196a36d9dec80b8ed4fe8921101a5237ec82d23f86c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "74dccb3caafcb61cd7fa2196a36d9dec80b8ed4fe8921101a5237ec82d23f86c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling proc-macro2 v0.4.28 [INFO] [stderr] Compiling syn v0.15.32 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling cc v1.0.35 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking string v0.1.3 [INFO] [stderr] Compiling woothee v0.7.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling pest v2.1.1 [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stderr] Compiling rocket v0.4.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-ec768284c19d9431/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: 1.46.0 (2020-08-24). Minimum required: 1.31.0-nightly (2018-10-05). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5596779683e5 - backtrace::backtrace::libunwind::trace::h14d338b30b3ea0a7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5596779683e5 - backtrace::backtrace::trace_unsynchronized::h73ea91d74a3fd67f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5596779683e5 - std::sys_common::backtrace::_print_fmt::hd42948c952866e12 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5596779683e5 - ::fmt::ha8f928866ff7571e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55967798a13c - core::fmt::write::he0c1e5f7426d2718 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x559677965a62 - std::io::Write::write_fmt::hf3afc6cfd57d0033 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55967796a820 - std::sys_common::backtrace::_print::hfc0110703f3696fd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55967796a820 - std::sys_common::backtrace::print::h3f77c6990ddfaa22 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55967796a820 - std::panicking::default_hook::{{closure}}::heae49580a8d62d75 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55967796a56c - std::panicking::default_hook::hecc34e3f729e213c [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55967796ae63 - std::panicking::rust_panic_with_hook::he82f5d0644692441 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x559677943a55 - std::panicking::begin_panic::h6d385f2e6a44aecb [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x559677941836 - build_script_build::main::hdd1ef894ffdc604a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 13: 0x559677943fcb - std::rt::lang_start::{{closure}}::hc28c427cd24c05c6 [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x55967796b233 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x55967796b233 - std::panicking::try::do_call::hac65e71be769a440 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 16: 0x55967796b233 - std::panicking::try::hd4706e264bcf6712 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x55967796b233 - std::panic::catch_unwind::h948a0fb4a8b3ee82 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55967796b233 - std::rt::lang_start_internal::h72cc068ed2d0ac53 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x559677943fa7 - std::rt::lang_start::h7a591ddc6913555e [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x5596779426da - main [INFO] [stderr] 21: 0x7f7816a030b3 - __libc_start_main [INFO] [stderr] 22: 0x55967794117e - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "74dccb3caafcb61cd7fa2196a36d9dec80b8ed4fe8921101a5237ec82d23f86c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74dccb3caafcb61cd7fa2196a36d9dec80b8ed4fe8921101a5237ec82d23f86c", kill_on_drop: false }` [INFO] [stdout] 74dccb3caafcb61cd7fa2196a36d9dec80b8ed4fe8921101a5237ec82d23f86c