[INFO] fetching crate my-iot 0.94.0... [INFO] documenting my-iot-0.94.0 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate my-iot 0.94.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate my-iot 0.94.0 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate my-iot 0.94.0 [INFO] finished tweaking crates.io crate my-iot 0.94.0 [INFO] tweaked toml for crates.io crate my-iot 0.94.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate my-iot 0.94.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded askama v0.10.3 [INFO] [stderr] Downloaded simplelog v0.8.0 [INFO] [stderr] Downloaded dns-parser v0.8.0 [INFO] [stderr] Downloaded rocket_contrib v0.4.5 [INFO] [stderr] Downloaded askama_shared v0.10.4 [INFO] [stderr] Downloaded askama_escape v0.10.1 [INFO] [stderr] Downloaded seahash v4.0.1 [INFO] [stderr] Downloaded rhai v0.17.0 [INFO] [stderr] Downloaded statrs v0.13.0 [INFO] [stderr] Downloaded askama_derive v0.10.3 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded mdns v1.1.0 [INFO] [stderr] Downloaded spa v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e98c5fa20402bf476f107e90af44035cf910c32a06a64c31ce31d13f89fc6ed [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" "6e98c5fa20402bf476f107e90af44035cf910c32a06a64c31ce31d13f89fc6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e98c5fa20402bf476f107e90af44035cf910c32a06a64c31ce31d13f89fc6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e98c5fa20402bf476f107e90af44035cf910c32a06a64c31ce31d13f89fc6ed", kill_on_drop: false }` [INFO] [stdout] 6e98c5fa20402bf476f107e90af44035cf910c32a06a64c31ce31d13f89fc6ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6676fa87bacc3f615940447a91c8912de271214231d5011fb52ef60a9098e9fc [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" "6676fa87bacc3f615940447a91c8912de271214231d5011fb52ef60a9098e9fc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Checking fastrand v1.3.4 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Checking event-listener v2.3.3 [INFO] [stderr] Checking vec-arena v0.5.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling askama_escape v0.10.1 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking parking v1.0.6 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking seahash v4.0.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking tracing-core v0.1.14 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling libsqlite3-sys v0.18.0 [INFO] [stderr] Checking async-mutex v1.1.5 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling rocket_codegen v0.4.5 [INFO] [stderr] Compiling rocket v0.4.5 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Checking futures-lite v0.1.11 [INFO] [stderr] Checking nom v5.1.2 [INFO] [stderr] Checking dns-parser v0.8.0 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Checking async-channel v1.4.0 [INFO] [stderr] Checking multitask v0.2.0 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-64aaa21e6bc28b3b/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a 'dev' or 'nightly' version of rustc. [INFO] [stderr] Installed version: 1.47.0 (2020-08-28) [INFO] [stderr] 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-0.1.4/build.rs:24:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5584003eb160 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x5584003eb160 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5584003eb160 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x5584003eb160 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x5584004085cc - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x5584003e8987 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x5584003ed230 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x5584003ed230 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x5584003ed230 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x5584003ecf7c - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x5584003ed893 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x5584003bbf38 - std::panicking::begin_panic::{{closure}}::h06b9323d8b30b430 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:498 [INFO] [stderr] 12: 0x5584003b99b8 - std::sys_common::backtrace::__rust_end_short_backtrace::h7ba4e42c60b27d8d [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x5584003bbe63 - std::panicking::begin_panic::h248abf09628c58e3 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:497 [INFO] [stderr] 14: 0x5584003b78c3 - build_script_build::main::hb019262e146b41de [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24 [INFO] [stderr] 15: 0x5584003b96ab - core::ops::function::FnOnce::call_once::h96b9723f054519b3 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 16: 0x5584003b99ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hd570cf3c493affd9 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 17: 0x5584003b95f1 - std::rt::lang_start::{{closure}}::hcb88b5a65eb2ecdd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 18: 0x5584003edc91 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 19: 0x5584003edc91 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 20: 0x5584003edc91 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 21: 0x5584003edc91 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 22: 0x5584003edc91 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 23: 0x5584003b95c7 - std::rt::lang_start::h41f393f5d82724a6 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 24: 0x5584003b80ca - main [INFO] [stderr] 25: 0x7fa4f9d910b3 - __libc_start_main [INFO] [stderr] 26: 0x5584003b70ae - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6676fa87bacc3f615940447a91c8912de271214231d5011fb52ef60a9098e9fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6676fa87bacc3f615940447a91c8912de271214231d5011fb52ef60a9098e9fc", kill_on_drop: false }` [INFO] [stdout] 6676fa87bacc3f615940447a91c8912de271214231d5011fb52ef60a9098e9fc