[INFO] cloning repository https://github.com/mkroman/meta-title_fetcher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkroman/meta-title_fetcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fmeta-title_fetcher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fmeta-title_fetcher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e3b3cbaf5d644dc55f2bce097fdff575b5787ca3 [INFO] documenting mkroman/meta-title_fetcher against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fmeta-title_fetcher" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mkroman/meta-title_fetcher 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 git repo https://github.com/mkroman/meta-title_fetcher [INFO] finished tweaking git repo https://github.com/mkroman/meta-title_fetcher [INFO] tweaked toml for git repo https://github.com/mkroman/meta-title_fetcher written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mkroman/meta-title_fetcher 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] Downloading crates ... [INFO] [stderr] Downloaded new_debug_unreachable v1.0.3 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] [stderr] Downloaded lock_api v0.3.2 [INFO] [stderr] Downloaded tokio-reactor v0.1.11 [INFO] [stderr] Downloaded indexmap v1.3.0 [INFO] [stderr] Downloaded mime v0.3.14 [INFO] [stderr] Downloaded tokio-sync v0.1.7 [INFO] [stderr] Downloaded base64 v0.9.3 [INFO] [stderr] Downloaded devise_codegen v0.2.0 [INFO] [stderr] Downloaded tokio-current-thread v0.1.6 [INFO] [stderr] Downloaded tokio-threadpool v0.1.17 [INFO] [stderr] Downloaded rocket_contrib v0.4.2 [INFO] [stderr] Downloaded error-chain v0.12.1 [INFO] [stderr] Downloaded devise_core v0.2.0 [INFO] [stderr] Downloaded rocket_codegen v0.4.2 [INFO] [stderr] Downloaded untrusted v0.6.2 [INFO] [stderr] Downloaded filetime v0.2.8 [INFO] [stderr] Downloaded rocket_http v0.4.2 [INFO] [stderr] Downloaded notify v4.0.14 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded inotify-sys v0.1.3 [INFO] [stderr] Downloaded inotify v0.6.1 [INFO] [stderr] Downloaded hyper v0.10.16 [INFO] [stderr] Downloaded yansi v0.4.0 [INFO] [stderr] Downloaded serde v1.0.103 [INFO] [stderr] Downloaded rocket v0.4.2 [INFO] [stderr] Downloaded yansi v0.5.0 [INFO] [stderr] Downloaded dtoa v0.4.4 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded openssl v0.10.26 [INFO] [stderr] Downloaded url v2.1.0 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded pear v0.1.2 [INFO] [stderr] Downloaded mio-extras v2.0.6 [INFO] [stderr] Downloaded serde_json v1.0.44 [INFO] [stderr] Downloaded crossbeam-queue v0.1.2 [INFO] [stderr] Downloaded tokio-timer v0.2.12 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded tokio-executor v0.1.9 [INFO] [stderr] Downloaded encoding_rs v0.8.20 [INFO] [stderr] Downloaded unicode-normalization v0.1.11 [INFO] [stderr] Downloaded toml v0.5.5 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded cookie v0.11.1 [INFO] [stderr] Downloaded mime_guess v2.0.1 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded tokio-io v0.1.12 [INFO] [stderr] Downloaded cc v1.0.48 [INFO] [stderr] Downloaded ring v0.13.5 [INFO] [stderr] Downloaded serde_derive v1.0.103 [INFO] [stderr] Downloaded smallvec v1.0.0 [INFO] [stderr] Downloaded pear_codegen v0.1.2 [INFO] [stderr] Downloaded openssl-src v111.6.1+1.1.1d [INFO] [stderr] Downloaded openssl-sys v0.9.53 [INFO] [stderr] Downloaded state v0.4.1 [INFO] [stderr] Downloaded devise v0.2.0 [INFO] [stderr] Downloaded schannel v0.1.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 535bda3d92dc4a44a7580064c83a024a2959a2888f03647efb87b45d851a85d0 [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" "535bda3d92dc4a44a7580064c83a024a2959a2888f03647efb87b45d851a85d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "535bda3d92dc4a44a7580064c83a024a2959a2888f03647efb87b45d851a85d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "535bda3d92dc4a44a7580064c83a024a2959a2888f03647efb87b45d851a85d0", kill_on_drop: false }` [INFO] [stdout] 535bda3d92dc4a44a7580064c83a024a2959a2888f03647efb87b45d851a85d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 421c834accb9c00f69f8dbdafa2036611eec7834f61140c3e229a9678740f534 [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" "421c834accb9c00f69f8dbdafa2036611eec7834f61140c3e229a9678740f534", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling smallvec v1.0.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking ego-tree v0.6.2 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling openssl-src v111.6.1+1.1.1d [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling unicode-normalization v0.1.11 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling rocket_codegen v0.4.2 [INFO] [stderr] Compiling rocket v0.4.2 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Checking inotify v0.6.1 [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-127ebaddb7318eb8/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: 1.47.0-beta.2 (2020-08-28). 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: 0x55794bf83040 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55794bf83040 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55794bf83040 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55794bf83040 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55794bfa04ac - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x55794bf80867 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x55794bf85110 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55794bf85110 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55794bf85110 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x55794bf84e5c - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x55794bf85773 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x55794bf52ac8 - std::panicking::begin_panic::{{closure}}::h3080346a645b28cd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:498 [INFO] [stderr] 12: 0x55794bf51c68 - std::sys_common::backtrace::__rust_end_short_backtrace::h5c0866f7805d26b8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55794bf529f3 - std::panicking::begin_panic::h3d242b4690e63e0c [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:497 [INFO] [stderr] 14: 0x55794bf5075b - build_script_build::main::h8a4d316b30a7a5d6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 15: 0x55794bf51d7b - core::ops::function::FnOnce::call_once::h8aab73bfd54ca1ae [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 16: 0x55794bf51c9e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf5b7900407ad8c44 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 17: 0x55794bf51a61 - std::rt::lang_start::{{closure}}::h1f7d2881ed3260f4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 18: 0x55794bf85b71 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 19: 0x55794bf85b71 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 20: 0x55794bf85b71 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 21: 0x55794bf85b71 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 22: 0x55794bf85b71 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 23: 0x55794bf51a37 - std::rt::lang_start::he58f1a5f0a30e49b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 24: 0x55794bf515fa - main [INFO] [stderr] 25: 0x7f80b56990b3 - __libc_start_main [INFO] [stderr] 26: 0x55794bf500ae - _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" "421c834accb9c00f69f8dbdafa2036611eec7834f61140c3e229a9678740f534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "421c834accb9c00f69f8dbdafa2036611eec7834f61140c3e229a9678740f534", kill_on_drop: false }` [INFO] [stdout] 421c834accb9c00f69f8dbdafa2036611eec7834f61140c3e229a9678740f534