[INFO] cloning repository https://github.com/02alexander/stack4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/02alexander/stack4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F02alexander%2Fstack4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7722bb99a7e190daaa43a2ca056077c181da1bd2 [INFO] documenting 02alexander/stack4 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%2F02alexander%2Fstack4" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/02alexander/stack4 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/02alexander/stack4 [INFO] finished tweaking git repo https://github.com/02alexander/stack4 [INFO] tweaked toml for git repo https://github.com/02alexander/stack4 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/02alexander/stack4 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-utils v0.6.1 [INFO] [stderr] Downloaded devise_codegen v0.1.0 [INFO] [stderr] Downloaded rocket_codegen v0.4.0-rc.1 [INFO] [stderr] Downloaded tokio-reactor v0.1.7 [INFO] [stderr] Downloaded rocket v0.4.0-rc.1 [INFO] [stderr] Downloaded notify v4.0.6 [INFO] [stderr] Downloaded rocket_http v0.4.0-rc.1 [INFO] [stderr] Downloaded devise_core v0.1.0 [INFO] [stderr] Downloaded devise v0.1.0 [INFO] [stderr] Downloaded pest v2.0.2 [INFO] [stderr] Downloaded pest_meta v2.0.3 [INFO] [stderr] Downloaded pest_derive v2.0.1 [INFO] [stderr] Downloaded rocket_contrib v0.4.0-rc.1 [INFO] [stderr] Downloaded toml v0.4.9 [INFO] [stderr] Downloaded smallvec v0.6.6 [INFO] [stderr] Downloaded pest_generator v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b8b7a2dd2de0ae5473d3b167b37f7d267b2f9fd01219c6ad3c05cdc26691b1fb [INFO] running `Command { std: "docker" "start" "-a" "b8b7a2dd2de0ae5473d3b167b37f7d267b2f9fd01219c6ad3c05cdc26691b1fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8b7a2dd2de0ae5473d3b167b37f7d267b2f9fd01219c6ad3c05cdc26691b1fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8b7a2dd2de0ae5473d3b167b37f7d267b2f9fd01219c6ad3c05cdc26691b1fb", kill_on_drop: false }` [INFO] [stdout] b8b7a2dd2de0ae5473d3b167b37f7d267b2f9fd01219c6ad3c05cdc26691b1fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 29f8169a77424e86fb7a6980bc730d460f898e5a7b94f69940223a457f8f2b4d [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" "29f8169a77424e86fb7a6980bc730d460f898e5a7b94f69940223a457f8f2b4d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking unic-char-range v0.7.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking unic-common v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling rocket_codegen v0.4.0-rc.1 [INFO] [stderr] Compiling rocket v0.4.0-rc.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling pest v2.0.2 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking unic-char-property v0.7.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking unic-ucd-version v0.7.0 [INFO] [stderr] Checking regex-syntax v0.6.3 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking smallvec v0.6.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling log v0.3.9 [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: 0x565133d3d040 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x565133d3d040 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x565133d3d040 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x565133d3d040 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x565133d5a4ac - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x565133d3a867 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x565133d3f110 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x565133d3f110 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x565133d3f110 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x565133d3ee5c - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x565133d3f773 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x565133d0cac8 - std::panicking::begin_panic::{{closure}}::h3080346a645b28cd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:498 [INFO] [stderr] 12: 0x565133d0bc68 - 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: 0x565133d0c9f3 - std::panicking::begin_panic::h3d242b4690e63e0c [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:497 [INFO] [stderr] 14: 0x565133d0a75b - 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: 0x565133d0bd7b - core::ops::function::FnOnce::call_once::h8aab73bfd54ca1ae [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 16: 0x565133d0bc9e - 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: 0x565133d0ba61 - std::rt::lang_start::{{closure}}::h1f7d2881ed3260f4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 18: 0x565133d3fb71 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 19: 0x565133d3fb71 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 20: 0x565133d3fb71 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 21: 0x565133d3fb71 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 22: 0x565133d3fb71 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 23: 0x565133d0ba37 - std::rt::lang_start::he58f1a5f0a30e49b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 24: 0x565133d0b5fa - main [INFO] [stderr] 25: 0x7f6e0160d0b3 - __libc_start_main [INFO] [stderr] 26: 0x565133d0a0ae - _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" "29f8169a77424e86fb7a6980bc730d460f898e5a7b94f69940223a457f8f2b4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29f8169a77424e86fb7a6980bc730d460f898e5a7b94f69940223a457f8f2b4d", kill_on_drop: false }` [INFO] [stdout] 29f8169a77424e86fb7a6980bc730d460f898e5a7b94f69940223a457f8f2b4d