[INFO] cloning repository https://github.com/comprakt/comprakt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comprakt/comprakt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomprakt%2Fcomprakt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomprakt%2Fcomprakt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2315e85972e63ea327c4d115ffe623253b520440 [INFO] documenting comprakt/comprakt against 1.54.0 for beta-1.55-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomprakt%2Fcomprakt" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/comprakt/comprakt on toolchain 1.54.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6/source/rust-toolchain [INFO] started tweaking git repo https://github.com/comprakt/comprakt [INFO] finished tweaking git repo https://github.com/comprakt/comprakt [INFO] tweaked toml for git repo https://github.com/comprakt/comprakt written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/comprakt/comprakt already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-6/source/compiler-cli/Cargo.toml: the cargo feature `default-run` has been stabilized in the 1.37 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-default-run-field for more information about using this feature. [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 strum_macros v0.12.0 [INFO] [stderr] Downloaded bit-vec v0.5.0 [INFO] [stderr] Downloaded trilean v1.0.1 [INFO] [stderr] Downloaded intervallum v1.3.0 [INFO] [stderr] Downloaded priority-queue v0.5.2 [INFO] [stderr] Downloaded strum_macros v0.11.0 [INFO] [stderr] Downloaded const-cstr-fork v0.2.2 [INFO] [stderr] Downloaded libc-extra v0.3.2 [INFO] [stderr] Downloaded clang-sys v0.26.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4c247f05313c5951ae95da3e2c08dabf27aa16e097d1078835d2d5caf7f1bfb [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" "c4c247f05313c5951ae95da3e2c08dabf27aa16e097d1078835d2d5caf7f1bfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4c247f05313c5951ae95da3e2c08dabf27aa16e097d1078835d2d5caf7f1bfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4c247f05313c5951ae95da3e2c08dabf27aa16e097d1078835d2d5caf7f1bfb", kill_on_drop: false }` [INFO] [stdout] c4c247f05313c5951ae95da3e2c08dabf27aa16e097d1078835d2d5caf7f1bfb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d540d168aef5306bec0701143630dfad67e997afae009a2e0bdbb497e8a7ea85 [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" "d540d168aef5306bec0701143630dfad67e997afae009a2e0bdbb497e8a7ea85", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/compiler-cli/Cargo.toml: the cargo feature `default-run` has been stabilized in the 1.37 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-default-run-field for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cc v1.0.27 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bindgen v0.42.3 [INFO] [stderr] Checking levenshtein v1.0.3 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Checking strum v0.11.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking trilean v1.0.1 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling clang-sys v0.26.3 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking priority-queue v0.5.2 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stderr] Compiling rocket v0.4.0 [INFO] [stderr] Compiling smallvec v0.6.7 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Checking filetime v0.2.4 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking wait-timeout v0.1.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling time v0.1.41 [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-683dc090518dc28b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.54.0 (2021-07-26). 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: 0x5601c1417100 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5601c1417100 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5601c1417100 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5601c1417100 - ::fmt::h32d1f94a80615d18 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5601c143411c - core::fmt::write::h306731c068f7162c [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x5601c1414f85 - std::io::Write::write_fmt::hd2fa90334eee2a21 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x5601c1418d2b - std::sys_common::backtrace::_print::h5abaa2601a852287 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5601c1418d2b - std::sys_common::backtrace::print::h8d81445442bb638f [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5601c1418d2b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5601c1418801 - std::panicking::default_hook::hbea8e3ccf2ba8901 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5601c14193f4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x5601c13eabbf - std::panicking::begin_panic::{{closure}}::hfed16c8d0c0ac4b0 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:542:9 [INFO] [stderr] 12: 0x5601c13ea578 - std::sys_common::backtrace::__rust_end_short_backtrace::h83102726c963d131 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5601c13eab05 - std::panicking::begin_panic::h6a9b46d86596d254 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:541:12 [INFO] [stderr] 14: 0x5601c13e918f - build_script_build::main::hbc5a004b13b1c2aa [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] 15: 0x5601c13ea64b - core::ops::function::FnOnce::call_once::ha62f6d03fffccde0 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x5601c13ea5be - std::sys_common::backtrace::__rust_begin_short_backtrace::hf41e03016c87d157 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x5601c13eb801 - std::rt::lang_start::{{closure}}::h95dcd8ca267866a7 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18 [INFO] [stderr] 18: 0x5601c14198f9 - core::ops::function::impls:: for &F>::call_once::h2aabc384aab89b7b [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x5601c14198f9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40 [INFO] [stderr] 20: 0x5601c14198f9 - std::panicking::try::hb5d9603af3abbe3a [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19 [INFO] [stderr] 21: 0x5601c14198f9 - std::panic::catch_unwind::h98fe6ac3925e64b4 [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14 [INFO] [stderr] 22: 0x5601c14198f9 - std::rt::lang_start_internal::h22ac7383c516f93e [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21 [INFO] [stderr] 23: 0x5601c13eb7e0 - std::rt::lang_start::h1acbfcef9beb512d [INFO] [stderr] at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5 [INFO] [stderr] 24: 0x5601c13e9dfc - main [INFO] [stderr] 25: 0x7fb162efa0b3 - __libc_start_main [INFO] [stderr] 26: 0x5601c13e896e - _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" "d540d168aef5306bec0701143630dfad67e997afae009a2e0bdbb497e8a7ea85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d540d168aef5306bec0701143630dfad67e997afae009a2e0bdbb497e8a7ea85", kill_on_drop: false }` [INFO] [stdout] d540d168aef5306bec0701143630dfad67e997afae009a2e0bdbb497e8a7ea85