[INFO] cloning repository https://github.com/doctorn/cluster [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doctorn/cluster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoctorn%2Fcluster", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoctorn%2Fcluster'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac3985530354664c7143fe2404a29f8d04f1dcca [INFO] documenting doctorn/cluster 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%2Fdoctorn%2Fcluster" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/doctorn/cluster 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/doctorn/cluster [INFO] finished tweaking git repo https://github.com/doctorn/cluster [INFO] tweaked toml for git repo https://github.com/doctorn/cluster written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e3073a0d41b57262baabd99f8322c80fd805646a64c1181820ae60067c9ba68 [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" "8e3073a0d41b57262baabd99f8322c80fd805646a64c1181820ae60067c9ba68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e3073a0d41b57262baabd99f8322c80fd805646a64c1181820ae60067c9ba68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e3073a0d41b57262baabd99f8322c80fd805646a64c1181820ae60067c9ba68", kill_on_drop: false }` [INFO] [stdout] 8e3073a0d41b57262baabd99f8322c80fd805646a64c1181820ae60067c9ba68 [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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 120a2fa869eacbe5831c498829ce142b21188714b592f083aa9c36e765ffd603 [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" "120a2fa869eacbe5831c498829ce142b21188714b592f083aa9c36e765ffd603", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling subtle v2.2.3 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling tinyvec v0.3.4 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling zeroize v1.1.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking unic-char-range v0.7.0 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Checking unic-common v0.7.0 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking humansize v1.1.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling libz-sys v1.1.1 [INFO] [stderr] Compiling libssh2-sys v0.2.19 [INFO] [stderr] Compiling libgit2-sys v0.8.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling block-padding v0.1.5 [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 unic-char-property v0.7.0 [INFO] [stderr] Checking unic-ucd-version v0.7.0 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Checking slug v0.1.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking unic-ucd-segment v0.7.0 [INFO] [stderr] Checking getrandom v0.1.14 [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-bc69bad7a0c3357d/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: 1.46.0 (2020-08-24) [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: 0x56311c8f0665 - 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: 0x56311c8f0665 - 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: 0x56311c8f0665 - std::sys_common::backtrace::_print_fmt::hd42948c952866e12 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x56311c8f0665 - ::fmt::ha8f928866ff7571e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x56311c9123bc - core::fmt::write::he0c1e5f7426d2718 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x56311c8edce2 - std::io::Write::write_fmt::hf3afc6cfd57d0033 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x56311c8f2aa0 - std::sys_common::backtrace::_print::hfc0110703f3696fd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x56311c8f2aa0 - std::sys_common::backtrace::print::h3f77c6990ddfaa22 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x56311c8f2aa0 - std::panicking::default_hook::{{closure}}::heae49580a8d62d75 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x56311c8f27ec - std::panicking::default_hook::hecc34e3f729e213c [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x56311c8f30e3 - std::panicking::rust_panic_with_hook::he82f5d0644692441 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x56311c8cce15 - std::panicking::begin_panic::hc70e4171301eaefb [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x56311c8c8995 - build_script_build::main::h4705302db081dfc4 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24 [INFO] [stderr] 13: 0x56311c8ca51b - std::rt::lang_start::{{closure}}::ha1057906b5bf4539 [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x56311c8f34b3 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x56311c8f34b3 - std::panicking::try::do_call::hac65e71be769a440 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 16: 0x56311c8f34b3 - std::panicking::try::hd4706e264bcf6712 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x56311c8f34b3 - std::panic::catch_unwind::h948a0fb4a8b3ee82 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x56311c8f34b3 - std::rt::lang_start_internal::h72cc068ed2d0ac53 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x56311c8ca4f7 - std::rt::lang_start::h5b81fc4565fb5fd6 [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x56311c8c919a - main [INFO] [stderr] 21: 0x7fb37c3b80b3 - __libc_start_main [INFO] [stderr] 22: 0x56311c8c817e - _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" "120a2fa869eacbe5831c498829ce142b21188714b592f083aa9c36e765ffd603", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "120a2fa869eacbe5831c498829ce142b21188714b592f083aa9c36e765ffd603", kill_on_drop: false }` [INFO] [stdout] 120a2fa869eacbe5831c498829ce142b21188714b592f083aa9c36e765ffd603