[INFO] cloning repository https://github.com/netrome/branswers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/netrome/branswers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnetrome%2Fbranswers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnetrome%2Fbranswers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c35f9e0e96f5e887efbdd56b946afd5cb2451a3 [INFO] testing netrome/branswers against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnetrome%2Fbranswers" "/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/netrome/branswers on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/netrome/branswers [INFO] finished tweaking git repo https://github.com/netrome/branswers [INFO] tweaked toml for git repo https://github.com/netrome/branswers written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/netrome/branswers already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc69599906eb5e19866baf3aa413a3a54665fde06134183bc17f56ad03249fab [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" "dc69599906eb5e19866baf3aa413a3a54665fde06134183bc17f56ad03249fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc69599906eb5e19866baf3aa413a3a54665fde06134183bc17f56ad03249fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc69599906eb5e19866baf3aa413a3a54665fde06134183bc17f56ad03249fab", kill_on_drop: false }` [INFO] [stdout] dc69599906eb5e19866baf3aa413a3a54665fde06134183bc17f56ad03249fab [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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f042d6156dcdcf34dbe418da3b61f1bc64a9d3d34414468ddd334df18e34b308 [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" "f042d6156dcdcf34dbe418da3b61f1bc64a9d3d34414468ddd334df18e34b308", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.43 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling futures-core v0.3.6 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling pin-project-internal v0.4.26 [INFO] [stderr] Compiling pin-project-lite v0.1.10 [INFO] [stderr] Compiling subtle v2.3.0 [INFO] [stderr] Compiling curl v0.4.33 [INFO] [stderr] Compiling futures-sink v0.3.6 [INFO] [stderr] Compiling futures-io v0.3.6 [INFO] [stderr] Compiling rustc-demangle v0.1.17 [INFO] [stderr] Compiling zeroize v1.1.1 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Compiling protobuf v2.14.0 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling ahash v0.3.8 [INFO] [stderr] Compiling rust_tokenizers v5.0.1 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling bzip2-sys v0.1.9+1.0.8 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling curl-sys v0.4.36+curl-7.71.1 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [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] Compiling futures-task v0.3.6 [INFO] [stderr] Compiling unicode-normalization-alignments v0.1.12 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling futures-channel v0.3.6 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling socket2 v0.3.15 [INFO] [stderr] Compiling filetime v0.2.12 [INFO] [stderr] Compiling termios v0.3.2 [INFO] [stderr] Compiling terminal_size v0.1.13 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling tracing v0.1.21 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling flate2 v1.0.14 [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-92914b60b18d1339/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: 1.49.0 (2020-12-29) [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: 0x55f16326bbe0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55f16326bbe0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f16326bbe0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f16326bbe0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f16328931c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55f1632691c2 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x55f16326dd45 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f16326dd45 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f16326dd45 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f16326d9e8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55f16326e481 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55f16323affa - std::panicking::begin_panic::{{closure}}::ha7ef58b997801243 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:522:9 [INFO] [stderr] 12: 0x55f163238798 - std::sys_common::backtrace::__rust_end_short_backtrace::hdb01d6570dc6cfb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f16323af37 - std::panicking::begin_panic::hb2e065bfe68f27a0 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:521:12 [INFO] [stderr] 14: 0x55f163236832 - build_script_build::main::h07bbcd10bedfcbae [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24:13 [INFO] [stderr] 15: 0x55f16323ac0b - core::ops::function::FnOnce::call_once::h81e923573ac7a399 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x55f1632387ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h8510cee661c1a3fe [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x55f16323ab31 - std::rt::lang_start::{{closure}}::h14066acb54257453 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 18: 0x55f16326e8a7 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x55f16326e8a7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 20: 0x55f16326e8a7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 21: 0x55f16326e8a7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 22: 0x55f16326e8a7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 23: 0x55f16323ab07 - std::rt::lang_start::h75eb175e5b7768b9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 24: 0x55f163236fca - main [INFO] [stderr] 25: 0x7f33001d40b3 - __libc_start_main [INFO] [stderr] 26: 0x55f1632360ae - _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" "f042d6156dcdcf34dbe418da3b61f1bc64a9d3d34414468ddd334df18e34b308", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f042d6156dcdcf34dbe418da3b61f1bc64a9d3d34414468ddd334df18e34b308", kill_on_drop: false }` [INFO] [stdout] f042d6156dcdcf34dbe418da3b61f1bc64a9d3d34414468ddd334df18e34b308