[INFO] cloning repository https://github.com/MrShiposha/apriori-engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrShiposha/apriori-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrShiposha%2Fapriori-engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrShiposha%2Fapriori-engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] faaf897fb72c093a8bc86498bf6f7e913ebc8f02 [INFO] checking MrShiposha/apriori-engine/faaf897fb72c093a8bc86498bf6f7e913ebc8f02 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrShiposha%2Fapriori-engine" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MrShiposha/apriori-engine on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MrShiposha/apriori-engine [INFO] finished tweaking git repo https://github.com/MrShiposha/apriori-engine [INFO] tweaked toml for git repo https://github.com/MrShiposha/apriori-engine written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MrShiposha/apriori-engine already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pathdiff v0.2.0 [INFO] [stderr] Downloaded termcolor v1.1.0 [INFO] [stderr] Downloaded shaderc v0.6.3 [INFO] [stderr] Downloaded printf v0.1.0 [INFO] [stderr] Downloaded jobserver v0.1.21 [INFO] [stderr] Downloaded gcc v0.3.55 [INFO] [stderr] Downloaded libloading v0.6.5 [INFO] [stderr] Downloaded cc v1.0.62 [INFO] [stderr] Downloaded ron v0.6.2 [INFO] [stderr] Downloaded clang-sys v1.0.1 [INFO] [stderr] Downloaded cmake v0.1.44 [INFO] [stderr] Downloaded itertools v0.9.0 [INFO] [stderr] Downloaded syn v1.0.48 [INFO] [stderr] Downloaded bindgen v0.55.1 [INFO] [stderr] Downloaded shaderc-sys v0.6.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f0b102bb5a0144cce353af265cde8987985054a38ab934570ce78924518f65d [INFO] running `Command { std: "docker" "start" "-a" "6f0b102bb5a0144cce353af265cde8987985054a38ab934570ce78924518f65d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f0b102bb5a0144cce353af265cde8987985054a38ab934570ce78924518f65d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f0b102bb5a0144cce353af265cde8987985054a38ab934570ce78924518f65d", kill_on_drop: false }` [INFO] [stdout] 6f0b102bb5a0144cce353af265cde8987985054a38ab934570ce78924518f65d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b80be66cb0cf47b3cfe255d781f9946fff844ba079bde82d99aa1d7c28e4c8a3 [INFO] running `Command { std: "docker" "start" "-a" "b80be66cb0cf47b3cfe255d781f9946fff844ba079bde82d99aa1d7c28e4c8a3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling bindgen v0.55.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling libloading v0.6.5 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling clang-sys v1.0.1 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling pathdiff v0.2.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling cc v1.0.62 [INFO] [stderr] Compiling printf v0.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking convert_case v0.4.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found. Falling back to build from source [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/shaderc-sys-cf19cb5f44a75d63/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] cargo:warning=System installed library not found. Falling back to build from source [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.6.3/build/cmd_finder.rs:50:13: [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] couldn't find required command: "python" [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x6037107fa3ba - std::backtrace_rs::backtrace::libunwind::trace::h97abfd8a85887826 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x6037107fa3ba - std::backtrace_rs::backtrace::trace_unsynchronized::h3fe33c3e2ffb6416 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x6037107fa3ba - std::sys::backtrace::_print_fmt::hdf29e1ca2ba4cbbc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x6037107fa3ba - ::fmt::h731c3e1b756ff019 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x60371081d2ab - core::fmt::rt::Argument::fmt::hdfecaf84742c5a76 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/rt.rs:177:76 [INFO] [stderr] 5: 0x60371081d2ab - core::fmt::write::h9c97613a183100ea [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/mod.rs:1186:21 [INFO] [stderr] 6: 0x6037107f6a73 - std::io::Write::write_fmt::h7288d7c7dce2722e [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/io/mod.rs:1823:15 [INFO] [stderr] 7: 0x6037107fa202 - std::sys::backtrace::BacktraceLock::print::h2bc6f048c13121f8 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x6037107fb6e7 - std::panicking::default_hook::{{closure}}::hde92e91975a101c0 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:268:22 [INFO] [stderr] 9: 0x6037107fb516 - std::panicking::default_hook::hd8d6e2273bfc5edc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:295:9 [INFO] [stderr] 10: 0x6037107fbd27 - std::panicking::rust_panic_with_hook::hb332f821833efd3b [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:801:13 [INFO] [stderr] 11: 0x6037107fbbc7 - std::panicking::begin_panic_handler::{{closure}}::h00065c7fd19dfc55 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:674:13 [INFO] [stderr] 12: 0x6037107fa899 - std::sys::backtrace::__rust_end_short_backtrace::h10e475bd14bb8cb7 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:170:18 [INFO] [stderr] 13: 0x6037107fb854 - rust_begin_unwind [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:665:5 [INFO] [stderr] 14: 0x60371081c113 - core::panicking::panic_fmt::h59e161f9c51d6f0e [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/panicking.rs:74:14 [INFO] [stderr] 15: 0x6037107840a3 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h2a766a09136331ae [INFO] [stderr] 16: 0x6037107811c3 - core::option::Option::unwrap_or_else::h37efaf04d152d02a [INFO] [stderr] 17: 0x60371078400c - build_script_build::cmd_finder::CommandFinder::must_have::he57e534630e09148 [INFO] [stderr] 18: 0x603710787d60 - build_script_build::main::hdcd788df3903891f [INFO] [stderr] 19: 0x603710780793 - core::ops::function::FnOnce::call_once::h439c9d823c1d332e [INFO] [stderr] 20: 0x60371077ffc6 - std::sys::backtrace::__rust_begin_short_backtrace::h54f1acf7995879cf [INFO] [stderr] 21: 0x60371077ff29 - std::rt::lang_start::{{closure}}::hce61b3ecf606d3ea [INFO] [stderr] 22: 0x6037107f2db0 - core::ops::function::impls:: for &F>::call_once::h00708edcd5cb0bf9 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 23: 0x6037107f2db0 - std::panicking::try::do_call::h3211acb5ef596e26 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 24: 0x6037107f2db0 - std::panicking::try::hfc77046d1a78b97f [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 25: 0x6037107f2db0 - std::panic::catch_unwind::h8cc6f9c887e41bb5 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 26: 0x6037107f2db0 - std::rt::lang_start_internal::{{closure}}::h1ae7a528cb090b94 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:48 [INFO] [stderr] 27: 0x6037107f2db0 - std::panicking::try::do_call::h7b341eaacca88c96 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 28: 0x6037107f2db0 - std::panicking::try::h2190145387d00b24 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 29: 0x6037107f2db0 - std::panic::catch_unwind::h39d0834a21ce2b28 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 30: 0x6037107f2db0 - std::rt::lang_start_internal::hf1cb939424e8449c [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:20 [INFO] [stderr] 31: 0x60371077ff07 - std::rt::lang_start::h36f6206d58702ea5 [INFO] [stderr] 32: 0x603710788765 - main [INFO] [stderr] 33: 0x715572d02d90 - [INFO] [stderr] 34: 0x715572d02e40 - __libc_start_main [INFO] [stderr] 35: 0x60371077f385 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b80be66cb0cf47b3cfe255d781f9946fff844ba079bde82d99aa1d7c28e4c8a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b80be66cb0cf47b3cfe255d781f9946fff844ba079bde82d99aa1d7c28e4c8a3", kill_on_drop: false }` [INFO] [stdout] b80be66cb0cf47b3cfe255d781f9946fff844ba079bde82d99aa1d7c28e4c8a3