[INFO] fetching crate shade_runner 0.3.0...
[INFO] checking shade_runner-0.3.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate shade_runner 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate shade_runner 0.3.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shade_runner 0.3.0
[INFO] finished tweaking crates.io crate shade_runner 0.3.0
[INFO] tweaked toml for crates.io crate shade_runner 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate shade_runner 0.3.0 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa35dda5d5a27145db917dac3747d137c9a9df5a77907a60016402baf27a4d5
[INFO] running `Command { std: "docker" "start" "-a" "3fa35dda5d5a27145db917dac3747d137c9a9df5a77907a60016402baf27a4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa35dda5d5a27145db917dac3747d137c9a9df5a77907a60016402baf27a4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa35dda5d5a27145db917dac3747d137c9a9df5a77907a60016402baf27a4d5", kill_on_drop: false }`
[INFO] [stdout] 3fa35dda5d5a27145db917dac3747d137c9a9df5a77907a60016402baf27a4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1000fffc717d4a1d0a5cb8cea9fdd98b6ac52d80ecaa07cd335a381488d1e466
[INFO] running `Command { std: "docker" "start" "-a" "1000fffc717d4a1d0a5cb8cea9fdd98b6ac52d80ecaa07cd335a381488d1e466", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking vk-sys v0.5.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.38
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking mio v0.6.17
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking notify v4.0.11
[INFO] [stderr]    Compiling num-derive v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spirv_headers v1.3.4
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling spirv-reflect v0.2.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: 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 v0.6.1`
[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-ca218cc94766c215/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 '
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.6.1/build/cmd_finder.rs:50:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f1da3934b1 - std::backtrace_rs::backtrace::libunwind::trace::ha9d9de1bf4176bfa
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55f1da3934b1 - std::backtrace_rs::backtrace::trace_unsynchronized::h165c36ef694ada1c
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f1da3934b1 - std::sys_common::backtrace::_print_fmt::h4d89c7ce1e89b43d
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55f1da3934b1 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfc68e8a2f3b7b37c
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55f1da3b501f - core::fmt::rt::Argument::fmt::hc7dd5538f3de21b7
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/fmt/rt.rs:138:9
[INFO] [stderr]      5:     0x55f1da3b501f - core::fmt::write::hac9705ca9b43c249
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/fmt/mod.rs:1094:21
[INFO] [stderr]      6:     0x55f1da390571 - std::io::Write::write_fmt::h7bc9466b47d6774b
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/io/mod.rs:1713:15
[INFO] [stderr]      7:     0x55f1da3932c5 - std::sys_common::backtrace::_print::h03072469d8150f3e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55f1da3932c5 - std::sys_common::backtrace::print::hd0f67791f02b87ae
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55f1da394877 - std::panicking::default_hook::{{closure}}::h7c8ccb2c703d1528
[INFO] [stderr]     10:     0x55f1da394664 - std::panicking::default_hook::h770c31d58b53801e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:288:9
[INFO] [stderr]     11:     0x55f1da394d2c - std::panicking::rust_panic_with_hook::hb50e58c42f5187f2
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:705:13
[INFO] [stderr]     12:     0x55f1da394c27 - std::panicking::begin_panic_handler::{{closure}}::h4d6093b91efbd52e
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:597:13
[INFO] [stderr]     13:     0x55f1da3938e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h318963d1ef4510cb
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/sys_common/backtrace.rs:151:18
[INFO] [stderr]     14:     0x55f1da394972 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:593:5
[INFO] [stderr]     15:     0x55f1da32b623 - core::panicking::panic_fmt::h6ce9f4b93775846b
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/panicking.rs:67:14
[INFO] [stderr]     16:     0x55f1da332ac6 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h0dfb75e89d786c07
[INFO] [stderr]     17:     0x55f1da330d39 - core::option::Option<T>::unwrap_or_else::h11a438b6ef0d85ae
[INFO] [stderr]     18:     0x55f1da332a33 - build_script_build::cmd_finder::CommandFinder::must_have::h8307a46d7c9896a9
[INFO] [stderr]     19:     0x55f1da32f857 - build_script_build::main::h067831c1b667ce81
[INFO] [stderr]     20:     0x55f1da3304b3 - core::ops::function::FnOnce::call_once::h0e3dcd94abe1ec91
[INFO] [stderr]     21:     0x55f1da3309f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h74a82b308ba64436
[INFO] [stderr]     22:     0x55f1da330a49 - std::rt::lang_start::{{closure}}::h7e46bfb35db9eec3
[INFO] [stderr]     23:     0x55f1da38c6f5 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb332f02ff9fc81e2
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55f1da38c6f5 - std::panicking::try::do_call::hed879afea606d968
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:500:40
[INFO] [stderr]     25:     0x55f1da38c6f5 - std::panicking::try::h395a878f3e4bd2f0
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:464:19
[INFO] [stderr]     26:     0x55f1da38c6f5 - std::panic::catch_unwind::hb44b6ea043448d57
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55f1da38c6f5 - std::rt::lang_start_internal::{{closure}}::h6184ba9e5b3e5fbf
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55f1da38c6f5 - std::panicking::try::do_call::h8b2c97d4d3608274
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:500:40
[INFO] [stderr]     29:     0x55f1da38c6f5 - std::panicking::try::hfa4cc536e097f1fe
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panicking.rs:464:19
[INFO] [stderr]     30:     0x55f1da38c6f5 - std::panic::catch_unwind::ha3e2192625bb4844
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55f1da38c6f5 - std::rt::lang_start_internal::hbd6687884d030770
[INFO] [stderr]                                  at /rustc/e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55f1da330a27 - std::rt::lang_start::hccdc04843931c262
[INFO] [stderr]     33:     0x55f1da32ffc5 - main
[INFO] [stderr]     34:     0x7f00d7cc0d90 - <unknown>
[INFO] [stderr]     35:     0x7f00d7cc0e40 - __libc_start_main
[INFO] [stderr]     36:     0x55f1da32bc85 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1000fffc717d4a1d0a5cb8cea9fdd98b6ac52d80ecaa07cd335a381488d1e466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1000fffc717d4a1d0a5cb8cea9fdd98b6ac52d80ecaa07cd335a381488d1e466", kill_on_drop: false }`
[INFO] [stdout] 1000fffc717d4a1d0a5cb8cea9fdd98b6ac52d80ecaa07cd335a381488d1e466
