[INFO] cloning repository https://github.com/Prelly95/rust-gfx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Prelly95/rust-gfx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrelly95%2Frust-gfx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrelly95%2Frust-gfx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c4e8ea8cb379b48f796a1f929520f27f749e142
[INFO] checking Prelly95/rust-gfx against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrelly95%2Frust-gfx" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Prelly95/rust-gfx on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Prelly95/rust-gfx
[INFO] finished tweaking git repo https://github.com/Prelly95/rust-gfx
[INFO] tweaked toml for git repo https://github.com/Prelly95/rust-gfx written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Prelly95/rust-gfx 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea94a660d3c641dc2b62548e114645622b41afbb86d11c5708e126e08d581829
[INFO] running `Command { std: "docker" "start" "-a" "ea94a660d3c641dc2b62548e114645622b41afbb86d11c5708e126e08d581829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea94a660d3c641dc2b62548e114645622b41afbb86d11c5708e126e08d581829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea94a660d3c641dc2b62548e114645622b41afbb86d11c5708e126e08d581829", kill_on_drop: false }`
[INFO] [stdout] ea94a660d3c641dc2b62548e114645622b41afbb86d11c5708e126e08d581829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c96e5a21ebdddd62582b9198abc75341a3fc5ada0caadf12414e46ce47e734
[INFO] running `Command { std: "docker" "start" "-a" "87c96e5a21ebdddd62582b9198abc75341a3fc5ada0caadf12414e46ce47e734", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking andrew v0.2.1
[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-1a88bd5e9c918741/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:     0x55eb149cad35 - std::backtrace_rs::backtrace::libunwind::trace::h876d7c806a499a4c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55eb149cad35 - std::backtrace_rs::backtrace::trace_unsynchronized::h93aa6ac20204363f
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55eb149cad35 - std::sys_common::backtrace::_print_fmt::haa4d06348037420c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55eb149cad35 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb19a1068483db389
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55eb149efbeb - core::fmt::rt::Argument::fmt::he1186800a1f8dba1
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55eb149efbeb - core::fmt::write::h93b97d526ac83ab7
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]      6:     0x55eb149c7aef - std::io::Write::write_fmt::h5b8b8a434bcca5dd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]      7:     0x55eb149cab0e - std::sys_common::backtrace::_print::h68eb04d9824256f0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55eb149cab0e - std::sys_common::backtrace::print::h9c98f0d9c4306586
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55eb149cc099 - std::panicking::default_hook::{{closure}}::hcf6830dc400daae4
[INFO] [stderr]     10:     0x55eb149cbddd - std::panicking::default_hook::h483615856e3a5cc0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x55eb149cc5a3 - std::panicking::rust_panic_with_hook::h36ebc998f351e5fd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x55eb149cc484 - std::panicking::begin_panic_handler::{{closure}}::h686207a93492b797
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:664:13
[INFO] [stderr]     13:     0x55eb149cb1f9 - std::sys_common::backtrace::__rust_end_short_backtrace::h2e37e6bf5aac538a
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55eb149cc1b7 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x55eb149ee973 - core::panicking::panic_fmt::heae5d8e5e3703b89
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55eb1495674a - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h16d047d98d6860c2
[INFO] [stderr]     17:     0x55eb149537f3 - core::option::Option<T>::unwrap_or_else::h54d3997260a58d08
[INFO] [stderr]     18:     0x55eb149566ac - build_script_build::cmd_finder::CommandFinder::must_have::h8c58dfc66716b6f5
[INFO] [stderr]     19:     0x55eb1495a48f - build_script_build::main::he799e4b634921f0a
[INFO] [stderr]     20:     0x55eb14952db3 - core::ops::function::FnOnce::call_once::hfa8dcac76a5cbb0d
[INFO] [stderr]     21:     0x55eb14951d36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h12720ec09ad4f61f
[INFO] [stderr]     22:     0x55eb149523d9 - std::rt::lang_start::{{closure}}::hdbf02cebda3a02e9
[INFO] [stderr]     23:     0x55eb149c38cd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h75d0a4fe40296b94
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55eb149c38cd - std::panicking::try::do_call::ha27ca65264b021a4
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     25:     0x55eb149c38cd - std::panicking::try::h901e100a17b3cd54
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     26:     0x55eb149c38cd - std::panic::catch_unwind::h13d256f1691dfb07
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     27:     0x55eb149c38cd - std::rt::lang_start_internal::{{closure}}::hdf5a5a26190e1fd8
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:48
[INFO] [stderr]     28:     0x55eb149c38cd - std::panicking::try::do_call::h3a8fb98242ec30e5
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     29:     0x55eb149c38cd - std::panicking::try::h881801cd3cb8ba77
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     30:     0x55eb149c38cd - std::panic::catch_unwind::he14d380083644433
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     31:     0x55eb149c38cd - std::rt::lang_start_internal::hf560e7575b65e65f
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:20
[INFO] [stderr]     32:     0x55eb149523b7 - std::rt::lang_start::hcfc8efe8af84c9f6
[INFO] [stderr]     33:     0x55eb1495ae95 - main
[INFO] [stderr]     34:     0x7f166b403d90 - <unknown>
[INFO] [stderr]     35:     0x7f166b403e40 - __libc_start_main
[INFO] [stderr]     36:     0x55eb14951935 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "87c96e5a21ebdddd62582b9198abc75341a3fc5ada0caadf12414e46ce47e734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c96e5a21ebdddd62582b9198abc75341a3fc5ada0caadf12414e46ce47e734", kill_on_drop: false }`
[INFO] [stdout] 87c96e5a21ebdddd62582b9198abc75341a3fc5ada0caadf12414e46ce47e734