[INFO] cloning repository https://github.com/quest-sage/quest-sage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quest-sage/quest-sage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquest-sage%2Fquest-sage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquest-sage%2Fquest-sage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f4aed46968e9a9ec01a786c063ee72b2ee689ae
[INFO] checking quest-sage/quest-sage against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquest-sage%2Fquest-sage" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quest-sage/quest-sage 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/quest-sage/quest-sage
[INFO] finished tweaking git repo https://github.com/quest-sage/quest-sage
[INFO] tweaked toml for git repo https://github.com/quest-sage/quest-sage written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/quest-sage/quest-sage 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75f8979f043ea303b9bf13035c26faa490f5dad2a6c6a300eb8ed1630a6a73cf
[INFO] running `Command { std: "docker" "start" "-a" "75f8979f043ea303b9bf13035c26faa490f5dad2a6c6a300eb8ed1630a6a73cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75f8979f043ea303b9bf13035c26faa490f5dad2a6c6a300eb8ed1630a6a73cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f8979f043ea303b9bf13035c26faa490f5dad2a6c6a300eb8ed1630a6a73cf", kill_on_drop: false }`
[INFO] [stdout] 75f8979f043ea303b9bf13035c26faa490f5dad2a6c6a300eb8ed1630a6a73cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef1d58ab2696b8a07e0111ebb2f61e042c7ae09a0145b1c4acd8e834162a6c72
[INFO] running `Command { std: "docker" "start" "-a" "ef1d58ab2696b8a07e0111ebb2f61e042c7ae09a0145b1c4acd8e834162a6c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling weezl v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling wayland-client v0.28.1
[INFO] [stderr]    Compiling wayland-protocols v0.28.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling shaderc-sys v0.7.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc-sys@0.7.0: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc-sys@0.7.0: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.7.0`
[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-9fe25c7296909676/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr]   cargo:warning=shaderc: cannot find native shaderc library on system; 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-0.7.0/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:     0x556757426075 - 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:     0x556757426075 - 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:     0x556757426075 - std::sys_common::backtrace::_print_fmt::haa4d06348037420c
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x556757426075 - <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:     0x55675744a97b - core::fmt::rt::Argument::fmt::he1186800a1f8dba1
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55675744a97b - core::fmt::write::h93b97d526ac83ab7
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]      6:     0x556757422f6f - std::io::Write::write_fmt::h5b8b8a434bcca5dd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]      7:     0x556757425e4e - std::sys_common::backtrace::_print::h68eb04d9824256f0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x556757425e4e - std::sys_common::backtrace::print::h9c98f0d9c4306586
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5567574273d9 - std::panicking::default_hook::{{closure}}::hcf6830dc400daae4
[INFO] [stderr]     10:     0x55675742711d - std::panicking::default_hook::h483615856e3a5cc0
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x5567574278e3 - std::panicking::rust_panic_with_hook::h36ebc998f351e5fd
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x5567574277c4 - std::panicking::begin_panic_handler::{{closure}}::h686207a93492b797
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:664:13
[INFO] [stderr]     13:     0x556757426539 - 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:     0x5567574274f7 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x556757449703 - core::panicking::panic_fmt::heae5d8e5e3703b89
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x5567573b945a - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hcd3d5f7e8346d9f3
[INFO] [stderr]     17:     0x5567573b6513 - core::option::Option<T>::unwrap_or_else::h8d7f57333b81c3b2
[INFO] [stderr]     18:     0x5567573b93bc - build_script_build::cmd_finder::CommandFinder::must_have::he1c33bfd2f89dc87
[INFO] [stderr]     19:     0x5567573bcc69 - build_script_build::main::h9fddb8af567faca0
[INFO] [stderr]     20:     0x5567573b5a33 - core::ops::function::FnOnce::call_once::h0b34db7805575b46
[INFO] [stderr]     21:     0x5567573b4a66 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1b90d6c23f92a636
[INFO] [stderr]     22:     0x5567573b5109 - std::rt::lang_start::{{closure}}::h203e087c16f8355b
[INFO] [stderr]     23:     0x55675741f05d - 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:     0x55675741f05d - std::panicking::try::do_call::ha27ca65264b021a4
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     25:     0x55675741f05d - std::panicking::try::h901e100a17b3cd54
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     26:     0x55675741f05d - std::panic::catch_unwind::h13d256f1691dfb07
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     27:     0x55675741f05d - std::rt::lang_start_internal::{{closure}}::hdf5a5a26190e1fd8
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:48
[INFO] [stderr]     28:     0x55675741f05d - std::panicking::try::do_call::h3a8fb98242ec30e5
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40
[INFO] [stderr]     29:     0x55675741f05d - std::panicking::try::h881801cd3cb8ba77
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19
[INFO] [stderr]     30:     0x55675741f05d - std::panic::catch_unwind::he14d380083644433
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14
[INFO] [stderr]     31:     0x55675741f05d - std::rt::lang_start_internal::hf560e7575b65e65f
[INFO] [stderr]                                  at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:20
[INFO] [stderr]     32:     0x5567573b50e7 - std::rt::lang_start::ha31a3a2928a46bc5
[INFO] [stderr]     33:     0x5567573bd705 - main
[INFO] [stderr]     34:     0x7f53b9f9ad90 - <unknown>
[INFO] [stderr]     35:     0x7f53b9f9ae40 - __libc_start_main
[INFO] [stderr]     36:     0x5567573b4665 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef1d58ab2696b8a07e0111ebb2f61e042c7ae09a0145b1c4acd8e834162a6c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1d58ab2696b8a07e0111ebb2f61e042c7ae09a0145b1c4acd8e834162a6c72", kill_on_drop: false }`
[INFO] [stdout] ef1d58ab2696b8a07e0111ebb2f61e042c7ae09a0145b1c4acd8e834162a6c72