[INFO] cloning repository https://github.com/CircArgs/vulkano_tiled_mm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircArgs/vulkano_tiled_mm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircArgs%2Fvulkano_tiled_mm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircArgs%2Fvulkano_tiled_mm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81799bc40a7ab84869a1286b42df53dddd5a19a4
[INFO] checking CircArgs/vulkano_tiled_mm against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircArgs%2Fvulkano_tiled_mm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CircArgs/vulkano_tiled_mm
[INFO] finished tweaking git repo https://github.com/CircArgs/vulkano_tiled_mm
[INFO] tweaked toml for git repo https://github.com/CircArgs/vulkano_tiled_mm written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CircArgs/vulkano_tiled_mm on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CircArgs/vulkano_tiled_mm 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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0fda1db057a718e3648a671bec214943b38094afea1180718ed3a470d2c442f
[INFO] running `Command { std: "docker" "start" "-a" "d0fda1db057a718e3648a671bec214943b38094afea1180718ed3a470d2c442f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0fda1db057a718e3648a671bec214943b38094afea1180718ed3a470d2c442f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0fda1db057a718e3648a671bec214943b38094afea1180718ed3a470d2c442f", kill_on_drop: false }`
[INFO] [stdout] d0fda1db057a718e3648a671bec214943b38094afea1180718ed3a470d2c442f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffae34fe0fa7b8b0c8136378abe770724b2ca1d9b89f3c1c4cbc4fb5e5ff653a
[INFO] running `Command { std: "docker" "start" "-a" "ffae34fe0fa7b8b0c8136378abe770724b2ca1d9b89f3c1c4cbc4fb5e5ff653a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[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] 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-e13dad7d5703a665/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] 
[INFO] [stderr]   thread 'main' (728) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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:     0x5e5a4a990782 - std::backtrace_rs::backtrace::libunwind::trace::h419e2d151404d994
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e5a4a990782 - std::backtrace_rs::backtrace::trace_unsynchronized::hc6df119ae56e3e05
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e5a4a990782 - std::sys::backtrace::_print_fmt::hc93e7e0d9ffc580d
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e5a4a990782 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf538a4a69e56e5b3
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e5a4a9a0a0f - core::fmt::rt::Argument::fmt::hadad98c229eeaca3
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e5a4a9a0a0f - core::fmt::write::he0b569595d6a8874
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5e5a4a95fff3 - std::io::default_write_fmt::h51a1edf25cfff91f
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e5a4a95fff3 - std::io::Write::write_fmt::h89adc1fb82053c1c
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e5a4a96aea2 - std::sys::backtrace::BacktraceLock::print::h3d8d758c622454ff
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e5a4a96dfdf - std::panicking::default_hook::{{closure}}::h8f37910ac3618cfe
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5e5a4a96de39 - std::panicking::default_hook::h6ab40db5b9f9d884
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5e5a4a96e5b5 - std::panicking::panic_with_hook::h9ad0052a5ac94fe9
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5e5a4a96e44a - std::panicking::panic_handler::{{closure}}::h3e115f82c57850dd
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5e5a4a96afd9 - std::sys::backtrace::__rust_end_short_backtrace::ha96f46064f5690bd
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5e5a4a95439d - __rustc[22086964fa594ecd]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5e5a4a9a4670 - core::panicking::panic_fmt::hbccd72162a725cfb
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e5a4a9024fb - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h7abd47841fafff72
[INFO] [stderr]     17:     0x5e5a4a907f19 - core::option::Option<T>::unwrap_or_else::h9978977924f2e36c
[INFO] [stderr]     18:     0x5e5a4a90247c - build_script_build::cmd_finder::CommandFinder::must_have::hd1538ca058bf7e7f
[INFO] [stderr]     19:     0x5e5a4a905a85 - build_script_build::main::h7a4ef2deb5b1105c
[INFO] [stderr]     20:     0x5e5a4a907143 - core::ops::function::FnOnce::call_once::hbcf964ee9d72f17f
[INFO] [stderr]     21:     0x5e5a4a906bf6 - std::sys::backtrace::__rust_begin_short_backtrace::h900ffa53b33371e2
[INFO] [stderr]     22:     0x5e5a4a906b79 - std::rt::lang_start::{{closure}}::he3545450ab06c50f
[INFO] [stderr]     23:     0x5e5a4a9619c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfb2a30f5c9548e46
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5e5a4a9619c0 - std::panicking::catch_unwind::do_call::ha3fa8fc849abc52a
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x5e5a4a9619c0 - std::panicking::catch_unwind::h631637ba53f82bbb
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x5e5a4a9619c0 - std::panic::catch_unwind::hbd544b3a9f21a796
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5e5a4a9619c0 - std::rt::lang_start_internal::{{closure}}::h6af9b68612589dd0
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5e5a4a9619c0 - std::panicking::catch_unwind::do_call::h9927bee30e054b3a
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x5e5a4a9619c0 - std::panicking::catch_unwind::h2fb385f94fe54a36
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x5e5a4a9619c0 - std::panic::catch_unwind::hf99d356e6efbd4e9
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5e5a4a9619c0 - std::rt::lang_start_internal::h832c676035cfd9ad
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5e5a4a906b61 - std::rt::lang_start::hbb8addda032ba06b
[INFO] [stderr]     33:     0x5e5a4a909ba5 - main
[INFO] [stderr]     34:     0x7b2a2eff11ca - <unknown>
[INFO] [stderr]     35:     0x7b2a2eff128b - __libc_start_main
[INFO] [stderr]     36:     0x5e5a4a901595 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ffae34fe0fa7b8b0c8136378abe770724b2ca1d9b89f3c1c4cbc4fb5e5ff653a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffae34fe0fa7b8b0c8136378abe770724b2ca1d9b89f3c1c4cbc4fb5e5ff653a", kill_on_drop: false }`
[INFO] [stdout] ffae34fe0fa7b8b0c8136378abe770724b2ca1d9b89f3c1c4cbc4fb5e5ff653a
