[INFO] cloning repository https://github.com/BrandtM/vulkan-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrandtM/vulkan-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrandtM%2Fvulkan-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrandtM%2Fvulkan-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a662cf4dbfc7810b9307fe2996aefb04b1fee19d
[INFO] checking BrandtM/vulkan-sandbox against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrandtM%2Fvulkan-sandbox" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BrandtM/vulkan-sandbox
[INFO] finished tweaking git repo https://github.com/BrandtM/vulkan-sandbox
[INFO] tweaked toml for git repo https://github.com/BrandtM/vulkan-sandbox written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BrandtM/vulkan-sandbox on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BrandtM/vulkan-sandbox 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 691aabdcfc941f02720ecb13ed825f03d16d31c9e1a206161a11a1973adc4e29
[INFO] running `Command { std: "docker" "start" "-a" "691aabdcfc941f02720ecb13ed825f03d16d31c9e1a206161a11a1973adc4e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "691aabdcfc941f02720ecb13ed825f03d16d31c9e1a206161a11a1973adc4e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691aabdcfc941f02720ecb13ed825f03d16d31c9e1a206161a11a1973adc4e29", kill_on_drop: false }`
[INFO] [stdout] 691aabdcfc941f02720ecb13ed825f03d16d31c9e1a206161a11a1973adc4e29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee97e5f5372a42f302a5a26864b67f7a77277c93e664b1b556463518b163e2f
[INFO] running `Command { std: "docker" "start" "-a" "aee97e5f5372a42f302a5a26864b67f7a77277c93e664b1b556463518b163e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr] warning: shaderc-sys@0.6.2: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.2: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.2`
[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-783f0b087a30405a/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' (1206) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.2/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:     0x58647ed00882 - std::backtrace_rs::backtrace::libunwind::trace::h616ec230c5e48833
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x58647ed00882 - std::backtrace_rs::backtrace::trace_unsynchronized::h1cb9ba010d408e85
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x58647ed00882 - std::sys::backtrace::_print_fmt::h423772e3ab37228d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x58647ed00882 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h1b20bf43538739a7
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x58647ed109bf - core::fmt::rt::Argument::fmt::hdc121315d91682d8
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x58647ed109bf - core::fmt::write::h8b43cab19ae1983d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x58647ecd19b3 - std::io::default_write_fmt::he3cda771937121ba
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x58647ecd19b3 - std::io::Write::write_fmt::he6ba151b4ec7471d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x58647ecdc072 - std::sys::backtrace::BacktraceLock::print::h071283e026a65e09
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x58647ecde92c - std::panicking::default_hook::{{closure}}::h8648822bb5a469ca
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x58647ecde786 - std::panicking::default_hook::h9a8734a4c300303d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x58647ecdef05 - std::panicking::panic_with_hook::h07e66ce18b93f67f
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x58647ecded9a - std::panicking::panic_handler::{{closure}}::h30e90fd534d9b1a9
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x58647ecdc1a9 - std::sys::backtrace::__rust_end_short_backtrace::h4667bac268f68e7d
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x58647ecc5c6d - __rustc[46abfc8fab5e70aa]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x58647ed14410 - core::panicking::panic_fmt::hb22f86c4fe9ab4a0
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x58647ec8264b - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h611834f210135e8a
[INFO] [stderr]     17:     0x58647ec86ea9 - core::option::Option<T>::unwrap_or_else::h108293fff5057a88
[INFO] [stderr]     18:     0x58647ec825cc - build_script_build::cmd_finder::CommandFinder::must_have::hd59e00edad3afcd7
[INFO] [stderr]     19:     0x58647ec85281 - build_script_build::main::h7f31457c4d06dfe2
[INFO] [stderr]     20:     0x58647ec86193 - core::ops::function::FnOnce::call_once::h117b80dcf6ae9925
[INFO] [stderr]     21:     0x58647ec85de6 - std::sys::backtrace::__rust_begin_short_backtrace::h0472f4e423ff6075
[INFO] [stderr]     22:     0x58647ec85d19 - std::rt::lang_start::{{closure}}::h4d420c8ade32cd7d
[INFO] [stderr]     23:     0x58647ecd30f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1bbfd62f68f057d9
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x58647ecd30f0 - std::panicking::catch_unwind::do_call::hee035b3c2920b908
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x58647ecd30f0 - std::panicking::catch_unwind::h9decfeaa9848961c
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x58647ecd30f0 - std::panic::catch_unwind::hcdea1fe72f085026
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x58647ecd30f0 - std::rt::lang_start_internal::{{closure}}::h7ee72e2bc04047ad
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x58647ecd30f0 - std::panicking::catch_unwind::do_call::h9dbd3371bbdb444c
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x58647ecd30f0 - std::panicking::catch_unwind::hc0bf821dd763cfc4
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x58647ecd30f0 - std::panic::catch_unwind::h560d9660858f6b78
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x58647ecd30f0 - std::rt::lang_start_internal::he2bdaa4ecf39e479
[INFO] [stderr]                                  at /rustc/438eb4c1a1c3841523d7f672601e8adbe04cff28/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x58647ec85d01 - std::rt::lang_start::hf9ce5cbaf93be1b9
[INFO] [stderr]     33:     0x58647ec88775 - main
[INFO] [stderr]     34:     0x72a3628951ca - <unknown>
[INFO] [stderr]     35:     0x72a36289528b - __libc_start_main
[INFO] [stderr]     36:     0x58647ec816e5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aee97e5f5372a42f302a5a26864b67f7a77277c93e664b1b556463518b163e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee97e5f5372a42f302a5a26864b67f7a77277c93e664b1b556463518b163e2f", kill_on_drop: false }`
[INFO] [stdout] aee97e5f5372a42f302a5a26864b67f7a77277c93e664b1b556463518b163e2f
