[INFO] cloning repository https://github.com/andrew-pa/vkrg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrew-pa/vkrg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-pa%2Fvkrg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-pa%2Fvkrg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2fe88f455d45041a3f850ad97d728752b09eef5
[INFO] checking andrew-pa/vkrg against try#1c4199da70f816f2239f41c55168ff75a3663718 for pr-155499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-pa%2Fvkrg" "/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/andrew-pa/vkrg
[INFO] finished tweaking git repo https://github.com/andrew-pa/vkrg
[INFO] tweaked toml for git repo https://github.com/andrew-pa/vkrg written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andrew-pa/vkrg on toolchain 1c4199da70f816f2239f41c55168ff75a3663718
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andrew-pa/vkrg 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" "+1c4199da70f816f2239f41c55168ff75a3663718" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8803cfbdece3234101799252df704185d8d96f73e60b8f43a98ebfeeeaa804d1
[INFO] running `Command { std: "docker" "start" "-a" "8803cfbdece3234101799252df704185d8d96f73e60b8f43a98ebfeeeaa804d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8803cfbdece3234101799252df704185d8d96f73e60b8f43a98ebfeeeaa804d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8803cfbdece3234101799252df704185d8d96f73e60b8f43a98ebfeeeaa804d1", kill_on_drop: false }`
[INFO] [stdout] 8803cfbdece3234101799252df704185d8d96f73e60b8f43a98ebfeeeaa804d1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563e18f43977be069a3b35424c8faa55afc627517f88dea828a1d0ed66e7b2f8
[INFO] running `Command { std: "docker" "start" "-a" "563e18f43977be069a3b35424c8faa55afc627517f88dea828a1d0ed66e7b2f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling vulkano v0.18.0
[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-3904644f32d17473/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' (1278) 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:     0x5c650b8909aa - std[ccca968540c01cc9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c650b8909aa - std[ccca968540c01cc9]::backtrace_rs::backtrace::trace_unsynchronized::<std[ccca968540c01cc9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c650b8909aa - std[ccca968540c01cc9]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5c650b8909aa - <<std[ccca968540c01cc9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[f51a453478e42253]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5c650b8a498a - <core[f51a453478e42253]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5c650b8a498a - core[f51a453478e42253]::fmt::write
[INFO] [stderr]      6:     0x5c650b896802 - std[ccca968540c01cc9]::io::default_write_fmt::<std[ccca968540c01cc9]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5c650b896802 - <std[ccca968540c01cc9]::sys::stdio::unix::Stderr as std[ccca968540c01cc9]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5c650b87282f - <std[ccca968540c01cc9]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5c650b87282f - std[ccca968540c01cc9]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5c650b88b811 - std[ccca968540c01cc9]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5c650b88b9cb - std[ccca968540c01cc9]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5c650b8728e8 - std[ccca968540c01cc9]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5c650b867a49 - std[ccca968540c01cc9]::sys::backtrace::__rust_end_short_backtrace::<std[ccca968540c01cc9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5c650b87324d - __rustc[e0820dc784133a37]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5c650b8a507c - core[f51a453478e42253]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5c650b819c26 - <build_script_build[f6d49a94eeb890f9]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x5c650b818289 - <core[f51a453478e42253]::option::Option<std[ccca968540c01cc9]::path::PathBuf>>::unwrap_or_else::<<build_script_build[f6d49a94eeb890f9]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x5c650b8185ec - <build_script_build[f6d49a94eeb890f9]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x5c650b81ca9e - build_script_build[f6d49a94eeb890f9]::main
[INFO] [stderr]     20:     0x5c650b81e563 - <fn() as core[f51a453478e42253]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5c650b819146 - std[ccca968540c01cc9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5c650b819c49 - std[ccca968540c01cc9]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5c650b88a907 - <&dyn core[f51a453478e42253]::ops::function::Fn<(), Output = i32> + core[f51a453478e42253]::marker::Sync + core[f51a453478e42253]::panic::unwind_safe::RefUnwindSafe as core[f51a453478e42253]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5c650b88a907 - std[ccca968540c01cc9]::panicking::catch_unwind::do_call::<&dyn core[f51a453478e42253]::ops::function::Fn<(), Output = i32> + core[f51a453478e42253]::marker::Sync + core[f51a453478e42253]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5c650b88a907 - std[ccca968540c01cc9]::panicking::catch_unwind::<i32, &dyn core[f51a453478e42253]::ops::function::Fn<(), Output = i32> + core[f51a453478e42253]::marker::Sync + core[f51a453478e42253]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5c650b88a907 - std[ccca968540c01cc9]::panic::catch_unwind::<&dyn core[f51a453478e42253]::ops::function::Fn<(), Output = i32> + core[f51a453478e42253]::marker::Sync + core[f51a453478e42253]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5c650b88a907 - std[ccca968540c01cc9]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5c650b88a907 - std[ccca968540c01cc9]::panicking::catch_unwind::do_call::<std[ccca968540c01cc9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5c650b88a907 - std[ccca968540c01cc9]::panicking::catch_unwind::<isize, std[ccca968540c01cc9]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5c650b88a907 - std[ccca968540c01cc9]::panic::catch_unwind::<std[ccca968540c01cc9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5c650b88a907 - std[ccca968540c01cc9]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5c650b818d01 - std[ccca968540c01cc9]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5c650b81e6e5 - main
[INFO] [stderr]     34:     0x74626c9211ca - <unknown>
[INFO] [stderr]     35:     0x74626c92128b - __libc_start_main
[INFO] [stderr]     36:     0x5c650b817925 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "563e18f43977be069a3b35424c8faa55afc627517f88dea828a1d0ed66e7b2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563e18f43977be069a3b35424c8faa55afc627517f88dea828a1d0ed66e7b2f8", kill_on_drop: false }`
[INFO] [stdout] 563e18f43977be069a3b35424c8faa55afc627517f88dea828a1d0ed66e7b2f8
