[INFO] cloning repository https://github.com/ConnorBP/vulkano-helloworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorBP/vulkano-helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorBP%2Fvulkano-helloworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorBP%2Fvulkano-helloworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bea8c1ba9188315fb02fee44ddb0f5aa4f489280
[INFO] checking ConnorBP/vulkano-helloworld against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorBP%2Fvulkano-helloworld" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ConnorBP/vulkano-helloworld
[INFO] finished tweaking git repo https://github.com/ConnorBP/vulkano-helloworld
[INFO] tweaked toml for git repo https://github.com/ConnorBP/vulkano-helloworld written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ConnorBP/vulkano-helloworld on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ConnorBP/vulkano-helloworld 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef6075d7e6da7663e05aa9a588d6c7e6ffc2d4bde1cc521b275dc1127c8203c8
[INFO] running `Command { std: "docker" "start" "-a" "ef6075d7e6da7663e05aa9a588d6c7e6ffc2d4bde1cc521b275dc1127c8203c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef6075d7e6da7663e05aa9a588d6c7e6ffc2d4bde1cc521b275dc1127c8203c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6075d7e6da7663e05aa9a588d6c7e6ffc2d4bde1cc521b275dc1127c8203c8", kill_on_drop: false }`
[INFO] [stdout] ef6075d7e6da7663e05aa9a588d6c7e6ffc2d4bde1cc521b275dc1127c8203c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4ff488f39459e5b7c0db28195abc705f11a7755dc490d573a6cfd076bc7e83
[INFO] running `Command { std: "docker" "start" "-a" "6b4ff488f39459e5b7c0db28195abc705f11a7755dc490d573a6cfd076bc7e83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling cmake v0.1.39
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking rusttype v0.7.6
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr] error: failed to run custom build command for `shaderc v0.3.16`
[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-f0105586c1016772/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (642) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-0.3.16/build/cmd_finder.rs:45:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57e1f5dd81e2 - std::backtrace_rs::backtrace::libunwind::trace::h1447ebb0f5d97423
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57e1f5dd81e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd8ef8450cacdcb00
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57e1f5dd81e2 - std::sys::backtrace::_print_fmt::h76eb6aced73cb1a6
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57e1f5dd81e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf32b9a4d7980e15a
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57e1f5de834f - core::fmt::rt::Argument::fmt::h33c8984017ba1f8c
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x57e1f5de834f - core::fmt::write::h8a217dde4af02f7f
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x57e1f5da9343 - std::io::default_write_fmt::h7dacff71da12430f
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57e1f5da9343 - std::io::Write::write_fmt::he9093adb4c5a08ae
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x57e1f5db3a22 - std::sys::backtrace::BacktraceLock::print::hb24323430264831a
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57e1f5db62cc - std::panicking::default_hook::{{closure}}::h5964864ba4b80ee8
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x57e1f5db6126 - std::panicking::default_hook::hd270293f3c8732bd
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x57e1f5db68a5 - std::panicking::panic_with_hook::hef5599d5dbb80493
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x57e1f5db673a - std::panicking::panic_handler::{{closure}}::h2bca71bb385a23e1
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x57e1f5db3b59 - std::sys::backtrace::__rust_end_short_backtrace::h28d2ec1d48b41db7
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x57e1f5d9d5fd - __rustc[78154d2c4a188ef5]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x57e1f5debda0 - core::panicking::panic_fmt::ha99ab4e5275b5df2
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x57e1f5d5eceb - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h5cb2017f8363e61b
[INFO] [stderr]     17:     0x57e1f5d61229 - core::option::Option<T>::unwrap_or_else::hd89c6f48bf753825
[INFO] [stderr]     18:     0x57e1f5d5ec6c - build_script_build::cmd_finder::CommandFinder::must_have::hd72fdf7c3beae2a2
[INFO] [stderr]     19:     0x57e1f5d5f361 - build_script_build::main::h9603ed9971387380
[INFO] [stderr]     20:     0x57e1f5d60513 - core::ops::function::FnOnce::call_once::h336261ae7a943845
[INFO] [stderr]     21:     0x57e1f5d60326 - std::sys::backtrace::__rust_begin_short_backtrace::h83532ceb79d77085
[INFO] [stderr]     22:     0x57e1f5d602a9 - std::rt::lang_start::{{closure}}::h91d85d2dc33802ec
[INFO] [stderr]     23:     0x57e1f5daaa60 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9c35f14e6882b8d3
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x57e1f5daaa60 - std::panicking::catch_unwind::do_call::h924defc6f5f6a4b2
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x57e1f5daaa60 - std::panicking::catch_unwind::h9243fb64bbc98b5f
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x57e1f5daaa60 - std::panic::catch_unwind::hb4c2656a96eb9a02
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x57e1f5daaa60 - std::rt::lang_start_internal::{{closure}}::h6935cf67d242f3ab
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x57e1f5daaa60 - std::panicking::catch_unwind::do_call::h8408aa62219a7189
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x57e1f5daaa60 - std::panicking::catch_unwind::h12ce845e8bca9588
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x57e1f5daaa60 - std::panic::catch_unwind::hcc9c44d1fc83fcf0
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x57e1f5daaa60 - std::rt::lang_start_internal::hafc6ca5f994fb87e
[INFO] [stderr]                                  at /rustc/f27166d4c64dc29edc5ea3214357f191edf8b635/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x57e1f5d60291 - std::rt::lang_start::h447f9129c65bb8d1
[INFO] [stderr]     33:     0x57e1f5d64405 - main
[INFO] [stderr]     34:     0x739b8132d1ca - <unknown>
[INFO] [stderr]     35:     0x739b8132d28b - __libc_start_main
[INFO] [stderr]     36:     0x57e1f5d5dd85 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6b4ff488f39459e5b7c0db28195abc705f11a7755dc490d573a6cfd076bc7e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4ff488f39459e5b7c0db28195abc705f11a7755dc490d573a6cfd076bc7e83", kill_on_drop: false }`
[INFO] [stdout] 6b4ff488f39459e5b7c0db28195abc705f11a7755dc490d573a6cfd076bc7e83
