[INFO] cloning repository https://github.com/Aganthor/vulkano-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aganthor/vulkano-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fvulkano-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fvulkano-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f447533881d174621145fbcb727e1560b8331911
[INFO] checking Aganthor/vulkano-tutorial against try#94e848735e78b58442e0b82e9c60f8f430840389 for pr-149218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAganthor%2Fvulkano-tutorial" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aganthor/vulkano-tutorial
[INFO] finished tweaking git repo https://github.com/Aganthor/vulkano-tutorial
[INFO] tweaked toml for git repo https://github.com/Aganthor/vulkano-tutorial written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aganthor/vulkano-tutorial on toolchain 94e848735e78b58442e0b82e9c60f8f430840389
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aganthor/vulkano-tutorial 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" "+94e848735e78b58442e0b82e9c60f8f430840389" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4132aae261a3775fa30ec076e92bded1ad854b3c5d742dfd944c8825efcef4cc
[INFO] running `Command { std: "docker" "start" "-a" "4132aae261a3775fa30ec076e92bded1ad854b3c5d742dfd944c8825efcef4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4132aae261a3775fa30ec076e92bded1ad854b3c5d742dfd944c8825efcef4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4132aae261a3775fa30ec076e92bded1ad854b3c5d742dfd944c8825efcef4cc", kill_on_drop: false }`
[INFO] [stdout] 4132aae261a3775fa30ec076e92bded1ad854b3c5d742dfd944c8825efcef4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+94e848735e78b58442e0b82e9c60f8f430840389" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32042943acfb391a136f044f473749c1551e6e0e42aea13a117ae9bd317c151b
[INFO] running `Command { std: "docker" "start" "-a" "32042943acfb391a136f044f473749c1551e6e0e42aea13a117ae9bd317c151b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling vulkano v0.18.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking vk-sys v0.5.1
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking half v1.5.0
[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-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' (985) 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:     0x61458c4020a2 - std::backtrace_rs::backtrace::libunwind::trace::h80e4eadf14c66f26
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61458c4020a2 - std::backtrace_rs::backtrace::trace_unsynchronized::he46a0c19ed38f7c7
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61458c4020a2 - std::sys::backtrace::_print_fmt::hc7a43b2421a0b6ba
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x61458c4020a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h58cb999c48fcda8e
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x61458c412037 - core::fmt::rt::Argument::fmt::h5811bb9db91c4bdf
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x61458c412037 - core::fmt::write::hbe5d6514e7994ce4
[INFO] [stderr]      6:     0x61458c3d3b76 - std::io::default_write_fmt::h9d9abe87a9458259
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x61458c3d3b76 - std::io::Write::write_fmt::h959cd774853fbaf4
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x61458c3e0431 - std::sys::backtrace::BacktraceLock::print::h1c1878c0edb74dcf
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x61458c3e0431 - std::panicking::default_hook::{{closure}}::h03783dc55b1c4639
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x61458c3e0256 - std::panicking::default_hook::h9f69de0df6286f92
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x61458c3e093b - std::panicking::panic_with_hook::h5cd3d9dc1294b80b
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x61458c3e07b8 - std::panicking::panic_handler::{{closure}}::h17cea3611bf99675
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x61458c3ddf19 - std::sys::backtrace::__rust_end_short_backtrace::h665c00b7404bec19
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x61458c3c84ad - __rustc[a72051c83d0cfd7e]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x61458c4156cc - core::panicking::panic_fmt::h428a28ace6f8a6f4
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x61458c387966 - <build_script_build[e6b60ac6b68d1f69]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x61458c385f79 - <core[c9d721919c7c7d9e]::option::Option<std[eba09e545cc47dd2]::path::PathBuf>>::unwrap_or_else::<<build_script_build[e6b60ac6b68d1f69]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x61458c3862dc - <build_script_build[e6b60ac6b68d1f69]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x61458c38a7de - build_script_build[e6b60ac6b68d1f69]::main
[INFO] [stderr]     20:     0x61458c38c383 - <fn() as core[c9d721919c7c7d9e]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x61458c386e56 - std[eba09e545cc47dd2]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x61458c387989 - std[eba09e545cc47dd2]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x61458c3d547a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h363f97d521c47ff5
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x61458c3d547a - std::panicking::catch_unwind::do_call::h4a2dbbc2240abc17
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:582:40
[INFO] [stderr]     25:     0x61458c3d547a - std::panicking::catch_unwind::he31676af1f997eb7
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:545:19
[INFO] [stderr]     26:     0x61458c3d547a - std::panic::catch_unwind::he8ca5fc72329d194
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x61458c3d547a - std::rt::lang_start_internal::{{closure}}::hac4394c065bb209d
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x61458c3d547a - std::panicking::catch_unwind::do_call::h38be5134ec9fde56
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:582:40
[INFO] [stderr]     29:     0x61458c3d547a - std::panicking::catch_unwind::h2c7827a3ea4afc22
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panicking.rs:545:19
[INFO] [stderr]     30:     0x61458c3d547a - std::panic::catch_unwind::h428ccb0beeec507c
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x61458c3d547a - std::rt::lang_start_internal::h067ee1eadeb6999d
[INFO] [stderr]                                  at /rustc/94e848735e78b58442e0b82e9c60f8f430840389/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x61458c386e41 - std[eba09e545cc47dd2]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x61458c38c505 - main
[INFO] [stderr]     34:     0x7138c2a1b1ca - <unknown>
[INFO] [stderr]     35:     0x7138c2a1b28b - __libc_start_main
[INFO] [stderr]     36:     0x61458c385665 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "32042943acfb391a136f044f473749c1551e6e0e42aea13a117ae9bd317c151b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32042943acfb391a136f044f473749c1551e6e0e42aea13a117ae9bd317c151b", kill_on_drop: false }`
[INFO] [stdout] 32042943acfb391a136f044f473749c1551e6e0e42aea13a117ae9bd317c151b
