[INFO] fetching crate nobs-vulkanism 0.1.0...
[INFO] checking nobs-vulkanism-0.1.0 against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] extracting crate nobs-vulkanism 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate nobs-vulkanism 0.1.0 on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nobs-vulkanism 0.1.0
[INFO] finished tweaking crates.io crate nobs-vulkanism 0.1.0
[INFO] tweaked toml for crates.io crate nobs-vulkanism 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 107 packages to latest compatible versions
[INFO] [stderr]       Adding winit v0.18.1 (available: v0.30.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nobs-vulkanism-headless v0.1.0
[INFO] [stderr]   Downloaded nobs-vkmem v0.2.0
[INFO] [stderr]   Downloaded nobs-vkpipes v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b9e4772a187072c99a0c4030175db9ec4435b6ec0aeb124abaeefbf1a37ca57
[INFO] running `Command { std: "docker" "start" "-a" "0b9e4772a187072c99a0c4030175db9ec4435b6ec0aeb124abaeefbf1a37ca57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9e4772a187072c99a0c4030175db9ec4435b6ec0aeb124abaeefbf1a37ca57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9e4772a187072c99a0c4030175db9ec4435b6ec0aeb124abaeefbf1a37ca57", kill_on_drop: false }`
[INFO] [stdout] 0b9e4772a187072c99a0c4030175db9ec4435b6ec0aeb124abaeefbf1a37ca57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d287ae026b64ed9943e4450f70190455b9b56180b72627af2a2fde2c2734a754
[INFO] running `Command { std: "docker" "start" "-a" "d287ae026b64ed9943e4450f70190455b9b56180b72627af2a2fde2c2734a754", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling cc v1.2.20
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling nobs-vk v0.2.0
[INFO] [stderr]    Compiling shaderc v0.3.16
[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-49b2bfe57c102174/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' 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:     0x60c8cb7f4382 - std::backtrace_rs::backtrace::libunwind::trace::hfd22d01457d7800f
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60c8cb7f4382 - std::backtrace_rs::backtrace::trace_unsynchronized::h2f58194b6ef935af
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60c8cb7f4382 - std::sys::backtrace::_print_fmt::hbd6464a8283a8a6f
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x60c8cb7f4382 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb91047b251fae63c
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x60c8cb816253 - core::fmt::rt::Argument::fmt::h0e7e4842b199d137
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/core/src/fmt/rt.rs:179:76
[INFO] [stderr]      5:     0x60c8cb816253 - core::fmt::write::he0f152a72a39e714
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/core/src/fmt/mod.rs:1481:25
[INFO] [stderr]      6:     0x60c8cb7f0db3 - std::io::default_write_fmt::h5307c1424ab67daa
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x60c8cb7f0db3 - std::io::Write::write_fmt::h748d2906906d8922
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x60c8cb7f41d2 - std::sys::backtrace::BacktraceLock::print::h59a3558b83cea2de
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x60c8cb7f5672 - std::panicking::default_hook::{{closure}}::h9986bef7b9435d39
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x60c8cb7f5475 - std::panicking::default_hook::hd74422d234078745
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x60c8cb7f6052 - std::panicking::rust_panic_with_hook::ha6a31295a8ebad5b
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x60c8cb7f5dda - std::panicking::begin_panic_handler::{{closure}}::hf9a5e13b009d3296
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x60c8cb7f4889 - std::sys::backtrace::__rust_end_short_backtrace::hca844f461693ae5c
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x60c8cb7f5a6d - __rustc[ef682cde3c78be63]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x60c8cb8150e0 - core::panicking::panic_fmt::haf0e65bb54b02be2
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x60c8cb75aa69 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hfef269a0d0c0c5e0
[INFO] [stderr]     17:     0x60c8cb758a15 - core::option::Option<T>::unwrap_or_else::h0bf471ccc0277871
[INFO] [stderr]     18:     0x60c8cb75a9ec - build_script_build::cmd_finder::CommandFinder::must_have::h7c97c89ddc5ca277
[INFO] [stderr]     19:     0x60c8cb75b111 - build_script_build::main::h4ca37503092bd5e8
[INFO] [stderr]     20:     0x60c8cb758093 - core::ops::function::FnOnce::call_once::h87c9101f54c2a247
[INFO] [stderr]     21:     0x60c8cb757ac6 - std::sys::backtrace::__rust_begin_short_backtrace::h80ce3b350e7bdffb
[INFO] [stderr]     22:     0x60c8cb757a09 - std::rt::lang_start::{{closure}}::hb6d52963e17603b5
[INFO] [stderr]     23:     0x60c8cb7ec910 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h70119ea60910cc76
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x60c8cb7ec910 - std::panicking::try::do_call::h24ba86ecd61a9381
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x60c8cb7ec910 - std::panicking::try::he0beb0401dc1ef22
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x60c8cb7ec910 - std::panic::catch_unwind::hb6d36aed172dbe49
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x60c8cb7ec910 - std::rt::lang_start_internal::{{closure}}::h61368a232a5ae0da
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/rt.rs:168:24
[INFO] [stderr]     28:     0x60c8cb7ec910 - std::panicking::try::do_call::h5b3a85e5f117cab5
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x60c8cb7ec910 - std::panicking::try::h7c6e674b166dddde
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x60c8cb7ec910 - std::panic::catch_unwind::h3c983bdf6cfe637e
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x60c8cb7ec910 - std::rt::lang_start_internal::hb31ac0bf03fca4e4
[INFO] [stderr]                                  at /rustc/121a90d34197f711021eeb158e7f4184b8be8ceb/library/std/src/rt.rs:164:5
[INFO] [stderr]     32:     0x60c8cb7579f1 - std::rt::lang_start::haee8540ac7fcba33
[INFO] [stderr]     33:     0x60c8cb75bae5 - main
[INFO] [stderr]     34:     0x7128a594b1ca - <unknown>
[INFO] [stderr]     35:     0x7128a594b28b - __libc_start_main
[INFO] [stderr]     36:     0x60c8cb755185 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d287ae026b64ed9943e4450f70190455b9b56180b72627af2a2fde2c2734a754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d287ae026b64ed9943e4450f70190455b9b56180b72627af2a2fde2c2734a754", kill_on_drop: false }`
[INFO] [stdout] d287ae026b64ed9943e4450f70190455b9b56180b72627af2a2fde2c2734a754