[INFO] fetching crate nobs-vulkanism 0.1.0...
[INFO] checking nobs-vulkanism-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate nobs-vulkanism 0.1.0 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nobs-vulkanism 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 117 packages to latest compatible versions
[INFO] [stderr]       Adding winit v0.18.1 (available: v0.30.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nobs-vkpipes v0.1.0
[INFO] [stderr]   Downloaded nobs-vulkanism-headless v0.1.0
[INFO] [stderr]   Downloaded nobs-vkpipes-macro v0.1.0
[INFO] [stderr]   Downloaded nobs-vkmem v0.2.0
[INFO] [stderr]   Downloaded winit v0.18.1
[INFO] [stderr]   Downloaded nobs-vk v0.2.0
[INFO] [stderr]   Downloaded shaderc v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3d9d5b3687ea5a63c7d600237c0ac4f141afafa09981aa26307fe1d054fbb2
[INFO] running `Command { std: "docker" "start" "-a" "4b3d9d5b3687ea5a63c7d600237c0ac4f141afafa09981aa26307fe1d054fbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3d9d5b3687ea5a63c7d600237c0ac4f141afafa09981aa26307fe1d054fbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3d9d5b3687ea5a63c7d600237c0ac4f141afafa09981aa26307fe1d054fbb2", kill_on_drop: false }`
[INFO] [stdout] 4b3d9d5b3687ea5a63c7d600237c0ac4f141afafa09981aa26307fe1d054fbb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 243bdf5d642e55edae75a7ce3e7d4f373fead71a27f529b5619fb8b6a92c8e1b
[INFO] running `Command { std: "docker" "start" "-a" "243bdf5d642e55edae75a7ce3e7d4f373fead71a27f529b5619fb8b6a92c8e1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.27
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling nobs-vk v0.2.0
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[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-02e5780cd064e857/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (764) 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:     0x5b5ee0bc1d12 - std::backtrace_rs::backtrace::libunwind::trace::h0fb8082ca5562a61
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5b5ee0bc1d12 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa258994374a3cd
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5b5ee0bc1d12 - std::sys::backtrace::_print_fmt::h11496fe34963a885
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5b5ee0bc1d12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hff1a9408d012ee89
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5b5ee0be3ecf - core::fmt::rt::Argument::fmt::hf11195b61445f5d1
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5b5ee0be3ecf - core::fmt::write::h2f1fc679f228cc52
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5b5ee0bb26a3 - std::io::default_write_fmt::hdd5e6d67566e664d
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5b5ee0bb26a3 - std::io::Write::write_fmt::haa2231cbd9aebf95
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5b5ee0bc1b62 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5b5ee0baf59c - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5b5ee0baf3e3 - std::panicking::default_hook::h43da101644971931
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5b5ee0bafada - std::panicking::panic_with_hook::hb4e916c3e65eccec
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5b5ee0bc16ea - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5b5ee0bc1649 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5b5ee0baff7d - __rustc[b29d3319de9a3146]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5b5ee0be6d70 - core::panicking::panic_fmt::h5f8d281875be5ff1
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5b5ee0b2240c - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hace7b722ec176b43
[INFO] [stderr]     17:     0x5b5ee0b21b55 - core::option::Option<T>::unwrap_or_else::h8fcaf17731483d2e
[INFO] [stderr]     18:     0x5b5ee0b225ec - build_script_build::cmd_finder::CommandFinder::must_have::h849e962e04526e25
[INFO] [stderr]     19:     0x5b5ee0b233e1 - build_script_build::main::h76e0c50eca8692a2
[INFO] [stderr]     20:     0x5b5ee0b24b03 - core::ops::function::FnOnce::call_once::hb090797c2d3f29ec
[INFO] [stderr]     21:     0x5b5ee0b21a16 - std::sys::backtrace::__rust_begin_short_backtrace::h82153accbca568f2
[INFO] [stderr]     22:     0x5b5ee0b21ab9 - std::rt::lang_start::{{closure}}::hab1af5225f0499ba
[INFO] [stderr]     23:     0x5b5ee0bc2320 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h32dc2b2f49a48277
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     24:     0x5b5ee0bc2320 - std::panicking::catch_unwind::do_call::h3353546a38525559
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x5b5ee0bc2320 - std::panicking::catch_unwind::h57fb70202d1ae368
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x5b5ee0bc2320 - std::panic::catch_unwind::h4b724a52bb5803b4
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5b5ee0bc2320 - std::rt::lang_start_internal::{{closure}}::h3724b3072c80532a
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5b5ee0bc2320 - std::panicking::catch_unwind::do_call::h4f6e90f858bd1c3f
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x5b5ee0bc2320 - std::panicking::catch_unwind::h81c085c0d350991c
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x5b5ee0bc2320 - std::panic::catch_unwind::h289049af1176d82a
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5b5ee0bc2320 - std::rt::lang_start_internal::h3c37ebeb799b11e1
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5b5ee0b21aa1 - std::rt::lang_start::he9f0e694d4a96e70
[INFO] [stderr]     33:     0x5b5ee0b25185 - main
[INFO] [stderr]     34:     0x7ec2165471ca - <unknown>
[INFO] [stderr]     35:     0x7ec21654728b - __libc_start_main
[INFO] [stderr]     36:     0x5b5ee0b1e565 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "243bdf5d642e55edae75a7ce3e7d4f373fead71a27f529b5619fb8b6a92c8e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243bdf5d642e55edae75a7ce3e7d4f373fead71a27f529b5619fb8b6a92c8e1b", kill_on_drop: false }`
[INFO] [stdout] 243bdf5d642e55edae75a7ce3e7d4f373fead71a27f529b5619fb8b6a92c8e1b