[INFO] fetching crate nobs-vulkanism 0.1.0...
[INFO] testing nobs-vulkanism-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate nobs-vulkanism 0.1.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nobs-vulkanism 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 107 packages to latest compatible versions
[INFO] [stderr]       Adding winit v0.18.1 (available: v0.30.11)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-vkmem v0.2.0
[INFO] [stderr]   Downloaded nobs-vkpipes-macro v0.1.0
[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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b293bcd7fe8690a79b5983e0011b092d961ba1ce7d256710420f2a7872194eb
[INFO] running `Command { std: "docker" "start" "-a" "9b293bcd7fe8690a79b5983e0011b092d961ba1ce7d256710420f2a7872194eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b293bcd7fe8690a79b5983e0011b092d961ba1ce7d256710420f2a7872194eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b293bcd7fe8690a79b5983e0011b092d961ba1ce7d256710420f2a7872194eb", kill_on_drop: false }`
[INFO] [stdout] 9b293bcd7fe8690a79b5983e0011b092d961ba1ce7d256710420f2a7872194eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 49ce16f6efb3f162e948a135106bc5624860796675876296e564ef772566bab4
[INFO] running `Command { std: "docker" "start" "-a" "49ce16f6efb3f162e948a135106bc5624860796675876296e564ef772566bab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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 rand v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling nobs-vk v0.2.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr] error: failed to run custom build command for `shaderc v0.3.16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/shaderc-c8fd95a3669b3214/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:     0x581383e92342 - std::backtrace_rs::backtrace::libunwind::trace::h7c95ef939f65c294
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x581383e92342 - std::backtrace_rs::backtrace::trace_unsynchronized::h32c948083968be8c
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x581383e92342 - std::sys::backtrace::_print_fmt::hbce1ec88d06e088c
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x581383e92342 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb9fc0e74cd3e2ce7
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x581383eb5113 - core::fmt::rt::Argument::fmt::h6807405d250eb341
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x581383eb5113 - core::fmt::write::h44c4c28224d1d425
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25
[INFO] [stderr]      6:     0x581383e8ef33 - std::io::default_write_fmt::h2bbef4d99fdfa1fb
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x581383e8ef33 - std::io::Write::write_fmt::h7c137d8faa040f47
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x581383e92192 - std::sys::backtrace::BacktraceLock::print::hdd765023e0895687
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x581383e93622 - std::panicking::default_hook::{{closure}}::h3703709d08ff9881
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x581383e93425 - std::panicking::default_hook::h52db45a3301fd26f
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x581383e93ff2 - std::panicking::rust_panic_with_hook::h6c4d7d69d053bb09
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x581383e93d8a - std::panicking::begin_panic_handler::{{closure}}::h7b56674cf0518b4b
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x581383e92839 - std::sys::backtrace::__rust_end_short_backtrace::h3266312f35a9262a
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x581383e93a1d - __rustc[f4ffc7196a45a630]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x581383eb3fc0 - core::panicking::panic_fmt::h42f13c80076c805d
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x581383de1ff9 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hfe7091f0bce867bc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-0.3.16/build/cmd_finder.rs:45:13
[INFO] [stderr]     17:     0x581383ddfaec - core::option::Option<T>::unwrap_or_else::h4e37ddf205cd8388
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/option.rs:1050:21
[INFO] [stderr]     18:     0x581383de1f83 - build_script_build::cmd_finder::CommandFinder::must_have::h6ea1eef26d317664
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-0.3.16/build/cmd_finder.rs:44:31
[INFO] [stderr]     19:     0x581383de26d1 - build_script_build::main::h808cf62b00b92d7a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-0.3.16/build/build.rs:71:12
[INFO] [stderr]     20:     0x581383ddeb6b - core::ops::function::FnOnce::call_once::ha54357013d875612
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stderr]     21:     0x581383dde81e - std::sys::backtrace::__rust_begin_short_backtrace::h43f0d82acc77711d
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]     22:     0x581383dde721 - std::rt::lang_start::{{closure}}::hd55d055b4f97adae
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:206:18
[INFO] [stderr]     23:     0x581383e8a9f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h776d28ad5d8e3065
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     24:     0x581383e8a9f0 - std::panicking::catch_unwind::do_call::hc52b7f8762002282
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x581383e8a9f0 - std::panicking::catch_unwind::h65ae6675cb87c293
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x581383e8a9f0 - std::panic::catch_unwind::h4bf88f8de30a831e
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x581383e8a9f0 - std::rt::lang_start_internal::{{closure}}::he18cde089aa4ecf1
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x581383e8a9f0 - std::panicking::catch_unwind::do_call::h8d614f4790efaa4f
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x581383e8a9f0 - std::panicking::catch_unwind::he616f21a5745eff4
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x581383e8a9f0 - std::panic::catch_unwind::ha12dd71f2a653c0c
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x581383e8a9f0 - std::rt::lang_start_internal::hacfd5a6cee565422
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x581383dde707 - std::rt::lang_start::h34b3ef4b8ae261b8
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:205:5
[INFO] [stderr]     33:     0x581383de30be - main
[INFO] [stderr]     34:     0x74c70f67c1ca - <unknown>
[INFO] [stderr]     35:     0x74c70f67c28b - __libc_start_main
[INFO] [stderr]     36:     0x581383ddaa95 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "49ce16f6efb3f162e948a135106bc5624860796675876296e564ef772566bab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ce16f6efb3f162e948a135106bc5624860796675876296e564ef772566bab4", kill_on_drop: false }`
[INFO] [stdout] 49ce16f6efb3f162e948a135106bc5624860796675876296e564ef772566bab4