[INFO] fetching crate nobs-vkpipes 0.1.0...
[INFO] checking nobs-vkpipes-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate nobs-vkpipes 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate nobs-vkpipes 0.1.0
[INFO] finished tweaking crates.io crate nobs-vkpipes 0.1.0
[INFO] tweaked toml for crates.io crate nobs-vkpipes 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nobs-vkpipes 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 990f8f5f5b9b7aac96c473a1d3ae375ea1369441e1be4e1db9921deafebfbd25
[INFO] running `Command { std: "docker" "start" "-a" "990f8f5f5b9b7aac96c473a1d3ae375ea1369441e1be4e1db9921deafebfbd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990f8f5f5b9b7aac96c473a1d3ae375ea1369441e1be4e1db9921deafebfbd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990f8f5f5b9b7aac96c473a1d3ae375ea1369441e1be4e1db9921deafebfbd25", kill_on_drop: false }`
[INFO] [stdout] 990f8f5f5b9b7aac96c473a1d3ae375ea1369441e1be4e1db9921deafebfbd25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 97c44b1714b6114adacd5de1b950fbf1daee47380c3566e2b72ffc658b7b0b85
[INFO] running `Command { std: "docker" "start" "-a" "97c44b1714b6114adacd5de1b950fbf1daee47380c3566e2b72ffc658b7b0b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]    Compiling nobs-vk v0.2.0
[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' (196) 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:     0x60453bc7cd12 - 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:     0x60453bc7cd12 - 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:     0x60453bc7cd12 - std::sys::backtrace::_print_fmt::h11496fe34963a885
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x60453bc7cd12 - <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:     0x60453bc9eecf - core::fmt::rt::Argument::fmt::hf11195b61445f5d1
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x60453bc9eecf - core::fmt::write::h2f1fc679f228cc52
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x60453bc6d6a3 - std::io::default_write_fmt::hdd5e6d67566e664d
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x60453bc6d6a3 - std::io::Write::write_fmt::haa2231cbd9aebf95
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x60453bc7cb62 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x60453bc6a59c - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x60453bc6a3e3 - std::panicking::default_hook::h43da101644971931
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x60453bc6aada - std::panicking::panic_with_hook::hb4e916c3e65eccec
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x60453bc7c6ea - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x60453bc7c649 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x60453bc6af7d - __rustc[b29d3319de9a3146]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x60453bca1d70 - core::panicking::panic_fmt::h5f8d281875be5ff1
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x60453bbdd40c - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hace7b722ec176b43
[INFO] [stderr]     17:     0x60453bbdcb55 - core::option::Option<T>::unwrap_or_else::h8fcaf17731483d2e
[INFO] [stderr]     18:     0x60453bbdd5ec - build_script_build::cmd_finder::CommandFinder::must_have::h849e962e04526e25
[INFO] [stderr]     19:     0x60453bbde3e1 - build_script_build::main::h76e0c50eca8692a2
[INFO] [stderr]     20:     0x60453bbdfb03 - core::ops::function::FnOnce::call_once::hb090797c2d3f29ec
[INFO] [stderr]     21:     0x60453bbdca16 - std::sys::backtrace::__rust_begin_short_backtrace::h82153accbca568f2
[INFO] [stderr]     22:     0x60453bbdcab9 - std::rt::lang_start::{{closure}}::hab1af5225f0499ba
[INFO] [stderr]     23:     0x60453bc7d320 - 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:     0x60453bc7d320 - std::panicking::catch_unwind::do_call::h3353546a38525559
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x60453bc7d320 - std::panicking::catch_unwind::h57fb70202d1ae368
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x60453bc7d320 - std::panic::catch_unwind::h4b724a52bb5803b4
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x60453bc7d320 - std::rt::lang_start_internal::{{closure}}::h3724b3072c80532a
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x60453bc7d320 - std::panicking::catch_unwind::do_call::h4f6e90f858bd1c3f
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x60453bc7d320 - std::panicking::catch_unwind::h81c085c0d350991c
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x60453bc7d320 - std::panic::catch_unwind::h289049af1176d82a
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x60453bc7d320 - std::rt::lang_start_internal::h3c37ebeb799b11e1
[INFO] [stderr]                                  at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x60453bbdcaa1 - std::rt::lang_start::he9f0e694d4a96e70
[INFO] [stderr]     33:     0x60453bbe0185 - main
[INFO] [stderr]     34:     0x7748680cd1ca - <unknown>
[INFO] [stderr]     35:     0x7748680cd28b - __libc_start_main
[INFO] [stderr]     36:     0x60453bbd9565 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "97c44b1714b6114adacd5de1b950fbf1daee47380c3566e2b72ffc658b7b0b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c44b1714b6114adacd5de1b950fbf1daee47380c3566e2b72ffc658b7b0b85", kill_on_drop: false }`
[INFO] [stdout] 97c44b1714b6114adacd5de1b950fbf1daee47380c3566e2b72ffc658b7b0b85