[INFO] fetching crate boom_build 0.1.0...
[INFO] checking boom_build-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate boom_build 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate boom_build 0.1.0
[INFO] finished tweaking crates.io crate boom_build 0.1.0
[INFO] tweaked toml for crates.io crate boom_build 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate boom_build 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding shaderc v0.6.3 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6237b1ff7c844f8ac3fe74e28b8b5ef62de69cb8285e3c5966d9080a2c7739a0
[INFO] running `Command { std: "docker" "start" "-a" "6237b1ff7c844f8ac3fe74e28b8b5ef62de69cb8285e3c5966d9080a2c7739a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6237b1ff7c844f8ac3fe74e28b8b5ef62de69cb8285e3c5966d9080a2c7739a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6237b1ff7c844f8ac3fe74e28b8b5ef62de69cb8285e3c5966d9080a2c7739a0", kill_on_drop: false }`
[INFO] [stdout] 6237b1ff7c844f8ac3fe74e28b8b5ef62de69cb8285e3c5966d9080a2c7739a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e86e4b844e33cb407728e24a198904a925b974c153b3ff64f4eccaa5ed31cbbb
[INFO] running `Command { std: "docker" "start" "-a" "e86e4b844e33cb407728e24a198904a925b974c153b3ff64f4eccaa5ed31cbbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3`
[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-f5927d53e621810e/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' (50) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/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:     0x5d37871a2c82 - std::backtrace_rs::backtrace::libunwind::trace::h982c226fb4228175
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d37871a2c82 - std::backtrace_rs::backtrace::trace_unsynchronized::h8cc9ffd61ea62d23
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d37871a2c82 - std::sys::backtrace::_print_fmt::h4cd5293c5cadcdba
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5d37871a2c82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he2170ac7a9b7d8e2
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5d37871c4e3f - core::fmt::rt::Argument::fmt::he3e46e602c5238bb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5d37871c4e3f - core::fmt::write::h08b69b6f6da9dedb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5d3787193393 - std::io::default_write_fmt::hbaf91e190600da50
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5d3787193393 - std::io::Write::write_fmt::h6c1a272d72aa806a
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5d37871a2a82 - std::sys::backtrace::BacktraceLock::print::ha3901afbdca4af34
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5d3787190c6c - std::panicking::default_hook::{{closure}}::h21b46c3ea4063e1b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5d3787190aaf - std::panicking::default_hook::hc9b0213082b48a5b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5d3787190265 - std::panicking::panic_with_hook::h2fc74b51da84ab93
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5d37871a260a - std::panicking::panic_handler::{{closure}}::hce1829c84eba5126
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5d37871a2569 - std::sys::backtrace::__rust_end_short_backtrace::h5d12bc139fa5e72b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5d378718ffdd - __rustc[4e1d0de11a6e25cc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5d37871c78d0 - core::panicking::panic_fmt::h633d971b6a6af30d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5d37870fee4c - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h305e04c61e3f085d
[INFO] [stderr]     17:     0x5d37870f8e45 - core::option::Option<T>::unwrap_or_else::haa7bde2d185285ab
[INFO] [stderr]     18:     0x5d37870ff57c - build_script_build::cmd_finder::CommandFinder::must_have::h2975d47df80d47d3
[INFO] [stderr]     19:     0x5d37870fe201 - build_script_build::main::hf4bbc24222e57671
[INFO] [stderr]     20:     0x5d37870fa483 - core::ops::function::FnOnce::call_once::h406a49f8937207fc
[INFO] [stderr]     21:     0x5d37870f9e96 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d184754902d36b
[INFO] [stderr]     22:     0x5d37870f8e99 - std::rt::lang_start::{{closure}}::h81d1f0e12cbce8fc
[INFO] [stderr]     23:     0x5d37871a3520 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6fdf5846d395b249
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     24:     0x5d37871a3520 - std::panicking::catch_unwind::do_call::h9c9fbecc0eb64106
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x5d37871a3520 - std::panicking::catch_unwind::hb949e3b05dcea7f8
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x5d37871a3520 - std::panic::catch_unwind::h597b2e757d3f0617
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5d37871a3520 - std::rt::lang_start_internal::{{closure}}::h734b73e4ff4afa90
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5d37871a3520 - std::panicking::catch_unwind::do_call::he1ae9b58298bf5f6
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x5d37871a3520 - std::panicking::catch_unwind::h60545927488899ea
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x5d37871a3520 - std::panic::catch_unwind::hd58020504305ae1d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5d37871a3520 - std::rt::lang_start_internal::h2ee79d1be614d639
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5d37870f8ed1 - std::rt::lang_start::h89ba20663ebae8ee
[INFO] [stderr]     33:     0x5d3787100d85 - main
[INFO] [stderr]     34:     0x7a67553211ca - <unknown>
[INFO] [stderr]     35:     0x7a675532128b - __libc_start_main
[INFO] [stderr]     36:     0x5d37870f8765 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e86e4b844e33cb407728e24a198904a925b974c153b3ff64f4eccaa5ed31cbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86e4b844e33cb407728e24a198904a925b974c153b3ff64f4eccaa5ed31cbbb", kill_on_drop: false }`
[INFO] [stdout] e86e4b844e33cb407728e24a198904a925b974c153b3ff64f4eccaa5ed31cbbb