[INFO] fetching crate boom_build 0.1.0...
[INFO] checking boom_build-0.1.0 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate boom_build 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate boom_build 0.1.0 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding shaderc v0.6.3 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d9c149f7c0a3a201aba4fc24af3044a9bf309885e7cd7d02b6ace51f3edf3cd
[INFO] running `Command { std: "docker" "start" "-a" "1d9c149f7c0a3a201aba4fc24af3044a9bf309885e7cd7d02b6ace51f3edf3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9c149f7c0a3a201aba4fc24af3044a9bf309885e7cd7d02b6ace51f3edf3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9c149f7c0a3a201aba4fc24af3044a9bf309885e7cd7d02b6ace51f3edf3cd", kill_on_drop: false }`
[INFO] [stdout] 1d9c149f7c0a3a201aba4fc24af3044a9bf309885e7cd7d02b6ace51f3edf3cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5e64e04d05c67e7d48153e4f7a56061d1094997598ebdcac4b2da25d989031
[INFO] running `Command { std: "docker" "start" "-a" "3e5e64e04d05c67e7d48153e4f7a56061d1094997598ebdcac4b2da25d989031", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[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] 
[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-71e78c5685d2c63f/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]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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:     0x631e1adf679a - std::backtrace_rs::backtrace::libunwind::trace::hc8717ea3ff88efc7
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x631e1adf679a - std::backtrace_rs::backtrace::trace_unsynchronized::h4cb12a240f50bc9d
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x631e1adf679a - std::sys::backtrace::_print_fmt::hfb8f4575e12be528
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x631e1adf679a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h7767b02c5430d02b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x631e1ae19b13 - core::fmt::rt::Argument::fmt::h8658c1a0a94d2676
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x631e1ae19b13 - core::fmt::write::hd9cf23088539bf85
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x631e1adf2e23 - std::io::Write::write_fmt::h516df85bf7181425
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x631e1adf65e2 - std::sys::backtrace::BacktraceLock::print::h5907c3622e037863
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x631e1adf77dc - std::panicking::default_hook::{{closure}}::h13cd352e0714d74b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x631e1adf7622 - std::panicking::default_hook::ha087b22e6b135389
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x631e1adf7dd7 - std::panicking::rust_panic_with_hook::ha12d21b564771d78
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x631e1adf7c6a - std::panicking::begin_panic_handler::{{closure}}::h29f91f01f78dfedc
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x631e1adf6c79 - std::sys::backtrace::__rust_end_short_backtrace::h1e39edc6648a642b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x631e1adf78fc - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x631e1ae188c0 - core::panicking::panic_fmt::hea12f2402e677eaa
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x631e1ad60073 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h54d3b53459e194bd
[INFO] [stderr]     16:     0x631e1ad5d523 - core::option::Option<T>::unwrap_or_else::h2e0fa68cace68ef2
[INFO] [stderr]     17:     0x631e1ad5ffdc - build_script_build::cmd_finder::CommandFinder::must_have::h2f0414a6f8bc72e8
[INFO] [stderr]     18:     0x631e1ad63d68 - build_script_build::main::h4eec44749ea9732d
[INFO] [stderr]     19:     0x631e1ad5c963 - core::ops::function::FnOnce::call_once::h179cb8d4730f0ce1
[INFO] [stderr]     20:     0x631e1ad5c026 - std::sys::backtrace::__rust_begin_short_backtrace::heaa5c6423804f377
[INFO] [stderr]     21:     0x631e1ad5bf49 - std::rt::lang_start::{{closure}}::hd99ec3413e9dd717
[INFO] [stderr]     22:     0x631e1adef267 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdcc69c5250d896c3
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x631e1adef267 - std::panicking::try::do_call::h8e74087e18c529fb
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:557:40
[INFO] [stderr]     24:     0x631e1adef267 - std::panicking::try::hafe5958fa1de7ce5
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:520:19
[INFO] [stderr]     25:     0x631e1adef267 - std::panic::catch_unwind::he7dd6e3079677b88
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x631e1adef267 - std::rt::lang_start_internal::{{closure}}::h3deb900feda3337f
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/rt.rs:174:48
[INFO] [stderr]     27:     0x631e1adef267 - std::panicking::try::do_call::h320a9b5b747cda95
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:557:40
[INFO] [stderr]     28:     0x631e1adef267 - std::panicking::try::h91bf02fd4fee4183
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:520:19
[INFO] [stderr]     29:     0x631e1adef267 - std::panic::catch_unwind::h19dd28683f4d8ff7
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x631e1adef267 - std::rt::lang_start_internal::h02315d8cca736b32
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/rt.rs:174:20
[INFO] [stderr]     31:     0x631e1ad5bf27 - std::rt::lang_start::hc12b99cc2d537f42
[INFO] [stderr]     32:     0x631e1ad64765 - main
[INFO] [stderr]     33:     0x7772b22f1d90 - <unknown>
[INFO] [stderr]     34:     0x7772b22f1e40 - __libc_start_main
[INFO] [stderr]     35:     0x631e1ad5b495 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3e5e64e04d05c67e7d48153e4f7a56061d1094997598ebdcac4b2da25d989031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5e64e04d05c67e7d48153e4f7a56061d1094997598ebdcac4b2da25d989031", kill_on_drop: false }`
[INFO] [stdout] 3e5e64e04d05c67e7d48153e4f7a56061d1094997598ebdcac4b2da25d989031
