[INFO] fetching crate boom_build 0.1.0...
[INFO] checking boom_build-0.1.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate boom_build 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate boom_build 0.1.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "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] [stderr]       Adding shaderc-sys 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" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a95c52fc6894f73f00ec6ed55308bed6e28a70fb5b0a553f14beb755923be813
[INFO] running `Command { std: "docker" "start" "-a" "a95c52fc6894f73f00ec6ed55308bed6e28a70fb5b0a553f14beb755923be813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a95c52fc6894f73f00ec6ed55308bed6e28a70fb5b0a553f14beb755923be813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95c52fc6894f73f00ec6ed55308bed6e28a70fb5b0a553f14beb755923be813", kill_on_drop: false }`
[INFO] [stdout] a95c52fc6894f73f00ec6ed55308bed6e28a70fb5b0a553f14beb755923be813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b2b0442103c188855185fe127dd5f0d8057188fe69029dda7753dc1daa5fa6
[INFO] running `Command { std: "docker" "start" "-a" "49b2b0442103c188855185fe127dd5f0d8057188fe69029dda7753dc1daa5fa6", kill_on_drop: false }`
[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-8475cc72aa684367/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:     0x5dde5e35e18a - std::backtrace_rs::backtrace::libunwind::trace::h7d463d46f41c1625
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5dde5e35e18a - std::backtrace_rs::backtrace::trace_unsynchronized::h476f8f3b73852bd8
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5dde5e35e18a - std::sys::backtrace::_print_fmt::h1442fc2d80f84a69
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5dde5e35e18a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hfeba7cbf44c2b035
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5dde5e380d6b - core::fmt::rt::Argument::fmt::ha5da46916c25e7eb
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5dde5e380d6b - core::fmt::write::hcf1a9b5a168bab42
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/fmt/mod.rs:1186:21
[INFO] [stderr]      6:     0x5dde5e35a7b3 - std::io::Write::write_fmt::h343cbf8f0f760140
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]      7:     0x5dde5e35dfd2 - std::sys::backtrace::BacktraceLock::print::h0ae6c23bbfb5f51d
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5dde5e35f4b7 - std::panicking::default_hook::{{closure}}::h8b07c33038b0c409
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5dde5e35f2e6 - std::panicking::default_hook::hb2958c2545ef77af
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5dde5e35fab7 - std::panicking::rust_panic_with_hook::h7dbaabf3e609e10d
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5dde5e35f957 - std::panicking::begin_panic_handler::{{closure}}::h1b159749db0a4fbc
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5dde5e35e669 - std::sys::backtrace::__rust_end_short_backtrace::hd4f2aecc8171f6c9
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5dde5e35f5e4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5dde5e37fb33 - core::panicking::panic_fmt::hbd7893aa48b90018
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x5dde5e2c8a63 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h06afdca2699e316b
[INFO] [stderr]     16:     0x5dde5e2c5d93 - core::option::Option<T>::unwrap_or_else::h299566a73055132e
[INFO] [stderr]     17:     0x5dde5e2c89cc - build_script_build::cmd_finder::CommandFinder::must_have::hc95a45b3b7232c1e
[INFO] [stderr]     18:     0x5dde5e2cc758 - build_script_build::main::h435fc6870a777da9
[INFO] [stderr]     19:     0x5dde5e2c51c3 - core::ops::function::FnOnce::call_once::h164436e8a5382480
[INFO] [stderr]     20:     0x5dde5e2c4a26 - std::sys::backtrace::__rust_begin_short_backtrace::hc60c1ae37d843aef
[INFO] [stderr]     21:     0x5dde5e2c4949 - std::rt::lang_start::{{closure}}::hf71e66448690cf42
[INFO] [stderr]     22:     0x5dde5e356d20 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfad295795d7a894f
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x5dde5e356d20 - std::panicking::try::do_call::hc9dff1cc4e54de5a
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     24:     0x5dde5e356d20 - std::panicking::try::h812dea15f7b65398
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     25:     0x5dde5e356d20 - std::panic::catch_unwind::h2981155ef2c37051
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panic.rs:348:14
[INFO] [stderr]     26:     0x5dde5e356d20 - std::rt::lang_start_internal::{{closure}}::h4314f9f12a96aa2f
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/rt.rs:143:48
[INFO] [stderr]     27:     0x5dde5e356d20 - std::panicking::try::do_call::ha990fc313fde27df
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     28:     0x5dde5e356d20 - std::panicking::try::he56b3ad7c18dbde8
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     29:     0x5dde5e356d20 - std::panic::catch_unwind::hd440ffabd1849607
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panic.rs:348:14
[INFO] [stderr]     30:     0x5dde5e356d20 - std::rt::lang_start_internal::h4f26667a84827d07
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/rt.rs:143:20
[INFO] [stderr]     31:     0x5dde5e2c4927 - std::rt::lang_start::h7fca56947b32e9ff
[INFO] [stderr]     32:     0x5dde5e2cd155 - main
[INFO] [stderr]     33:     0x7a352f61ed90 - <unknown>
[INFO] [stderr]     34:     0x7a352f61ee40 - __libc_start_main
[INFO] [stderr]     35:     0x5dde5e2c3d05 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "49b2b0442103c188855185fe127dd5f0d8057188fe69029dda7753dc1daa5fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b2b0442103c188855185fe127dd5f0d8057188fe69029dda7753dc1daa5fa6", kill_on_drop: false }`
[INFO] [stdout] 49b2b0442103c188855185fe127dd5f0d8057188fe69029dda7753dc1daa5fa6
