[INFO] cloning repository https://github.com/rmyhovych/shader-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmyhovych/shader-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmyhovych%2Fshader-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmyhovych%2Fshader-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5aad2180f846740abf44bbae52eacd416f51d2ab
[INFO] checking rmyhovych/shader-rust against master#fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6 for pr-120361
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmyhovych%2Fshader-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmyhovych/shader-rust on toolchain fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmyhovych/shader-rust
[INFO] finished tweaking git repo https://github.com/rmyhovych/shader-rust
[INFO] tweaked toml for git repo https://github.com/rmyhovych/shader-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rmyhovych/shader-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fb4bca04fa1bde2f7db1b31a59e066f7bebd7fc6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rmyhovych/shader-rust against try#e35e259478581c01033b8da67214c0d376859a32 for pr-120361
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmyhovych%2Fshader-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmyhovych/shader-rust on toolchain e35e259478581c01033b8da67214c0d376859a32
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmyhovych/shader-rust
[INFO] finished tweaking git repo https://github.com/rmyhovych/shader-rust
[INFO] tweaked toml for git repo https://github.com/rmyhovych/shader-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rmyhovych/shader-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba6bbf503ebba1217081fa2dbb45319052b142d5ac2e2dea1e14995c91c17d01
[INFO] running `Command { std: "docker" "start" "-a" "ba6bbf503ebba1217081fa2dbb45319052b142d5ac2e2dea1e14995c91c17d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6bbf503ebba1217081fa2dbb45319052b142d5ac2e2dea1e14995c91c17d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6bbf503ebba1217081fa2dbb45319052b142d5ac2e2dea1e14995c91c17d01", kill_on_drop: false }`
[INFO] [stdout] ba6bbf503ebba1217081fa2dbb45319052b142d5ac2e2dea1e14995c91c17d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e35e259478581c01033b8da67214c0d376859a32" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd2ab8fe6586cd9cafb6a429745c7620518895144ee43f3b956539436ec7797
[INFO] running `Command { std: "docker" "start" "-a" "4dd2ab8fe6586cd9cafb6a429745c7620518895144ee43f3b956539436ec7797", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cmake v0.1.44
[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-8d6234ed2a505c82/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:     0x5581a8a49106 - std::backtrace_rs::backtrace::libunwind::trace::he4bef2321cdee530
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x5581a8a49106 - std::backtrace_rs::backtrace::trace_unsynchronized::hfcbd71fdec2d30b5
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5581a8a49106 - std::sys_common::backtrace::_print_fmt::h5d73f7d868f27e28
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5581a8a49106 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb19509818410bfb8
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5581a8a6dd40 - core::fmt::rt::Argument::fmt::h1ea15770b7b8e7eb
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x5581a8a6dd40 - core::fmt::write::hbb2297c3fa2c2d2a
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x5581a8a4645f - std::io::Write::write_fmt::hafcf0b87434bf930
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x5581a8a48ee4 - std::sys_common::backtrace::_print::h6e5f27981d56f921
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5581a8a48ee4 - std::sys_common::backtrace::print::h59364d0aa56bba5d
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5581a8a4a657 - std::panicking::default_hook::{{closure}}::heb7a5d030e4a1df7
[INFO] [stderr]     10:     0x5581a8a4a3b9 - std::panicking::default_hook::h7b8f986523c15cfa
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x5581a8a4aae8 - std::panicking::rust_panic_with_hook::h2c2a73146e08df62
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x5581a8a4a9c2 - std::panicking::begin_panic_handler::{{closure}}::h4592db930d597c73
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x5581a8a49606 - std::sys_common::backtrace::__rust_end_short_backtrace::h278f3afb7fd06da3
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x5581a8a4a714 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x5581a89d65e5 - core::panicking::panic_fmt::h96e4a24d61442719
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x5581a89db6d6 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hfc329005edb8414b
[INFO] [stderr]     17:     0x5581a89d865f - core::option::Option<T>::unwrap_or_else::he16a4f2d774a527d
[INFO] [stderr]     18:     0x5581a89db638 - build_script_build::cmd_finder::CommandFinder::must_have::h46c786e71b3d7aa2
[INFO] [stderr]     19:     0x5581a89df6b5 - build_script_build::main::h05582e58b115c70e
[INFO] [stderr]     20:     0x5581a89d7ea3 - core::ops::function::FnOnce::call_once::h50c20a91ffbacec6
[INFO] [stderr]     21:     0x5581a89d7046 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd2e6c2af6de4dd06
[INFO] [stderr]     22:     0x5581a89d76c9 - std::rt::lang_start::{{closure}}::h815b7849fadc757b
[INFO] [stderr]     23:     0x5581a8a42361 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcf0fffbbf6263226
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5581a8a42361 - std::panicking::try::do_call::h64ae9c322ae8699b
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x5581a8a42361 - std::panicking::try::h5a0f8a1c9d0202b3
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x5581a8a42361 - std::panic::catch_unwind::h150f4c2ae9c5196d
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x5581a8a42361 - std::rt::lang_start_internal::{{closure}}::hdd982b41eb5afe2a
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x5581a8a42361 - std::panicking::try::do_call::h710828dd9b51bd68
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x5581a8a42361 - std::panicking::try::ha09b47a2687e45b6
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x5581a8a42361 - std::panic::catch_unwind::h80fecc8f1e8bfffd
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x5581a8a42361 - std::rt::lang_start_internal::h8613e7c6b8970f02
[INFO] [stderr]                                  at /rustc/e35e259478581c01033b8da67214c0d376859a32/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x5581a89d76a7 - std::rt::lang_start::h69799de3bacf843a
[INFO] [stderr]     33:     0x5581a89e00c5 - main
[INFO] [stderr]     34:     0x7f0d15fa7d90 - <unknown>
[INFO] [stderr]     35:     0x7f0d15fa7e40 - __libc_start_main
[INFO] [stderr]     36:     0x5581a89d6d15 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4dd2ab8fe6586cd9cafb6a429745c7620518895144ee43f3b956539436ec7797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd2ab8fe6586cd9cafb6a429745c7620518895144ee43f3b956539436ec7797", kill_on_drop: false }`
[INFO] [stdout] 4dd2ab8fe6586cd9cafb6a429745c7620518895144ee43f3b956539436ec7797