[INFO] cloning repository https://github.com/HLennart/grounding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HLennart/grounding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHLennart%2Fgrounding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHLennart%2Fgrounding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03373143fd779be8372899e826d43d83052997aa
[INFO] building HLennart/grounding against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHLennart%2Fgrounding" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HLennart/grounding on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HLennart/grounding
[INFO] finished tweaking git repo https://github.com/HLennart/grounding
[INFO] tweaked toml for git repo https://github.com/HLennart/grounding written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HLennart/grounding 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" "+334963c956d25708feab489a3816ae63f639355d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61eee55aa65860fa0fa7aff39b536dd6f09f565805e52d9d191be2ddef28147e
[INFO] running `Command { std: "docker" "start" "-a" "61eee55aa65860fa0fa7aff39b536dd6f09f565805e52d9d191be2ddef28147e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61eee55aa65860fa0fa7aff39b536dd6f09f565805e52d9d191be2ddef28147e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61eee55aa65860fa0fa7aff39b536dd6f09f565805e52d9d191be2ddef28147e", kill_on_drop: false }`
[INFO] [stdout] 61eee55aa65860fa0fa7aff39b536dd6f09f565805e52d9d191be2ddef28147e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed4c73cc27b21d0479a2a573fcc4bc7ec54216566e7fbfcf45d9264a8dbc309e
[INFO] running `Command { std: "docker" "start" "-a" "ed4c73cc27b21d0479a2a573fcc4bc7ec54216566e7fbfcf45d9264a8dbc309e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling wayland-client v0.28.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.3
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling inplace_it v0.3.2
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling wgpu-types v0.6.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling tokio v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling gfx-hal v0.6.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling shaderc-sys v0.7.0
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr] warning: shaderc-sys@0.7.0: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc-sys@0.7.0: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.7.0`
[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-11e59411de95e0ed/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr]   cargo:warning=shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.7.0/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:     0x558c6afbaa8a - std::backtrace_rs::backtrace::libunwind::trace::hb592e8fae072c7e3
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x558c6afbaa8a - std::backtrace_rs::backtrace::trace_unsynchronized::h8927fd6287254ed0
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558c6afbaa8a - std::sys::backtrace::_print_fmt::hc83c64bb828feee6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x558c6afbaa8a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h57c3f6132393e01d
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x558c6afdf243 - core::fmt::rt::Argument::fmt::h4939d14a683ecc7e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x558c6afdf243 - core::fmt::write::h5279a33f365588a6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/mod.rs:1440:21
[INFO] [stderr]      6:     0x558c6afb6f73 - std::io::Write::write_fmt::h439bcb4e9cbc1e1e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x558c6afba8d2 - std::sys::backtrace::BacktraceLock::print::h08f61ba9b844b4ac
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x558c6afbbb70 - std::panicking::default_hook::{{closure}}::ha7d66a7a8cf0304f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x558c6afbb950 - std::panicking::default_hook::h130dd4cc4e018e28
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:322:9
[INFO] [stderr]     10:     0x558c6afbc352 - std::panicking::rust_panic_with_hook::h429a5d73cf660a69
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:828:13
[INFO] [stderr]     11:     0x558c6afbc0da - std::panicking::begin_panic_handler::{{closure}}::h8ee26903b8ef2276
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:701:13
[INFO] [stderr]     12:     0x558c6afbaf99 - std::sys::backtrace::__rust_end_short_backtrace::hc830b1279d63031c
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x558c6afbbd6d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:692:5
[INFO] [stderr]     14:     0x558c6afde0b0 - core::panicking::panic_fmt::hd90af040c9b3a7a3
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x558c6af40f4c - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hcb481ea785587054
[INFO] [stderr]     16:     0x558c6af3e2c3 - core::option::Option<T>::unwrap_or_else::h0c7fb03b1cfd215f
[INFO] [stderr]     17:     0x558c6af40ecc - build_script_build::cmd_finder::CommandFinder::must_have::h073548ca869d28b5
[INFO] [stderr]     18:     0x558c6af4431b - build_script_build::main::h2cf2784f9a24d34d
[INFO] [stderr]     19:     0x558c6af3d953 - core::ops::function::FnOnce::call_once::hcb402aa87a3becc6
[INFO] [stderr]     20:     0x558c6af3cf46 - std::sys::backtrace::__rust_begin_short_backtrace::hbcbe001efe69cf59
[INFO] [stderr]     21:     0x558c6af3cec9 - std::rt::lang_start::{{closure}}::h654d219685069b7c
[INFO] [stderr]     22:     0x558c6afb2717 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h608e79d482179a73
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x558c6afb2717 - std::panicking::try::do_call::h68af151b24870582
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     24:     0x558c6afb2717 - std::panicking::try::ha3328a6a71abe6a1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     25:     0x558c6afb2717 - std::panic::catch_unwind::hab25edf77eece0af
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x558c6afb2717 - std::rt::lang_start_internal::{{closure}}::h675ae012d3c7e5f1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:48
[INFO] [stderr]     27:     0x558c6afb2717 - std::panicking::try::do_call::h959dd56984007ef9
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     28:     0x558c6afb2717 - std::panicking::try::h680ac32c918982f6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     29:     0x558c6afb2717 - std::panic::catch_unwind::hdbe022418e45492f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x558c6afb2717 - std::rt::lang_start_internal::h6fa91857d7bd0472
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:20
[INFO] [stderr]     31:     0x558c6af3cea7 - std::rt::lang_start::hf69442bc0cf6d181
[INFO] [stderr]     32:     0x558c6af44d65 - main
[INFO] [stderr]     33:     0x764601395d90 - <unknown>
[INFO] [stderr]     34:     0x764601395e40 - __libc_start_main
[INFO] [stderr]     35:     0x558c6af3c515 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ed4c73cc27b21d0479a2a573fcc4bc7ec54216566e7fbfcf45d9264a8dbc309e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4c73cc27b21d0479a2a573fcc4bc7ec54216566e7fbfcf45d9264a8dbc309e", kill_on_drop: false }`
[INFO] [stdout] ed4c73cc27b21d0479a2a573fcc4bc7ec54216566e7fbfcf45d9264a8dbc309e
