[INFO] cloning repository https://github.com/AlmightyFloppyFish/zircon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlmightyFloppyFish/zircon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fzircon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fzircon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2db5924b284c8c4792d242883bc88ca7acee8cd2
[INFO] building AlmightyFloppyFish/zircon against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fzircon" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlmightyFloppyFish/zircon 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/AlmightyFloppyFish/zircon
[INFO] finished tweaking git repo https://github.com/AlmightyFloppyFish/zircon
[INFO] tweaked toml for git repo https://github.com/AlmightyFloppyFish/zircon written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AlmightyFloppyFish/zircon 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 44039c38d11dd5828edf118a977a9b24b2e900e579baac908c3c7f92bde40bc6
[INFO] running `Command { std: "docker" "start" "-a" "44039c38d11dd5828edf118a977a9b24b2e900e579baac908c3c7f92bde40bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44039c38d11dd5828edf118a977a9b24b2e900e579baac908c3c7f92bde40bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44039c38d11dd5828edf118a977a9b24b2e900e579baac908c3c7f92bde40bc6", kill_on_drop: false }`
[INFO] [stdout] 44039c38d11dd5828edf118a977a9b24b2e900e579baac908c3c7f92bde40bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5414469f1b19f1eb31098950468095df6977f4cdb7be851248ac4271e92b1149
[INFO] running `Command { std: "docker" "start" "-a" "5414469f1b19f1eb31098950468095df6977f4cdb7be851248ac4271e92b1149", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.11
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr] error: failed to run custom build command for `shaderc v0.3.16`
[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-ccfc59ae8b6b050f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-0.3.16/build/cmd_finder.rs:45:13:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   couldn't find required command: "python"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ed95d1fb22a - 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:     0x5ed95d1fb22a - 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:     0x5ed95d1fb22a - std::sys::backtrace::_print_fmt::hc83c64bb828feee6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5ed95d1fb22a - <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:     0x5ed95d21f353 - core::fmt::rt::Argument::fmt::h4939d14a683ecc7e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5ed95d21f353 - core::fmt::write::h5279a33f365588a6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/mod.rs:1440:21
[INFO] [stderr]      6:     0x5ed95d1f7833 - std::io::Write::write_fmt::h439bcb4e9cbc1e1e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x5ed95d1fb072 - std::sys::backtrace::BacktraceLock::print::h08f61ba9b844b4ac
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5ed95d1fc310 - std::panicking::default_hook::{{closure}}::ha7d66a7a8cf0304f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5ed95d1fc0f0 - std::panicking::default_hook::h130dd4cc4e018e28
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:322:9
[INFO] [stderr]     10:     0x5ed95d1fcab2 - std::panicking::rust_panic_with_hook::h429a5d73cf660a69
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:828:13
[INFO] [stderr]     11:     0x5ed95d1fc83a - std::panicking::begin_panic_handler::{{closure}}::h8ee26903b8ef2276
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:701:13
[INFO] [stderr]     12:     0x5ed95d1fb739 - std::sys::backtrace::__rust_end_short_backtrace::hc830b1279d63031c
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x5ed95d1fc4cd - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:692:5
[INFO] [stderr]     14:     0x5ed95d21e1c0 - core::panicking::panic_fmt::hd90af040c9b3a7a3
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x5ed95d19962c - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hf530c0b98f3d0cec
[INFO] [stderr]     16:     0x5ed95d197353 - core::option::Option<T>::unwrap_or_else::h7fbc1c29f80eec06
[INFO] [stderr]     17:     0x5ed95d1995ac - build_script_build::cmd_finder::CommandFinder::must_have::hccf6be61a654a2cf
[INFO] [stderr]     18:     0x5ed95d199ca1 - build_script_build::main::hb9f9c691f8fc2fd3
[INFO] [stderr]     19:     0x5ed95d196b83 - core::ops::function::FnOnce::call_once::h2f88a3b4c7bc24f8
[INFO] [stderr]     20:     0x5ed95d196516 - std::sys::backtrace::__rust_begin_short_backtrace::h1201e37988cf5cf9
[INFO] [stderr]     21:     0x5ed95d196499 - std::rt::lang_start::{{closure}}::h32117b3571b22c29
[INFO] [stderr]     22:     0x5ed95d1f3c27 - 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:     0x5ed95d1f3c27 - std::panicking::try::do_call::h68af151b24870582
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     24:     0x5ed95d1f3c27 - std::panicking::try::ha3328a6a71abe6a1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     25:     0x5ed95d1f3c27 - std::panic::catch_unwind::hab25edf77eece0af
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x5ed95d1f3c27 - std::rt::lang_start_internal::{{closure}}::h675ae012d3c7e5f1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:48
[INFO] [stderr]     27:     0x5ed95d1f3c27 - std::panicking::try::do_call::h959dd56984007ef9
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     28:     0x5ed95d1f3c27 - std::panicking::try::h680ac32c918982f6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     29:     0x5ed95d1f3c27 - std::panic::catch_unwind::hdbe022418e45492f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x5ed95d1f3c27 - std::rt::lang_start_internal::h6fa91857d7bd0472
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:20
[INFO] [stderr]     31:     0x5ed95d196477 - std::rt::lang_start::h24c375473e55e31b
[INFO] [stderr]     32:     0x5ed95d19a685 - main
[INFO] [stderr]     33:     0x7a435aeb4d90 - <unknown>
[INFO] [stderr]     34:     0x7a435aeb4e40 - __libc_start_main
[INFO] [stderr]     35:     0x5ed95d193f85 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5414469f1b19f1eb31098950468095df6977f4cdb7be851248ac4271e92b1149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5414469f1b19f1eb31098950468095df6977f4cdb7be851248ac4271e92b1149", kill_on_drop: false }`
[INFO] [stdout] 5414469f1b19f1eb31098950468095df6977f4cdb7be851248ac4271e92b1149
