[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] checking AlmightyFloppyFish/zircon against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fzircon" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlmightyFloppyFish/zircon on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "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-7-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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15658f05841960a5ced74ab374e948b8b3d3c9002f563162c54ccef8505d69d6
[INFO] running `Command { std: "docker" "start" "-a" "15658f05841960a5ced74ab374e948b8b3d3c9002f563162c54ccef8505d69d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15658f05841960a5ced74ab374e948b8b3d3c9002f563162c54ccef8505d69d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15658f05841960a5ced74ab374e948b8b3d3c9002f563162c54ccef8505d69d6", kill_on_drop: false }`
[INFO] [stdout] 15658f05841960a5ced74ab374e948b8b3d3c9002f563162c54ccef8505d69d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93fd295a1ec12e281cd0c6e04feeaa42d9753a338b4ceea97709b6c20bd57568
[INFO] running `Command { std: "docker" "start" "-a" "93fd295a1ec12e281cd0c6e04feeaa42d9753a338b4ceea97709b6c20bd57568", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking andrew v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking crossbeam v0.5.0
[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:     0x5aa0be8062e2 - std::backtrace_rs::backtrace::libunwind::trace::h76a675e3bed93fe4
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5aa0be8062e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hbe24d41fddbf213a
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5aa0be8062e2 - std::sys::backtrace::_print_fmt::h61bce63f9138e231
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5aa0be8062e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h83064dac7c3d7d4e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5aa0be82a453 - core::fmt::rt::Argument::fmt::h3b5ab7e22cd8a04c
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/fmt/rt.rs:184:76
[INFO] [stderr]      5:     0x5aa0be82a453 - core::fmt::write::ha0b4fd5f79fd7783
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/fmt/mod.rs:1480:21
[INFO] [stderr]      6:     0x5aa0be802fc3 - std::io::default_write_fmt::hbd4baadb0e6e75fe
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5aa0be802fc3 - std::io::Write::write_fmt::hc34e0f4578180512
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x5aa0be806132 - std::sys::backtrace::BacktraceLock::print::hef7ee76eb345d78b
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5aa0be807522 - std::panicking::default_hook::{{closure}}::h4d1fcb690be0806e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x5aa0be807325 - std::panicking::default_hook::h678d64c04011e5a5
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5aa0be807f02 - std::panicking::rust_panic_with_hook::hb834795fb6cb5eb3
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5aa0be807c8a - std::panicking::begin_panic_handler::{{closure}}::h93e25349bcf97d0e
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5aa0be8067e9 - std::sys::backtrace::__rust_end_short_backtrace::hce12881bdea21d65
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5aa0be80791d - __rustc[64dab68cc01ac0bb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5aa0be829380 - core::panicking::panic_fmt::h8f158a07adb5c9bf
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5aa0be7a5868 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h01fe1577ba9e0f0c
[INFO] [stderr]     17:     0x5aa0be7a3715 - core::option::Option<T>::unwrap_or_else::h710dd5c2bf2091c6
[INFO] [stderr]     18:     0x5aa0be7a57ec - build_script_build::cmd_finder::CommandFinder::must_have::hbcfcf58c9d252682
[INFO] [stderr]     19:     0x5aa0be7a5ee1 - build_script_build::main::hb18c603fca3a7339
[INFO] [stderr]     20:     0x5aa0be7a2ec3 - core::ops::function::FnOnce::call_once::h161fd9fdaa691f65
[INFO] [stderr]     21:     0x5aa0be7a2906 - std::sys::backtrace::__rust_begin_short_backtrace::h71c3ac510c9a5254
[INFO] [stderr]     22:     0x5aa0be7a2889 - std::rt::lang_start::{{closure}}::hd8631e7315443d2e
[INFO] [stderr]     23:     0x5aa0be7fecf0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0718dfbaf4dda687
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5aa0be7fecf0 - std::panicking::try::do_call::hac94109376a2feb6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x5aa0be7fecf0 - std::panicking::try::h80ad42a7225a38d6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x5aa0be7fecf0 - std::panic::catch_unwind::h6128c327fb0ebbf6
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5aa0be7fecf0 - std::rt::lang_start_internal::{{closure}}::h49cf5bbb1bc1d295
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/rt.rs:168:24
[INFO] [stderr]     28:     0x5aa0be7fecf0 - std::panicking::try::do_call::hb39c0d6e393b1411
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x5aa0be7fecf0 - std::panicking::try::he79a2dee8af6d87b
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x5aa0be7fecf0 - std::panic::catch_unwind::hb8f4a6fb4188066d
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5aa0be7fecf0 - std::rt::lang_start_internal::ha33f3ff8925b54c0
[INFO] [stderr]                                  at /rustc/5fee451ebd94296ea05214e819c311e164b30af6/library/std/src/rt.rs:164:5
[INFO] [stderr]     32:     0x5aa0be7a2871 - std::rt::lang_start::h686e25cd0567a014
[INFO] [stderr]     33:     0x5aa0be7a68b5 - main
[INFO] [stderr]     34:     0x76918a2eb1ca - <unknown>
[INFO] [stderr]     35:     0x76918a2eb28b - __libc_start_main
[INFO] [stderr]     36:     0x5aa0be7a0425 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "93fd295a1ec12e281cd0c6e04feeaa42d9753a338b4ceea97709b6c20bd57568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fd295a1ec12e281cd0c6e04feeaa42d9753a338b4ceea97709b6c20bd57568", kill_on_drop: false }`
[INFO] [stdout] 93fd295a1ec12e281cd0c6e04feeaa42d9753a338b4ceea97709b6c20bd57568
