[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 master#f2c70877a7dbc51cd98e2d5d25209b24d4a586d5 for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fzircon" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlmightyFloppyFish/zircon on toolchain f2c70877a7dbc51cd98e2d5d25209b24d4a586d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vulkano-win v0.11.1
[INFO] [stderr]   Downloaded objc_exception v0.1.1
[INFO] [stderr]   Downloaded crossbeam v0.5.0
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
[INFO] [stderr]   Downloaded half v1.3.0
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded backtrace v0.3.14
[INFO] [stderr]   Downloaded cmake v0.1.35
[INFO] [stderr]   Downloaded vulkano-shaders v0.11.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded metal v0.13.1
[INFO] [stderr]   Downloaded vulkano v0.11.1
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded shaderc v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43e6a90c697a272b9b60b4a35a85329d172bd338c89683748df45f538403144
[INFO] running `Command { std: "docker" "start" "-a" "e43e6a90c697a272b9b60b4a35a85329d172bd338c89683748df45f538403144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43e6a90c697a272b9b60b4a35a85329d172bd338c89683748df45f538403144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43e6a90c697a272b9b60b4a35a85329d172bd338c89683748df45f538403144", kill_on_drop: false }`
[INFO] [stdout] e43e6a90c697a272b9b60b4a35a85329d172bd338c89683748df45f538403144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f2c70877a7dbc51cd98e2d5d25209b24d4a586d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2819b2054f304834cacb7a22904a1d4a3c827c7ceacea413a06120a28de6a245
[INFO] running `Command { std: "docker" "start" "-a" "2819b2054f304834cacb7a22904a1d4a3c827c7ceacea413a06120a28de6a245", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]     Checking vk-sys v0.4.0
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]    Compiling shaderc v0.3.16
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[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-05192e487b24b406/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (251) 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:     0x5e1125562e42 - std[6befdd0ffd1013d7]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e1125562e42 - std[6befdd0ffd1013d7]::backtrace_rs::backtrace::trace_unsynchronized::<std[6befdd0ffd1013d7]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e1125562e42 - std[6befdd0ffd1013d7]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e1125562e42 - <<std[6befdd0ffd1013d7]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[80d175bc8be2affd]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5e11255776d7 - <core[80d175bc8be2affd]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e11255776d7 - core[80d175bc8be2affd]::fmt::write
[INFO] [stderr]      6:     0x5e11255694b6 - std[6befdd0ffd1013d7]::io::default_write_fmt::<std[6befdd0ffd1013d7]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/io/mod.rs:614:11
[INFO] [stderr]      7:     0x5e11255694b6 - <std[6befdd0ffd1013d7]::sys::stdio::unix::Stderr as std[6befdd0ffd1013d7]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/io/mod.rs:1969:13
[INFO] [stderr]      8:     0x5e1125544e4f - <std[6befdd0ffd1013d7]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e1125544e4f - std[6befdd0ffd1013d7]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e112555dc91 - std[6befdd0ffd1013d7]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e112555de4b - std[6befdd0ffd1013d7]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5e1125544f08 - std[6befdd0ffd1013d7]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5e1125539fa9 - std[6befdd0ffd1013d7]::sys::backtrace::__rust_end_short_backtrace::<std[6befdd0ffd1013d7]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5e112554596d - __rustc[d8d64968b6079d54]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5e1125577d1c - core[80d175bc8be2affd]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e11254f35a6 - <build_script_build[54a86008bc770019]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x5e11254f1019 - <core[80d175bc8be2affd]::option::Option<std[6befdd0ffd1013d7]::path::PathBuf>>::unwrap_or_else::<<build_script_build[54a86008bc770019]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x5e11254f0f9c - <build_script_build[54a86008bc770019]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x5e11254f3dba - build_script_build[54a86008bc770019]::main
[INFO] [stderr]     20:     0x5e11254f6553 - <fn() as core[80d175bc8be2affd]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5e11254f2a96 - std[6befdd0ffd1013d7]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5e11254f36b9 - std[6befdd0ffd1013d7]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5e112555ce46 - <&dyn core[80d175bc8be2affd]::ops::function::Fn<(), Output = i32> + core[80d175bc8be2affd]::marker::Sync + core[80d175bc8be2affd]::panic::unwind_safe::RefUnwindSafe as core[80d175bc8be2affd]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5e112555ce46 - std[6befdd0ffd1013d7]::panicking::catch_unwind::do_call::<&dyn core[80d175bc8be2affd]::ops::function::Fn<(), Output = i32> + core[80d175bc8be2affd]::marker::Sync + core[80d175bc8be2affd]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5e112555ce46 - std[6befdd0ffd1013d7]::panicking::catch_unwind::<i32, &dyn core[80d175bc8be2affd]::ops::function::Fn<(), Output = i32> + core[80d175bc8be2affd]::marker::Sync + core[80d175bc8be2affd]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5e112555ce46 - std[6befdd0ffd1013d7]::panic::catch_unwind::<&dyn core[80d175bc8be2affd]::ops::function::Fn<(), Output = i32> + core[80d175bc8be2affd]::marker::Sync + core[80d175bc8be2affd]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5e112555ce46 - std[6befdd0ffd1013d7]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5e112555ce46 - std[6befdd0ffd1013d7]::panicking::catch_unwind::do_call::<std[6befdd0ffd1013d7]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5e112555ce46 - std[6befdd0ffd1013d7]::panicking::catch_unwind::<isize, std[6befdd0ffd1013d7]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5e112555ce46 - std[6befdd0ffd1013d7]::panic::catch_unwind::<std[6befdd0ffd1013d7]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5e112555ce46 - std[6befdd0ffd1013d7]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/f2c70877a7dbc51cd98e2d5d25209b24d4a586d5/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5e11254f2691 - std[6befdd0ffd1013d7]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5e11254f66d5 - main
[INFO] [stderr]     34:     0x773de10761ca - <unknown>
[INFO] [stderr]     35:     0x773de107628b - __libc_start_main
[INFO] [stderr]     36:     0x5e11254f03a5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2819b2054f304834cacb7a22904a1d4a3c827c7ceacea413a06120a28de6a245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2819b2054f304834cacb7a22904a1d4a3c827c7ceacea413a06120a28de6a245", kill_on_drop: false }`
[INFO] [stdout] 2819b2054f304834cacb7a22904a1d4a3c827c7ceacea413a06120a28de6a245
