[INFO] cloning repository https://github.com/brsnb/gfx-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brsnb/gfx-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrsnb%2Fgfx-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrsnb%2Fgfx-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11e13fd8d4a221c7a0f8b3bebdde389ac43b7a65
[INFO] checking brsnb/gfx-test against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrsnb%2Fgfx-test" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/brsnb/gfx-test
[INFO] finished tweaking git repo https://github.com/brsnb/gfx-test
[INFO] tweaked toml for git repo https://github.com/brsnb/gfx-test written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/brsnb/gfx-test on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/brsnb/gfx-test 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" "+95813608313bff49cfc1afc393a946a3c085b772" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded core-graphics-types v0.1.0
[INFO] [stderr]   Downloaded range-alloc v0.1.1
[INFO] [stderr]   Downloaded gfx-auxil v0.5.0
[INFO] [stderr]   Downloaded shaderc v0.6.2
[INFO] [stderr]   Downloaded inplace_it v0.3.2
[INFO] [stderr]   Downloaded storage-map v0.3.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.6.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.0
[INFO] [stderr]   Downloaded d3d12 v0.3.2
[INFO] [stderr]   Downloaded core-foundation v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.1
[INFO] [stderr]   Downloaded gfx-hal v0.6.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.2
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.1
[INFO] [stderr]   Downloaded ash v0.31.0
[INFO] [stderr]   Downloaded spirv_cross v0.20.0
[INFO] [stderr]   Downloaded metal v0.20.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8c3f9018ccf76e925a4a92e9fe4bd48d03a8cda913ce9e414364671f4a86246
[INFO] running `Command { std: "docker" "start" "-a" "c8c3f9018ccf76e925a4a92e9fe4bd48d03a8cda913ce9e414364671f4a86246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c3f9018ccf76e925a4a92e9fe4bd48d03a8cda913ce9e414364671f4a86246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c3f9018ccf76e925a4a92e9fe4bd48d03a8cda913ce9e414364671f4a86246", kill_on_drop: false }`
[INFO] [stdout] c8c3f9018ccf76e925a4a92e9fe4bd48d03a8cda913ce9e414364671f4a86246
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b90526c0f4b5dbb5eb3b1662610b40f0b5d3496385f206ab49580bbb548bb9a
[INFO] running `Command { std: "docker" "start" "-a" "0b90526c0f4b5dbb5eb3b1662610b40f0b5d3496385f206ab49580bbb548bb9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr] warning: shaderc-sys@0.6.2: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.2: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.2`
[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-d89c84fc1fab0468/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] 
[INFO] [stderr]   thread 'main' (523) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.2/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:     0x5663593802b2 - std::backtrace_rs::backtrace::libunwind::trace::hb12915125e6f35e3
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5663593802b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h20f14576647bb586
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5663593802b2 - std::sys::backtrace::_print_fmt::hbdfc98de87a7156c
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5663593802b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h55a31a484bde3063
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5663593901f7 - core::fmt::rt::Argument::fmt::h9e2a4e63f58f11ee
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5663593901f7 - core::fmt::write::h6fcf6df127f9c267
[INFO] [stderr]      6:     0x566359351f66 - std::io::default_write_fmt::h66b8fb5202cff381
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x566359351f66 - std::io::Write::write_fmt::h54493e8c57befd82
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x56635935e7c1 - std::sys::backtrace::BacktraceLock::print::h5592af378ce30c6d
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x56635935e7c1 - std::panicking::default_hook::{{closure}}::ha0fc5927a69790d9
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:293:27
[INFO] [stderr]     10:     0x56635935e5e6 - std::panicking::default_hook::h7fa735bdc234f399
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:320:9
[INFO] [stderr]     11:     0x56635935eccb - std::panicking::panic_with_hook::h3bfece77300bc8bf
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:826:13
[INFO] [stderr]     12:     0x56635935eb48 - std::panicking::panic_handler::{{closure}}::h35645a646d15d789
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:699:13
[INFO] [stderr]     13:     0x56635935c319 - std::sys::backtrace::__rust_end_short_backtrace::h35f9c43cf6f3eadb
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x56635934662d - __rustc[700a306ed8904ac3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:690:5
[INFO] [stderr]     15:     0x56635939388c - core::panicking::panic_fmt::h876ce60a497c8d41
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5663592ffe86 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h323aebccb8ad45d2
[INFO] [stderr]     17:     0x566359304479 - core::option::Option<T>::unwrap_or_else::h03b0c9b544adc1b9
[INFO] [stderr]     18:     0x5663592ffe0c - build_script_build::cmd_finder::CommandFinder::must_have::h490906b6dbd73353
[INFO] [stderr]     19:     0x566359302c82 - build_script_build::main::h873bba0c303d863a
[INFO] [stderr]     20:     0x566359303b23 - core::ops::function::FnOnce::call_once::h3f80b98ee56901da
[INFO] [stderr]     21:     0x5663593037a6 - std::sys::backtrace::__rust_begin_short_backtrace::h197f75d032f1ff30
[INFO] [stderr]     22:     0x566359303729 - std::rt::lang_start::{{closure}}::h0a38cdd9d728bf76
[INFO] [stderr]     23:     0x56635935386a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h414becfcc9404182
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x56635935386a - std::panicking::catch_unwind::do_call::h9bb6575be6a735f3
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:582:40
[INFO] [stderr]     25:     0x56635935386a - std::panicking::catch_unwind::h07768dbd7566881d
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:545:19
[INFO] [stderr]     26:     0x56635935386a - std::panic::catch_unwind::hdce77a7c099c9ac6
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x56635935386a - std::rt::lang_start_internal::{{closure}}::hb3282baceb41a52b
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x56635935386a - std::panicking::catch_unwind::do_call::haa528a08fdc2c00f
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:582:40
[INFO] [stderr]     29:     0x56635935386a - std::panicking::catch_unwind::hf1a03f0967430e0c
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panicking.rs:545:19
[INFO] [stderr]     30:     0x56635935386a - std::panic::catch_unwind::hf5e61045aea65918
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x56635935386a - std::rt::lang_start_internal::ha1bd2e9591127bd5
[INFO] [stderr]                                  at /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x566359303711 - std::rt::lang_start::hfebf7c862a224027
[INFO] [stderr]     33:     0x566359305d65 - main
[INFO] [stderr]     34:     0x7285b0ed91ca - <unknown>
[INFO] [stderr]     35:     0x7285b0ed928b - __libc_start_main
[INFO] [stderr]     36:     0x5663592fef25 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0b90526c0f4b5dbb5eb3b1662610b40f0b5d3496385f206ab49580bbb548bb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b90526c0f4b5dbb5eb3b1662610b40f0b5d3496385f206ab49580bbb548bb9a", kill_on_drop: false }`
[INFO] [stdout] 0b90526c0f4b5dbb5eb3b1662610b40f0b5d3496385f206ab49580bbb548bb9a
