[INFO] fetching crate phosphor 0.0.1...
[INFO] testing phosphor-0.0.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate phosphor 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate phosphor 0.0.1
[INFO] finished tweaking crates.io crate phosphor 0.0.1
[INFO] tweaked toml for crates.io crate phosphor 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate phosphor 0.0.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 219 packages to highest compatible versions
[INFO] [stderr]       Adding cgmath v0.17.0 (available: v0.18.0)
[INFO] [stderr]       Adding half v1.8.3 (available: v2.7.1)
[INFO] [stderr]       Adding hashbrown v0.6.3 (available: v0.17.1)
[INFO] [stderr]       Adding image v0.22.5 (available: v0.25.10)
[INFO] [stderr]       Adding imgui v0.2.1 (available: v0.12.0)
[INFO] [stderr]       Adding noise v0.6.0 (available: v0.9.0)
[INFO] [stderr]       Adding parking_lot v0.9.0 (available: v0.12.5)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.3)
[INFO] [stderr]       Adding rerun_except v0.1.2 (available: v1.0.0)
[INFO] [stderr]       Adding rusttype v0.8.3 (available: v0.9.3)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.55)
[INFO] [stderr]       Adding tobj v0.1.12 (available: v4.0.5)
[INFO] [stderr]       Adding toolbelt v0.0.2 (available: v0.0.6)
[INFO] [stderr]       Adding vulkano v0.16.0 (available: v0.35.2)
[INFO] [stderr]       Adding vulkano-shaders v0.16.0 (available: v0.35.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] [stderr]       Adding winit v0.19.5 (available: v0.30.13)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded xalloc v0.2.7
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded line_drawing v0.7.0
[INFO] [stderr]   Downloaded wayland-scanner v0.21.13
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded android_glue v0.2.3
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded core-graphics v0.17.3
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded andrew v0.2.1
[INFO] [stderr]   Downloaded toolbelt v0.0.2
[INFO] [stderr]   Downloaded wayland-sys v0.21.13
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded dlib v0.4.2
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded rerun_except v0.1.2
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded tobj v0.1.12
[INFO] [stderr]   Downloaded nametag v0.0.1
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded hemlock v0.0.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded num-rational v0.1.43
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded wayland-commons v0.21.13
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded core-foundation v0.6.4
[INFO] [stderr]   Downloaded inflate v0.3.4
[INFO] [stderr]   Downloaded xml-rs v0.8.29
[INFO] [stderr]   Downloaded vk-sys v0.5.3
[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded libloading v0.6.7
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded ahash v0.2.19
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded vulkano-shaders v0.16.0
[INFO] [stderr]   Downloaded png v0.15.3
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded wayland-client v0.21.13
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded cocoa v0.18.5
[INFO] [stderr]   Downloaded hashbrown v0.6.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded noise v0.6.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.6
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded wayland-protocols v0.21.13
[INFO] [stderr]   Downloaded image v0.22.5
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded winit v0.19.5
[INFO] [stderr]   Downloaded vulkano v0.16.0
[INFO] [stderr]   Downloaded hashers v1.0.1
[INFO] [stderr]   Downloaded imgui-sys v0.2.0
[INFO] [stderr]   Downloaded imgui v0.2.1
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc
[INFO] running `Command { std: "docker" "start" "25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rand_core v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling xml-rs v0.8.29
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling bstr v1.13.1
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/shaderc-sys-1533f2386338b6b7/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' (1311) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/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:     0x5672034d41f1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5672034e843a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5672034d9d5c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5672034b2816 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5672034cf011 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5672034cf1cb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5672034b28c2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5672034ab589 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5672034b30dd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x5672034e8bac - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x567203417f07 - <build_script_build[1dffa47256706a3a]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     11:     0x567203415590 - <core[df12db4294e9bfd3]::option::Option<std[70759c8f55707aa4]::path::PathBuf>>::unwrap_or_else::<<build_script_build[1dffa47256706a3a]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     12:     0x5672034154c0 - <build_script_build[1dffa47256706a3a]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     13:     0x56720341b90d - build_script_build[1dffa47256706a3a]::main
[INFO] [stderr]     14:     0x56720341e273 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     15:     0x5672034174f6 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     16:     0x5672034180a9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     17:     0x5672034cdf39 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     18:     0x567203416f81 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     19:     0x56720341e345 - main
[INFO] [stderr]     20:     0x7e159bfa2601 - <unknown>
[INFO] [stderr]     21:     0x7e159bfa2718 - __libc_start_main
[INFO] [stderr]     22:     0x5672034146a5 - _start
[INFO] [stderr]     23:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc", kill_on_drop: false }`
[INFO] [stdout] 25778ea548b273fe13912493f002d3753fca93000e2a6dbb7178cdc6dfc6b7bc
