[INFO] fetching crate megafb 0.0.1... [INFO] checking megafb-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate megafb 0.0.1 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate megafb 0.0.1 [INFO] finished tweaking crates.io crate megafb 0.0.1 [INFO] tweaked toml for crates.io crate megafb 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate megafb 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate megafb 0.0.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wayland-sys v0.23.5 [INFO] [stderr] Downloaded wayland-commons v0.23.5 [INFO] [stderr] Downloaded log v0.4.7 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.48 [INFO] [stderr] Downloaded downcast-rs v1.0.4 [INFO] [stderr] Downloaded wayland-scanner v0.23.5 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.48 [INFO] [stderr] Downloaded d3d12 v0.1.0 [INFO] [stderr] Downloaded metal v0.15.0 [INFO] [stderr] Downloaded js-sys v0.3.25 [INFO] [stderr] Downloaded x11 v2.18.1 [INFO] [stderr] Downloaded gfx-backend-metal v0.2.3 [INFO] [stderr] Downloaded bumpalo v2.5.0 [INFO] [stderr] Downloaded wayland-protocols v0.23.5 [INFO] [stderr] Downloaded wasm-bindgen v0.2.48 [INFO] [stderr] Downloaded ash v0.29.0 [INFO] [stderr] Downloaded winit v0.19.1 [INFO] [stderr] Downloaded syn v0.15.40 [INFO] [stderr] Downloaded winit v0.20.0-alpha2 [INFO] [stderr] Downloaded smithay-client-toolkit v0.6.3 [INFO] [stderr] Downloaded backtrace v0.3.33 [INFO] [stderr] Downloaded libc v0.2.60 [INFO] [stderr] Downloaded gfx-hal v0.2.1 [INFO] [stderr] Downloaded cocoa v0.18.4 [INFO] [stderr] Downloaded rusttype v0.7.7 [INFO] [stderr] Downloaded spirv_cross v0.12.1 [INFO] [stderr] Downloaded wayland-client v0.23.5 [INFO] [stderr] Downloaded autocfg v0.1.5 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.48 [INFO] [stderr] Downloaded spirv_cross v0.15.0 [INFO] [stderr] Downloaded shaderc v0.6.0 [INFO] [stderr] Downloaded gfx-backend-dx12 v0.2.1 [INFO] [stderr] Downloaded derivative v1.0.2 [INFO] [stderr] Downloaded stb_truetype v0.2.6 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.48 [INFO] [stderr] Downloaded gfx-backend-vulkan v0.2.3 [INFO] [stderr] Downloaded cmake v0.1.40 [INFO] [stderr] Downloaded dispatch v0.1.4 [INFO] [stderr] Downloaded storage-map v0.1.2 [INFO] [stderr] Downloaded objc v0.2.6 [INFO] [stderr] Downloaded shaderc-sys v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f16d05966e42b133b807ad95309f4f1077e42339d3f5f3f75f59f4e0c615effb [INFO] running `Command { std: "docker" "start" "-a" "f16d05966e42b133b807ad95309f4f1077e42339d3f5f3f75f59f4e0c615effb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f16d05966e42b133b807ad95309f4f1077e42339d3f5f3f75f59f4e0c615effb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f16d05966e42b133b807ad95309f4f1077e42339d3f5f3f75f59f4e0c615effb", kill_on_drop: false }` [INFO] [stdout] f16d05966e42b133b807ad95309f4f1077e42339d3f5f3f75f59f4e0c615effb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c8831b4a9ef9e44c9e49e8c238988f943c5ae296e4eb46cb81592d2867ba86f [INFO] running `Command { std: "docker" "start" "-a" "2c8831b4a9ef9e44c9e49e8c238988f943c5ae296e4eb46cb81592d2867ba86f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling cmake v0.1.40 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking stb_truetype v0.2.6 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling shaderc-sys v0.6.0 [INFO] [stderr] Compiling wayland-scanner v0.23.5 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking wayland-sys v0.23.5 [INFO] [stderr] warning: shaderc-sys@0.6.0: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.6.0: Pre-built library not found. Falling back to from-source build [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.0` [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-caabb215b0847e62/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=Pre-built library not found. Falling back to from-source build [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1140) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.0/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: 0x5cfb530c72f2 - std::backtrace_rs::backtrace::libunwind::trace::h0fb8082ca5562a61 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5cfb530c72f2 - std::backtrace_rs::backtrace::trace_unsynchronized::hfaa258994374a3cd [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5cfb530c72f2 - std::sys::backtrace::_print_fmt::h11496fe34963a885 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5cfb530c72f2 - ::fmt::hff1a9408d012ee89 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5cfb530e902f - core::fmt::rt::Argument::fmt::hf11195b61445f5d1 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5cfb530e902f - core::fmt::write::h2f1fc679f228cc52 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5cfb530b7d53 - std::io::default_write_fmt::hdd5e6d67566e664d [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5cfb530b7d53 - std::io::Write::write_fmt::haa2231cbd9aebf95 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5cfb530c7142 - std::sys::backtrace::BacktraceLock::print::h28bfdbcac6d3828b [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5cfb530b4d9c - std::panicking::default_hook::{{closure}}::h1f968e3a24b0e3b4 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5cfb530b4be3 - std::panicking::default_hook::h43da101644971931 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5cfb530b52da - std::panicking::panic_with_hook::hb4e916c3e65eccec [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5cfb530c6cca - std::panicking::panic_handler::{{closure}}::hbff715d0475cf1bd [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5cfb530c6c29 - std::sys::backtrace::__rust_end_short_backtrace::hd6f43484e45a4955 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5cfb530b577d - __rustc[b29d3319de9a3146]::rust_begin_unwind [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5cfb530ebe30 - core::panicking::panic_fmt::h5f8d281875be5ff1 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5cfb53061eab - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h8e03c5fbee906af3 [INFO] [stderr] 17: 0x5cfb5305e095 - core::option::Option::unwrap_or_else::ha6a1a539ea9cefe1 [INFO] [stderr] 18: 0x5cfb5306181c - build_script_build::cmd_finder::CommandFinder::must_have::hccc824c342225f47 [INFO] [stderr] 19: 0x5cfb53060ae3 - build_script_build::main::h6dbb909c3842b4ee [INFO] [stderr] 20: 0x5cfb5305c5a3 - core::ops::function::FnOnce::call_once::h54793226ec4a1f23 [INFO] [stderr] 21: 0x5cfb5305cf26 - std::sys::backtrace::__rust_begin_short_backtrace::he75fc0172883a8ef [INFO] [stderr] 22: 0x5cfb5305cef9 - std::rt::lang_start::{{closure}}::hba04ccfc874da22a [INFO] [stderr] 23: 0x5cfb530c7900 - core::ops::function::impls:: for &F>::call_once::h32dc2b2f49a48277 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 24: 0x5cfb530c7900 - std::panicking::catch_unwind::do_call::h3353546a38525559 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x5cfb530c7900 - std::panicking::catch_unwind::h57fb70202d1ae368 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x5cfb530c7900 - std::panic::catch_unwind::h4b724a52bb5803b4 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x5cfb530c7900 - std::rt::lang_start_internal::{{closure}}::h3724b3072c80532a [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x5cfb530c7900 - std::panicking::catch_unwind::do_call::h4f6e90f858bd1c3f [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x5cfb530c7900 - std::panicking::catch_unwind::h81c085c0d350991c [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x5cfb530c7900 - std::panic::catch_unwind::h289049af1176d82a [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x5cfb530c7900 - std::rt::lang_start_internal::h3c37ebeb799b11e1 [INFO] [stderr] at /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x5cfb5305cee1 - std::rt::lang_start::h62447d407aaa0546 [INFO] [stderr] 33: 0x5cfb53062585 - main [INFO] [stderr] 34: 0x724ef825b1ca - [INFO] [stderr] 35: 0x724ef825b28b - __libc_start_main [INFO] [stderr] 36: 0x5cfb5305a175 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2c8831b4a9ef9e44c9e49e8c238988f943c5ae296e4eb46cb81592d2867ba86f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c8831b4a9ef9e44c9e49e8c238988f943c5ae296e4eb46cb81592d2867ba86f", kill_on_drop: false }` [INFO] [stdout] 2c8831b4a9ef9e44c9e49e8c238988f943c5ae296e4eb46cb81592d2867ba86f