[INFO] cloning repository https://github.com/khskarl/differential-lines [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khskarl/differential-lines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhskarl%2Fdifferential-lines", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhskarl%2Fdifferential-lines'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6bd386654f3a02a6a52a600254a1751f1a95f8c [INFO] checking khskarl/differential-lines against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhskarl%2Fdifferential-lines" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/khskarl/differential-lines on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/khskarl/differential-lines [INFO] finished tweaking git repo https://github.com/khskarl/differential-lines [INFO] tweaked toml for git repo https://github.com/khskarl/differential-lines written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/khskarl/differential-lines 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded conrod_derive v0.65.0 [INFO] [stderr] Downloaded instant v0.1.1 [INFO] [stderr] Downloaded pennereq v0.3.0 [INFO] [stderr] Downloaded piston-viewport v0.5.0 [INFO] [stderr] Downloaded conrod_winit v0.65.0 [INFO] [stderr] Downloaded env_perm v0.1.3 [INFO] [stderr] Downloaded moltenvk_deps v0.1.8 [INFO] [stderr] Downloaded vulkano-win v0.12.0 [INFO] [stderr] Downloaded shaderc v0.5.0 [INFO] [stderr] Downloaded rosc v0.1.6 [INFO] [stderr] Downloaded daggy v0.6.0 [INFO] [stderr] Downloaded vk-sys v0.4.0 [INFO] [stderr] Downloaded conrod_vulkano v0.65.0 [INFO] [stderr] Downloaded half v1.3.0 [INFO] [stderr] Downloaded libloading v0.5.1 [INFO] [stderr] Downloaded crossbeam v0.7.1 [INFO] [stderr] Downloaded metal v0.13.1 [INFO] [stderr] Downloaded pistoncore-input v0.24.0 [INFO] [stderr] Downloaded curl v0.4.22 [INFO] [stderr] Downloaded noise v0.5.1 [INFO] [stderr] Downloaded conrod_core v0.65.0 [INFO] [stderr] Downloaded sample v0.10.0 [INFO] [stderr] Downloaded vulkano v0.12.0 [INFO] [stderr] Downloaded winit v0.19.1 [INFO] [stderr] Downloaded vulkano-shaders v0.12.0 [INFO] [stderr] Downloaded walkdir v2.2.8 [INFO] [stderr] Downloaded nannou v0.9.0 [INFO] [stderr] Downloaded shaderc-sys v0.5.0 [INFO] [stderr] Downloaded curl-sys v0.4.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3146e0ae59151318007ac8c19416a9c0f82133db86824e8f95d482dc6a9c8d4e [INFO] running `Command { std: "docker" "start" "-a" "3146e0ae59151318007ac8c19416a9c0f82133db86824e8f95d482dc6a9c8d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3146e0ae59151318007ac8c19416a9c0f82133db86824e8f95d482dc6a9c8d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3146e0ae59151318007ac8c19416a9c0f82133db86824e8f95d482dc6a9c8d4e", kill_on_drop: false }` [INFO] [stdout] 3146e0ae59151318007ac8c19416a9c0f82133db86824e8f95d482dc6a9c8d4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a196344aab0d135ea838f687d4a36f7f1fef96e48db12ed3bfef18bd5da311eb [INFO] running `Command { std: "docker" "start" "-a" "a196344aab0d135ea838f687d4a36f7f1fef96e48db12ed3bfef18bd5da311eb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/borrow.rs:180:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cmake v0.1.40 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Checking stb_truetype v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Compiling libloading v0.5.1 [INFO] [stderr] Compiling shaderc-sys v0.5.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking walkdir v2.2.8 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling vulkano v0.12.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking piston-float v0.3.0 [INFO] [stderr] Checking rusttype v0.7.7 [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: shaderc-sys@0.5.0: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.5.0: Pre-built library not found. Falling back to from-source build [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.5.0` [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-64ea9b45eccc784f/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] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/shaderc-sys-0.5.0/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: 0x559e700c5415 - std::backtrace_rs::backtrace::libunwind::trace::hb0d415bcff8c04ff [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x559e700c5415 - std::backtrace_rs::backtrace::trace_unsynchronized::hd3beb7af6a65b2fb [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x559e700c5415 - std::sys_common::backtrace::_print_fmt::hb94d89680d7f5d1c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x559e700c5415 - ::fmt::h42d21e2ba62fd274 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x559e700e90eb - core::fmt::rt::Argument::fmt::h8932bbbd2b9c37fe [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x559e700e90eb - core::fmt::write::h672f14b769052340 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x559e700c26ef - std::io::Write::write_fmt::h4d626b1d019eca5c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/io/mod.rs:1843:15 [INFO] [stderr] 7: 0x559e700c51ee - std::sys_common::backtrace::_print::h745e446c2e03c5ca [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x559e700c51ee - std::sys_common::backtrace::print::hf0f0fa4fb70dca2c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x559e700c6879 - std::panicking::default_hook::{{closure}}::h607769b198639ae5 [INFO] [stderr] 10: 0x559e700c65e3 - std::panicking::default_hook::h1e5811a5a9298ba1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x559e700c6d14 - std::panicking::rust_panic_with_hook::hd0c5dc40875c06ef [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:789:13 [INFO] [stderr] 12: 0x559e700c6bf6 - std::panicking::begin_panic_handler::{{closure}}::hde3f6d4bced89f43 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:658:13 [INFO] [stderr] 13: 0x559e700c58d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h88e846e54ebde2e3 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x559e700c6927 - rust_begin_unwind [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:646:5 [INFO] [stderr] 15: 0x559e7005c096 - core::panicking::panic_fmt::h5ffad3fb9ad671e0 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x559e70060486 - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hdf35e7432d3294ec [INFO] [stderr] 17: 0x559e7005db13 - core::option::Option::unwrap_or_else::hfda40e3df701ca89 [INFO] [stderr] 18: 0x559e700603e8 - build_script_build::cmd_finder::CommandFinder::must_have::ha42a753a5d580e8d [INFO] [stderr] 19: 0x559e70062720 - build_script_build::main::h13b73d0f1d045275 [INFO] [stderr] 20: 0x559e7005d3a3 - core::ops::function::FnOnce::call_once::h1a3bc86fe8ba557e [INFO] [stderr] 21: 0x559e7005c796 - std::sys_common::backtrace::__rust_begin_short_backtrace::he9614b801aa39183 [INFO] [stderr] 22: 0x559e7005ce39 - std::rt::lang_start::{{closure}}::h833780ea757e9df5 [INFO] [stderr] 23: 0x559e700bea71 - core::ops::function::impls:: for &F>::call_once::hf24a18568366726b [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 24: 0x559e700bea71 - std::panicking::try::do_call::hfe98fb6a5c700fa1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 25: 0x559e700bea71 - std::panicking::try::h887aaa509ba266ad [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 26: 0x559e700bea71 - std::panic::catch_unwind::hdb24f00ea5a307a8 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 27: 0x559e700bea71 - std::rt::lang_start_internal::{{closure}}::hacbffc0b2f55d28c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x559e700bea71 - std::panicking::try::do_call::hc810c59098be8c17 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 29: 0x559e700bea71 - std::panicking::try::h0d072b82be5f3f03 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 30: 0x559e700bea71 - std::panic::catch_unwind::hb0e7e36556665803 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 31: 0x559e700bea71 - std::rt::lang_start_internal::h4207974af80a0725 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x559e7005ce17 - std::rt::lang_start::h9f550b90f63d65c0 [INFO] [stderr] 33: 0x559e700633e5 - main [INFO] [stderr] 34: 0x7f3e144eed90 - [INFO] [stderr] 35: 0x7f3e144eee40 - __libc_start_main [INFO] [stderr] 36: 0x559e7005c6c5 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "a196344aab0d135ea838f687d4a36f7f1fef96e48db12ed3bfef18bd5da311eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a196344aab0d135ea838f687d4a36f7f1fef96e48db12ed3bfef18bd5da311eb", kill_on_drop: false }` [INFO] [stdout] a196344aab0d135ea838f687d4a36f7f1fef96e48db12ed3bfef18bd5da311eb