[INFO] cloning repository https://github.com/StephenCathcart/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StephenCathcart/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenCathcart%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenCathcart%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e58a791dd100dd1555e353ad2c615da6bc9498e4 [INFO] testing StephenCathcart/rust-practice against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenCathcart%2Frust-practice" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/StephenCathcart/rust-practice on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/StephenCathcart/rust-practice [INFO] finished tweaking git repo https://github.com/StephenCathcart/rust-practice [INFO] tweaked toml for git repo https://github.com/StephenCathcart/rust-practice written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/StephenCathcart/rust-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 61dc40aa3b12ce0ba88b9fe0dc8b80d26bbede7a9b4add848d8536fe07d23e20 [INFO] running `Command { std: "docker" "start" "-a" "61dc40aa3b12ce0ba88b9fe0dc8b80d26bbede7a9b4add848d8536fe07d23e20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61dc40aa3b12ce0ba88b9fe0dc8b80d26bbede7a9b4add848d8536fe07d23e20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61dc40aa3b12ce0ba88b9fe0dc8b80d26bbede7a9b4add848d8536fe07d23e20", kill_on_drop: false }` [INFO] [stdout] 61dc40aa3b12ce0ba88b9fe0dc8b80d26bbede7a9b4add848d8536fe07d23e20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 60aad74bb0c0d12a33fc694e22832ea9e9af0bccbf743c960d97b56569146c53 [INFO] running `Command { std: "docker" "start" "-a" "60aad74bb0c0d12a33fc694e22832ea9e9af0bccbf743c960d97b56569146c53", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling rayon-core v1.8.0 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling libloading v0.6.3 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling core-foundation-sys v0.6.2 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling block v0.1.6 [INFO] [stderr] Compiling gfx-backend-metal v0.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling range-alloc v0.1.1 [INFO] [stderr] Compiling ahash v0.3.8 [INFO] [stderr] Compiling mint v0.5.5 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling rustversion v1.0.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling inventory v0.1.8 [INFO] [stderr] Compiling tinystr v0.3.4 [INFO] [stderr] Compiling inflections v1.1.1 [INFO] [stderr] Compiling tinyvec v0.3.4 [INFO] [stderr] Compiling cpal v0.11.0 [INFO] [stderr] Compiling bytemuck v1.4.0 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling xi-unicode v0.2.1 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling claxon v0.4.3 [INFO] [stderr] Compiling fluent-syntax v0.9.3 [INFO] [stderr] Compiling dunce v1.0.1 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling miniz_oxide v0.4.1 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling unic-langid-impl v0.8.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] error: failed to run custom build command for `gfx-backend-metal v0.3.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/gfx-backend-metal-a166507db36e0208/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'unsupported target x86_64-unknown-linux-gnu', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-backend-metal-0.3.3/build.rs:17:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e9f8f885f0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55e9f8f885f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55e9f8f885f0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55e9f8f885f0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55e9f8fa5c3c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55e9f8f85a22 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x55e9f8f8a755 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55e9f8f8a755 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55e9f8f8a755 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55e9f8f8a3f8 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55e9f8f8ae91 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55e9f8f8a9d7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stderr] 12: 0x55e9f8f88aac - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55e9f8f8a939 - rust_begin_unwind [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stderr] 14: 0x55e9f8f8a8eb - std::panicking::begin_panic_fmt::h4a7e15187eac098d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:437:5 [INFO] [stderr] 15: 0x55e9f8f64848 - build_script_build::main::hb88a7a63e496063b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-backend-metal-0.3.3/build.rs:17:9 [INFO] [stderr] 16: 0x55e9f8f67b0b - core::ops::function::FnOnce::call_once::h3ce698ab6dea9405 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x55e9f8f6c29e - std::sys_common::backtrace::__rust_begin_short_backtrace::h6b487c91e39f9f35 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x55e9f8f66b51 - std::rt::lang_start::{{closure}}::hb6bcb79626ea9ceb [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 19: 0x55e9f8f8b2b7 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x55e9f8f8b2b7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 21: 0x55e9f8f8b2b7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 22: 0x55e9f8f8b2b7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 23: 0x55e9f8f8b2b7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 24: 0x55e9f8f66b27 - std::rt::lang_start::he929063ed09b9838 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 25: 0x55e9f8f65dba - main [INFO] [stderr] 26: 0x7f7d9ab230b3 - __libc_start_main [INFO] [stderr] 27: 0x55e9f8f630ae - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "60aad74bb0c0d12a33fc694e22832ea9e9af0bccbf743c960d97b56569146c53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60aad74bb0c0d12a33fc694e22832ea9e9af0bccbf743c960d97b56569146c53", kill_on_drop: false }` [INFO] [stdout] 60aad74bb0c0d12a33fc694e22832ea9e9af0bccbf743c960d97b56569146c53