[INFO] cloning repository https://github.com/aldorithms/blog_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aldorithms/blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4959f2e71d0a6f5023da05903f33d0f31de9b673 [INFO] checking aldorithms/blog_os against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aldorithms/blog_os on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/aldorithms/blog_os [INFO] finished tweaking git repo https://github.com/aldorithms/blog_os [INFO] tweaked toml for git repo https://github.com/aldorithms/blog_os written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aldorithms/blog_os 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-concurrency v7.4.3 [INFO] [stderr] Downloaded bootloader v0.11.4 [INFO] [stderr] Downloaded llvm-tools v0.1.1 [INFO] [stderr] Downloaded bootloader-boot-config v0.11.4 [INFO] [stderr] Downloaded serde-big-array v0.4.1 [INFO] [stderr] Downloaded mbrman v0.5.2 [INFO] [stderr] Downloaded gpt v3.1.0 [INFO] [stderr] Downloaded polling v3.3.1 [INFO] [stderr] Downloaded async-io v2.2.1 [INFO] [stderr] Downloaded rustix v0.38.26 [INFO] [stderr] Downloaded event-listener v4.0.0 [INFO] [stderr] Downloaded async-lock v3.2.0 [INFO] [stderr] Downloaded futures-lite v2.1.0 [INFO] [stderr] Downloaded fatfs v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53483391fbbbd9c3fc4d13140e0dc545744ed9d883978aef231da61a8e430b23 [INFO] running `Command { std: "docker" "start" "-a" "53483391fbbbd9c3fc4d13140e0dc545744ed9d883978aef231da61a8e430b23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53483391fbbbd9c3fc4d13140e0dc545744ed9d883978aef231da61a8e430b23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53483391fbbbd9c3fc4d13140e0dc545744ed9d883978aef231da61a8e430b23", kill_on_drop: false }` [INFO] [stdout] 53483391fbbbd9c3fc4d13140e0dc545744ed9d883978aef231da61a8e430b23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b01c058029c182b8b41c5cd3686d781a55292d18245474b3bee7760283e56ab [INFO] running `Command { std: "docker" "start" "-a" "7b01c058029c182b8b41c5cd3686d781a55292d18245474b3bee7760283e56ab", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling rustix v0.38.26 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling parking v2.2.0 [INFO] [stderr] Compiling futures-io v0.3.29 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling bitflags v2.4.1 [INFO] [stderr] Compiling linux-raw-sys v0.4.12 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling concurrent-queue v2.4.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling event-listener v4.0.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling event-listener-strategy v0.4.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling futures-sink v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling async-lock v3.2.0 [INFO] [stderr] Compiling futures-lite v2.1.0 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling waker-fn v1.1.1 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling wyz v0.5.1 [INFO] [stderr] Compiling async-lock v2.8.0 [INFO] [stderr] Compiling futures-lite v1.13.0 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling funty v2.0.0 [INFO] [stderr] Compiling event-listener v3.1.0 [INFO] [stderr] Compiling smallvec v1.11.2 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling llvm-tools v0.1.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling bitvec v1.0.1 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking crc-catalog v2.4.0 [INFO] [stderr] Checking uuid v1.6.1 [INFO] [stderr] Checking crc v3.0.1 [INFO] [stderr] Compiling polling v3.3.1 [INFO] [stderr] Compiling async-io v2.2.1 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling async-signal v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling async-process v1.8.1 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking fatfs v0.3.6 [INFO] [stderr] Checking gpt v3.1.0 [INFO] [stderr] Compiling pin-project v1.1.3 [INFO] [stderr] Compiling futures-concurrency v7.4.3 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking serde v1.0.193 [INFO] [stderr] Compiling futures-executor v0.3.29 [INFO] [stderr] Compiling futures v0.3.29 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde-big-array v0.4.1 [INFO] [stderr] Checking serde_json v1.0.108 [INFO] [stderr] Checking bootloader-boot-config v0.11.4 [INFO] [stderr] Checking mbrman v0.5.2 [INFO] [stderr] Compiling bootloader v0.11.4 [INFO] [stderr] error: failed to run custom build command for `bootloader v0.11.4` [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/bootloader-77a148b873cc2505/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating crates.io index [INFO] [stderr] warningwarning:: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (3 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] error: download of config.json failed [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to download from `https://index.crates.io/config.json` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bootloader-0.11.4/build.rs:239:9: [INFO] [stderr] failed to build bios stage-3 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56241a704b75 - std::backtrace_rs::backtrace::libunwind::trace::he59ed1f6310a89db [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x56241a704b75 - std::backtrace_rs::backtrace::trace_unsynchronized::h6df48fc4d4dfcd06 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56241a704b75 - std::sys_common::backtrace::_print_fmt::h913519b97242ff76 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x56241a704b75 - ::fmt::h13de4b2243b3529a [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x56241a72820b - core::fmt::rt::Argument::fmt::h38359000df222df5 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x56241a72820b - core::fmt::write::h09792d099db8c4ce [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x56241a701d9f - std::io::Write::write_fmt::h42e7b681a9beaf4e [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/io/mod.rs:1843:15 [INFO] [stderr] 7: 0x56241a70494e - std::sys_common::backtrace::_print::h70f8b37b4f167097 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x56241a70494e - std::sys_common::backtrace::print::h27748824a837f210 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x56241a706359 - std::panicking::default_hook::{{closure}}::hc8fd06074a6fbb63 [INFO] [stderr] 10: 0x56241a7060c3 - std::panicking::default_hook::ha4bd1ecab3ae33e7 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:291:9 [INFO] [stderr] 11: 0x56241a7067f4 - std::panicking::rust_panic_with_hook::h087fd27556b6edb6 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:788:13 [INFO] [stderr] 12: 0x56241a70669d - std::panicking::begin_panic_handler::{{closure}}::hfba7f507ddcc9465 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:649:13 [INFO] [stderr] 13: 0x56241a705039 - std::sys_common::backtrace::__rust_end_short_backtrace::h9a9f7575e226ea27 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x56241a706407 - rust_begin_unwind [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:645:5 [INFO] [stderr] 15: 0x56241a61b206 - core::panicking::panic_fmt::h1705551aae729902 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x56241a62e190 - build_script_build::build_bios_stage_3::{{closure}}::h0840d6b0e6ab701d [INFO] [stderr] 17: 0x56241a61d2eb - as core::future::future::Future>::poll::h8b1d92a5b382297f [INFO] [stderr] 18: 0x56241a62ab8e - build_script_build::bios_main::{{closure}}::h6270ac2ab1e5a900 [INFO] [stderr] 19: 0x56241a61c1fb - as core::future::future::Future>::poll::h22afc81103ddb98b [INFO] [stderr] 20: 0x56241a6252f5 - futures_executor::local_pool::block_on::{{closure}}::hbd0791eebe7d39a4 [INFO] [stderr] 21: 0x56241a62518b - futures_executor::local_pool::run_executor::{{closure}}::hbd0747de4d289315 [INFO] [stderr] 22: 0x56241a626394 - std::thread::local::LocalKey::try_with::h5ad9be8ac29db9fe [INFO] [stderr] 23: 0x56241a6262c6 - std::thread::local::LocalKey::with::h0b29e4d0792bc157 [INFO] [stderr] 24: 0x56241a6250e5 - futures_executor::local_pool::run_executor::ha62786f5f5fb5ce1 [INFO] [stderr] 25: 0x56241a62529e - futures_executor::local_pool::block_on::h1e7cf2ed8c80a809 [INFO] [stderr] 26: 0x56241a62a5d7 - build_script_build::main::h678c187be9f6ddba [INFO] [stderr] 27: 0x56241a620603 - core::ops::function::FnOnce::call_once::h0fce6305b79b400e [INFO] [stderr] 28: 0x56241a625a66 - std::sys_common::backtrace::__rust_begin_short_backtrace::hceb94adea76643a7 [INFO] [stderr] 29: 0x56241a625ab9 - std::rt::lang_start::{{closure}}::hfec3b10a56669439 [INFO] [stderr] 30: 0x56241a6fe538 - core::ops::function::impls:: for &F>::call_once::h9f523d8f6b1fcff2 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 31: 0x56241a6fe538 - std::panicking::try::do_call::h19b032b8045658db [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:552:40 [INFO] [stderr] 32: 0x56241a6fe538 - std::panicking::try::h507b2a26a7ad2631 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:516:19 [INFO] [stderr] 33: 0x56241a6fe538 - std::panic::catch_unwind::hff52f60a0d405245 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panic.rs:149:14 [INFO] [stderr] 34: 0x56241a6fe538 - std::rt::lang_start_internal::{{closure}}::he368883b64446176 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/rt.rs:143:48 [INFO] [stderr] 35: 0x56241a6fe538 - std::panicking::try::do_call::he14947d22dd68c09 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:552:40 [INFO] [stderr] 36: 0x56241a6fe538 - std::panicking::try::h303b136a82db2f42 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panicking.rs:516:19 [INFO] [stderr] 37: 0x56241a6fe538 - std::panic::catch_unwind::h2c163035acb555be [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/panic.rs:149:14 [INFO] [stderr] 38: 0x56241a6fe538 - std::rt::lang_start_internal::h59713dd0b2ce8c81 [INFO] [stderr] at /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/rt.rs:143:20 [INFO] [stderr] 39: 0x56241a625a97 - std::rt::lang_start::h9b5e71d9e117eacd [INFO] [stderr] 40: 0x56241a62fb25 - main [INFO] [stderr] 41: 0x7f0bbf5bed90 - [INFO] [stderr] 42: 0x7f0bbf5bee40 - __libc_start_main [INFO] [stderr] 43: 0x56241a61ba15 - _start [INFO] [stderr] 44: 0x0 - [INFO] [stderr] error: download of config.json failed [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to download from `https://index.crates.io/config.json` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] error: download of config.json failed [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to download from `https://index.crates.io/config.json` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] error: download of config.json failed [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to download from `https://index.crates.io/config.json` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] [stderr] error: download of config.json failed [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to download from `https://index.crates.io/config.json` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] [6] Couldn't resolve host name (Could not resolve host: index.crates.io) [INFO] running `Command { std: "docker" "inspect" "7b01c058029c182b8b41c5cd3686d781a55292d18245474b3bee7760283e56ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b01c058029c182b8b41c5cd3686d781a55292d18245474b3bee7760283e56ab", kill_on_drop: false }` [INFO] [stdout] 7b01c058029c182b8b41c5cd3686d781a55292d18245474b3bee7760283e56ab [INFO] checking aldorithms/blog_os against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aldorithms/blog_os on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/aldorithms/blog_os [INFO] finished tweaking git repo https://github.com/aldorithms/blog_os [INFO] tweaked toml for git repo https://github.com/aldorithms/blog_os written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aldorithms/blog_os 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: failed to download `bootloader v0.11.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bootloader-0.11.4/Cargo.toml` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] the cargo feature `profile-rustflags` requires a nightly version of Cargo, but this is the `beta` channel [INFO] [stderr] See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels. [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#profile-rustflags-option for more information about using this feature. [INFO] checking aldorithms/blog_os against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aldorithms/blog_os on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/aldorithms/blog_os [INFO] finished tweaking git repo https://github.com/aldorithms/blog_os [INFO] tweaked toml for git repo https://github.com/aldorithms/blog_os written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aldorithms/blog_os 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: failed to download `bootloader v0.11.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bootloader-0.11.4/Cargo.toml` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] the cargo feature `profile-rustflags` requires a nightly version of Cargo, but this is the `beta` channel [INFO] [stderr] See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels. [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#profile-rustflags-option for more information about using this feature. [INFO] checking aldorithms/blog_os against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aldorithms/blog_os on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/aldorithms/blog_os [INFO] finished tweaking git repo https://github.com/aldorithms/blog_os [INFO] tweaked toml for git repo https://github.com/aldorithms/blog_os written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aldorithms/blog_os 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: failed to download `bootloader v0.11.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bootloader-0.11.4/Cargo.toml` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] the cargo feature `profile-rustflags` requires a nightly version of Cargo, but this is the `beta` channel [INFO] [stderr] See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels. [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#profile-rustflags-option for more information about using this feature. [INFO] checking aldorithms/blog_os against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aldorithms/blog_os on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/aldorithms/blog_os [INFO] finished tweaking git repo https://github.com/aldorithms/blog_os [INFO] tweaked toml for git repo https://github.com/aldorithms/blog_os written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aldorithms/blog_os 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: failed to download `bootloader v0.11.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bootloader-0.11.4/Cargo.toml` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] the cargo feature `profile-rustflags` requires a nightly version of Cargo, but this is the `beta` channel [INFO] [stderr] See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels. [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#profile-rustflags-option for more information about using this feature. [INFO] checking aldorithms/blog_os against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faldorithms%2Fblog_os" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aldorithms/blog_os on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/aldorithms/blog_os [INFO] finished tweaking git repo https://github.com/aldorithms/blog_os [INFO] tweaked toml for git repo https://github.com/aldorithms/blog_os written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aldorithms/blog_os 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: failed to download `bootloader v0.11.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bootloader-0.11.4/Cargo.toml` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] the cargo feature `profile-rustflags` requires a nightly version of Cargo, but this is the `beta` channel [INFO] [stderr] See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels. [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/unstable.html#profile-rustflags-option for more information about using this feature. [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 101 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.