[INFO] cloning repository https://github.com/cbiffle/minimal-embedded-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbiffle/minimal-embedded-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fminimal-embedded-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fminimal-embedded-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61b70c9be2a42aeeee72b55a851bdd179e6e9539 [INFO] checking cbiffle/minimal-embedded-rust/61b70c9be2a42aeeee72b55a851bdd179e6e9539 against master#0ef0dd24510b52da980889546fcd15254dc56a23 for pr-126452 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fminimal-embedded-rust" "/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/cbiffle/minimal-embedded-rust on toolchain 0ef0dd24510b52da980889546fcd15254dc56a23 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/cbiffle/minimal-embedded-rust [INFO] finished tweaking git repo https://github.com/cbiffle/minimal-embedded-rust [INFO] tweaked toml for git repo https://github.com/cbiffle/minimal-embedded-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cbiffle/minimal-embedded-rust 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" "+0ef0dd24510b52da980889546fcd15254dc56a23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rust-libcore v0.0.3 [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85e3b309eca399059d91cce0fd7bd382c134f35ca5fb19a5b4c232c0936911fc [INFO] running `Command { std: "docker" "start" "-a" "85e3b309eca399059d91cce0fd7bd382c134f35ca5fb19a5b4c232c0936911fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85e3b309eca399059d91cce0fd7bd382c134f35ca5fb19a5b4c232c0936911fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85e3b309eca399059d91cce0fd7bd382c134f35ca5fb19a5b4c232c0936911fc", kill_on_drop: false }` [INFO] [stdout] 85e3b309eca399059d91cce0fd7bd382c134f35ca5fb19a5b4c232c0936911fc [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebc8ee6e5e157a2f6cac6540276ad5e2637e75f931bae0787dbc4a6fb4f6bc1f [INFO] running `Command { std: "docker" "start" "-a" "ebc8ee6e5e157a2f6cac6540276ad5e2637e75f931bae0787dbc4a6fb4f6bc1f", kill_on_drop: false }` [INFO] [stderr] Compiling rust-libcore v0.0.3 [INFO] [stderr] error: failed to run custom build command for `rust-libcore v0.0.3` [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/rust-libcore-30c49488668485d4/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rust-libcore-0.0.3/./build.rs:43:9: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f872b9a3c5 - std::backtrace_rs::backtrace::libunwind::trace::h66a8deddd31b55ec [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x55f872b9a3c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9b8c457e5846198e [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f872b9a3c5 - std::sys_common::backtrace::_print_fmt::h9692bfa044125fab [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x55f872b9a3c5 - ::fmt::h8be930e4f4324fc1 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x55f872bbccbb - core::fmt::rt::Argument::fmt::h0147d2f1e77a5224 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/core/src/fmt/rt.rs:165:63 [INFO] [stderr] 5: 0x55f872bbccbb - core::fmt::write::h5bef47ac6c98803f [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/core/src/fmt/mod.rs:1168:21 [INFO] [stderr] 6: 0x55f872b97a0f - std::io::Write::write_fmt::h7707c1b0ed1f3ef8 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/io/mod.rs:1835:15 [INFO] [stderr] 7: 0x55f872b9a19e - std::sys_common::backtrace::_print::h79275c8f6c586b21 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x55f872b9a19e - std::sys_common::backtrace::print::hd651502311c26a72 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x55f872b9b6d9 - std::panicking::default_hook::{{closure}}::hb66aeb12a772476e [INFO] [stderr] 10: 0x55f872b9b47c - std::panicking::default_hook::hf6dbbcad84c9cd63 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x55f872b9bc91 - std::panicking::rust_panic_with_hook::h2897e2d711d501a3 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panicking.rs:793:13 [INFO] [stderr] 12: 0x55f872b72bf3 - std::panicking::begin_panic::{{closure}}::h8210077943385d6b [INFO] [stderr] 13: 0x55f872b76006 - std::sys_common::backtrace::__rust_end_short_backtrace::h0eebd1652cfd4c06 [INFO] [stderr] 14: 0x55f872b72b2e - std::panicking::begin_panic::h171a7ec2b76b383c [INFO] [stderr] 15: 0x55f872b7937d - build_script_build::main::h09f75927158fe5bd [INFO] [stderr] 16: 0x55f872b76af3 - core::ops::function::FnOnce::call_once::hdd7614fb0be641ce [INFO] [stderr] 17: 0x55f872b76026 - std::sys_common::backtrace::__rust_begin_short_backtrace::h141c7837c257394b [INFO] [stderr] 18: 0x55f872b763b9 - std::rt::lang_start::{{closure}}::hc9570cc69105cf4e [INFO] [stderr] 19: 0x55f872b94bb2 - core::ops::function::impls:: for &F>::call_once::h21ceb9f5e5a916ac [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 20: 0x55f872b94bb2 - std::panicking::try::do_call::h532160caac2670ff [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panicking.rs:553:40 [INFO] [stderr] 21: 0x55f872b94bb2 - std::panicking::try::h5bc667b2dd7c7094 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panicking.rs:517:19 [INFO] [stderr] 22: 0x55f872b94bb2 - std::panic::catch_unwind::hdeba13cb05bc278a [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panic.rs:350:14 [INFO] [stderr] 23: 0x55f872b94bb2 - std::rt::lang_start_internal::{{closure}}::h4533e72df9cc8557 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/rt.rs:141:48 [INFO] [stderr] 24: 0x55f872b94bb2 - std::panicking::try::do_call::habc74d8bb4c93248 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panicking.rs:553:40 [INFO] [stderr] 25: 0x55f872b94bb2 - std::panicking::try::hfc102e16afd0db4a [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panicking.rs:517:19 [INFO] [stderr] 26: 0x55f872b94bb2 - std::panic::catch_unwind::h72ea03986bc65036 [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/panic.rs:350:14 [INFO] [stderr] 27: 0x55f872b94bb2 - std::rt::lang_start_internal::hc0ace33a2b61013e [INFO] [stderr] at /rustc/0ef0dd24510b52da980889546fcd15254dc56a23/library/std/src/rt.rs:141:20 [INFO] [stderr] 28: 0x55f872b76397 - std::rt::lang_start::h799ef09efdb3cc77 [INFO] [stderr] 29: 0x55f872b797c5 - main [INFO] [stderr] 30: 0x7fbc192d2d90 - [INFO] [stderr] 31: 0x7fbc192d2e40 - __libc_start_main [INFO] [stderr] 32: 0x55f872b71cf5 - _start [INFO] [stderr] 33: 0x0 - [INFO] running `Command { std: "docker" "inspect" "ebc8ee6e5e157a2f6cac6540276ad5e2637e75f931bae0787dbc4a6fb4f6bc1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebc8ee6e5e157a2f6cac6540276ad5e2637e75f931bae0787dbc4a6fb4f6bc1f", kill_on_drop: false }` [INFO] [stdout] ebc8ee6e5e157a2f6cac6540276ad5e2637e75f931bae0787dbc4a6fb4f6bc1f