[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] testing cbiffle/minimal-embedded-rust against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fminimal-embedded-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cbiffle/minimal-embedded-rust on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-15/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-15/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: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f16942848a4dc2eb0a24fcebc771bab98bbd7c025387c2c2a4ce79df8ad8c99 [INFO] running `Command { std: "docker" "start" "-a" "9f16942848a4dc2eb0a24fcebc771bab98bbd7c025387c2c2a4ce79df8ad8c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f16942848a4dc2eb0a24fcebc771bab98bbd7c025387c2c2a4ce79df8ad8c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f16942848a4dc2eb0a24fcebc771bab98bbd7c025387c2c2a4ce79df8ad8c99", kill_on_drop: false }` [INFO] [stdout] 9f16942848a4dc2eb0a24fcebc771bab98bbd7c025387c2c2a4ce79df8ad8c99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 115ed51d0ef5afedd4f7d680cc843ff21c7dc329e77c2b97e56506253daf4e88 [INFO] running `Command { std: "docker" "start" "-a" "115ed51d0ef5afedd4f7d680cc843ff21c7dc329e77c2b97e56506253daf4e88", 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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-libcore-6cb9e744acebe1c5/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Box', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562406ce352c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x562406ce352c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562406ce352c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562406ce352c - ::fmt::h9a78218788c14e18 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562406d0220c - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stderr] 5: 0x562406ce09d5 - std::io::Write::write_fmt::h1d5220480c7a2437 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x562406ce5180 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562406ce5180 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562406ce5180 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x562406ce4d37 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x562406ce5834 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x562406cc837a - std::panicking::begin_panic::{{closure}}::h15b57530e5b1c2c4 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:544:9 [INFO] [stderr] 12: 0x562406cc1e18 - std::sys_common::backtrace::__rust_end_short_backtrace::h26beb4162dd0772b [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x562406cc8235 - std::panicking::begin_panic::haf2ee5cd8d1d334f [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:543:12 [INFO] [stderr] 14: 0x562406cc1031 - build_script_build::main::h8d27b948237d30f0 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43:9 [INFO] [stderr] 15: 0x562406cc463b - core::ops::function::FnOnce::call_once::h657079c215ca3f2a [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x562406cc1ebe - std::sys_common::backtrace::__rust_begin_short_backtrace::hf32c3ece6cf7c33e [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x562406cc7731 - std::rt::lang_start::{{closure}}::h1935c61da70e1114 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:63:18 [INFO] [stderr] 18: 0x562406ce5d3a - core::ops::function::impls:: for &F>::call_once::hc590b210ed55e22f [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x562406ce5d3a - std::panicking::try::do_call::h5f0600b7a33ea1af [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stderr] 20: 0x562406ce5d3a - std::panicking::try::he15826df0f376a33 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stderr] 21: 0x562406ce5d3a - std::panic::catch_unwind::hd8af3a578b6b4c86 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stderr] 22: 0x562406ce5d3a - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48 [INFO] [stderr] 23: 0x562406ce5d3a - std::panicking::try::do_call::h941e8fdb0bd03655 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stderr] 24: 0x562406ce5d3a - std::panicking::try::ha20a77bf65530f63 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stderr] 25: 0x562406ce5d3a - std::panic::catch_unwind::h33afc061cc69ef90 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stderr] 26: 0x562406ce5d3a - std::rt::lang_start_internal::hc05c244593147106 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20 [INFO] [stderr] 27: 0x562406cc7700 - std::rt::lang_start::h8838c9fc26ad70ac [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:62:5 [INFO] [stderr] 28: 0x562406cc15ac - main [INFO] [stderr] 29: 0x7f1b086c10b3 - __libc_start_main [INFO] [stderr] 30: 0x562406cbd78e - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "115ed51d0ef5afedd4f7d680cc843ff21c7dc329e77c2b97e56506253daf4e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "115ed51d0ef5afedd4f7d680cc843ff21c7dc329e77c2b97e56506253daf4e88", kill_on_drop: false }` [INFO] [stdout] 115ed51d0ef5afedd4f7d680cc843ff21c7dc329e77c2b97e56506253daf4e88