[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61b70c9be2a42aeeee72b55a851bdd179e6e9539 [INFO] checking cbiffle/minimal-embedded-rust against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbiffle%2Fminimal-embedded-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cbiffle/minimal-embedded-rust on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0/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/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" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61c0ef326165c5567264f569055ca8deb1bf1a4f78526172aea5c3901e3ce7f1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "61c0ef326165c5567264f569055ca8deb1bf1a4f78526172aea5c3901e3ce7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61c0ef326165c5567264f569055ca8deb1bf1a4f78526172aea5c3901e3ce7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61c0ef326165c5567264f569055ca8deb1bf1a4f78526172aea5c3901e3ce7f1", kill_on_drop: false }` [INFO] [stdout] 61c0ef326165c5567264f569055ca8deb1bf1a4f78526172aea5c3901e3ce7f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 491eb73963706ead3a65ced927c5c0e7da339647ae83430024e1c061ab8e5d0f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "491eb73963706ead3a65ced927c5c0e7da339647ae83430024e1c061ab8e5d0f", 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-357ca1079568079d/build-script-build` (exit code: 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: 0x55b82c705f05 - backtrace::backtrace::libunwind::trace::h34afbfad7fd770fc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55b82c705f05 - backtrace::backtrace::trace_unsynchronized::h460d522b1619a600 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b82c705f05 - std::sys_common::backtrace::_print_fmt::ha45fac10086813b4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55b82c705f05 - ::fmt::hde84f63fcfd0e6de [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b82c7291ac - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55b82c703163 - std::io::Write::write_fmt::hc344eafd6e850b4d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55b82c708a20 - std::sys_common::backtrace::_print::h4db88ff15cb5d61d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b82c708a20 - std::sys_common::backtrace::print::h5fc39e1b1f610bd3 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b82c708a20 - std::panicking::default_hook::{{closure}}::h59e55edacb1d974a [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55b82c70876c - std::panicking::default_hook::heee4c8016dfbf328 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55b82c709007 - std::panicking::rust_panic_with_hook::h8405b6301c79fb5a [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x55b82c6fa242 - std::panicking::begin_panic::hfafe88dd1e93a4cc [INFO] [stderr] at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libstd/panicking.rs:403 [INFO] [stderr] 12: 0x55b82c6f1f43 - build_script_build::main::ha329748abc8ddac8 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43 [INFO] [stderr] 13: 0x55b82c6fa0ab - std::rt::lang_start::{{closure}}::h6539d2d1b17bdeff [INFO] [stderr] at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x55b82c7093d8 - std::rt::lang_start_internal::{{closure}}::h7cea099ad4edf1eb [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x55b82c7093d8 - std::panicking::try::do_call::h42d93372c44025d2 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55b82c7093d8 - std::panicking::try::hb47a4182362d3341 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 17: 0x55b82c7093d8 - std::panic::catch_unwind::h2afcfbf3125915b4 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55b82c7093d8 - std::rt::lang_start_internal::h4f696727fe904f48 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x55b82c6fa087 - std::rt::lang_start::h4b2e65b868fbcee2 [INFO] [stderr] at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x55b82c6f252a - main [INFO] [stderr] 21: 0x7faae9fde0b3 - __libc_start_main [INFO] [stderr] 22: 0x55b82c6ee19e - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] running `Command { std: "docker" "inspect" "491eb73963706ead3a65ced927c5c0e7da339647ae83430024e1c061ab8e5d0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "491eb73963706ead3a65ced927c5c0e7da339647ae83430024e1c061ab8e5d0f", kill_on_drop: false }` [INFO] [stdout] 491eb73963706ead3a65ced927c5c0e7da339647ae83430024e1c061ab8e5d0f