[INFO] fetching crate rftrace 0.1.0... [INFO] documenting rftrace-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate rftrace 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate rftrace 0.1.0 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rftrace 0.1.0 [INFO] finished tweaking crates.io crate rftrace 0.1.0 [INFO] tweaked toml for crates.io crate rftrace 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fab8d3fc7c511cdd4852db2daa0d701cc8715e14ae0d8672396bec5925ced68 [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" "4fab8d3fc7c511cdd4852db2daa0d701cc8715e14ae0d8672396bec5925ced68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fab8d3fc7c511cdd4852db2daa0d701cc8715e14ae0d8672396bec5925ced68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fab8d3fc7c511cdd4852db2daa0d701cc8715e14ae0d8672396bec5925ced68", kill_on_drop: false }` [INFO] [stdout] 4fab8d3fc7c511cdd4852db2daa0d701cc8715e14ae0d8672396bec5925ced68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 7abfdd76b92ca46a3481bd970f7a2750538b989575d014c510f88d67a0e13acb [INFO] running `Command { std: "docker" "start" "-a" "7abfdd76b92ca46a3481bd970f7a2750538b989575d014c510f88d67a0e13acb", kill_on_drop: false }` [INFO] [stderr] Compiling rftrace v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `rftrace v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rftrace-6b57f062edb79767/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] Building Backend! [INFO] [stderr] cargo:rerun-if-env-changed=RFTRACE_TARGET_TRIPLE [INFO] [stderr] Compiling for target x86_64-unknown-linux-gnu [INFO] [stderr] Starting sub-cargo [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] error: toolchain 'nightly-x86_64-unknown-linux-gnu' is not installed [INFO] [stderr] thread 'main' panicked at 'Unable to build tracer's static lib!', build.rs:109:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a7d24e9960 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55a7d24e9960 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a7d24e9960 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55a7d24e9960 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55a7d250720c - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x55a7d24e7867 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x55a7d24ebb70 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55a7d24ebb70 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55a7d24ebb70 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x55a7d24eb8bc - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x55a7d24ec1d3 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x55a7d24c5ff8 - std::panicking::begin_panic::{{closure}}::hba7cf403293cf488 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:498 [INFO] [stderr] 12: 0x55a7d24ce6c8 - std::sys_common::backtrace::__rust_end_short_backtrace::hf148e868526ce644 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55a7d24c5f23 - std::panicking::begin_panic::had3d4acd44de5811 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:497 [INFO] [stderr] 14: 0x55a7d24c39f2 - build_script_build::build_backend::h71a0e834ddeccf7a [INFO] [stderr] at /opt/rustwide/workdir/build.rs:109 [INFO] [stderr] 15: 0x55a7d24c3ed6 - build_script_build::main::hda1c595fcfc8643f [INFO] [stderr] at /opt/rustwide/workdir/build.rs:126 [INFO] [stderr] 16: 0x55a7d24d06fb - core::ops::function::FnOnce::call_once::hca00c30aa60795eb [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 17: 0x55a7d24ce6fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h83cd8ca5eb673ce9 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 18: 0x55a7d24c5d91 - std::rt::lang_start::{{closure}}::he879b5f3d61287f7 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 19: 0x55a7d24ec5d1 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 20: 0x55a7d24ec5d1 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 21: 0x55a7d24ec5d1 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 22: 0x55a7d24ec5d1 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 23: 0x55a7d24ec5d1 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 24: 0x55a7d24c5d67 - std::rt::lang_start::h902aa1253057d6df [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 25: 0x55a7d24c3f0a - main [INFO] [stderr] 26: 0x7fb2021e60b3 - __libc_start_main [INFO] [stderr] 27: 0x55a7d24c10be - _start [INFO] [stderr] 28: 0x0 - [INFO] running `Command { std: "docker" "inspect" "7abfdd76b92ca46a3481bd970f7a2750538b989575d014c510f88d67a0e13acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7abfdd76b92ca46a3481bd970f7a2750538b989575d014c510f88d67a0e13acb", kill_on_drop: false }` [INFO] [stdout] 7abfdd76b92ca46a3481bd970f7a2750538b989575d014c510f88d67a0e13acb