[INFO] fetching crate rftrace 0.2.3... [INFO] checking rftrace-0.2.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate rftrace 0.2.3 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate rftrace 0.2.3 [INFO] finished tweaking crates.io crate rftrace 0.2.3 [INFO] tweaked toml for crates.io crate rftrace 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rftrace 0.2.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rftrace 0.2.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afcf254d59f5e3b23c3155b2f837cf77a2d41595953f560ab429b56bae9b0882 [INFO] running `Command { std: "docker" "start" "-a" "afcf254d59f5e3b23c3155b2f837cf77a2d41595953f560ab429b56bae9b0882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afcf254d59f5e3b23c3155b2f837cf77a2d41595953f560ab429b56bae9b0882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afcf254d59f5e3b23c3155b2f837cf77a2d41595953f560ab429b56bae9b0882", kill_on_drop: false }` [INFO] [stdout] afcf254d59f5e3b23c3155b2f837cf77a2d41595953f560ab429b56bae9b0882 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c2bca945cb2b31d096e075a94176f43737a058849844fd747fd040ab8e97b4c [INFO] running `Command { std: "docker" "start" "-a" "9c2bca945cb2b31d096e075a94176f43737a058849844fd747fd040ab8e97b4c", kill_on_drop: false }` [INFO] [stderr] Compiling llvm-tools v0.1.1 [INFO] [stderr] Compiling home v0.5.11 [INFO] [stderr] Compiling rftrace v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `rftrace v0.2.3 (/opt/rustwide/workdir)` [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/rftrace-a298044b95099c73/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] Building Backend! [INFO] [stderr] Starting sub-cargo [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] info: syncing channel updates for 'nightly-x86_64-unknown-linux-gnu' [INFO] [stderr] error: could not create temp file /opt/rustwide/rustup-home/tmp/kgb1cm5fkv9o981i_file: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] thread 'main' panicked at build.rs:56:5: [INFO] [stderr] Unable to build tracer's static lib! [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5890a5d300f2 - std::backtrace_rs::backtrace::libunwind::trace::h360bb75e22de2778 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5890a5d300f2 - std::backtrace_rs::backtrace::trace_unsynchronized::hfdde2f704faeffd5 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5890a5d300f2 - std::sys::backtrace::_print_fmt::h417d2e15f697175b [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5890a5d300f2 - ::fmt::h6da87f843d594e5f [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5890a5d51e53 - core::fmt::rt::Argument::fmt::h93dad83eea6b1735 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5890a5d51e53 - core::fmt::write::hfc80a741b320fdf6 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/fmt/mod.rs:1465:25 [INFO] [stderr] 6: 0x5890a5d2d093 - std::io::default_write_fmt::h4f50706d79e0ad9c [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5890a5d2d093 - std::io::Write::write_fmt::h4ea6a86049496d1c [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5890a5d2ff42 - std::sys::backtrace::BacktraceLock::print::h1cbd12f8d7a3dd2a [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5890a5d318d6 - std::panicking::default_hook::{{closure}}::h05e45c6f75ebd415 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:300:27 [INFO] [stderr] 10: 0x5890a5d316d9 - std::panicking::default_hook::h282f20b2a278c2b0 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:327:9 [INFO] [stderr] 11: 0x5890a5d322a2 - std::panicking::rust_panic_with_hook::h36eb92d284238d72 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:833:13 [INFO] [stderr] 12: 0x5890a5d3217c - std::panicking::begin_panic::{{closure}}::haba5435ffb857248 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:770:9 [INFO] [stderr] 13: 0x5890a5d305e9 - std::sys::backtrace::__rust_end_short_backtrace::ha359c861faaf8b27 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/sys/backtrace.rs:168:18 [INFO] [stderr] 14: 0x5890a5d32092 - std::panicking::begin_panic::haf322c0b3b162dec [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:769:5 [INFO] [stderr] 15: 0x5890a5cf612b - build_script_build::build_backend::h9f02d9ae965150dd [INFO] [stderr] 16: 0x5890a5cf666b - build_script_build::main::hd3acf81fc81eb425 [INFO] [stderr] 17: 0x5890a5cf24f3 - core::ops::function::FnOnce::call_once::h33e5fb2bc765ab56 [INFO] [stderr] 18: 0x5890a5cfbd16 - std::sys::backtrace::__rust_begin_short_backtrace::h7e4323844727ec2b [INFO] [stderr] 19: 0x5890a5cfba59 - std::rt::lang_start::{{closure}}::h34647c7c5f3a7cd6 [INFO] [stderr] 20: 0x5890a5d296d0 - core::ops::function::impls:: for &F>::call_once::h6a0310293008eb2d [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/ops/function.rs:284:21 [INFO] [stderr] 21: 0x5890a5d296d0 - std::panicking::catch_unwind::do_call::h296e94a1c4e3d78c [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:589:40 [INFO] [stderr] 22: 0x5890a5d296d0 - std::panicking::catch_unwind::hcc60b8b41a431974 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:552:19 [INFO] [stderr] 23: 0x5890a5d296d0 - std::panic::catch_unwind::hfde220fef6750e01 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panic.rs:359:14 [INFO] [stderr] 24: 0x5890a5d296d0 - std::rt::lang_start_internal::{{closure}}::h8a2acae78735c9ef [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/rt.rs:175:24 [INFO] [stderr] 25: 0x5890a5d296d0 - std::panicking::catch_unwind::do_call::hd03928f4e997613a [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:589:40 [INFO] [stderr] 26: 0x5890a5d296d0 - std::panicking::catch_unwind::hf7cbafaef6e89ea3 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panicking.rs:552:19 [INFO] [stderr] 27: 0x5890a5d296d0 - std::panic::catch_unwind::hf1ae9b7d8b7c2036 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/panic.rs:359:14 [INFO] [stderr] 28: 0x5890a5d296d0 - std::rt::lang_start_internal::h1c97a48421de4504 [INFO] [stderr] at /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/std/src/rt.rs:171:5 [INFO] [stderr] 29: 0x5890a5cfba41 - std::rt::lang_start::h42ed3352692f9394 [INFO] [stderr] 30: 0x5890a5cf8505 - main [INFO] [stderr] 31: 0x73e0260fd1ca - [INFO] [stderr] 32: 0x73e0260fd28b - __libc_start_main [INFO] [stderr] 33: 0x5890a5cf2065 - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "9c2bca945cb2b31d096e075a94176f43737a058849844fd747fd040ab8e97b4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c2bca945cb2b31d096e075a94176f43737a058849844fd747fd040ab8e97b4c", kill_on_drop: false }` [INFO] [stdout] 9c2bca945cb2b31d096e075a94176f43737a058849844fd747fd040ab8e97b4c