[INFO] crate klt-sys 0.1.0 is already in cache
[INFO] checking klt-sys-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate klt-sys 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate klt-sys 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate klt-sys 0.1.0
[INFO] finished tweaking crates.io crate klt-sys 0.1.0
[INFO] tweaked toml for crates.io crate klt-sys 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 028fa192435721d70c18f2155add6fff0aa85523cc2b9a0e924214c9a37e426c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "028fa192435721d70c18f2155add6fff0aa85523cc2b9a0e924214c9a37e426c"`
[INFO] [stderr]    Compiling klt-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `klt-sys v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/klt-sys-42801ffc8862428f/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build/build.rs
[INFO] [stderr] cargo:rerun-if-changed=lib/klt
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'could not create klt build log: Read-only file system (os error 30)', build/build.rs:33:40
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5651045f0144 - backtrace::backtrace::libunwind::trace::h9e598fcb10d5c4f5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5651045f0144 - backtrace::backtrace::trace_unsynchronized::hbfbd58fbb4a2603e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5651045f0144 - std::sys_common::backtrace::_print_fmt::hacb596a8013761df
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5651045f0144 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha1ba73c9085723eb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x565104612c4c - core::fmt::write::hb4ac1e8a8c800611
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x5651045ee463 - std::io::Write::write_fmt::ha413e6029f4d499f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x5651045f2665 - std::sys_common::backtrace::_print::h5afa8b3832cd03b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5651045f2665 - std::sys_common::backtrace::print::h49229e3486b70f83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5651045f2665 - std::panicking::default_hook::{{closure}}::hcfefd5f4943f3aa9
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x5651045f23a2 - std::panicking::default_hook::h4c2b6d8d034c53de
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x5651045f2c72 - std::panicking::rust_panic_with_hook::hf8cee70c0118d2cc
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x5651045f285b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x5651045f27cb - std::panicking::begin_panic_fmt::h58dd034954c7216c
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x5651045e1219 - build_script_build::build_klt::{{closure}}::he298dabc735724da
[INFO] [stderr]                                at build/build.rs:33
[INFO] [stderr]   14:     0x5651045e359f - core::result::Result<T,E>::unwrap_or_else::h07975c216bd73c44
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libcore/result.rs:853
[INFO] [stderr]   15:     0x5651045e0d6c - build_script_build::build_klt::hc37afeb4f95b8f39
[INFO] [stderr]                                at build/build.rs:32
[INFO] [stderr]   16:     0x5651045e13b9 - build_script_build::main::h35cdd243a054f54d
[INFO] [stderr]                                at build/build.rs:52
[INFO] [stderr]   17:     0x5651045e6a5b - std::rt::lang_start::{{closure}}::h41fb128d66743c1f
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x5651045f30b8 - std::rt::lang_start_internal::{{closure}}::h4c4631d379953dd0
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x5651045f30b8 - std::panicking::try::do_call::hc26b3db2421dedbb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   20:     0x5651045f30b8 - std::panicking::try::h4da6835c8705b8a7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   21:     0x5651045f30b8 - std::panic::catch_unwind::h02aff520273fa6b1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x5651045f30b8 - std::rt::lang_start_internal::he0572ca212cb5ef4
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x5651045e6a37 - std::rt::lang_start::h7fee05eaa325f772
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x5651045e13ea - main
[INFO] [stderr]   25:     0x7f9610a88b97 - __libc_start_main
[INFO] [stderr]   26:     0x5651045df1ea - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "028fa192435721d70c18f2155add6fff0aa85523cc2b9a0e924214c9a37e426c"`
[INFO] running `"docker" "rm" "-f" "028fa192435721d70c18f2155add6fff0aa85523cc2b9a0e924214c9a37e426c"`
[INFO] [stdout] 028fa192435721d70c18f2155add6fff0aa85523cc2b9a0e924214c9a37e426c