[INFO] crate klt-sys 0.1.0 is already in cache
[INFO] checking klt-sys-0.1.0 against try#f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f for pr-69560
[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 f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "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" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "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" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffa094a9adbd3fabc38dca0709467994aaa1926b369777a905f37a4912e2307c
[INFO] running `"docker" "start" "-a" "ffa094a9adbd3fabc38dca0709467994aaa1926b369777a905f37a4912e2307c"`
[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-abbbecdd3d161985/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:     0x555cb59ca994 - backtrace::backtrace::libunwind::trace::h8f337ed59c16443d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x555cb59ca994 - backtrace::backtrace::trace_unsynchronized::h593610f6b71656af
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x555cb59ca994 - std::sys_common::backtrace::_print_fmt::h1404a92ad1c52c21
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x555cb59ca994 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc9630e301ebfa22f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x555cb59e834c - core::fmt::write::h6e10d113d43af15a
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1053
[INFO] [stderr]    5:     0x555cb59c8bd7 - std::io::Write::write_fmt::hdc151461c230439b
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x555cb59ccd85 - std::sys_common::backtrace::_print::hca237eacf39b5a37
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x555cb59ccd85 - std::sys_common::backtrace::print::h90e1be5f807820fd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x555cb59ccd85 - std::panicking::default_hook::{{closure}}::h64ef54940ad062b0
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x555cb59ccac7 - std::panicking::default_hook::h794b8efaef8c52a7
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x555cb59cd342 - std::panicking::rust_panic_with_hook::hf800da7e887fcff1
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x555cb59ccf2b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x555cb59cce9b - std::panicking::begin_panic_fmt::h59b69345c1247280
[INFO] [stderr]                                at src/libstd/panicking.rs:332
[INFO] [stderr]   13:     0x555cb59bce29 - build_script_build::build_klt::{{closure}}::h8201d20f8b6d2d24
[INFO] [stderr]                                at build/build.rs:33
[INFO] [stderr]   14:     0x555cb59bf45f - core::result::Result<T,E>::unwrap_or_else::hd486418b9e1aa09d
[INFO] [stderr]                                at /rustc/f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f/src/libcore/result.rs:851
[INFO] [stderr]   15:     0x555cb59bc97c - build_script_build::build_klt::h8f593aacfa75fec9
[INFO] [stderr]                                at build/build.rs:32
[INFO] [stderr]   16:     0x555cb59bcfc9 - build_script_build::main::hc85057791eefa051
[INFO] [stderr]                                at build/build.rs:52
[INFO] [stderr]   17:     0x555cb59c12cb - std::rt::lang_start::{{closure}}::h741d838e9e56aa6f
[INFO] [stderr]                                at /rustc/f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x555cb59cce53 - std::rt::lang_start_internal::{{closure}}::h360113331af02229
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x555cb59cce53 - std::panicking::try::do_call::ha612e7f8c0b436a4
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   20:     0x555cb59d3327 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   21:     0x555cb59cd7e9 - std::panicking::try::h8aca2792a95a880f
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   22:     0x555cb59cd7e9 - std::panic::catch_unwind::h9cfbfcb59df7e8b7
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x555cb59cd7e9 - std::rt::lang_start_internal::h822b268fd360d84f
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   24:     0x555cb59c12a7 - std::rt::lang_start::hba8b50362d309204
[INFO] [stderr]                                at /rustc/f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x555cb59bcffa - main
[INFO] [stderr]   26:     0x7f9eb5094b97 - __libc_start_main
[INFO] [stderr]   27:     0x555cb59bad2a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "ffa094a9adbd3fabc38dca0709467994aaa1926b369777a905f37a4912e2307c"`
[INFO] running `"docker" "rm" "-f" "ffa094a9adbd3fabc38dca0709467994aaa1926b369777a905f37a4912e2307c"`
[INFO] [stdout] ffa094a9adbd3fabc38dca0709467994aaa1926b369777a905f37a4912e2307c