[INFO] crate klt-sys 0.1.0 is already in cache
[INFO] checking klt-sys-0.1.0 against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] extracting crate klt-sys 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate klt-sys 0.1.0 on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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] da24fe73503e0eb15cc3a8b5258aa18a0738d575e60c563c6c953853ec0fc6bf
[INFO] running `"docker" "start" "-a" "da24fe73503e0eb15cc3a8b5258aa18a0738d575e60c563c6c953853ec0fc6bf"`
[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-813f44a976f9ab62/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:     0x558b3205fdb4 - backtrace::backtrace::libunwind::trace::h88f00a8d3895ea10
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x558b3205fdb4 - backtrace::backtrace::trace_unsynchronized::h4ca1df924c7b5901
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x558b3205fdb4 - std::sys_common::backtrace::_print_fmt::had352bd7b8affceb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:84
[INFO] [stderr]    3:     0x558b3205fdb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4404b586f9ddad5f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x558b3207cd2c - core::fmt::write::h1ef5ea597ad3e25e
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x558b3205e247 - std::io::Write::write_fmt::h5cbe88edfb9ad8f5
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x558b32061d1e - std::sys_common::backtrace::_print::h5d62b222153b0a57
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x558b32061d1e - std::sys_common::backtrace::print::hb580dac9bf29d123
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x558b32061d1e - std::panicking::default_hook::{{closure}}::h072d6b5ce4fd5ca1
[INFO] [stderr]                                at src/libstd/panicking.rs:193
[INFO] [stderr]    9:     0x558b32061a11 - std::panicking::default_hook::hef4245424db77bd8
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x558b3206234b - std::panicking::rust_panic_with_hook::hf59de39541dfae86
[INFO] [stderr]                                at src/libstd/panicking.rs:471
[INFO] [stderr]   11:     0x558b32061efe - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:375
[INFO] [stderr]   12:     0x558b32061e40 - std::panicking::begin_panic_fmt::hd403c5c14a18b6dd
[INFO] [stderr]                                at src/libstd/panicking.rs:326
[INFO] [stderr]   13:     0x558b32051d9c - build_script_build::build_klt::{{closure}}::ha2f8896894b021ec
[INFO] [stderr]                                at build/build.rs:33
[INFO] [stderr]   14:     0x558b32052447 - core::result::Result<T,E>::unwrap_or_else::haf4db47d2b0fab9b
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libcore/result.rs:841
[INFO] [stderr]   15:     0x558b32051924 - build_script_build::build_klt::h71f240e20c90f793
[INFO] [stderr]                                at build/build.rs:32
[INFO] [stderr]   16:     0x558b32051f29 - build_script_build::main::h83769a7abf48f9d1
[INFO] [stderr]                                at build/build.rs:52
[INFO] [stderr]   17:     0x558b32053db0 - std::rt::lang_start::{{closure}}::h56b90284c37a8919
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x558b32061de3 - std::rt::lang_start_internal::{{closure}}::he22b4dc136dfc0c4
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x558b32061de3 - std::panicking::try::do_call::heddd39178d6a1b25
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x558b3206801a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:78
[INFO] [stderr]   21:     0x558b320627e0 - std::panicking::try::h683b5635b76ee763
[INFO] [stderr]                                at src/libstd/panicking.rs:270
[INFO] [stderr]   22:     0x558b320627e0 - std::panic::catch_unwind::h9540defe988edc8c
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x558b320627e0 - std::rt::lang_start_internal::hdc41c8ad82b2f2e3
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   24:     0x558b32053d89 - std::rt::lang_start::h305e3e02f5a3e873
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x558b32051f5a - main
[INFO] [stderr]   26:     0x7f8460637b97 - __libc_start_main
[INFO] [stderr]   27:     0x558b3204fbca - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "da24fe73503e0eb15cc3a8b5258aa18a0738d575e60c563c6c953853ec0fc6bf"`
[INFO] running `"docker" "rm" "-f" "da24fe73503e0eb15cc3a8b5258aa18a0738d575e60c563c6c953853ec0fc6bf"`
[INFO] [stdout] da24fe73503e0eb15cc3a8b5258aa18a0738d575e60c563c6c953853ec0fc6bf