[INFO] fetching crate klt-sys 0.1.0...
[INFO] building klt-sys-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate klt-sys 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate klt-sys 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdf3612466c791345a91f4c96a459a7950a22dfc63dc8d4870864beecc21a8ac
[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" "fdf3612466c791345a91f4c96a459a7950a22dfc63dc8d4870864beecc21a8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf3612466c791345a91f4c96a459a7950a22dfc63dc8d4870864beecc21a8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf3612466c791345a91f4c96a459a7950a22dfc63dc8d4870864beecc21a8ac", kill_on_drop: false }`
[INFO] [stdout] fdf3612466c791345a91f4c96a459a7950a22dfc63dc8d4870864beecc21a8ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1be826228f497183f5590b32c44f74166fe90cc010ab08949cd7fa3d2b7a25d4
[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" "1be826228f497183f5590b32c44f74166fe90cc010ab08949cd7fa3d2b7a25d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[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-27e54c0c38e0ee58/build-script-build` (exit status: 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:     0x564581603350 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x564581603350 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564581603350 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x564581603350 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x564581620caf - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x564581601985 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x564581604f8b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x564581604f8b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x564581604f8b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x564581604a6d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56458160553d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x564581605137 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56458160380c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x564581605099 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5645815e9b6b - std::panicking::begin_panic_fmt::hf43a0025042538e2
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:435:5
[INFO] [stderr]     15:     0x5645815eff1e - build_script_build::build_klt::{{closure}}::h0476c2a547c4928b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build/build.rs:33:40
[INFO] [stderr]     16:     0x5645815edfb0 - core::result::Result<T,E>::unwrap_or_else::h63ce0839616c9b05
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/result.rs:821:23
[INFO] [stderr]     17:     0x5645815efa92 - build_script_build::build_klt::ha2ccf4909bb4bbe1
[INFO] [stderr]                                  at /opt/rustwide/workdir/build/build.rs:32:15
[INFO] [stderr]     18:     0x5645815f00e3 - build_script_build::main::h2c7ad99e5c0711e0
[INFO] [stderr]                                  at /opt/rustwide/workdir/build/build.rs:52:5
[INFO] [stderr]     19:     0x5645815ec8db - core::ops::function::FnOnce::call_once::hbc93250b823234e8
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5645815f094e - std::sys_common::backtrace::__rust_begin_short_backtrace::h357f7c7ee8eb260c
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5645815eeb51 - std::rt::lang_start::{{closure}}::h752cb3cd3ac99a7e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x56458160593a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56458160593a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x56458160593a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x56458160593a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x56458160593a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x5645815eeb30 - std::rt::lang_start::h83c9ca7f2121d20c
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x5645815f010c - main
[INFO] [stderr]     29:     0x7fa9d67ff0b3 - __libc_start_main
[INFO] [stderr]     30:     0x5645815ea89e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1be826228f497183f5590b32c44f74166fe90cc010ab08949cd7fa3d2b7a25d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be826228f497183f5590b32c44f74166fe90cc010ab08949cd7fa3d2b7a25d4", kill_on_drop: false }`
[INFO] [stdout] 1be826228f497183f5590b32c44f74166fe90cc010ab08949cd7fa3d2b7a25d4
