[INFO] cloning repository https://github.com/jkcclemens/lan_clipboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcclemens/lan_clipboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flan_clipboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flan_clipboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ced07f2a5bca9fa532e7b309ca473f04b991349f
[INFO] testing jkcclemens/lan_clipboard against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flan_clipboard" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcclemens/lan_clipboard on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkcclemens/lan_clipboard
[INFO] finished tweaking git repo https://github.com/jkcclemens/lan_clipboard
[INFO] tweaked toml for git repo https://github.com/jkcclemens/lan_clipboard written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/lan_clipboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protoc v1.4.3
[INFO] [stderr]   Downloaded protoc-rust v1.4.3
[INFO] [stderr]   Downloaded protobuf v1.4.3
[INFO] [stderr]   Downloaded integer-encoding v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2836aa3b09644f64eaa73005f7934cff82c1e18e00e1a2185eba63a81be10dd6
[INFO] running `Command { std: "docker" "start" "-a" "2836aa3b09644f64eaa73005f7934cff82c1e18e00e1a2185eba63a81be10dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2836aa3b09644f64eaa73005f7934cff82c1e18e00e1a2185eba63a81be10dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2836aa3b09644f64eaa73005f7934cff82c1e18e00e1a2185eba63a81be10dd6", kill_on_drop: false }`
[INFO] [stdout] 2836aa3b09644f64eaa73005f7934cff82c1e18e00e1a2185eba63a81be10dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3dd31fd514b42b3427446d379364cda0b2ae6e09ac40961411db3ed831be7af
[INFO] running `Command { std: "docker" "start" "-a" "f3dd31fd514b42b3427446d379364cda0b2ae6e09ac40961411db3ed831be7af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling protobuf v1.4.3
[INFO] [stderr]    Compiling integer-encoding v1.0.5
[INFO] [stderr]    Compiling protoc v1.4.3
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling protoc-rust v1.4.3
[INFO] [stderr]    Compiling lan_clipboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lan_clipboard v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lan_clipboard-1771310483c4a451/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:8:6
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e40e8149dc - std::backtrace_rs::backtrace::libunwind::trace::hf7449935ead7573e
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55e40e8149dc - std::backtrace_rs::backtrace::trace_unsynchronized::h221aa2d88d72372a
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e40e8149dc - std::sys_common::backtrace::_print_fmt::h1c77e8983e1df895
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e40e8149dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4ec41a9a6b0d22c
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55e40e837fbc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55e40e811495 - std::io::Write::write_fmt::haf74340a8cbeaa88
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/io/mod.rs:1660:15
[INFO] [stderr]      6:     0x55e40e816370 - std::sys_common::backtrace::_print::h2d15cd157796a64a
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55e40e816370 - std::sys_common::backtrace::print::h52d286d22e2398eb
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55e40e816370 - std::panicking::default_hook::{{closure}}::h6da08fba6306daf2
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55e40e815f1b - std::panicking::default_hook::h266f67a22e76b11a
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55e40e816a24 - std::panicking::rust_panic_with_hook::he55698a957f4fb6d
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55e40e816500 - std::panicking::begin_panic_handler::{{closure}}::h01f453c3ac181895
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x55e40e814e84 - std::sys_common::backtrace::__rust_end_short_backtrace::h675d77c6e5a3926d
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55e40e816469 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x55e40e5d43c1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x55e40e5d44b3 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/result.rs:1661:5
[INFO] [stderr]     16:     0x55e40e7ed6b6 - core::result::Result<T,E>::unwrap::h8cc9eeeab9d85b80
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/result.rs:1342:23
[INFO] [stderr]     17:     0x55e40e5d4d4b - build_script_build::main::h5f044c5e58c70419
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4:3
[INFO] [stderr]     18:     0x55e40e5d4dfb - core::ops::function::FnOnce::call_once::hc29eec26d266f25a
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55e40e5d4ebe - std::sys_common::backtrace::__rust_begin_short_backtrace::h05c1784100d1ddfe
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     20:     0x55e40e5d4e91 - std::rt::lang_start::{{closure}}::h186e376fe82fc89b
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x55e40e814221 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3ab949a23c24b3b3
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55e40e814221 - std::panicking::try::do_call::hd77545f815897665
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:406:40
[INFO] [stderr]     23:     0x55e40e814221 - std::panicking::try::h7ce07831cfe77010
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:370:19
[INFO] [stderr]     24:     0x55e40e814221 - std::panic::catch_unwind::h3a6382eb739fc3cb
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panic.rs:133:14
[INFO] [stderr]     25:     0x55e40e814221 - std::rt::lang_start_internal::{{closure}}::ha0ce13fbefa6ed19
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x55e40e814221 - std::panicking::try::do_call::hbacbc27e75105135
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:406:40
[INFO] [stderr]     27:     0x55e40e814221 - std::panicking::try::he42832d690a14084
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panicking.rs:370:19
[INFO] [stderr]     28:     0x55e40e814221 - std::panic::catch_unwind::h868b7b91fa924314
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/panic.rs:133:14
[INFO] [stderr]     29:     0x55e40e814221 - std::rt::lang_start_internal::h7797a51a89d842a3
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x55e40e5d4e60 - std::rt::lang_start::h4baa896f386aafa6
[INFO] [stderr]                                  at /rustc/404c8471aba60c2d837fa728e7c729a0f52d5830/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x55e40e5d4d7c - main
[INFO] [stderr]     32:     0x7fac9ca2c0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55e40e5d4b1e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f3dd31fd514b42b3427446d379364cda0b2ae6e09ac40961411db3ed831be7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3dd31fd514b42b3427446d379364cda0b2ae6e09ac40961411db3ed831be7af", kill_on_drop: false }`
[INFO] [stdout] f3dd31fd514b42b3427446d379364cda0b2ae6e09ac40961411db3ed831be7af