[INFO] cloning repository https://github.com/MengLing-L/find3quare [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MengLing-L/find3quare" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMengLing-L%2Ffind3quare", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMengLing-L%2Ffind3quare'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 29c8c3128d6c2c9971a1a0f87d1856eb873085b6 [INFO] checking MengLing-L/find3quare/29c8c3128d6c2c9971a1a0f87d1856eb873085b6 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMengLing-L%2Ffind3quare" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MengLing-L/find3quare on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MengLing-L/find3quare [INFO] finished tweaking git repo https://github.com/MengLing-L/find3quare [INFO] tweaked toml for git repo https://github.com/MengLing-L/find3quare written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MengLing-L/find3quare already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-ident v1.0.2 [INFO] [stderr] Downloaded serde v1.0.139 [INFO] [stderr] Downloaded libloading v0.8.1 [INFO] [stderr] Downloaded rust-gmp v0.5.0 [INFO] [stderr] Downloaded serde_derive v1.0.139 [INFO] [stderr] Downloaded cc v1.0.89 [INFO] [stderr] Downloaded syn v2.0.52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fd45fa12840097b80d88f4e5cde706cfe1c735e4ca7f222713c83ef2388cc31 [INFO] running `Command { std: "docker" "start" "-a" "0fd45fa12840097b80d88f4e5cde706cfe1c735e4ca7f222713c83ef2388cc31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fd45fa12840097b80d88f4e5cde706cfe1c735e4ca7f222713c83ef2388cc31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fd45fa12840097b80d88f4e5cde706cfe1c735e4ca7f222713c83ef2388cc31", kill_on_drop: false }` [INFO] [stdout] 0fd45fa12840097b80d88f4e5cde706cfe1c735e4ca7f222713c83ef2388cc31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e98ef07e5a72df9e5df4e34a7515f915a21b399df4989410d2596805ab57a8a3 [INFO] running `Command { std: "docker" "start" "-a" "e98ef07e5a72df9e5df4e34a7515f915a21b399df4989410d2596805ab57a8a3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Compiling cc v1.0.89 [INFO] [stderr] Compiling dunce v1.0.4 [INFO] [stderr] Checking foreign-types-shared v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking libloading v0.8.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling find3squares v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rust-gmp v0.5.0 [INFO] [stderr] error: failed to run custom build command for `find3squares v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/find3squares-6d12cdd0a08f729e/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] Status: exit status: 1 [INFO] [stderr] stdout: [INFO] [stderr] stderr: rm: cannot remove 'librust_three_square.a': Read-only file system [INFO] [stderr] rm: cannot remove 'rust_three_square.o': Read-only file system [INFO] [stderr] clang: warning: -lgmp: 'linker' input unused [-Wunused-command-line-argument] [INFO] [stderr] clang: warning: -Z-reserved-lib-stdc++: 'linker' input unused [-Wunused-command-line-argument] [INFO] [stderr] error: unable to open output file 'rust_three_square.o': 'Operation not permitted' [INFO] [stderr] 1 error generated. [INFO] [stderr] ar: could not create temporary file whilst writing archive: no more archived files [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at build.rs:21:9: [INFO] [stderr] Command executed with failing error code [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5b7dedafbc0a - std::backtrace_rs::backtrace::libunwind::trace::h97abfd8a85887826 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x5b7dedafbc0a - std::backtrace_rs::backtrace::trace_unsynchronized::h3fe33c3e2ffb6416 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5b7dedafbc0a - std::sys::backtrace::_print_fmt::hdf29e1ca2ba4cbbc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5b7dedafbc0a - ::fmt::h731c3e1b756ff019 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5b7dedb1bc7b - core::fmt::rt::Argument::fmt::hdfecaf84742c5a76 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/rt.rs:177:76 [INFO] [stderr] 5: 0x5b7dedb1bc7b - core::fmt::write::h9c97613a183100ea [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/fmt/mod.rs:1186:21 [INFO] [stderr] 6: 0x5b7dedaf8ea3 - std::io::Write::write_fmt::h7288d7c7dce2722e [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/io/mod.rs:1823:15 [INFO] [stderr] 7: 0x5b7dedafba52 - std::sys::backtrace::BacktraceLock::print::h2bc6f048c13121f8 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x5b7dedafcd17 - std::panicking::default_hook::{{closure}}::hde92e91975a101c0 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:268:22 [INFO] [stderr] 9: 0x5b7dedafcb46 - std::panicking::default_hook::hd8d6e2273bfc5edc [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:295:9 [INFO] [stderr] 10: 0x5b7dedafd317 - std::panicking::rust_panic_with_hook::hb332f821833efd3b [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:801:13 [INFO] [stderr] 11: 0x5b7dedad649a - std::panicking::begin_panic::{{closure}}::hdbf5865dd748b65e [INFO] [stderr] 12: 0x5b7dedad2386 - std::sys::backtrace::__rust_end_short_backtrace::h7e3bf8aba622fc0d [INFO] [stderr] 13: 0x5b7dedad644e - std::panicking::begin_panic::h57b40e82da6a2e58 [INFO] [stderr] 14: 0x5b7dedad4f9b - build_script_build::main::h0827786796440b71 [INFO] [stderr] 15: 0x5b7dedad67e3 - core::ops::function::FnOnce::call_once::hea9f61fbda67f61f [INFO] [stderr] 16: 0x5b7dedad2396 - std::sys::backtrace::__rust_begin_short_backtrace::hb8f7b8b13ce28290 [INFO] [stderr] 17: 0x5b7dedad2369 - std::rt::lang_start::{{closure}}::h18434452a211473f [INFO] [stderr] 18: 0x5b7dedaf60e0 - core::ops::function::impls:: for &F>::call_once::h00708edcd5cb0bf9 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 19: 0x5b7dedaf60e0 - std::panicking::try::do_call::h3211acb5ef596e26 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 20: 0x5b7dedaf60e0 - std::panicking::try::hfc77046d1a78b97f [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 21: 0x5b7dedaf60e0 - std::panic::catch_unwind::h8cc6f9c887e41bb5 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 22: 0x5b7dedaf60e0 - std::rt::lang_start_internal::{{closure}}::h1ae7a528cb090b94 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:48 [INFO] [stderr] 23: 0x5b7dedaf60e0 - std::panicking::try::do_call::h7b341eaacca88c96 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:557:40 [INFO] [stderr] 24: 0x5b7dedaf60e0 - std::panicking::try::h2190145387d00b24 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panicking.rs:520:19 [INFO] [stderr] 25: 0x5b7dedaf60e0 - std::panic::catch_unwind::h39d0834a21ce2b28 [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/panic.rs:348:14 [INFO] [stderr] 26: 0x5b7dedaf60e0 - std::rt::lang_start_internal::hf1cb939424e8449c [INFO] [stderr] at /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/std/src/rt.rs:143:20 [INFO] [stderr] 27: 0x5b7dedad2347 - std::rt::lang_start::h00f518491f95a5b9 [INFO] [stderr] 28: 0x5b7dedad52f5 - main [INFO] [stderr] 29: 0x704125cd1d90 - [INFO] [stderr] 30: 0x704125cd1e40 - __libc_start_main [INFO] [stderr] 31: 0x5b7dedad1f25 - _start [INFO] [stderr] 32: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e98ef07e5a72df9e5df4e34a7515f915a21b399df4989410d2596805ab57a8a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e98ef07e5a72df9e5df4e34a7515f915a21b399df4989410d2596805ab57a8a3", kill_on_drop: false }` [INFO] [stdout] e98ef07e5a72df9e5df4e34a7515f915a21b399df4989410d2596805ab57a8a3