[INFO] cloning repository https://github.com/rrreeeyyy/mrusty-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rrreeeyyy/mrusty-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrreeeyyy%2Fmrusty-example"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrreeeyyy%2Fmrusty-example'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 00ac89f1e7189016c99f61bb11281072b7615ee2 [INFO] checking rrreeeyyy/mrusty-example against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrreeeyyy%2Fmrusty-example" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rrreeeyyy/mrusty-example on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/rrreeeyyy/mrusty-example [INFO] finished tweaking git repo https://github.com/rrreeeyyy/mrusty-example [INFO] tweaked toml for git repo https://github.com/rrreeeyyy/mrusty-example written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/rrreeeyyy/mrusty-example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mrusty v1.0.0 [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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 194e50cf5fa4d6237236eba622b36eddd2694939d44ff7a587e084bb2506f23a [INFO] running `"docker" "start" "-a" "194e50cf5fa4d6237236eba622b36eddd2694939d44ff7a587e084bb2506f23a"` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling walkdir v0.1.8 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling filetime v0.2.7 [INFO] [stderr] Compiling tar v0.4.26 [INFO] [stderr] Compiling mrusty v1.0.0 [INFO] [stderr] error: failed to run custom build command for `mrusty v1.0.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mrusty-39759c9add0b1393/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: Other, error: TarError { desc: "failed to create `target`", io: Os { code: 30, kind: Other, message: "Read-only file system" } } }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5616341c07fa - backtrace::backtrace::libunwind::trace::h62ee5d8325268128 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5616341c07fa - backtrace::backtrace::trace_unsynchronized::h0c2dcc20fbafc255 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5616341c07fa - std::sys_common::backtrace::_print_fmt::h5452375970baa944 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5616341c07fa - ::fmt::hdcdebd1ff29cf05e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x5616341e17cc - core::fmt::write::h1a9d5001c75dea4b [INFO] [stderr] at src/libcore/fmt/mod.rs:1028 [INFO] [stderr] 5: 0x5616341bc717 - std::io::Write::write_fmt::hc50d5b4b29eeddb4 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x5616341c2dee - std::sys_common::backtrace::_print::hd026679112716709 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x5616341c2dee - std::sys_common::backtrace::print::hc2cd7cb69b3121ae [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x5616341c2dee - std::panicking::default_hook::{{closure}}::hac834639b20b63f7 [INFO] [stderr] at src/libstd/panicking.rs:187 [INFO] [stderr] 9: 0x5616341c2af1 - std::panicking::default_hook::h2fc956babc86e97d [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 10: 0x5616341c3495 - std::panicking::rust_panic_with_hook::hb65306f2c92eac01 [INFO] [stderr] at src/libstd/panicking.rs:467 [INFO] [stderr] 11: 0x5616341c3032 - std::panicking::continue_panic_fmt::h22291b07d0b7f087 [INFO] [stderr] at src/libstd/panicking.rs:374 [INFO] [stderr] 12: 0x5616341c2f26 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:301 [INFO] [stderr] 13: 0x5616341dee4a - core::panicking::panic_fmt::h2df585b32c0e3baa [INFO] [stderr] at src/libcore/panicking.rs:84 [INFO] [stderr] 14: 0x5616341def47 - core::result::unwrap_failed::h85805d40729c1e11 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x56163419a1a9 - core::result::Result::unwrap::hcbdf0b44542215b9 [INFO] [stderr] at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x561634116d82 - build_script_build::main::h95c454a87c55d732 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mrusty-1.0.0/build.rs:26 [INFO] [stderr] 17: 0x561634118fc0 - std::rt::lang_start::{{closure}}::h4550d680267bb5bd [INFO] [stderr] at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libstd/rt.rs:61 [INFO] [stderr] 18: 0x5616341c2f13 - std::rt::lang_start_internal::{{closure}}::hbff5fe9c19d221a8 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x5616341c2f13 - std::panicking::try::do_call::h330d2d9ad3936443 [INFO] [stderr] at src/libstd/panicking.rs:286 [INFO] [stderr] 20: 0x5616341cbb2a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x5616341c398d - std::panicking::try::h0001f4cc821eb44d [INFO] [stderr] at src/libstd/panicking.rs:265 [INFO] [stderr] 22: 0x5616341c398d - std::panic::catch_unwind::hc7071df6aa2e6fb8 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x5616341c398d - std::rt::lang_start_internal::hd852b1b003ba5a93 [INFO] [stderr] at src/libstd/rt.rs:47 [INFO] [stderr] 24: 0x561634118f99 - std::rt::lang_start::hf3e1178549c5bcde [INFO] [stderr] at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libstd/rt.rs:61 [INFO] [stderr] 25: 0x5616341172ba - main [INFO] [stderr] 26: 0x7f77bb43db97 - __libc_start_main [INFO] [stderr] 27: 0x561634116b1a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "194e50cf5fa4d6237236eba622b36eddd2694939d44ff7a587e084bb2506f23a"` [INFO] running `"docker" "rm" "-f" "194e50cf5fa4d6237236eba622b36eddd2694939d44ff7a587e084bb2506f23a"` [INFO] [stdout] 194e50cf5fa4d6237236eba622b36eddd2694939d44ff7a587e084bb2506f23a