[INFO] updating cached repository https://github.com/rrreeeyyy/mrusty-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 00ac89f1e7189016c99f61bb11281072b7615ee2 [INFO] checking rrreeeyyy/mrusty-example against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140 [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 ba72b15666b2491415aec703a02c2364fe5e2790 [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 758fb148ac3785f60b2dd8ade302d3e0899427bc1c7d197a69e9a210d4015077 [INFO] running `"docker" "start" "-a" "758fb148ac3785f60b2dd8ade302d3e0899427bc1c7d197a69e9a210d4015077"` [INFO] [stderr] Compiling filetime v0.2.9 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling walkdir v0.1.8 [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-a7fd4db9137bc758/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" } } }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mrusty-1.0.0/build.rs:26:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5586cfbd0024 - backtrace::backtrace::libunwind::trace::ha1e5a41b7d3ba0cf [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5586cfbd0024 - backtrace::backtrace::trace_unsynchronized::hf18b8c2f3ff8383d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5586cfbd0024 - std::sys_common::backtrace::_print_fmt::hedecd22228c490e0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5586cfbd0024 - ::fmt::h340395315789722a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5586cfbf66ac - core::fmt::write::h0facfeb5ca58bc9e [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x5586cfbcc0e3 - std::io::Write::write_fmt::h497f72bb257eb6ad [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x5586cfbd2865 - std::sys_common::backtrace::_print::h6eaeb972ca7f43b9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5586cfbd2865 - std::sys_common::backtrace::print::h263d3fc63b334d91 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5586cfbd2865 - std::panicking::default_hook::{{closure}}::h64185686d42f14f7 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5586cfbd25a2 - std::panicking::default_hook::h8d87bde850f1425e [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5586cfbd2e72 - std::panicking::rust_panic_with_hook::h066ce8fe1fd73277 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x5586cfbd2a5b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x5586cfbf5a91 - core::panicking::panic_fmt::h8cf5d83db03cfc35 [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x5586cfbf58b3 - core::option::expect_none_failed::h008dc3b23dbfb91c [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x5586cfb95e90 - core::result::Result::unwrap::h70573695660e9865 [INFO] [stderr] at /rustc/ba72b15666b2491415aec703a02c2364fe5e2790/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5586cfb3d471 - build_script_build::main::h0aaef51ddd1e5bc0 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mrusty-1.0.0/build.rs:26 [INFO] [stderr] 16: 0x5586cfb3da7b - std::rt::lang_start::{{closure}}::hf8ec4c7cda9e6f3c [INFO] [stderr] at /rustc/ba72b15666b2491415aec703a02c2364fe5e2790/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5586cfbd32b8 - std::rt::lang_start_internal::{{closure}}::hc6afa970c742b02f [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5586cfbd32b8 - std::panicking::try::do_call::h1c002a9a857ea77b [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5586cfbd32b8 - std::panicking::try::hccaa00db5e9f336f [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x5586cfbd32b8 - std::panic::catch_unwind::h3fae1eafc1fa8e97 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5586cfbd32b8 - std::rt::lang_start_internal::hfc8f39fad1a9db56 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5586cfb3da57 - std::rt::lang_start::h4032e8964922a18f [INFO] [stderr] at /rustc/ba72b15666b2491415aec703a02c2364fe5e2790/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5586cfb3da0a - main [INFO] [stderr] 24: 0x7f8da7927b97 - __libc_start_main [INFO] [stderr] 25: 0x5586cfb3c5fa - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "758fb148ac3785f60b2dd8ade302d3e0899427bc1c7d197a69e9a210d4015077"` [INFO] running `"docker" "rm" "-f" "758fb148ac3785f60b2dd8ade302d3e0899427bc1c7d197a69e9a210d4015077"` [INFO] [stdout] 758fb148ac3785f60b2dd8ade302d3e0899427bc1c7d197a69e9a210d4015077