[INFO] updating cached repository https://github.com/phynalle/civetcat [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] 50cb20371269df70927ab00be7ccf8b8ece2ef86 [INFO] checking phynalle/civetcat against master#be493fe8cc40c3d3f6030a1313c1ff747fce770d for pr-69129 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphynalle%2Fcivetcat" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phynalle/civetcat on toolchain be493fe8cc40c3d3f6030a1313c1ff747fce770d [INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/phynalle/civetcat [INFO] finished tweaking git repo https://github.com/phynalle/civetcat [INFO] tweaked toml for git repo https://github.com/phynalle/civetcat written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/phynalle/civetcat already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0ab31664cc96a651c2ea662fb5ca1333e9a227ec3893f6ddc58b6626d47f0aaf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "0ab31664cc96a651c2ea662fb5ca1333e9a227ec3893f6ddc58b6626d47f0aaf"` [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Compiling cmake v0.1.29 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Checking clap v2.29.0 [INFO] [stderr] Compiling onig_sys v66.1.4 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Checking onig v2.0.2 [INFO] [stderr] Checking serde_json v1.0.8 [INFO] [stderr] Compiling civetcat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: method is never used: `to_weak` [INFO] [stderr] --> src/syntax/raw_rule.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn to_weak(&self) -> WeakRawRuleRef { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `upgrade` [INFO] [stderr] --> src/syntax/raw_rule.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn upgrade(&self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `civetcat v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/civetcat-5e53e9f17ef97fcc/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:139:17 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e92bb08694 - backtrace::backtrace::libunwind::trace::h85814ed5761b405b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55e92bb08694 - backtrace::backtrace::trace_unsynchronized::h7e14b55873159a50 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55e92bb08694 - std::sys_common::backtrace::_print_fmt::h06984e0f03402a64 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55e92bb08694 - ::fmt::h54c9889fb992fb45 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55e92bb2678c - core::fmt::write::h07730eab2db38382 [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x55e92bb06ce7 - std::io::Write::write_fmt::hbed464fdb7564829 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55e92bb0ab45 - std::sys_common::backtrace::_print::h809bdb75f2567ffd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55e92bb0ab45 - std::sys_common::backtrace::print::hd24101ae6893de76 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55e92bb0ab45 - std::panicking::default_hook::{{closure}}::hb2df444c384c9d7c [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x55e92bb0a886 - std::panicking::default_hook::hee61a28e9920f483 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x55e92bb0b102 - std::panicking::rust_panic_with_hook::h4b802d420faaf7c4 [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x55e92bb0aceb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x55e92bb25021 - core::panicking::panic_fmt::h14dd4a2469d1f31f [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55e92bb24e43 - core::option::expect_none_failed::h533d3ff7c182d86b [INFO] [stderr] at src/libcore/option.rs:1211 [INFO] [stderr] 14: 0x55e92baeabf9 - core::result::Result::unwrap::haa9356a5a033992a [INFO] [stderr] at /rustc/be493fe8cc40c3d3f6030a1313c1ff747fce770d/src/libcore/result.rs:1003 [INFO] [stderr] 15: 0x55e92bacad77 - build_script_build::main::hc1eb8503edc8e8b5 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:139 [INFO] [stderr] 16: 0x55e92bab421b - std::rt::lang_start::{{closure}}::h76397835fa7b0545 [INFO] [stderr] at /rustc/be493fe8cc40c3d3f6030a1313c1ff747fce770d/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55e92bb0ac13 - std::rt::lang_start_internal::{{closure}}::hc91014860c894262 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55e92bb0ac13 - std::panicking::try::do_call::hb7281b56bbedf5f6 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x55e92bb0cb07 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x55e92bb0b5a9 - std::panicking::try::he2ddd46f7d421fa4 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x55e92bb0b5a9 - std::panic::catch_unwind::h96529f74bbd30954 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55e92bb0b5a9 - std::rt::lang_start_internal::h66b23d61651d06fd [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x55e92bab41f7 - std::rt::lang_start::hd928c6d1216911db [INFO] [stderr] at /rustc/be493fe8cc40c3d3f6030a1313c1ff747fce770d/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x55e92bad264a - main [INFO] [stderr] 25: 0x7f28f365eb97 - __libc_start_main [INFO] [stderr] 26: 0x55e92ba8016a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "0ab31664cc96a651c2ea662fb5ca1333e9a227ec3893f6ddc58b6626d47f0aaf"` [INFO] running `"docker" "rm" "-f" "0ab31664cc96a651c2ea662fb5ca1333e9a227ec3893f6ddc58b6626d47f0aaf"` [INFO] [stdout] 0ab31664cc96a651c2ea662fb5ca1333e9a227ec3893f6ddc58b6626d47f0aaf