[INFO] fetching crate convco 0.2.2... [INFO] checking convco-0.2.2 against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548 [INFO] extracting crate convco 0.2.2 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate convco 0.2.2 on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68 [INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate convco 0.2.2 [INFO] finished tweaking crates.io crate convco 0.2.2 [INFO] tweaked toml for crates.io crate convco 0.2.2 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate convco 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] 678a98661bdcaa0df2f8f830bd35fa10fd229c4ce5d82e12acbca753ab2573eb [INFO] running `"docker" "start" "-a" "678a98661bdcaa0df2f8f830bd35fa10fd229c4ce5d82e12acbca753ab2573eb"` [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Compiling jobserver v0.1.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libgit2-sys v0.10.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Checking git2 v0.11.0 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling proc-macro-error v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.9 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Compiling structopt v0.3.9 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Compiling convco v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `convco v0.2.2 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/convco-842c57a77057a323/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:11:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a0cc2399b4 - backtrace::backtrace::libunwind::trace::h24a5370b1319bd7a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55a0cc2399b4 - backtrace::backtrace::trace_unsynchronized::h379c9792f6ef4460 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a0cc2399b4 - std::sys_common::backtrace::_print_fmt::h3a5b75e57443723b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55a0cc2399b4 - ::fmt::h687231ba2da68c61 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55a0cc25339c - core::fmt::write::hcd5b491a4c454b4c [INFO] [stderr] at src/libcore/fmt/mod.rs:1053 [INFO] [stderr] 5: 0x55a0cc237ab7 - std::io::Write::write_fmt::h1941e8ffe6b84e9d [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55a0cc23be25 - std::sys_common::backtrace::_print::h7d1ce732706a3f42 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55a0cc23be25 - std::sys_common::backtrace::print::h5a2c706016c622b7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55a0cc23be25 - std::panicking::default_hook::{{closure}}::h8bfd3f5bb7a4dc18 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x55a0cc23bb67 - std::panicking::default_hook::h4d543fda461ebcf5 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x55a0cc23c3e2 - std::panicking::rust_panic_with_hook::h19e61792824f3a44 [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x55a0cc23bfcb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x55a0cc252711 - core::panicking::panic_fmt::h964c909962d2459f [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55a0cc252533 - core::option::expect_none_failed::hcb1aac314c055b07 [INFO] [stderr] at src/libcore/option.rs:1211 [INFO] [stderr] 14: 0x55a0cc1b7830 - core::result::Result::unwrap::had8505531bce1c82 [INFO] [stderr] at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libcore/result.rs:1003 [INFO] [stderr] 15: 0x55a0cc1b395a - build_script_build::main::h95e6e36d671d8457 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:11 [INFO] [stderr] 16: 0x55a0cc1b874b - std::rt::lang_start::{{closure}}::h8f5bbfd704e129b8 [INFO] [stderr] at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55a0cc23bef3 - std::rt::lang_start_internal::{{closure}}::h61d5c3451bec072d [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55a0cc23bef3 - std::panicking::try::do_call::hdd0e17410f503003 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x55a0cc23e307 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x55a0cc23c889 - std::panicking::try::h8119bff16c4e7a4b [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x55a0cc23c889 - std::panic::catch_unwind::hd3df37601ad6cabd [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55a0cc23c889 - std::rt::lang_start_internal::hf39ed062aa77af27 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x55a0cc1b8727 - std::rt::lang_start::hba09c334306c911e [INFO] [stderr] at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x55a0cc1b72fa - main [INFO] [stderr] 25: 0x7fbfb233fb97 - __libc_start_main [INFO] [stderr] 26: 0x55a0cc1b377a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "678a98661bdcaa0df2f8f830bd35fa10fd229c4ce5d82e12acbca753ab2573eb"` [INFO] running `"docker" "rm" "-f" "678a98661bdcaa0df2f8f830bd35fa10fd229c4ce5d82e12acbca753ab2573eb"` [INFO] [stdout] 678a98661bdcaa0df2f8f830bd35fa10fd229c4ce5d82e12acbca753ab2573eb