[INFO] updating cached repository https://github.com/nanotech/dhall-rs [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] 5408abbbabd066f9ffbe030f9f0205dc56e5161c [INFO] checking nanotech/dhall-rs against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nanotech/dhall-rs on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nanotech/dhall-rs [INFO] finished tweaking git repo https://github.com/nanotech/dhall-rs [INFO] tweaked toml for git repo https://github.com/nanotech/dhall-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nanotech/dhall-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 8dd99bee6c386994821cec1737f5dcf8570755fe8d4c9d76180a616b89ca72df [INFO] running `"docker" "start" "-a" "8dd99bee6c386994821cec1737f5dcf8570755fe8d4c9d76180a616b89ca72df"` [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling fixedbitset v0.1.7 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling diff v0.1.10 [INFO] [stderr] Compiling lalrpop-util v0.17.1 [INFO] [stderr] Checking bytecount v0.5.1 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling nom v5.0.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.2 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.1 [INFO] [stderr] Compiling dhall v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `dhall v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/dhall-6cc90673106bc35a/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/grammar.lalrpop` [INFO] [stderr] [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:4:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d65a38c004 - backtrace::backtrace::libunwind::trace::hcdd38e03c5c0ae1d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55d65a38c004 - backtrace::backtrace::trace_unsynchronized::he5bd7c616dadfd7d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55d65a38c004 - std::sys_common::backtrace::_print_fmt::h5c76d4ca71f55821 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55d65a38c004 - ::fmt::h2c8c63d62d7bea1c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55d65a3b028c - core::fmt::write::h97d981a565c87982 [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55d65a389443 - std::io::Write::write_fmt::h76b54795ca4d1941 [INFO] [stderr] at src/libstd/io/mod.rs:1439 [INFO] [stderr] 6: 0x55d65a38e625 - std::sys_common::backtrace::_print::h93fb2909159290d7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55d65a38e625 - std::sys_common::backtrace::print::ha755c3134746c2d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55d65a38e625 - std::panicking::default_hook::{{closure}}::h3a7ab24b109d5437 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55d65a38e362 - std::panicking::default_hook::h2aa3c18a39936382 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55d65a38ec82 - std::panicking::rust_panic_with_hook::h5035e60b675c5c99 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55d65a38e86b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x55d65a3ae9d1 - core::panicking::panic_fmt::h7fe09dc6d8aa54c4 [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x55d65a3ae7f3 - core::option::expect_none_failed::h294957c8cca982d9 [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x55d659aacff3 - core::result::Result::unwrap::hc0a5ced5b843624a [INFO] [stderr] at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55d659aacf03 - build_script_build::main::h79e6fbc1c4f00b5f [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 16: 0x55d659aad09b - std::rt::lang_start::{{closure}}::hd6554a8992b4675d [INFO] [stderr] at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55d65a38f0c8 - std::rt::lang_start_internal::{{closure}}::h749f73f80f2a20f1 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55d65a38f0c8 - std::panicking::try::do_call::h34ae69cab909f7d2 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x55d65a38f0c8 - std::panicking::try::he6d9ae6f665ea78e [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55d65a38f0c8 - std::panic::catch_unwind::hb821659e1ed61148 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55d65a38f0c8 - std::rt::lang_start_internal::hc7231d8ca9ca0aea [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55d659aad077 - std::rt::lang_start::h8ed0cbe956251258 [INFO] [stderr] at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55d659aacf5a - main [INFO] [stderr] 24: 0x7f45934f3b97 - __libc_start_main [INFO] [stderr] 25: 0x55d659aaccea - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "8dd99bee6c386994821cec1737f5dcf8570755fe8d4c9d76180a616b89ca72df"` [INFO] running `"docker" "rm" "-f" "8dd99bee6c386994821cec1737f5dcf8570755fe8d4c9d76180a616b89ca72df"` [INFO] [stdout] 8dd99bee6c386994821cec1737f5dcf8570755fe8d4c9d76180a616b89ca72df