[INFO] updating cached repository https://github.com/couchbaselabs/couchbase-shell
[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] [stderr] From https://github.com/couchbaselabs/couchbase-shell
[INFO] [stderr]    9b995bd..5de9ed9  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5de9ed91b05b66c2404e95db5ab095ee97ca023a
[INFO] checking couchbaselabs/couchbase-shell against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcouchbaselabs%2Fcouchbase-shell" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/couchbaselabs/couchbase-shell on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/couchbaselabs/couchbase-shell
[INFO] finished tweaking git repo https://github.com/couchbaselabs/couchbase-shell
[INFO] tweaked toml for git repo https://github.com/couchbaselabs/couchbase-shell written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/couchbaselabs/couchbase-shell already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "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] 6c0b60ca128bb5c557c5b22bde699e1ce5c361cac9c98aadb3486249454c5dda
[INFO] running `"docker" "start" "-a" "6c0b60ca128bb5c557c5b22bde699e1ce5c361cac9c98aadb3486249454c5dda"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking byte-unit v3.0.3
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]     Checking natural v0.3.0
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]    Compiling battery v0.7.5
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]     Checking xmlparser v0.13.0
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking open v1.3.4
[INFO] [stderr]     Checking umask v0.1.8
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking trash v1.0.0
[INFO] [stderr]     Checking filesize v0.1.0
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking roxmltree v0.9.1
[INFO] [stderr]     Checking rust-embed-utils v5.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling nom-tracable-macros v0.4.1
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling ctor v0.1.13
[INFO] [stderr]    Compiling inventory-impl v0.1.5
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling enumflags2_derive v0.6.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling starship_module_config_derive v0.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling snafu-derive v0.6.2
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling rust-embed-impl v5.5.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking inventory v0.1.5
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]     Checking enumflags2 v0.6.2
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rust-embed v5.5.0
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking headers v0.3.1
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking snafu v0.6.2
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/xcb-bd15079f39272caf/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] error occured in handler:  ('error:   ', ('xcb', 'XPrint', 'BadSequence'))
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 2448, in <module>
[INFO] [stderr]     module.generate()
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xcbgen/state.py", line 108, in generate
[INFO] [stderr]     self.close()
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 296, in rs_close
[INFO] [stderr]     _f.writeout(os.path.join(module.rs_srcdir, "ffi", "%s.rs" % _module_name(_ns.ext_name)))
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/rs_client.py", line 114, in writeout
[INFO] [stderr]     with open(path, 'w') as f:
[INFO] [stderr] OSError: [Errno 30] Read-only file system: '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/src/ffi/x_print.rs'
[INFO] [stderr] thread 'main' panicked at 'processing of /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/xml/xprint.xml returned non-zero (1)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562f763296a4 - backtrace::backtrace::libunwind::trace::hdbfb90b3ac3ad82c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x562f763296a4 - backtrace::backtrace::trace_unsynchronized::hdc2d8de557dbdcaf
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562f763296a4 - std::sys_common::backtrace::_print_fmt::hc847b4cbd733969c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x562f763296a4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1834f0d5f0f485d9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x562f7634723c - core::fmt::write::h6932942104d5f1ae
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x562f76327133 - std::io::Write::write_fmt::h6ea75dc393077354
[INFO] [stderr]                                at src/libstd/io/mod.rs:1427
[INFO] [stderr]    6:     0x562f7632bcd5 - std::sys_common::backtrace::_print::hbdd2af06305a234c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x562f7632bcd5 - std::sys_common::backtrace::print::hfa2e5bb1407a0009
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x562f7632bcd5 - std::panicking::default_hook::{{closure}}::h4196b1a9c9da64a2
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x562f7632ba22 - std::panicking::default_hook::h853dd04629d084b0
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x562f7632c2e2 - std::panicking::rust_panic_with_hook::h06766489222c5b1f
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x562f7632becb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x562f7632be3b - std::panicking::begin_panic_fmt::hc7b7589fb51b5435
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   13:     0x562f76316afc - build_script_build::main::{{closure}}::hcf3932f456a093dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:75
[INFO] [stderr]   14:     0x562f76315793 - build_script_build::visit_xml::h6fcdd04fc8e34530
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:20
[INFO] [stderr]   15:     0x562f76315ef5 - build_script_build::main::hf1aaea0eb417a8a4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xcb-0.8.2/build.rs:56
[INFO] [stderr]   16:     0x562f7631925b - std::rt::lang_start::{{closure}}::ha31db498c0eca202
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x562f7632c7af - std::rt::lang_start_internal::{{closure}}::hdaffbcc57d598c5f
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x562f7632c7af - std::panicking::try::do_call::hc1832c62abd55478
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x562f7632c7af - std::panicking::try::h23d1892813e46504
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x562f7632c7af - std::panic::catch_unwind::hdb5524bedfc6db1f
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x562f7632c7af - std::rt::lang_start_internal::h2ab9efcdfcc44c95
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x562f76319237 - std::rt::lang_start::h8386487674b86dbc
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x562f76316baa - main
[INFO] [stderr]   24:     0x7f38b4c7cb97 - __libc_start_main
[INFO] [stderr]   25:     0x562f76314f6a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6c0b60ca128bb5c557c5b22bde699e1ce5c361cac9c98aadb3486249454c5dda"`
[INFO] running `"docker" "rm" "-f" "6c0b60ca128bb5c557c5b22bde699e1ce5c361cac9c98aadb3486249454c5dda"`
[INFO] [stdout] 6c0b60ca128bb5c557c5b22bde699e1ce5c361cac9c98aadb3486249454c5dda