[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]    8c98169..731d693  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 731d693fbb592bd95ecdf03ebc73507ef6377e10
[INFO] checking couchbaselabs/couchbase-shell against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcouchbaselabs%2Fcouchbase-shell" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/couchbaselabs/couchbase-shell on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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-1/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] c7a9794a9eb1d00adc732515eaa6cfbf113144145f39d691b19ee03d25dd905f
[INFO] running `"docker" "start" "-a" "c7a9794a9eb1d00adc732515eaa6cfbf113144145f39d691b19ee03d25dd905f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling inventory v0.1.6
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]     Checking byte-unit v3.0.3
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]    Compiling sysinfo v0.12.0
[INFO] [stderr]    Compiling battery v0.7.5
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking trash v1.0.0
[INFO] [stderr]     Checking filesize v0.2.0
[INFO] [stderr]     Checking umask v0.1.8
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking roxmltree v0.10.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rust-embed-utils v5.0.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking uom v0.26.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling libgit2-sys v0.12.5+1.0.0
[INFO] [stderr]    Compiling decimal v2.0.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]    Compiling couchbase v1.0.0-alpha.4 (https://github.com/couchbaselabs/couchbase-rs#ec75a269)
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.10
[INFO] [stderr]    Compiling inventory-impl v0.1.6
[INFO] [stderr]    Compiling ctor v0.1.14
[INFO] [stderr]    Compiling typetag-impl v0.1.4
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling snafu-derive v0.6.7
[INFO] [stderr]    Compiling starship_module_config_derive v0.1.1
[INFO] [stderr]    Compiling rust-embed-impl v5.5.1
[INFO] [stderr] error: could not compile `nix`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.17.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=2b6d59da32c8e995 -C extra-filename=-2b6d59da32c8e995 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-70e77636c03efb79.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-56170cb967ab483a.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0f6cb651d5843c8e.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-e1afd2000304605d.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `typetag-impl`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name typetag_impl --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typetag-impl-0.1.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=2403c39d87c29f64 -C extra-filename=-2403c39d87c29f64 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c67fce0d1931460a.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1f56fd9360c040f8.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-8af3ba86a7c3e006.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c7a9794a9eb1d00adc732515eaa6cfbf113144145f39d691b19ee03d25dd905f"`
[INFO] running `"docker" "rm" "-f" "c7a9794a9eb1d00adc732515eaa6cfbf113144145f39d691b19ee03d25dd905f"`
[INFO] [stdout] c7a9794a9eb1d00adc732515eaa6cfbf113144145f39d691b19ee03d25dd905f