[INFO] updating cached repository https://github.com/ukcrpb6/zookeeper-registrar
[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] dbb0f6d00a54fda37fe4a09c2f68089e2b468250
[INFO] checking ukcrpb6/zookeeper-registrar against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukcrpb6%2Fzookeeper-registrar" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ukcrpb6/zookeeper-registrar on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ukcrpb6/zookeeper-registrar
[INFO] finished tweaking git repo https://github.com/ukcrpb6/zookeeper-registrar
[INFO] tweaked toml for git repo https://github.com/ukcrpb6/zookeeper-registrar written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ukcrpb6/zookeeper-registrar already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] b02720fbee9b683820e620139167df6856420f40adb98ba4451939d09f389de8
[INFO] running `"docker" "start" "-a" "b02720fbee9b683820e620139167df6856420f40adb98ba4451939d09f389de8"`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking itoa v0.4.0
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking uuid v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling zookeeper_derive v0.3.0
[INFO] [stderr]    Compiling serde_derive_internals v0.21.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.33
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking zookeeper v0.4.0
[INFO] [stderr]     Checking ctrlc v3.1.0
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking serde_json v1.0.12
[INFO] [stderr]     Checking zookeeper-registrar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.80s
[INFO] running `"docker" "inspect" "b02720fbee9b683820e620139167df6856420f40adb98ba4451939d09f389de8"`
[INFO] running `"docker" "rm" "-f" "b02720fbee9b683820e620139167df6856420f40adb98ba4451939d09f389de8"`
[INFO] [stdout] b02720fbee9b683820e620139167df6856420f40adb98ba4451939d09f389de8