[INFO] cloning repository https://github.com/joyent/rust-muppet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joyent/rust-muppet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoyent%2Frust-muppet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoyent%2Frust-muppet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13f9909bc0debc0488522f4c5249775ba5e751b7
[INFO] checking joyent/rust-muppet against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoyent%2Frust-muppet" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joyent/rust-muppet on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joyent/rust-muppet
[INFO] finished tweaking git repo https://github.com/joyent/rust-muppet
[INFO] tweaked toml for git repo https://github.com/joyent/rust-muppet written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/joyent/rust-muppet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/kellymclaughlin/bunyan`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-json v2.3.0
[INFO] [stderr]   Downloaded zookeeper v0.5.6
[INFO] [stderr]   Downloaded zookeeper_derive v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc07851824e5d0e226bab6ac1a25a07ccb9e59f22ec476ed8c01e6c0bc4bf66e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc07851824e5d0e226bab6ac1a25a07ccb9e59f22ec476ed8c01e6c0bc4bf66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc07851824e5d0e226bab6ac1a25a07ccb9e59f22ec476ed8c01e6c0bc4bf66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc07851824e5d0e226bab6ac1a25a07ccb9e59f22ec476ed8c01e6c0bc4bf66e", kill_on_drop: false }`
[INFO] [stdout] bc07851824e5d0e226bab6ac1a25a07ccb9e59f22ec476ed8c01e6c0bc4bf66e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80776f20a14f59b4474fcc221b7c101dd156ac803a23fe7a371989fa0a817695
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80776f20a14f59b4474fcc221b7c101dd156ac803a23fe7a371989fa0a817695", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling zookeeper_derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking zookeeper v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking slog-bunyan v2.1.1-pre (https://github.com/kellymclaughlin/bunyan?branch=build-on-smartos#986664e3)
[INFO] [stderr]     Checking rust-muppet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:40:65
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn read_file<P: AsRef<Path>>(path: P) -> Result<Config, Box<Error>> {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config.rs:40:65
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn read_file<P: AsRef<Path>>(path: P) -> Result<Config, Box<Error>> {
[INFO] [stdout]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_untrusted_ips(c: &Config) -> Vec<Ipv4Addr> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uips`
[INFO] [stdout]   --> src/main.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_uips`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_untrusted_ips(c: &Config) -> Vec<Ipv4Addr> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uips`
[INFO] [stdout]   --> src/main.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_uips`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.09s
[INFO] running `Command { std: "docker" "inspect" "80776f20a14f59b4474fcc221b7c101dd156ac803a23fe7a371989fa0a817695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80776f20a14f59b4474fcc221b7c101dd156ac803a23fe7a371989fa0a817695", kill_on_drop: false }`
[INFO] [stdout] 80776f20a14f59b4474fcc221b7c101dd156ac803a23fe7a371989fa0a817695