[INFO] updating cached repository joyent/rust-muppet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joyent/rust-muppet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joyent/rust-muppet" "work/ex/beta-1.38-1/sources/1.37.0/gh/joyent/rust-muppet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/joyent/rust-muppet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joyent/rust-muppet" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joyent/rust-muppet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joyent/rust-muppet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13f9909bc0debc0488522f4c5249775ba5e751b7
[INFO] sha for GitHub repo joyent/rust-muppet: 13f9909bc0debc0488522f4c5249775ba5e751b7
[INFO] validating manifest of joyent/rust-muppet on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joyent/rust-muppet on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing joyent/rust-muppet
[INFO] finished frobbing joyent/rust-muppet
[INFO] frobbed toml for joyent/rust-muppet written to work/ex/beta-1.38-1/sources/1.37.0/gh/joyent/rust-muppet/Cargo.toml
[INFO] started frobbing joyent/rust-muppet
[INFO] finished frobbing joyent/rust-muppet
[INFO] frobbed toml for joyent/rust-muppet written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joyent/rust-muppet/Cargo.toml
[INFO] crate joyent/rust-muppet already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing joyent/rust-muppet against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joyent/rust-muppet:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] afbf3fd05702867b05377fdd7eb4babd9c4b97197b754952459491a73039222e
[INFO] running `"docker" "start" "-a" "afbf3fd05702867b05377fdd7eb4babd9c4b97197b754952459491a73039222e"`
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling zookeeper_derive v0.4.0
[INFO] [stderr]    Compiling zookeeper v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling slog-bunyan v2.1.1-pre (https://github.com/kellymclaughlin/bunyan?branch=build-on-smartos#986664e3)
[INFO] [stderr]    Compiling rust-muppet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:40:65
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn read_file<P: AsRef<Path>>(path: P) -> Result<Config, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn get_untrusted_ips(c: &Config) -> Vec<Ipv4Addr> {
[INFO] [stderr]    |                      ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stderr]    |                      ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uips`
[INFO] [stderr]   --> src/main.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stderr]    |                                  ^^^^ help: consider prefixing with an underscore: `_uips`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/main.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.97s
[INFO] running `"docker" "inspect" "afbf3fd05702867b05377fdd7eb4babd9c4b97197b754952459491a73039222e"`
[INFO] running `"docker" "rm" "-f" "afbf3fd05702867b05377fdd7eb4babd9c4b97197b754952459491a73039222e"`
[INFO] [stdout] afbf3fd05702867b05377fdd7eb4babd9c4b97197b754952459491a73039222e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joyent/rust-muppet:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2ab9081ed60fd23f5acc88c81ec21df02beb33a4245ddc251486111b04de141f
[INFO] running `"docker" "start" "-a" "2ab9081ed60fd23f5acc88c81ec21df02beb33a4245ddc251486111b04de141f"`
[INFO] [stderr]    Compiling rust-muppet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:40:65
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn read_file<P: AsRef<Path>>(path: P) -> Result<Config, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn get_untrusted_ips(c: &Config) -> Vec<Ipv4Addr> {
[INFO] [stderr]    |                      ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stderr]    |                      ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uips`
[INFO] [stderr]   --> src/main.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn zookeeper_session(c: &Config, uips: Vec<Ipv4Addr>) -> ZkResult<ZooKeeper> {
[INFO] [stderr]    |                                  ^^^^ help: consider prefixing with an underscore: `_uips`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> src/main.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stderr]    |                ^ help: consider prefixing with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:29:31
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn start_watch(z: &ZooKeeper, c: &Config) {
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "2ab9081ed60fd23f5acc88c81ec21df02beb33a4245ddc251486111b04de141f"`
[INFO] running `"docker" "rm" "-f" "2ab9081ed60fd23f5acc88c81ec21df02beb33a4245ddc251486111b04de141f"`
[INFO] [stdout] 2ab9081ed60fd23f5acc88c81ec21df02beb33a4245ddc251486111b04de141f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/joyent/rust-muppet:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 20c7ae00e847119a0dc9cd6c5b89b289d7b465130c20d2e4b108a071d0335e31
[INFO] running `"docker" "start" "-a" "20c7ae00e847119a0dc9cd6c5b89b289d7b465130c20d2e4b108a071d0335e31"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_muppet-5370370b61aa9e68
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "20c7ae00e847119a0dc9cd6c5b89b289d7b465130c20d2e4b108a071d0335e31"`
[INFO] running `"docker" "rm" "-f" "20c7ae00e847119a0dc9cd6c5b89b289d7b465130c20d2e4b108a071d0335e31"`
[INFO] [stdout] 20c7ae00e847119a0dc9cd6c5b89b289d7b465130c20d2e4b108a071d0335e31