[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/joyent/rust-muppet"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/joyent/rust-muppet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joyent/rust-muppet" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/joyent/rust-muppet"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of joyent/rust-muppet on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking joyent/rust-muppet against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 696e2f64ac43ac04fa9b664d7e264162f41083c5b4c67d175c383570b4896cbc
[INFO] running `"docker" "start" "-a" "696e2f64ac43ac04fa9b664d7e264162f41083c5b4c67d175c383570b4896cbc"`
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling zookeeper_derive v0.4.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking zookeeper v0.5.6
[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/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: 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] 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 8.81s
[INFO] running `"docker" "inspect" "696e2f64ac43ac04fa9b664d7e264162f41083c5b4c67d175c383570b4896cbc"`
[INFO] running `"docker" "rm" "-f" "696e2f64ac43ac04fa9b664d7e264162f41083c5b4c67d175c383570b4896cbc"`
[INFO] [stdout] 696e2f64ac43ac04fa9b664d7e264162f41083c5b4c67d175c383570b4896cbc