[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13f9909bc0debc0488522f4c5249775ba5e751b7
[INFO] testing joyent/rust-muppet against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoyent%2Frust-muppet" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joyent/rust-muppet on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-2/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2fc91e51edf2f4e3cb2744e0e1f4dd0ea83c9e67ff53184acc9f7ab37dac402
[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" "d2fc91e51edf2f4e3cb2744e0e1f4dd0ea83c9e67ff53184acc9f7ab37dac402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2fc91e51edf2f4e3cb2744e0e1f4dd0ea83c9e67ff53184acc9f7ab37dac402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fc91e51edf2f4e3cb2744e0e1f4dd0ea83c9e67ff53184acc9f7ab37dac402", kill_on_drop: false }`
[INFO] [stdout] d2fc91e51edf2f4e3cb2744e0e1f4dd0ea83c9e67ff53184acc9f7ab37dac402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2fe2b3a33d4905e93effe1b1865ed3fb1b5b0aeeac574da8cfcc7b553c5bdb8
[INFO] running `Command { std: "docker" "start" "-a" "a2fe2b3a33d4905e93effe1b1865ed3fb1b5b0aeeac574da8cfcc7b553c5bdb8", 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]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling zookeeper_derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[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/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: 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 1m 14s
[INFO] running `Command { std: "docker" "inspect" "a2fe2b3a33d4905e93effe1b1865ed3fb1b5b0aeeac574da8cfcc7b553c5bdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fe2b3a33d4905e93effe1b1865ed3fb1b5b0aeeac574da8cfcc7b553c5bdb8", kill_on_drop: false }`
[INFO] [stdout] a2fe2b3a33d4905e93effe1b1865ed3fb1b5b0aeeac574da8cfcc7b553c5bdb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 427db0465fe3e4e99639daa9e470e616b6664776d27fd3fe1f3bf466efe6da72
[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" "427db0465fe3e4e99639daa9e470e616b6664776d27fd3fe1f3bf466efe6da72", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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 test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "427db0465fe3e4e99639daa9e470e616b6664776d27fd3fe1f3bf466efe6da72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427db0465fe3e4e99639daa9e470e616b6664776d27fd3fe1f3bf466efe6da72", kill_on_drop: false }`
[INFO] [stdout] 427db0465fe3e4e99639daa9e470e616b6664776d27fd3fe1f3bf466efe6da72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7954e05f88fc7fffc4ae4f7d05d1a20f9c3a6485d00d640507c1dd7fa4b73b57
[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" "7954e05f88fc7fffc4ae4f7d05d1a20f9c3a6485d00d640507c1dd7fa4b73b57", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_muppet-f9133e5be7fe3c2e
[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 `Command { std: "docker" "inspect" "7954e05f88fc7fffc4ae4f7d05d1a20f9c3a6485d00d640507c1dd7fa4b73b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7954e05f88fc7fffc4ae4f7d05d1a20f9c3a6485d00d640507c1dd7fa4b73b57", kill_on_drop: false }`
[INFO] [stdout] 7954e05f88fc7fffc4ae4f7d05d1a20f9c3a6485d00d640507c1dd7fa4b73b57