[INFO] fetching crate elastic4r 0.1.0...
[INFO] checking elastic4r-0.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate elastic4r 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate elastic4r 0.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elastic4r 0.1.0
[INFO] finished tweaking crates.io crate elastic4r 0.1.0
[INFO] tweaked toml for crates.io crate elastic4r 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate elastic4r 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded confy v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", 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] 4136d3c882448be05ed262afde670c439108f29161380406c6b853e033925738
[INFO] running `Command { std: "docker" "start" "-a" "4136d3c882448be05ed262afde670c439108f29161380406c6b853e033925738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4136d3c882448be05ed262afde670c439108f29161380406c6b853e033925738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4136d3c882448be05ed262afde670c439108f29161380406c6b853e033925738", kill_on_drop: false }`
[INFO] [stdout] 4136d3c882448be05ed262afde670c439108f29161380406c6b853e033925738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d78999d223f0d3a183b3253cf00f6b487484810d2abd6229fd25827efbae4b73
[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" "d78999d223f0d3a183b3253cf00f6b487484810d2abd6229fd25827efbae4b73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking elastic4r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `read_config`
[INFO] [stdout]   --> src/config.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn read_config(p: &Option<PathBuf>) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_path_in_config_dir`
[INFO] [stdout]   --> src/config.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create_path_in_config_dir(file_name: &str) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_config`
[INFO] [stdout]   --> src/config.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn read_config(p: &Option<PathBuf>) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_path_in_config_dir`
[INFO] [stdout]   --> src/config.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create_path_in_config_dir(file_name: &str) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.67s
[INFO] running `Command { std: "docker" "inspect" "d78999d223f0d3a183b3253cf00f6b487484810d2abd6229fd25827efbae4b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78999d223f0d3a183b3253cf00f6b487484810d2abd6229fd25827efbae4b73", kill_on_drop: false }`
[INFO] [stdout] d78999d223f0d3a183b3253cf00f6b487484810d2abd6229fd25827efbae4b73