[INFO] crate eureka 1.6.1 is already in cache
[INFO] checking eureka-1.6.1 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate eureka 1.6.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate eureka 1.6.1 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate eureka 1.6.1
[INFO] finished tweaking crates.io crate eureka 1.6.1
[INFO] tweaked toml for crates.io crate eureka 1.6.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dc76018cb305fedac2d05dd1bb05f8c9894ec6f80626f12b7f18b2670a3cf90
[INFO] running `"docker" "start" "-a" "0dc76018cb305fedac2d05dd1bb05f8c9894ec6f80626f12b7f18b2670a3cf90"`
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking dialoguer v0.1.0
[INFO] [stderr]     Checking eureka v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `reader::Reader`
[INFO] [stderr]    --> src/main.rs:264:9
[INFO] [stderr]     |
[INFO] [stderr] 264 |     use reader::Reader;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_handler.rs:91:74
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Err(e) => panic!("Couldn't create {}: {}", path.display(), e.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_handler.rs:96:76
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Err(e) => panic!("Couldn't write to {}: {}", path.display(), e.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_handler.rs:91:74
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Err(e) => panic!("Couldn't create {}: {}", path.display(), e.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/file_handler.rs:96:76
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Err(e) => panic!("Couldn't write to {}: {}", path.display(), e.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/main.rs:272:30
[INFO] [stderr]     |
[INFO] [stderr] 272 |         fn create_dir(&self, path: &str) -> Result<(), Error> {
[INFO] [stderr]     |                              ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/main.rs:276:31
[INFO] [stderr]     |
[INFO] [stderr] 276 |         fn file_exists(&self, path: &str) -> bool {
[INFO] [stderr]     |                               ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/main.rs:280:27
[INFO] [stderr]     |
[INFO] [stderr] 280 |         fn file_rm(&self, file: ConfigFile) -> Result<(), Error> {
[INFO] [stderr]     |                           ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/main.rs:294:31
[INFO] [stderr]     |
[INFO] [stderr] 294 |         fn config_read(&self, file: ConfigFile) -> Result<String, Error> {
[INFO] [stderr]     |                               ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/main.rs:298:32
[INFO] [stderr]     |
[INFO] [stderr] 298 |         fn config_write(&self, file: ConfigFile, value: &String) -> Result<(), Error> {
[INFO] [stderr]     |                                ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/main.rs:298:50
[INFO] [stderr]     |
[INFO] [stderr] 298 |         fn config_write(&self, file: ConfigFile, value: &String) -> Result<(), Error> {
[INFO] [stderr]     |                                                  ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `"docker" "inspect" "0dc76018cb305fedac2d05dd1bb05f8c9894ec6f80626f12b7f18b2670a3cf90"`
[INFO] running `"docker" "rm" "-f" "0dc76018cb305fedac2d05dd1bb05f8c9894ec6f80626f12b7f18b2670a3cf90"`
[INFO] [stdout] 0dc76018cb305fedac2d05dd1bb05f8c9894ec6f80626f12b7f18b2670a3cf90