[INFO] crate eureka 1.6.1 is already in cache
[INFO] testing eureka-1.6.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate eureka 1.6.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate eureka 1.6.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 74ac0240eadadb8480f90b0fdc99ab03e59f3aed178986c41bbbe29e6565f204
[INFO] running `"docker" "start" "-a" "74ac0240eadadb8480f90b0fdc99ab03e59f3aed178986c41bbbe29e6565f204"`
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling console v0.9.0
[INFO] [stderr]    Compiling dialoguer v0.1.0
[INFO] [stderr]    Compiling eureka v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `"docker" "inspect" "74ac0240eadadb8480f90b0fdc99ab03e59f3aed178986c41bbbe29e6565f204"`
[INFO] running `"docker" "rm" "-f" "74ac0240eadadb8480f90b0fdc99ab03e59f3aed178986c41bbbe29e6565f204"`
[INFO] [stdout] 74ac0240eadadb8480f90b0fdc99ab03e59f3aed178986c41bbbe29e6565f204
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d3bdf67a3613b58de60093db41af821b825aca8c3f4d43498b7eb54c87dbdddb
[INFO] running `"docker" "start" "-a" "d3bdf67a3613b58de60093db41af821b825aca8c3f4d43498b7eb54c87dbdddb"`
[INFO] [stderr]    Compiling 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: 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] warning: struct is never constructed: `MockFileHandler`
[INFO] [stderr]    --> src/main.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     struct MockFileHandler;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "d3bdf67a3613b58de60093db41af821b825aca8c3f4d43498b7eb54c87dbdddb"`
[INFO] running `"docker" "rm" "-f" "d3bdf67a3613b58de60093db41af821b825aca8c3f4d43498b7eb54c87dbdddb"`
[INFO] [stdout] d3bdf67a3613b58de60093db41af821b825aca8c3f4d43498b7eb54c87dbdddb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f9e1509d70b3642c50f302bdf5510fbfb6ca2201e13a7b0ea8838cdcf2b33f7a
[INFO] running `"docker" "start" "-a" "f9e1509d70b3642c50f302bdf5510fbfb6ca2201e13a7b0ea8838cdcf2b33f7a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/eureka-c7c26765b61b9dbb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::tests_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f9e1509d70b3642c50f302bdf5510fbfb6ca2201e13a7b0ea8838cdcf2b33f7a"`
[INFO] running `"docker" "rm" "-f" "f9e1509d70b3642c50f302bdf5510fbfb6ca2201e13a7b0ea8838cdcf2b33f7a"`
[INFO] [stdout] f9e1509d70b3642c50f302bdf5510fbfb6ca2201e13a7b0ea8838cdcf2b33f7a