[INFO] fetching crate eureka 1.5.2...
[INFO] extracting crate eureka 1.5.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/eureka/1.5.2
[INFO] extracting crate eureka 1.5.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/eureka/1.5.2
[INFO] validating manifest of eureka-1.5.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eureka-1.5.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eureka-1.5.2
[INFO] finished frobbing eureka-1.5.2
[INFO] frobbed toml for eureka-1.5.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/eureka/1.5.2/Cargo.toml
[INFO] started frobbing eureka-1.5.2
[INFO] finished frobbing eureka-1.5.2
[INFO] frobbed toml for eureka-1.5.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/eureka/1.5.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing eureka-1.5.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/eureka/1.5.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 8bed316ef048606d4fc51d4abb116ec7aa028e554add31c5eee93df9ae6d1c72
[INFO] running `"docker" "start" "-a" "8bed316ef048606d4fc51d4abb116ec7aa028e554add31c5eee93df9ae6d1c72"`
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling dialoguer v0.1.0
[INFO] [stderr]    Compiling eureka v1.5.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.61s
[INFO] running `"docker" "inspect" "8bed316ef048606d4fc51d4abb116ec7aa028e554add31c5eee93df9ae6d1c72"`
[INFO] running `"docker" "rm" "-f" "8bed316ef048606d4fc51d4abb116ec7aa028e554add31c5eee93df9ae6d1c72"`
[INFO] [stdout] 8bed316ef048606d4fc51d4abb116ec7aa028e554add31c5eee93df9ae6d1c72
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/eureka/1.5.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ff9825463969668654c180a6933a5deb2ccab5d5ac00c05e2d8921a677749a88
[INFO] running `"docker" "start" "-a" "ff9825463969668654c180a6933a5deb2ccab5d5ac00c05e2d8921a677749a88"`
[INFO] [stderr]    Compiling eureka v1.5.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `reader::Reader`
[INFO] [stderr]    --> src/main.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |     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:268:30
[INFO] [stderr]     |
[INFO] [stderr] 268 |         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:272:31
[INFO] [stderr]     |
[INFO] [stderr] 272 |         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:276:27
[INFO] [stderr]     |
[INFO] [stderr] 276 |         fn file_rm(&self, file: ConfigType) -> Result<(), Error> {
[INFO] [stderr]     |                           ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/main.rs:290:31
[INFO] [stderr]     |
[INFO] [stderr] 290 |         fn config_read(&self, file: ConfigType) -> 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:294:32
[INFO] [stderr]     |
[INFO] [stderr] 294 |         fn config_write(&self, file: ConfigType, 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:294:50
[INFO] [stderr]     |
[INFO] [stderr] 294 |         fn config_write(&self, file: ConfigType, 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:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     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 2.20s
[INFO] running `"docker" "inspect" "ff9825463969668654c180a6933a5deb2ccab5d5ac00c05e2d8921a677749a88"`
[INFO] running `"docker" "rm" "-f" "ff9825463969668654c180a6933a5deb2ccab5d5ac00c05e2d8921a677749a88"`
[INFO] [stdout] ff9825463969668654c180a6933a5deb2ccab5d5ac00c05e2d8921a677749a88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/eureka/1.5.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 19c512cca926ff6ac62f244eabc0b9fc08d1a0a9e15d16d25f67e292a9462e0e
[INFO] running `"docker" "start" "-a" "19c512cca926ff6ac62f244eabc0b9fc08d1a0a9e15d16d25f67e292a9462e0e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/eureka-6372dce46c362a72
[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" "19c512cca926ff6ac62f244eabc0b9fc08d1a0a9e15d16d25f67e292a9462e0e"`
[INFO] running `"docker" "rm" "-f" "19c512cca926ff6ac62f244eabc0b9fc08d1a0a9e15d16d25f67e292a9462e0e"`
[INFO] [stdout] 19c512cca926ff6ac62f244eabc0b9fc08d1a0a9e15d16d25f67e292a9462e0e