[INFO] crate eureka 1.5.1 is already in cache
[INFO] extracting crate eureka 1.5.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/eureka/1.5.1
[INFO] extracting crate eureka 1.5.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/eureka/1.5.1
[INFO] validating manifest of eureka-1.5.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eureka-1.5.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eureka-1.5.1
[INFO] finished frobbing eureka-1.5.1
[INFO] frobbed toml for eureka-1.5.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/eureka/1.5.1/Cargo.toml
[INFO] started frobbing eureka-1.5.1
[INFO] finished frobbing eureka-1.5.1
[INFO] frobbed toml for eureka-1.5.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/eureka/1.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing eureka-1.5.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/eureka/1.5.1:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 882876d5c6b38cb7ec6e3ae6ef7d23dc20f8a6d5f3570c4b801f1f78d0c64886
[INFO] running `"docker" "start" "-a" "882876d5c6b38cb7ec6e3ae6ef7d23dc20f8a6d5f3570c4b801f1f78d0c64886"`
[INFO] [stderr]    Compiling eureka v1.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `"docker" "inspect" "882876d5c6b38cb7ec6e3ae6ef7d23dc20f8a6d5f3570c4b801f1f78d0c64886"`
[INFO] running `"docker" "rm" "-f" "882876d5c6b38cb7ec6e3ae6ef7d23dc20f8a6d5f3570c4b801f1f78d0c64886"`
[INFO] [stdout] 882876d5c6b38cb7ec6e3ae6ef7d23dc20f8a6d5f3570c4b801f1f78d0c64886
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/eureka/1.5.1:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b258eafc39dfc106f26ce965e3ddff83fbd3fdeeae676beb702ed37f2503e6a
[INFO] running `"docker" "start" "-a" "9b258eafc39dfc106f26ce965e3ddff83fbd3fdeeae676beb702ed37f2503e6a"`
[INFO] [stderr]    Compiling eureka v1.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `MockFileSystem`
[INFO] [stderr]    --> src/file_handler.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     struct MockFileSystem;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MockFileHandler`
[INFO] [stderr]    --> src/file_handler.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     struct MockFileHandler;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "9b258eafc39dfc106f26ce965e3ddff83fbd3fdeeae676beb702ed37f2503e6a"`
[INFO] running `"docker" "rm" "-f" "9b258eafc39dfc106f26ce965e3ddff83fbd3fdeeae676beb702ed37f2503e6a"`
[INFO] [stdout] 9b258eafc39dfc106f26ce965e3ddff83fbd3fdeeae676beb702ed37f2503e6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/eureka/1.5.1:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 86c65d61e8aca4e180cfc186f650ca03a3a74db01f03a945e35f357c193ed357
[INFO] running `"docker" "start" "-a" "86c65d61e8aca4e180cfc186f650ca03a3a74db01f03a945e35f357c193ed357"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/eureka-d71866a16f662921
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test file_handler::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" "86c65d61e8aca4e180cfc186f650ca03a3a74db01f03a945e35f357c193ed357"`
[INFO] running `"docker" "rm" "-f" "86c65d61e8aca4e180cfc186f650ca03a3a74db01f03a945e35f357c193ed357"`
[INFO] [stdout] 86c65d61e8aca4e180cfc186f650ca03a3a74db01f03a945e35f357c193ed357