[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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 354405d4475456be96f63929ab2c55e17f8e0e719bdce57e3eaae94f707a4551
[INFO] running `"docker" "start" "-a" "354405d4475456be96f63929ab2c55e17f8e0e719bdce57e3eaae94f707a4551"`
[INFO] [stderr]    Compiling dialoguer v0.1.0
[INFO] [stderr]    Compiling eureka v1.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `"docker" "inspect" "354405d4475456be96f63929ab2c55e17f8e0e719bdce57e3eaae94f707a4551"`
[INFO] running `"docker" "rm" "-f" "354405d4475456be96f63929ab2c55e17f8e0e719bdce57e3eaae94f707a4551"`
[INFO] [stdout] 354405d4475456be96f63929ab2c55e17f8e0e719bdce57e3eaae94f707a4551
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 564d52ce709ee9480461dd9e8d9a4a0464a8599555337fb68289deac1642ae8b
[INFO] running `"docker" "start" "-a" "564d52ce709ee9480461dd9e8d9a4a0464a8599555337fb68289deac1642ae8b"`
[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 2.34s
[INFO] running `"docker" "inspect" "564d52ce709ee9480461dd9e8d9a4a0464a8599555337fb68289deac1642ae8b"`
[INFO] running `"docker" "rm" "-f" "564d52ce709ee9480461dd9e8d9a4a0464a8599555337fb68289deac1642ae8b"`
[INFO] [stdout] 564d52ce709ee9480461dd9e8d9a4a0464a8599555337fb68289deac1642ae8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] f79dc9b5d1d16cc6ac2bcd321ce9c95fd062b8a3f2004bdef41ad7895c79f479
[INFO] running `"docker" "start" "-a" "f79dc9b5d1d16cc6ac2bcd321ce9c95fd062b8a3f2004bdef41ad7895c79f479"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/eureka-9b4134f9832711f9
[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" "f79dc9b5d1d16cc6ac2bcd321ce9c95fd062b8a3f2004bdef41ad7895c79f479"`
[INFO] running `"docker" "rm" "-f" "f79dc9b5d1d16cc6ac2bcd321ce9c95fd062b8a3f2004bdef41ad7895c79f479"`
[INFO] [stdout] f79dc9b5d1d16cc6ac2bcd321ce9c95fd062b8a3f2004bdef41ad7895c79f479