[INFO] updating cached repository RustExamples/enum_and_pattern_matching
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RustExamples/enum_and_pattern_matching
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RustExamples/enum_and_pattern_matching" "work/ex/beta-1.38-1/sources/1.37.0/gh/RustExamples/enum_and_pattern_matching"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RustExamples/enum_and_pattern_matching'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustExamples/enum_and_pattern_matching" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustExamples/enum_and_pattern_matching"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustExamples/enum_and_pattern_matching'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 787348225e69e0279e4ea5a83280c5264378715c
[INFO] sha for GitHub repo RustExamples/enum_and_pattern_matching: 787348225e69e0279e4ea5a83280c5264378715c
[INFO] validating manifest of RustExamples/enum_and_pattern_matching on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RustExamples/enum_and_pattern_matching on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RustExamples/enum_and_pattern_matching
[INFO] finished frobbing RustExamples/enum_and_pattern_matching
[INFO] frobbed toml for RustExamples/enum_and_pattern_matching written to work/ex/beta-1.38-1/sources/1.37.0/gh/RustExamples/enum_and_pattern_matching/Cargo.toml
[INFO] started frobbing RustExamples/enum_and_pattern_matching
[INFO] finished frobbing RustExamples/enum_and_pattern_matching
[INFO] frobbed toml for RustExamples/enum_and_pattern_matching written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RustExamples/enum_and_pattern_matching/Cargo.toml
[INFO] crate RustExamples/enum_and_pattern_matching already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RustExamples/enum_and_pattern_matching against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustExamples/enum_and_pattern_matching:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6c334cc9779d7c633f3558cd19406a4bab3b2acf8224d19ba5fcbd2e4d1cd90c
[INFO] running `"docker" "start" "-a" "6c334cc9779d7c633f3558cd19406a4bab3b2acf8224d19ba5fcbd2e4d1cd90c"`
[INFO] [stderr]    Compiling enum_and_pattern_matching v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Alabama`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Alabama,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alaska`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Alaska,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nickel`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Nickel,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dime`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Dime,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "6c334cc9779d7c633f3558cd19406a4bab3b2acf8224d19ba5fcbd2e4d1cd90c"`
[INFO] running `"docker" "rm" "-f" "6c334cc9779d7c633f3558cd19406a4bab3b2acf8224d19ba5fcbd2e4d1cd90c"`
[INFO] [stdout] 6c334cc9779d7c633f3558cd19406a4bab3b2acf8224d19ba5fcbd2e4d1cd90c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustExamples/enum_and_pattern_matching:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9581f8fe5c04f1591f153dd3675a4577ccad307e9ca48e8c620f40479bac18ce
[INFO] running `"docker" "start" "-a" "9581f8fe5c04f1591f153dd3675a4577ccad307e9ca48e8c620f40479bac18ce"`
[INFO] [stderr]    Compiling enum_and_pattern_matching v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Alabama`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Alabama,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alaska`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Alaska,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nickel`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Nickel,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dime`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Dime,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "9581f8fe5c04f1591f153dd3675a4577ccad307e9ca48e8c620f40479bac18ce"`
[INFO] running `"docker" "rm" "-f" "9581f8fe5c04f1591f153dd3675a4577ccad307e9ca48e8c620f40479bac18ce"`
[INFO] [stdout] 9581f8fe5c04f1591f153dd3675a4577ccad307e9ca48e8c620f40479bac18ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/RustExamples/enum_and_pattern_matching:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 32571f8a3dca3a538148e3342c27701a6caf520911b65f1a924496315ff2a9e9
[INFO] running `"docker" "start" "-a" "32571f8a3dca3a538148e3342c27701a6caf520911b65f1a924496315ff2a9e9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enum_and_pattern_matching-e6ba4d5d58bae9ef
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "32571f8a3dca3a538148e3342c27701a6caf520911b65f1a924496315ff2a9e9"`
[INFO] running `"docker" "rm" "-f" "32571f8a3dca3a538148e3342c27701a6caf520911b65f1a924496315ff2a9e9"`
[INFO] [stdout] 32571f8a3dca3a538148e3342c27701a6caf520911b65f1a924496315ff2a9e9