[INFO] updating cached repository shanPic/hello-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shanPic/hello-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shanPic/hello-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shanPic/hello-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shanPic/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shanPic/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce16916db74d8f88a77f37b5b391035f38fb149e
[INFO] sha for GitHub repo shanPic/hello-rust: ce16916db74d8f88a77f37b5b391035f38fb149e
[INFO] validating manifest of shanPic/hello-rust 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 shanPic/hello-rust 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 shanPic/hello-rust
[INFO] finished frobbing shanPic/hello-rust
[INFO] frobbed toml for shanPic/hello-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust/Cargo.toml
[INFO] started frobbing shanPic/hello-rust
[INFO] finished frobbing shanPic/hello-rust
[INFO] frobbed toml for shanPic/hello-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shanPic/hello-rust/Cargo.toml
[INFO] crate shanPic/hello-rust 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 shanPic/hello-rust 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust:/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] 58d57a60788fc7b60d8f3c5eefe0cf515f17578d604360b548b5f0d285e42048
[INFO] running `"docker" "start" "-a" "58d57a60788fc7b60d8f3c5eefe0cf515f17578d604360b548b5f0d285e42048"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `ten` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `Ten`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `five` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     five(Option<i32>),
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Five`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ten`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "58d57a60788fc7b60d8f3c5eefe0cf515f17578d604360b548b5f0d285e42048"`
[INFO] running `"docker" "rm" "-f" "58d57a60788fc7b60d8f3c5eefe0cf515f17578d604360b548b5f0d285e42048"`
[INFO] [stdout] 58d57a60788fc7b60d8f3c5eefe0cf515f17578d604360b548b5f0d285e42048
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust:/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] bb523243e5d2b1747fd4defe789bc9c6fe8d29d358fc2c277f4917914b7b6c1e
[INFO] running `"docker" "start" "-a" "bb523243e5d2b1747fd4defe789bc9c6fe8d29d358fc2c277f4917914b7b6c1e"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `ten` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `Ten`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `five` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     five(Option<i32>),
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Five`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ten`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     ten,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "bb523243e5d2b1747fd4defe789bc9c6fe8d29d358fc2c277f4917914b7b6c1e"`
[INFO] running `"docker" "rm" "-f" "bb523243e5d2b1747fd4defe789bc9c6fe8d29d358fc2c277f4917914b7b6c1e"`
[INFO] [stdout] bb523243e5d2b1747fd4defe789bc9c6fe8d29d358fc2c277f4917914b7b6c1e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shanPic/hello-rust:/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] 284483d69e20de0c075f8352358e68e4c48273c2cc4a43ed633cbfaea06f8623
[INFO] running `"docker" "start" "-a" "284483d69e20de0c075f8352358e68e4c48273c2cc4a43ed633cbfaea06f8623"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_rust-7001e0f93289b251
[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" "284483d69e20de0c075f8352358e68e4c48273c2cc4a43ed633cbfaea06f8623"`
[INFO] running `"docker" "rm" "-f" "284483d69e20de0c075f8352358e68e4c48273c2cc4a43ed633cbfaea06f8623"`
[INFO] [stdout] 284483d69e20de0c075f8352358e68e4c48273c2cc4a43ed633cbfaea06f8623