[INFO] updating cached repository vitocchi/millionaires_demo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vitocchi/millionaires_demo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vitocchi/millionaires_demo" "work/ex/beta-1.38-1/sources/1.37.0/gh/vitocchi/millionaires_demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vitocchi/millionaires_demo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vitocchi/millionaires_demo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vitocchi/millionaires_demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vitocchi/millionaires_demo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66a9ef13b86232757273dc125701610a7907ca2f
[INFO] sha for GitHub repo vitocchi/millionaires_demo: 66a9ef13b86232757273dc125701610a7907ca2f
[INFO] validating manifest of vitocchi/millionaires_demo 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 vitocchi/millionaires_demo 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 vitocchi/millionaires_demo
[INFO] finished frobbing vitocchi/millionaires_demo
[INFO] frobbed toml for vitocchi/millionaires_demo written to work/ex/beta-1.38-1/sources/1.37.0/gh/vitocchi/millionaires_demo/Cargo.toml
[INFO] started frobbing vitocchi/millionaires_demo
[INFO] finished frobbing vitocchi/millionaires_demo
[INFO] frobbed toml for vitocchi/millionaires_demo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vitocchi/millionaires_demo/Cargo.toml
[INFO] crate vitocchi/millionaires_demo 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 vitocchi/millionaires_demo 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vitocchi/millionaires_demo:/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] a3f8bfcedbaf95800197a8cb75b17edb2a98a00c26ebb197e72c7e1cd0bd03e3
[INFO] running `"docker" "start" "-a" "a3f8bfcedbaf95800197a8cb75b17edb2a98a00c26ebb197e72c7e1cd0bd03e3"`
[INFO] [stderr]    Compiling millionaires_demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `Millionaire` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let Millionaire = Millionaire {
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `millionaire`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "a3f8bfcedbaf95800197a8cb75b17edb2a98a00c26ebb197e72c7e1cd0bd03e3"`
[INFO] running `"docker" "rm" "-f" "a3f8bfcedbaf95800197a8cb75b17edb2a98a00c26ebb197e72c7e1cd0bd03e3"`
[INFO] [stdout] a3f8bfcedbaf95800197a8cb75b17edb2a98a00c26ebb197e72c7e1cd0bd03e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vitocchi/millionaires_demo:/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] 5d4b9104befe89e0c1e44246fbb8a2975b63e96cc2d34a4a8f4f872829d72292
[INFO] running `"docker" "start" "-a" "5d4b9104befe89e0c1e44246fbb8a2975b63e96cc2d34a4a8f4f872829d72292"`
[INFO] [stderr]    Compiling millionaires_demo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `Millionaire` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let Millionaire = Millionaire {
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `millionaire`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "5d4b9104befe89e0c1e44246fbb8a2975b63e96cc2d34a4a8f4f872829d72292"`
[INFO] running `"docker" "rm" "-f" "5d4b9104befe89e0c1e44246fbb8a2975b63e96cc2d34a4a8f4f872829d72292"`
[INFO] [stdout] 5d4b9104befe89e0c1e44246fbb8a2975b63e96cc2d34a4a8f4f872829d72292
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vitocchi/millionaires_demo:/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] 4bf4d2dbbb607e36e3062d3a06a9d0a2739e16c2cd07b3adcd96806f80a9a4e8
[INFO] running `"docker" "start" "-a" "4bf4d2dbbb607e36e3062d3a06a9d0a2739e16c2cd07b3adcd96806f80a9a4e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/millionaires_demo-83f82f3502558acf
[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] [stderr]      Running /opt/crater/target/debug/deps/millionaires_demo-b8aa8cded8beb129
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests millionaires_demo
[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] [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" "4bf4d2dbbb607e36e3062d3a06a9d0a2739e16c2cd07b3adcd96806f80a9a4e8"`
[INFO] running `"docker" "rm" "-f" "4bf4d2dbbb607e36e3062d3a06a9d0a2739e16c2cd07b3adcd96806f80a9a4e8"`
[INFO] [stdout] 4bf4d2dbbb607e36e3062d3a06a9d0a2739e16c2cd07b3adcd96806f80a9a4e8