[INFO] updating cached repository JangGeunSong/rusttoy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JangGeunSong/rusttoy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JangGeunSong/rusttoy" "work/ex/beta-1.38-1/sources/1.37.0/gh/JangGeunSong/rusttoy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JangGeunSong/rusttoy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JangGeunSong/rusttoy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JangGeunSong/rusttoy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JangGeunSong/rusttoy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 98a3f24ad8d5f710f8c8fa7f535b44440ba30934
[INFO] sha for GitHub repo JangGeunSong/rusttoy: 98a3f24ad8d5f710f8c8fa7f535b44440ba30934
[INFO] validating manifest of JangGeunSong/rusttoy 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 JangGeunSong/rusttoy 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 JangGeunSong/rusttoy
[INFO] finished frobbing JangGeunSong/rusttoy
[INFO] frobbed toml for JangGeunSong/rusttoy written to work/ex/beta-1.38-1/sources/1.37.0/gh/JangGeunSong/rusttoy/Cargo.toml
[INFO] started frobbing JangGeunSong/rusttoy
[INFO] finished frobbing JangGeunSong/rusttoy
[INFO] frobbed toml for JangGeunSong/rusttoy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JangGeunSong/rusttoy/Cargo.toml
[INFO] crate JangGeunSong/rusttoy 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 JangGeunSong/rusttoy against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JangGeunSong/rusttoy:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0cc32576a2a227a8305a58680a6e3f3055d89cd1cd2327fb88dc4335ca15f461
[INFO] running `"docker" "start" "-a" "0cc32576a2a227a8305a58680a6e3f3055d89cd1cd2327fb88dc4335ca15f461"`
[INFO] [stderr]    Compiling rustToy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `arr2`
[INFO] [stderr]  --> src/pointer_ref.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let arr2 = arr1;
[INFO] [stderr]   |         ^^^^ help: consider prefixing with an underscore: `_arr2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rustToy` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_toy`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "0cc32576a2a227a8305a58680a6e3f3055d89cd1cd2327fb88dc4335ca15f461"`
[INFO] running `"docker" "rm" "-f" "0cc32576a2a227a8305a58680a6e3f3055d89cd1cd2327fb88dc4335ca15f461"`
[INFO] [stdout] 0cc32576a2a227a8305a58680a6e3f3055d89cd1cd2327fb88dc4335ca15f461
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JangGeunSong/rusttoy:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f17b5a6427d747e9404b948b94edcc4702d9d24a325cb8a08e2db0eec695a0a8
[INFO] running `"docker" "start" "-a" "f17b5a6427d747e9404b948b94edcc4702d9d24a325cb8a08e2db0eec695a0a8"`
[INFO] [stderr]    Compiling rustToy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `arr2`
[INFO] [stderr]  --> src/pointer_ref.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let arr2 = arr1;
[INFO] [stderr]   |         ^^^^ help: consider prefixing with an underscore: `_arr2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rustToy` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_toy`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "f17b5a6427d747e9404b948b94edcc4702d9d24a325cb8a08e2db0eec695a0a8"`
[INFO] running `"docker" "rm" "-f" "f17b5a6427d747e9404b948b94edcc4702d9d24a325cb8a08e2db0eec695a0a8"`
[INFO] [stdout] f17b5a6427d747e9404b948b94edcc4702d9d24a325cb8a08e2db0eec695a0a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JangGeunSong/rusttoy:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 541dfb9557e914d36a0352d6244f3401ac980f55de59a1552a98f0b935d1cc79
[INFO] running `"docker" "start" "-a" "541dfb9557e914d36a0352d6244f3401ac980f55de59a1552a98f0b935d1cc79"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustToy-419c4b758040c00d
[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" "541dfb9557e914d36a0352d6244f3401ac980f55de59a1552a98f0b935d1cc79"`
[INFO] running `"docker" "rm" "-f" "541dfb9557e914d36a0352d6244f3401ac980f55de59a1552a98f0b935d1cc79"`
[INFO] [stdout] 541dfb9557e914d36a0352d6244f3401ac980f55de59a1552a98f0b935d1cc79