[INFO] updating cached repository PurpleBooth/kata-tennis
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PurpleBooth/kata-tennis
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleBooth/kata-tennis" "work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleBooth/kata-tennis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleBooth/kata-tennis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleBooth/kata-tennis" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleBooth/kata-tennis"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleBooth/kata-tennis'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 355822b4f3b82dd0d31edef56ac0fdae99b719be
[INFO] sha for GitHub repo PurpleBooth/kata-tennis: 355822b4f3b82dd0d31edef56ac0fdae99b719be
[INFO] validating manifest of PurpleBooth/kata-tennis 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 PurpleBooth/kata-tennis 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 PurpleBooth/kata-tennis
[INFO] finished frobbing PurpleBooth/kata-tennis
[INFO] frobbed toml for PurpleBooth/kata-tennis written to work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleBooth/kata-tennis/Cargo.toml
[INFO] started frobbing PurpleBooth/kata-tennis
[INFO] finished frobbing PurpleBooth/kata-tennis
[INFO] frobbed toml for PurpleBooth/kata-tennis written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PurpleBooth/kata-tennis/Cargo.toml
[INFO] crate PurpleBooth/kata-tennis 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 PurpleBooth/kata-tennis 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleBooth/kata-tennis:/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] 524593e9d1f4cc7814c0a570a199a87b534cac73872fe84d8962ea8d3f98f167
[INFO] running `"docker" "start" "-a" "524593e9d1f4cc7814c0a570a199a87b534cac73872fe84d8962ea8d3f98f167"`
[INFO] [stderr]    Compiling kata-tennis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl std::fmt::Display for Call {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:43
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn score_to_call(score: u8) -> Option<Box<Call>> {
[INFO] [stderr]     |                                           ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> src/lib.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn add(&self, point: Point) -> Result<Score, String> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_point`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn new(player: &'p Player) -> Point<'p> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "524593e9d1f4cc7814c0a570a199a87b534cac73872fe84d8962ea8d3f98f167"`
[INFO] running `"docker" "rm" "-f" "524593e9d1f4cc7814c0a570a199a87b534cac73872fe84d8962ea8d3f98f167"`
[INFO] [stdout] 524593e9d1f4cc7814c0a570a199a87b534cac73872fe84d8962ea8d3f98f167
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleBooth/kata-tennis:/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] fb91ece2988f74c6ecd12f264efbdd2bced2b2abd0270d924efdd8c41360c681
[INFO] running `"docker" "start" "-a" "fb91ece2988f74c6ecd12f264efbdd2bced2b2abd0270d924efdd8c41360c681"`
[INFO] [stderr]    Compiling kata-tennis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl std::fmt::Display for Call {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:43
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn score_to_call(score: u8) -> Option<Box<Call>> {
[INFO] [stderr]     |                                           ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> src/lib.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn add(&self, point: Point) -> Result<Score, String> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_point`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "fb91ece2988f74c6ecd12f264efbdd2bced2b2abd0270d924efdd8c41360c681"`
[INFO] running `"docker" "rm" "-f" "fb91ece2988f74c6ecd12f264efbdd2bced2b2abd0270d924efdd8c41360c681"`
[INFO] [stdout] fb91ece2988f74c6ecd12f264efbdd2bced2b2abd0270d924efdd8c41360c681
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PurpleBooth/kata-tennis:/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] 33151b7e553694697a7b4bbc76ccb3b1cfd520c8169c48df71930afab2acc464
[INFO] running `"docker" "start" "-a" "33151b7e553694697a7b4bbc76ccb3b1cfd520c8169c48df71930afab2acc464"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kata_tennis-cc4a53b12d7d1763
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test test::game_score_should_allow_adding_one_point_to_player_1 ... ok
[INFO] [stdout] test test::game_score_should_allow_adding_one_point_to_player_2 ... ok
[INFO] [stdout] test test::player_should_have_a_player_1 ... ok
[INFO] [stdout] test test::player_should_have_a_player_2 ... ok
[INFO] [stdout] test test::game_score_should_allow_adding_two_points_to_player_2 ... ok
[INFO] [stdout] test test::score_should_be_15_for_1 ... ok
[INFO] [stdout] test test::game_score_should_be_love_love_for_no_scores ... ok
[INFO] [stdout] test test::score_game_should_be_love_love_for_no_scores ... ok
[INFO] [stdout] test test::score_should_be_30_for_2 ... ok
[INFO] [stdout] test test::score_should_be_40_for_3 ... ok
[INFO] [stdout] test test::score_game_should_be_love_15_for_a_single_player_2_point ... ok
[INFO] [stdout] test test::score_should_be_game_for_4 ... ok
[INFO] [stdout] test test::score_should_never_be_more_than_4 ... ok
[INFO] [stdout] test test::score_should_be_love_for_0 ... ok
[INFO] [stdout] test test::score_should_of_0_plus_one_point_is_15 ... ok
[INFO] [stdout] test test::score_should_of_1_plus_one_point_is_30 ... ok
[INFO] [stdout] test test::score_should_of_3_plus_one_point_is_game ... ok
[INFO] [stdout] test test::score_should_of_2_plus_one_point_is_40 ... ok
[INFO] [stdout] test test::score_should_of_4_plus_one_point_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kata-tennis
[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" "33151b7e553694697a7b4bbc76ccb3b1cfd520c8169c48df71930afab2acc464"`
[INFO] running `"docker" "rm" "-f" "33151b7e553694697a7b4bbc76ccb3b1cfd520c8169c48df71930afab2acc464"`
[INFO] [stdout] 33151b7e553694697a7b4bbc76ccb3b1cfd520c8169c48df71930afab2acc464