[INFO] updating cached repository lrssnn/solitaire
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lrssnn/solitaire
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lrssnn/solitaire" "work/ex/beta-1.38-1/sources/1.37.0/gh/lrssnn/solitaire"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lrssnn/solitaire'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lrssnn/solitaire" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lrssnn/solitaire"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lrssnn/solitaire'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9303fe2fd639d3204e30670207fe222c5a4a4fce
[INFO] sha for GitHub repo lrssnn/solitaire: 9303fe2fd639d3204e30670207fe222c5a4a4fce
[INFO] validating manifest of lrssnn/solitaire 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 lrssnn/solitaire 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 lrssnn/solitaire
[INFO] finished frobbing lrssnn/solitaire
[INFO] frobbed toml for lrssnn/solitaire written to work/ex/beta-1.38-1/sources/1.37.0/gh/lrssnn/solitaire/Cargo.toml
[INFO] started frobbing lrssnn/solitaire
[INFO] finished frobbing lrssnn/solitaire
[INFO] frobbed toml for lrssnn/solitaire written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lrssnn/solitaire/Cargo.toml
[INFO] crate lrssnn/solitaire 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 lrssnn/solitaire 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/lrssnn/solitaire:/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] a0171d8dd140746aa0fa02d5735d53f17d4cf82773d26842cec91670b2885d1d
[INFO] running `"docker" "start" "-a" "a0171d8dd140746aa0fa02d5735d53f17d4cf82773d26842cec91670b2885d1d"`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling ncurses v5.88.0
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling solitaire v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ncurses as term`
[INFO] [stderr]  --> src/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ncurses as term;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `suit`
[INFO] [stderr]    --> src/player.rs:273:16
[INFO] [stderr]     |
[INFO] [stderr] 273 | fn target_card(suit: usize, pile: &[Card]) -> Card {
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_suit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/player.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     let mut card = pile.last().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `delay_ms`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | static delay_ms: u64 = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delay`
[INFO] [stderr]    --> src/main.rs:267:1
[INFO] [stderr]     |
[INFO] [stderr] 267 | fn delay() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wait_millis`
[INFO] [stderr]    --> src/main.rs:271:1
[INFO] [stderr]     |
[INFO] [stderr] 271 | fn wait_millis(millis: u64) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `delay_ms` should have an upper case name
[INFO] [stderr]   --> src/main.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | static delay_ms: u64 = 0;
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to upper case: `DELAY_MS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `test_secs` should have an upper case name
[INFO] [stderr]   --> src/main.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | static test_secs: u64 = 60 * 15;
[INFO] [stderr]    |        ^^^^^^^^^ help: convert the identifier to upper case: `TEST_SECS`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/game.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.76s
[INFO] running `"docker" "inspect" "a0171d8dd140746aa0fa02d5735d53f17d4cf82773d26842cec91670b2885d1d"`
[INFO] running `"docker" "rm" "-f" "a0171d8dd140746aa0fa02d5735d53f17d4cf82773d26842cec91670b2885d1d"`
[INFO] [stdout] a0171d8dd140746aa0fa02d5735d53f17d4cf82773d26842cec91670b2885d1d
[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/lrssnn/solitaire:/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] 6a7805a1efc37eb2a174c92c93f7b787ba040d2fefe1539d4eb99a986efdf319
[INFO] running `"docker" "start" "-a" "6a7805a1efc37eb2a174c92c93f7b787ba040d2fefe1539d4eb99a986efdf319"`
[INFO] [stderr]    Compiling solitaire v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ncurses as term`
[INFO] [stderr]  --> src/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ncurses as term;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `suit`
[INFO] [stderr]    --> src/player.rs:273:16
[INFO] [stderr]     |
[INFO] [stderr] 273 | fn target_card(suit: usize, pile: &[Card]) -> Card {
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_suit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/player.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     let mut card = pile.last().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `delay_ms`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | static delay_ms: u64 = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delay`
[INFO] [stderr]    --> src/main.rs:267:1
[INFO] [stderr]     |
[INFO] [stderr] 267 | fn delay() {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wait_millis`
[INFO] [stderr]    --> src/main.rs:271:1
[INFO] [stderr]     |
[INFO] [stderr] 271 | fn wait_millis(millis: u64) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `delay_ms` should have an upper case name
[INFO] [stderr]   --> src/main.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | static delay_ms: u64 = 0;
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to upper case: `DELAY_MS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `test_secs` should have an upper case name
[INFO] [stderr]   --> src/main.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | static test_secs: u64 = 60 * 15;
[INFO] [stderr]    |        ^^^^^^^^^ help: convert the identifier to upper case: `TEST_SECS`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/game.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "6a7805a1efc37eb2a174c92c93f7b787ba040d2fefe1539d4eb99a986efdf319"`
[INFO] running `"docker" "rm" "-f" "6a7805a1efc37eb2a174c92c93f7b787ba040d2fefe1539d4eb99a986efdf319"`
[INFO] [stdout] 6a7805a1efc37eb2a174c92c93f7b787ba040d2fefe1539d4eb99a986efdf319
[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/lrssnn/solitaire:/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] facc6b19b7ff177ece4bc05a0c2478af512619892084a4377859829859bc12d1
[INFO] running `"docker" "start" "-a" "facc6b19b7ff177ece4bc05a0c2478af512619892084a4377859829859bc12d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/solitaire-2e7ed0ec844c9809
[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" "facc6b19b7ff177ece4bc05a0c2478af512619892084a4377859829859bc12d1"`
[INFO] running `"docker" "rm" "-f" "facc6b19b7ff177ece4bc05a0c2478af512619892084a4377859829859bc12d1"`
[INFO] [stdout] facc6b19b7ff177ece4bc05a0c2478af512619892084a4377859829859bc12d1