[INFO] cloning repository https://github.com/lrssnn/solitaire
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lrssnn/solitaire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrssnn%2Fsolitaire"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrssnn%2Fsolitaire'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9303fe2fd639d3204e30670207fe222c5a4a4fce
[INFO] checking lrssnn/solitaire against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrssnn%2Fsolitaire" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lrssnn/solitaire on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lrssnn/solitaire
[INFO] finished tweaking git repo https://github.com/lrssnn/solitaire
[INFO] tweaked toml for git repo https://github.com/lrssnn/solitaire written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lrssnn/solitaire already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52316293564e7842d3b7d316a398e1d9fd72f5d0d46787fe00c6f4cf3edfe469
[INFO] running `"docker" "start" "-a" "52316293564e7842d3b7d316a398e1d9fd72f5d0d46787fe00c6f4cf3edfe469"`
[INFO] [stderr]    Compiling ncurses v5.88.0
[INFO] [stderr]     Checking rand v0.4.1
[INFO] [stderr]     Checking solitaire v0.1.0 (/opt/rustwide/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 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: if this is intentional, prefix it 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:267:4
[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:271:4
[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] 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: if this is intentional, prefix it with an underscore: `_suit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[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:267:4
[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:271:4
[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] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `"docker" "inspect" "52316293564e7842d3b7d316a398e1d9fd72f5d0d46787fe00c6f4cf3edfe469"`
[INFO] running `"docker" "rm" "-f" "52316293564e7842d3b7d316a398e1d9fd72f5d0d46787fe00c6f4cf3edfe469"`
[INFO] [stdout] 52316293564e7842d3b7d316a398e1d9fd72f5d0d46787fe00c6f4cf3edfe469