[INFO] cloning repository https://github.com/AndrewRosenfrisk/blackjack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewRosenfrisk/blackjack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fblackjack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fblackjack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af5f080e05532e545f1dab6afb592f98eee679ac
[INFO] testing AndrewRosenfrisk/blackjack against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewRosenfrisk%2Fblackjack" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndrewRosenfrisk/blackjack
[INFO] finished tweaking git repo https://github.com/AndrewRosenfrisk/blackjack
[INFO] tweaked toml for git repo https://github.com/AndrewRosenfrisk/blackjack written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndrewRosenfrisk/blackjack on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndrewRosenfrisk/blackjack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a132010d4bf6b136287ba3cd5789011e2c3177479d2d221bce10a4f10726f6da
[INFO] running `Command { std: "docker" "start" "-a" "a132010d4bf6b136287ba3cd5789011e2c3177479d2d221bce10a4f10726f6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a132010d4bf6b136287ba3cd5789011e2c3177479d2d221bce10a4f10726f6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a132010d4bf6b136287ba3cd5789011e2c3177479d2d221bce10a4f10726f6da", kill_on_drop: false }`
[INFO] [stdout] a132010d4bf6b136287ba3cd5789011e2c3177479d2d221bce10a4f10726f6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75586569093a20f9388c41c8735272f00c23e235499e2940a7074f11eb475fbe
[INFO] running `Command { std: "docker" "start" "-a" "75586569093a20f9388c41c8735272f00c23e235499e2940a7074f11eb475fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | /         Suit::VALUES.map(|suit| {
[INFO] [stdout] 240 | |             deck.push(Card {
[INFO] [stdout] 241 | |                 suit: suit.clone(),
[INFO] [stdout] 242 | |                 rank: Rank::Number(rank),
[INFO] [stdout] 243 | |                 state: Visibility::Hidden,
[INFO] [stdout] 244 | |             });
[INFO] [stdout] 245 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let _ = Suit::VALUES.map(|suit| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/main.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 | /         Rank::FACES.map(|face| {
[INFO] [stdout] 249 | |             deck.push(Card {
[INFO] [stdout] 250 | |                 suit: suit.clone(),
[INFO] [stdout] 251 | |                 rank: face,
[INFO] [stdout] 252 | |                 state: Visibility::Hidden,
[INFO] [stdout] 253 | |             })
[INFO] [stdout] 254 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let _ = Rank::FACES.map(|face| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.90s
[INFO] running `Command { std: "docker" "inspect" "75586569093a20f9388c41c8735272f00c23e235499e2940a7074f11eb475fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75586569093a20f9388c41c8735272f00c23e235499e2940a7074f11eb475fbe", kill_on_drop: false }`
[INFO] [stdout] 75586569093a20f9388c41c8735272f00c23e235499e2940a7074f11eb475fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d754e9b039dde4f7ad232af6112bf0147e0e01661669d85962ade76c1daae30
[INFO] running `Command { std: "docker" "start" "-a" "1d754e9b039dde4f7ad232af6112bf0147e0e01661669d85962ade76c1daae30", kill_on_drop: false }`
[INFO] [stderr]    Compiling blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | /         Suit::VALUES.map(|suit| {
[INFO] [stdout] 240 | |             deck.push(Card {
[INFO] [stdout] 241 | |                 suit: suit.clone(),
[INFO] [stdout] 242 | |                 rank: Rank::Number(rank),
[INFO] [stdout] 243 | |                 state: Visibility::Hidden,
[INFO] [stdout] 244 | |             });
[INFO] [stdout] 245 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let _ = Suit::VALUES.map(|suit| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]    --> src/main.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 | /         Rank::FACES.map(|face| {
[INFO] [stdout] 249 | |             deck.push(Card {
[INFO] [stdout] 250 | |                 suit: suit.clone(),
[INFO] [stdout] 251 | |                 rank: face,
[INFO] [stdout] 252 | |                 state: Visibility::Hidden,
[INFO] [stdout] 253 | |             })
[INFO] [stdout] 254 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let _ = Rank::FACES.map(|face| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "1d754e9b039dde4f7ad232af6112bf0147e0e01661669d85962ade76c1daae30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d754e9b039dde4f7ad232af6112bf0147e0e01661669d85962ade76c1daae30", kill_on_drop: false }`
[INFO] [stdout] 1d754e9b039dde4f7ad232af6112bf0147e0e01661669d85962ade76c1daae30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55f10349dae38ba1a7b6f7b473cd9eb83004ae3e2bc7fe7d594a29cfdf9700c6
[INFO] running `Command { std: "docker" "start" "-a" "55f10349dae38ba1a7b6f7b473cd9eb83004ae3e2bc7fe7d594a29cfdf9700c6", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stderr]    --> src/main.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 | /         Suit::VALUES.map(|suit| {
[INFO] [stderr] 240 | |             deck.push(Card {
[INFO] [stderr] 241 | |                 suit: suit.clone(),
[INFO] [stderr] 242 | |                 rank: Rank::Number(rank),
[INFO] [stderr] 243 | |                 state: Visibility::Hidden,
[INFO] [stderr] 244 | |             });
[INFO] [stderr] 245 | |         });
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let _ = Suit::VALUES.map(|suit| {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stderr]    --> src/main.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 | /         Rank::FACES.map(|face| {
[INFO] [stderr] 249 | |             deck.push(Card {
[INFO] [stderr] 250 | |                 suit: suit.clone(),
[INFO] [stderr] 251 | |                 rank: face,
[INFO] [stderr] 252 | |                 state: Visibility::Hidden,
[INFO] [stderr] 253 | |             })
[INFO] [stderr] 254 | |         });
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 248 |         let _ = Rank::FACES.map(|face| {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `blackjack` (bin "blackjack" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blackjack-98799c1ffa8ed21b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55f10349dae38ba1a7b6f7b473cd9eb83004ae3e2bc7fe7d594a29cfdf9700c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f10349dae38ba1a7b6f7b473cd9eb83004ae3e2bc7fe7d594a29cfdf9700c6", kill_on_drop: false }`
[INFO] [stdout] 55f10349dae38ba1a7b6f7b473cd9eb83004ae3e2bc7fe7d594a29cfdf9700c6
