[INFO] cloning repository https://github.com/dannydenenberg/cards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dannydenenberg/cards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannydenenberg%2Fcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannydenenberg%2Fcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dab1a9b5b9ba9eb4ee3da65a78099aa57cf6636
[INFO] testing dannydenenberg/cards against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannydenenberg%2Fcards" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dannydenenberg/cards on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dannydenenberg/cards
[INFO] finished tweaking git repo https://github.com/dannydenenberg/cards
[INFO] tweaked toml for git repo https://github.com/dannydenenberg/cards written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dannydenenberg/cards already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51e12fca2d30628abfeb6e03b41ddd9f41232996c7da5804b8839019f3f8efde
[INFO] running `Command { std: "docker" "start" "-a" "51e12fca2d30628abfeb6e03b41ddd9f41232996c7da5804b8839019f3f8efde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51e12fca2d30628abfeb6e03b41ddd9f41232996c7da5804b8839019f3f8efde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e12fca2d30628abfeb6e03b41ddd9f41232996c7da5804b8839019f3f8efde", kill_on_drop: false }`
[INFO] [stdout] 51e12fca2d30628abfeb6e03b41ddd9f41232996c7da5804b8839019f3f8efde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c9018d0ea924c49a1b647fb394f3ec1e2ea06a74a22c34be8c4341236d63196
[INFO] running `Command { std: "docker" "start" "-a" "2c9018d0ea924c49a1b647fb394f3ec1e2ea06a74a22c34be8c4341236d63196", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/play.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deck`
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::play::{Player, Deck};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/play.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 _ => (),
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/play.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 _ => "".to_string(), // won't reach this statement, but the compiler doesn't know that
[INFO] [stdout]     |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(x) => (),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `blank`
[INFO] [stdout]    --> src/art.rs:97:1
[INFO] [stdout]     |
[INFO] [stdout] 97  | / pub const blank: &str = r"
[INFO] [stdout] 98  | |     ┌─────────┐
[INFO] [stdout] 99  | |     │░░░░░░░░░│
[INFO] [stdout] 100 | |     │░░░░░░░░░│
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | |     └─────────┘
[INFO] [stdout] 107 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `art`
[INFO] [stdout]    --> src/art.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | / pub const art: &str = r"
[INFO] [stdout] 115 | |     ┌─────────┐
[INFO] [stdout] 116 | |     │░░░░░░░░░│
[INFO] [stdout] 117 | |     │░░░░░░░░░│
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |     └─────────┘
[INFO] [stdout] 164 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `heart` should have an upper case name
[INFO] [stdout]  --> src/art.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const heart: &str = r"
[INFO] [stdout]   |           ^^^^^ help: convert the identifier to upper case: `HEART`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `club` should have an upper case name
[INFO] [stdout]   --> src/art.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const club: &str = r"
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `CLUB`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `diamond` should have an upper case name
[INFO] [stdout]   --> src/art.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const diamond: &str = r"
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `DIAMOND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `spade` should have an upper case name
[INFO] [stdout]   --> src/art.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const spade: &str = r"
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `SPADE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `heart10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const heart10: &str = r"
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `HEART10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `club10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub const club10: &str = r"
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper case: `CLUB10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `diamond10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub const diamond10: &str = r"
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `DIAMOND10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `spade10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const spade10: &str = r"
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `SPADE10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `blank` should have an upper case name
[INFO] [stdout]   --> src/art.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub const blank: &str = r"
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `BLANK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `art` should have an upper case name
[INFO] [stdout]    --> src/art.rs:114:11
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub const art: &str = r"
[INFO] [stdout]     |           ^^^ help: convert the identifier to upper case: `ART`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "2c9018d0ea924c49a1b647fb394f3ec1e2ea06a74a22c34be8c4341236d63196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9018d0ea924c49a1b647fb394f3ec1e2ea06a74a22c34be8c4341236d63196", kill_on_drop: false }`
[INFO] [stdout] 2c9018d0ea924c49a1b647fb394f3ec1e2ea06a74a22c34be8c4341236d63196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 68bdd2a3a2ad7d538c59c68931453274e501c5ac38b3463550eca3180bd1b4e6
[INFO] running `Command { std: "docker" "start" "-a" "68bdd2a3a2ad7d538c59c68931453274e501c5ac38b3463550eca3180bd1b4e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/play.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deck`
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::play::{Player, Deck};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/play.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 _ => (),
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/play.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 _ => "".to_string(), // won't reach this statement, but the compiler doesn't know that
[INFO] [stdout]     |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Err(x) => (),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `blank`
[INFO] [stdout]    --> src/art.rs:97:1
[INFO] [stdout]     |
[INFO] [stdout] 97  | / pub const blank: &str = r"
[INFO] [stdout] 98  | |     ┌─────────┐
[INFO] [stdout] 99  | |     │░░░░░░░░░│
[INFO] [stdout] 100 | |     │░░░░░░░░░│
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | |     └─────────┘
[INFO] [stdout] 107 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `art`
[INFO] [stdout]    --> src/art.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | / pub const art: &str = r"
[INFO] [stdout] 115 | |     ┌─────────┐
[INFO] [stdout] 116 | |     │░░░░░░░░░│
[INFO] [stdout] 117 | |     │░░░░░░░░░│
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |     └─────────┘
[INFO] [stdout] 164 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `heart` should have an upper case name
[INFO] [stdout]  --> src/art.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const heart: &str = r"
[INFO] [stdout]   |           ^^^^^ help: convert the identifier to upper case: `HEART`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `club` should have an upper case name
[INFO] [stdout]   --> src/art.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const club: &str = r"
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `CLUB`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `diamond` should have an upper case name
[INFO] [stdout]   --> src/art.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const diamond: &str = r"
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `DIAMOND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `spade` should have an upper case name
[INFO] [stdout]   --> src/art.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const spade: &str = r"
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `SPADE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `heart10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub const heart10: &str = r"
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `HEART10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `club10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub const club10: &str = r"
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper case: `CLUB10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `diamond10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub const diamond10: &str = r"
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `DIAMOND10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `spade10` should have an upper case name
[INFO] [stdout]   --> src/art.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub const spade10: &str = r"
[INFO] [stdout]    |           ^^^^^^^ help: convert the identifier to upper case: `SPADE10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `blank` should have an upper case name
[INFO] [stdout]   --> src/art.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub const blank: &str = r"
[INFO] [stdout]    |           ^^^^^ help: convert the identifier to upper case: `BLANK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `art` should have an upper case name
[INFO] [stdout]    --> src/art.rs:114:11
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub const art: &str = r"
[INFO] [stdout]     |           ^^^ help: convert the identifier to upper case: `ART`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "68bdd2a3a2ad7d538c59c68931453274e501c5ac38b3463550eca3180bd1b4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68bdd2a3a2ad7d538c59c68931453274e501c5ac38b3463550eca3180bd1b4e6", kill_on_drop: false }`
[INFO] [stdout] 68bdd2a3a2ad7d538c59c68931453274e501c5ac38b3463550eca3180bd1b4e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a4d21f0f944e5e7118c30f9a2e6b2053d6af1f893d3f0a415c1f745a512b66c
[INFO] running `Command { std: "docker" "start" "-a" "0a4d21f0f944e5e7118c30f9a2e6b2053d6af1f893d3f0a415c1f745a512b66c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/play.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deck`
[INFO] [stderr]   --> src/main.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::play::{Player, Deck};
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/play.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 _ => (),
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/play.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 _ => "".to_string(), // won't reach this statement, but the compiler doesn't know that
[INFO] [stderr]     |                 ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Err(x) => (),
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `blank`
[INFO] [stderr]    --> src/art.rs:97:1
[INFO] [stderr]     |
[INFO] [stderr] 97  | / pub const blank: &str = r"
[INFO] [stderr] 98  | |     ┌─────────┐
[INFO] [stderr] 99  | |     │░░░░░░░░░│
[INFO] [stderr] 100 | |     │░░░░░░░░░│
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |     └─────────┘
[INFO] [stderr] 107 | | ";
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `art`
[INFO] [stderr]    --> src/art.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / pub const art: &str = r"
[INFO] [stderr] 115 | |     ┌─────────┐
[INFO] [stderr] 116 | |     │░░░░░░░░░│
[INFO] [stderr] 117 | |     │░░░░░░░░░│
[INFO] [stderr] ...   |
[INFO] [stderr] 163 | |     └─────────┘
[INFO] [stderr] 164 | | ";
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `heart` should have an upper case name
[INFO] [stderr]  --> src/art.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub const heart: &str = r"
[INFO] [stderr]   |           ^^^^^ help: convert the identifier to upper case: `HEART`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `club` should have an upper case name
[INFO] [stderr]   --> src/art.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const club: &str = r"
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `CLUB`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `diamond` should have an upper case name
[INFO] [stderr]   --> src/art.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub const diamond: &str = r"
[INFO] [stderr]    |           ^^^^^^^ help: convert the identifier to upper case: `DIAMOND`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `spade` should have an upper case name
[INFO] [stderr]   --> src/art.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub const spade: &str = r"
[INFO] [stderr]    |           ^^^^^ help: convert the identifier to upper case: `SPADE`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `heart10` should have an upper case name
[INFO] [stderr]   --> src/art.rs:50:11
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub const heart10: &str = r"
[INFO] [stderr]    |           ^^^^^^^ help: convert the identifier to upper case: `HEART10`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `club10` should have an upper case name
[INFO] [stderr]   --> src/art.rs:62:11
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub const club10: &str = r"
[INFO] [stderr]    |           ^^^^^^ help: convert the identifier to upper case: `CLUB10`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `diamond10` should have an upper case name
[INFO] [stderr]   --> src/art.rs:74:11
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub const diamond10: &str = r"
[INFO] [stderr]    |           ^^^^^^^^^ help: convert the identifier to upper case: `DIAMOND10`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `spade10` should have an upper case name
[INFO] [stderr]   --> src/art.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub const spade10: &str = r"
[INFO] [stderr]    |           ^^^^^^^ help: convert the identifier to upper case: `SPADE10`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `blank` should have an upper case name
[INFO] [stderr]   --> src/art.rs:97:11
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub const blank: &str = r"
[INFO] [stderr]    |           ^^^^^ help: convert the identifier to upper case: `BLANK`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `art` should have an upper case name
[INFO] [stderr]    --> src/art.rs:114:11
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub const art: &str = r"
[INFO] [stderr]     |           ^^^ help: convert the identifier to upper case: `ART`
[INFO] [stderr] 
[INFO] [stderr] warning: `cards` (bin "cards" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cards-cf09a63f65ef85e7)
[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" "0a4d21f0f944e5e7118c30f9a2e6b2053d6af1f893d3f0a415c1f745a512b66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4d21f0f944e5e7118c30f9a2e6b2053d6af1f893d3f0a415c1f745a512b66c", kill_on_drop: false }`
[INFO] [stdout] 0a4d21f0f944e5e7118c30f9a2e6b2053d6af1f893d3f0a415c1f745a512b66c