[INFO] cloning repository https://github.com/xing0821/codewar-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xing0821/codewar-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxing0821%2Fcodewar-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxing0821%2Fcodewar-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5038a7a5f054df4a82fff5a1cec2368f6d9949e
[INFO] testing xing0821/codewar-rust against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxing0821%2Fcodewar-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xing0821/codewar-rust on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xing0821/codewar-rust
[INFO] finished tweaking git repo https://github.com/xing0821/codewar-rust
[INFO] tweaked toml for git repo https://github.com/xing0821/codewar-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xing0821/codewar-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31e629f44142ef6a07b2586063d95e862e0bc20d18e2d75a9cc3bf786d33dc9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31e629f44142ef6a07b2586063d95e862e0bc20d18e2d75a9cc3bf786d33dc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e629f44142ef6a07b2586063d95e862e0bc20d18e2d75a9cc3bf786d33dc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e629f44142ef6a07b2586063d95e862e0bc20d18e2d75a9cc3bf786d33dc9e", kill_on_drop: false }`
[INFO] [stdout] 31e629f44142ef6a07b2586063d95e862e0bc20d18e2d75a9cc3bf786d33dc9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] cf8ddf011c1f033c02daf9a7a98582982a35b0254b57bea66d2d143a3438c5b1
[INFO] running `Command { std: "docker" "start" "-a" "cf8ddf011c1f033c02daf9a7a98582982a35b0254b57bea66d2d143a3438c5b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable if-let pattern
[INFO] [stdout]   --> src/code/open_or_senior.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 | /             if let (a,b) = x {
[INFO] [stdout] 35 | |                 if a >= &55 && b > &7 {
[INFO] [stdout] 36 | |                     return senior.clone()
[INFO] [stdout] 37 | |                 }
[INFO] [stdout] 38 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.54s
[INFO] running `Command { std: "docker" "inspect" "cf8ddf011c1f033c02daf9a7a98582982a35b0254b57bea66d2d143a3438c5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8ddf011c1f033c02daf9a7a98582982a35b0254b57bea66d2d143a3438c5b1", kill_on_drop: false }`
[INFO] [stdout] cf8ddf011c1f033c02daf9a7a98582982a35b0254b57bea66d2d143a3438c5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d374edba58247b1723e74f66b181aaa3f1bcb0064e3cd240dd8e8eacef089a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d374edba58247b1723e74f66b181aaa3f1bcb0064e3cd240dd8e8eacef089a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable if-let pattern
[INFO] [stdout]   --> src/code/open_or_senior.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 | /             if let (a,b) = x {
[INFO] [stdout] 35 | |                 if a >= &55 && b > &7 {
[INFO] [stdout] 36 | |                     return senior.clone()
[INFO] [stdout] 37 | |                 }
[INFO] [stdout] 38 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable if-let pattern
[INFO] [stdout]   --> src/code/open_or_senior.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 | /             if let (a,b) = x {
[INFO] [stdout] 35 | |                 if a >= &55 && b > &7 {
[INFO] [stdout] 36 | |                     return senior.clone()
[INFO] [stdout] 37 | |                 }
[INFO] [stdout] 38 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "1d374edba58247b1723e74f66b181aaa3f1bcb0064e3cd240dd8e8eacef089a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d374edba58247b1723e74f66b181aaa3f1bcb0064e3cd240dd8e8eacef089a3", kill_on_drop: false }`
[INFO] [stdout] 1d374edba58247b1723e74f66b181aaa3f1bcb0064e3cd240dd8e8eacef089a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87ce07bc30877eb8535ce909d4eca03bdd2e68a8559fe39a20dfeed542c0c376
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87ce07bc30877eb8535ce909d4eca03bdd2e68a8559fe39a20dfeed542c0c376", kill_on_drop: false }`
[INFO] [stderr] warning: irrefutable if-let pattern
[INFO] [stderr]   --> src/code/open_or_senior.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 | /             if let (a,b) = x {
[INFO] [stderr] 35 | |                 if a >= &55 && b > &7 {
[INFO] [stderr] 36 | |                     return senior.clone()
[INFO] [stderr] 37 | |                 }
[INFO] [stderr] 38 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable if-let pattern
[INFO] [stderr]   --> src/code/open_or_senior.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 | /             if let (a,b) = x {
[INFO] [stderr] 35 | |                 if a >= &55 && b > &7 {
[INFO] [stderr] 36 | |                     return senior.clone()
[INFO] [stderr] 37 | |                 }
[INFO] [stderr] 38 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/codewars-41afd881e35490d3
[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] [stderr]      Running /opt/rustwide/target/debug/deps/open_or_senior-120c6302a56c977e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test open_or_seniors_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests codewars
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/code/open_or_senior.rs - code::open_or_senior::open_or_seniors (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87ce07bc30877eb8535ce909d4eca03bdd2e68a8559fe39a20dfeed542c0c376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ce07bc30877eb8535ce909d4eca03bdd2e68a8559fe39a20dfeed542c0c376", kill_on_drop: false }`
[INFO] [stdout] 87ce07bc30877eb8535ce909d4eca03bdd2e68a8559fe39a20dfeed542c0c376