[INFO] cloning repository https://github.com/johnathan79717/guessing_game
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnathan79717/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnathan79717%2Fguessing_game"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnathan79717%2Fguessing_game'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b18e2595c46fd88aac1b694c0e8891eb7ddbfbd
[INFO] checking johnathan79717/guessing_game against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnathan79717%2Fguessing_game" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnathan79717/guessing_game on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johnathan79717/guessing_game
[INFO] finished tweaking git repo https://github.com/johnathan79717/guessing_game
[INFO] tweaked toml for git repo https://github.com/johnathan79717/guessing_game written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/johnathan79717/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] afa3b46e21e90a63f4dcd173e8bb59cec71069d77c7256cc27800bbd9500440c
[INFO] running `"docker" "start" "-a" "afa3b46e21e90a63f4dcd173e8bb59cec71069d77c7256cc27800bbd9500440c"`
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 |     (&mut None, b) => *b,
[INFO] [stderr]    |      ^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     (a, &mut None) => *a,
[INFO] [stderr]    |         ^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:37:6
[INFO] [stderr]    |
[INFO] [stderr] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stderr]    |      ^^^^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stderr]    |                    ^^^^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::option::Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stderr]   --> src/main.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     (&mut None, b) => *b,
[INFO] [stderr]    |                       ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::option::Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stderr]   --> src/main.rs:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |     (a, &mut None) => *a,
[INFO] [stderr]    |                       ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0614.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `guessing_game`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 |     (&mut None, b) => *b,
[INFO] [stderr]    |      ^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     (a, &mut None) => *a,
[INFO] [stderr]    |         ^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:37:6
[INFO] [stderr]    |
[INFO] [stderr] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stderr]    |      ^^^^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 |     (&mut Some(a), &mut Some(b)) => Some(a),
[INFO] [stderr]    |                    ^^^^^^^^^^^^ expected enum `std::option::Option`, found &mut _
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<&mut TreapNode<'a>>`
[INFO] [stderr]               found type `&mut _`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::option::Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stderr]   --> src/main.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |     (&mut None, b) => *b,
[INFO] [stderr]    |                       ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::option::Option<&mut TreapNode<'a>>` cannot be dereferenced
[INFO] [stderr]   --> src/main.rs:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |     (a, &mut None) => *a,
[INFO] [stderr]    |                       ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0614.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `guessing_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "afa3b46e21e90a63f4dcd173e8bb59cec71069d77c7256cc27800bbd9500440c"`
[INFO] running `"docker" "rm" "-f" "afa3b46e21e90a63f4dcd173e8bb59cec71069d77c7256cc27800bbd9500440c"`
[INFO] [stdout] afa3b46e21e90a63f4dcd173e8bb59cec71069d77c7256cc27800bbd9500440c