[INFO] fetching crate noughts_and_crosses_lib 0.0.3...
[INFO] checking noughts_and_crosses_lib-0.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate noughts_and_crosses_lib 0.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate noughts_and_crosses_lib 0.0.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noughts_and_crosses_lib 0.0.3
[INFO] finished tweaking crates.io crate noughts_and_crosses_lib 0.0.3
[INFO] tweaked toml for crates.io crate noughts_and_crosses_lib 0.0.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d9271564f41950f20c16af6d558ebbcdec2d6074a330175e3e7735d50c914e3
[INFO] running `Command { std: "docker" "start" "-a" "0d9271564f41950f20c16af6d558ebbcdec2d6074a330175e3e7735d50c914e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d9271564f41950f20c16af6d558ebbcdec2d6074a330175e3e7735d50c914e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9271564f41950f20c16af6d558ebbcdec2d6074a330175e3e7735d50c914e3", kill_on_drop: false }`
[INFO] [stdout] 0d9271564f41950f20c16af6d558ebbcdec2d6074a330175e3e7735d50c914e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b77516314e58f930ffc73354e47cb3ad224f51a331719b0160ef93892739cd
[INFO] running `Command { std: "docker" "start" "-a" "36b77516314e58f930ffc73354e47cb3ad224f51a331719b0160ef93892739cd", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking noughts_and_crosses_lib v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "36b77516314e58f930ffc73354e47cb3ad224f51a331719b0160ef93892739cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b77516314e58f930ffc73354e47cb3ad224f51a331719b0160ef93892739cd", kill_on_drop: false }`
[INFO] [stdout] 36b77516314e58f930ffc73354e47cb3ad224f51a331719b0160ef93892739cd
[INFO] checking noughts_and_crosses_lib-0.0.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate noughts_and_crosses_lib 0.0.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate noughts_and_crosses_lib 0.0.3 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noughts_and_crosses_lib 0.0.3
[INFO] finished tweaking crates.io crate noughts_and_crosses_lib 0.0.3
[INFO] tweaked toml for crates.io crate noughts_and_crosses_lib 0.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da400964215306644ecc5e030b1b09d7fc8e1e94f9cf82510f87b4452d161a9b
[INFO] running `Command { std: "docker" "start" "-a" "da400964215306644ecc5e030b1b09d7fc8e1e94f9cf82510f87b4452d161a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da400964215306644ecc5e030b1b09d7fc8e1e94f9cf82510f87b4452d161a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da400964215306644ecc5e030b1b09d7fc8e1e94f9cf82510f87b4452d161a9b", kill_on_drop: false }`
[INFO] [stdout] da400964215306644ecc5e030b1b09d7fc8e1e94f9cf82510f87b4452d161a9b
[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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c49506935fb4b58b716d33e46da6a4ed127dae5a12eb0861f0d84265e5c092a0
[INFO] running `Command { std: "docker" "start" "-a" "c49506935fb4b58b716d33e46da6a4ed127dae5a12eb0861f0d84265e5c092a0", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking noughts_and_crosses_lib v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/ai/smart_random/rating_board/process_rating_board.rs:248:17
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 panic!();
[INFO] [stdout]     |                 ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/ai/smart_random/rating_board/process_rating_board.rs:248:17
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 panic!();
[INFO] [stdout]     |                 ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/ai/smart_random/rating_board/process_rating_board.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 | /                         if rating_being_tested >= rating {
[INFO] [stdout] 303 | |                             // println!("somewhat here5");
[INFO] [stdout] 304 | |                             continue;
[INFO] [stdout] 305 | |                         } else {
[INFO] [stdout] 306 | |                             // println!("somewhat here2");
[INFO] [stdout] 307 | |                             return false;
[INFO] [stdout] 308 | |                         }
[INFO] [stdout]     | |_________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/ai/smart_random/rating_board/process_rating_board.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 | /                         if rating_being_tested >= rating {
[INFO] [stdout] 303 | |                             // println!("somewhat here5");
[INFO] [stdout] 304 | |                             continue;
[INFO] [stdout] 305 | |                         } else {
[INFO] [stdout] 306 | |                             // println!("somewhat here2");
[INFO] [stdout] 307 | |                             return false;
[INFO] [stdout] 308 | |                         }
[INFO] [stdout]     | |_________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `noughts_and_crosses_lib` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `noughts_and_crosses_lib` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c49506935fb4b58b716d33e46da6a4ed127dae5a12eb0861f0d84265e5c092a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49506935fb4b58b716d33e46da6a4ed127dae5a12eb0861f0d84265e5c092a0", kill_on_drop: false }`
[INFO] [stdout] c49506935fb4b58b716d33e46da6a4ed127dae5a12eb0861f0d84265e5c092a0