[INFO] cloning repository https://github.com/Evil004/Chess_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Evil004/Chess_in_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvil004%2FChess_in_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvil004%2FChess_in_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71dd7bd4726148635ea9b1f97aedcbe057b7b623
[INFO] checking Evil004/Chess_in_Rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvil004%2FChess_in_Rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Evil004/Chess_in_Rust 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 git repo https://github.com/Evil004/Chess_in_Rust
[INFO] finished tweaking git repo https://github.com/Evil004/Chess_in_Rust
[INFO] tweaked toml for git repo https://github.com/Evil004/Chess_in_Rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Evil004/Chess_in_Rust 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" "+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] 442e05fd2673464af3719b2a22237794b0bd88c186a15ad8611e6bb2dc87123d
[INFO] running `Command { std: "docker" "start" "-a" "442e05fd2673464af3719b2a22237794b0bd88c186a15ad8611e6bb2dc87123d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "442e05fd2673464af3719b2a22237794b0bd88c186a15ad8611e6bb2dc87123d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442e05fd2673464af3719b2a22237794b0bd88c186a15ad8611e6bb2dc87123d", kill_on_drop: false }`
[INFO] [stdout] 442e05fd2673464af3719b2a22237794b0bd88c186a15ad8611e6bb2dc87123d
[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] abb86f543f3b5f582aabbb35ae7b60ab3dbdc612691561a8d8e412ccedf4a130
[INFO] running `Command { std: "docker" "start" "-a" "abb86f543f3b5f582aabbb35ae7b60ab3dbdc612691561a8d8e412ccedf4a130", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking ajedrez v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "abb86f543f3b5f582aabbb35ae7b60ab3dbdc612691561a8d8e412ccedf4a130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb86f543f3b5f582aabbb35ae7b60ab3dbdc612691561a8d8e412ccedf4a130", kill_on_drop: false }`
[INFO] [stdout] abb86f543f3b5f582aabbb35ae7b60ab3dbdc612691561a8d8e412ccedf4a130
[INFO] checking Evil004/Chess_in_Rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvil004%2FChess_in_Rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Evil004/Chess_in_Rust 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 git repo https://github.com/Evil004/Chess_in_Rust
[INFO] finished tweaking git repo https://github.com/Evil004/Chess_in_Rust
[INFO] tweaked toml for git repo https://github.com/Evil004/Chess_in_Rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Evil004/Chess_in_Rust 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" "+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] e07aebc819d95aa2ff499c31bb6332ca262c3eb59bd38c42e24b611ac8e12059
[INFO] running `Command { std: "docker" "start" "-a" "e07aebc819d95aa2ff499c31bb6332ca262c3eb59bd38c42e24b611ac8e12059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e07aebc819d95aa2ff499c31bb6332ca262c3eb59bd38c42e24b611ac8e12059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07aebc819d95aa2ff499c31bb6332ca262c3eb59bd38c42e24b611ac8e12059", kill_on_drop: false }`
[INFO] [stdout] e07aebc819d95aa2ff499c31bb6332ca262c3eb59bd38c42e24b611ac8e12059
[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] 13da6ef8168e0614a775fb274e5f33719e5be358d5c44a0a70af70f6797ef4cf
[INFO] running `Command { std: "docker" "start" "-a" "13da6ef8168e0614a775fb274e5f33719e5be358d5c44a0a70af70f6797ef4cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking ajedrez v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/functions/mod.rs:873:5
[INFO] [stdout]     |
[INFO] [stdout] 873 | /     match input_value.clone().trim() {
[INFO] [stdout] 874 | |         "A" => return 1,
[INFO] [stdout] 875 | |         "B" => return 2,
[INFO] [stdout] 876 | |         "C" => return 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |         _ => return 0,
[INFO] [stdout] 891 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/functions/mod.rs:873:5
[INFO] [stdout]     |
[INFO] [stdout] 873 | /     match input_value.clone().trim() {
[INFO] [stdout] 874 | |         "A" => return 1,
[INFO] [stdout] 875 | |         "B" => return 2,
[INFO] [stdout] 876 | |         "C" => return 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 890 | |         _ => return 0,
[INFO] [stdout] 891 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ajedrez` (bin "ajedrez") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ajedrez` (bin "ajedrez" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "13da6ef8168e0614a775fb274e5f33719e5be358d5c44a0a70af70f6797ef4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13da6ef8168e0614a775fb274e5f33719e5be358d5c44a0a70af70f6797ef4cf", kill_on_drop: false }`
[INFO] [stdout] 13da6ef8168e0614a775fb274e5f33719e5be358d5c44a0a70af70f6797ef4cf