[INFO] cloning repository https://github.com/35359595/n-Queens-Completion-Puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/35359595/n-Queens-Completion-Puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fn-Queens-Completion-Puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fn-Queens-Completion-Puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0a3948ea940ad63455e6bd8be7119e8e0d33c12
[INFO] checking 35359595/n-Queens-Completion-Puzzle against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fn-Queens-Completion-Puzzle" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/35359595/n-Queens-Completion-Puzzle 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/35359595/n-Queens-Completion-Puzzle
[INFO] finished tweaking git repo https://github.com/35359595/n-Queens-Completion-Puzzle
[INFO] tweaked toml for git repo https://github.com/35359595/n-Queens-Completion-Puzzle written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/35359595/n-Queens-Completion-Puzzle 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9b138a6787a4cc7659df2ca3693890fb64cb9f5f10137c2086641acb7308cb12
[INFO] running `Command { std: "docker" "start" "-a" "9b138a6787a4cc7659df2ca3693890fb64cb9f5f10137c2086641acb7308cb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b138a6787a4cc7659df2ca3693890fb64cb9f5f10137c2086641acb7308cb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b138a6787a4cc7659df2ca3693890fb64cb9f5f10137c2086641acb7308cb12", kill_on_drop: false }`
[INFO] [stdout] 9b138a6787a4cc7659df2ca3693890fb64cb9f5f10137c2086641acb7308cb12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d44f2cc597a5c111dc96f7881c67f50fff07156e9199093cd98358d0ce552854
[INFO] running `Command { std: "docker" "start" "-a" "d44f2cc597a5c111dc96f7881c67f50fff07156e9199093cd98358d0ce552854", kill_on_drop: false }`
[INFO] [stderr]     Checking queen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "d44f2cc597a5c111dc96f7881c67f50fff07156e9199093cd98358d0ce552854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44f2cc597a5c111dc96f7881c67f50fff07156e9199093cd98358d0ce552854", kill_on_drop: false }`
[INFO] [stdout] d44f2cc597a5c111dc96f7881c67f50fff07156e9199093cd98358d0ce552854
[INFO] checking 35359595/n-Queens-Completion-Puzzle against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fn-Queens-Completion-Puzzle" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/35359595/n-Queens-Completion-Puzzle 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/35359595/n-Queens-Completion-Puzzle
[INFO] finished tweaking git repo https://github.com/35359595/n-Queens-Completion-Puzzle
[INFO] tweaked toml for git repo https://github.com/35359595/n-Queens-Completion-Puzzle written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/35359595/n-Queens-Completion-Puzzle 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 42719348794ac544c85ec58a56c595844bde9e9948c1fb6ecb2a2b61904fb8d4
[INFO] running `Command { std: "docker" "start" "-a" "42719348794ac544c85ec58a56c595844bde9e9948c1fb6ecb2a2b61904fb8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42719348794ac544c85ec58a56c595844bde9e9948c1fb6ecb2a2b61904fb8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42719348794ac544c85ec58a56c595844bde9e9948c1fb6ecb2a2b61904fb8d4", kill_on_drop: false }`
[INFO] [stdout] 42719348794ac544c85ec58a56c595844bde9e9948c1fb6ecb2a2b61904fb8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d23a2d3fef774183d5f2b50b7eb74c3af9f1f9f454439db94315b21e2d8fe32b
[INFO] running `Command { std: "docker" "start" "-a" "d23a2d3fef774183d5f2b50b7eb74c3af9f1f9f454439db94315b21e2d8fe32b", kill_on_drop: false }`
[INFO] [stderr]     Checking queen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     match inp_t.parse::<i16>(){
[INFO] [stdout] 116 | |         Ok(x) => return x,
[INFO] [stdout] 117 | |         Err(..) => panic!("Not an integger! {}", inp_t)
[INFO] [stdout] 118 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     match inp_t.parse::<i16>(){
[INFO] [stdout] 116 | |         Ok(x) => return x,
[INFO] [stdout] 117 | |         Err(..) => panic!("Not an integger! {}", inp_t)
[INFO] [stdout] 118 | |     };
[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 `queen` (bin "queen") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `queen` (bin "queen" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d23a2d3fef774183d5f2b50b7eb74c3af9f1f9f454439db94315b21e2d8fe32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23a2d3fef774183d5f2b50b7eb74c3af9f1f9f454439db94315b21e2d8fe32b", kill_on_drop: false }`
[INFO] [stdout] d23a2d3fef774183d5f2b50b7eb74c3af9f1f9f454439db94315b21e2d8fe32b