[INFO] cloning repository https://github.com/davidlag0/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidlag0/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidlag0%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidlag0%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8a04414c76cee1939713198f2e7e10fee82dd21
[INFO] checking davidlag0/advent-of-code-2021 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidlag0%2Fadvent-of-code-2021" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidlag0/advent-of-code-2021 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/davidlag0/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/davidlag0/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/davidlag0/advent-of-code-2021 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davidlag0/advent-of-code-2021 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 867a3e73f35260f12cf35ef67a523e0a7d8f78774b7a3e5ec6a3987be172d5f4
[INFO] running `Command { std: "docker" "start" "-a" "867a3e73f35260f12cf35ef67a523e0a7d8f78774b7a3e5ec6a3987be172d5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "867a3e73f35260f12cf35ef67a523e0a7d8f78774b7a3e5ec6a3987be172d5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867a3e73f35260f12cf35ef67a523e0a7d8f78774b7a3e5ec6a3987be172d5f4", kill_on_drop: false }`
[INFO] [stdout] 867a3e73f35260f12cf35ef67a523e0a7d8f78774b7a3e5ec6a3987be172d5f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f0f6aa665cb83c17df3ec438880a1ad7a986271b83ea0021de0b697335031bf3
[INFO] running `Command { std: "docker" "start" "-a" "f0f6aa665cb83c17df3ec438880a1ad7a986271b83ea0021de0b697335031bf3", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "f0f6aa665cb83c17df3ec438880a1ad7a986271b83ea0021de0b697335031bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f6aa665cb83c17df3ec438880a1ad7a986271b83ea0021de0b697335031bf3", kill_on_drop: false }`
[INFO] [stdout] f0f6aa665cb83c17df3ec438880a1ad7a986271b83ea0021de0b697335031bf3
[INFO] checking davidlag0/advent-of-code-2021 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidlag0%2Fadvent-of-code-2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidlag0/advent-of-code-2021 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/davidlag0/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/davidlag0/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/davidlag0/advent-of-code-2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davidlag0/advent-of-code-2021 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 27b7532dbec4b65ad44b879e5d2aeb2140d8a9e2541c0d2f3fb71b8f8a89668e
[INFO] running `Command { std: "docker" "start" "-a" "27b7532dbec4b65ad44b879e5d2aeb2140d8a9e2541c0d2f3fb71b8f8a89668e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27b7532dbec4b65ad44b879e5d2aeb2140d8a9e2541c0d2f3fb71b8f8a89668e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b7532dbec4b65ad44b879e5d2aeb2140d8a9e2541c0d2f3fb71b8f8a89668e", kill_on_drop: false }`
[INFO] [stdout] 27b7532dbec4b65ad44b879e5d2aeb2140d8a9e2541c0d2f3fb71b8f8a89668e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 516644bda6b72a4dfb001be29fecc3833c38e2144233c8e94e912cde672d03b3
[INFO] running `Command { std: "docker" "start" "-a" "516644bda6b72a4dfb001be29fecc3833c38e2144233c8e94e912cde672d03b3", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/day4.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 | /         match winner_board {
[INFO] [stdout] 185 | |             Some(board) => {
[INFO] [stdout] 186 | |                 board_sum = board.sum();
[INFO] [stdout] 187 | |                 break;
[INFO] [stdout] 188 | |             }
[INFO] [stdout] 189 | |             _ => continue,
[INFO] [stdout] 190 | |         };
[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[E0282]: type annotations needed
[INFO] [stdout]    --> src/day4.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 | /         match winner_board {
[INFO] [stdout] 185 | |             Some(board) => {
[INFO] [stdout] 186 | |                 board_sum = board.sum();
[INFO] [stdout] 187 | |                 break;
[INFO] [stdout] 188 | |             }
[INFO] [stdout] 189 | |             _ => continue,
[INFO] [stdout] 190 | |         };
[INFO] [stdout]     | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-2021` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `rust-2021` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "516644bda6b72a4dfb001be29fecc3833c38e2144233c8e94e912cde672d03b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516644bda6b72a4dfb001be29fecc3833c38e2144233c8e94e912cde672d03b3", kill_on_drop: false }`
[INFO] [stdout] 516644bda6b72a4dfb001be29fecc3833c38e2144233c8e94e912cde672d03b3