[INFO] cloning repository https://github.com/DominicBurkart/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DominicBurkart/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominicBurkart%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominicBurkart%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 400f4304d29ba2c84863140e3692185384da9968
[INFO] testing DominicBurkart/advent_of_code_2018 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominicBurkart%2Fadvent_of_code_2018" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DominicBurkart/advent_of_code_2018 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DominicBurkart/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/DominicBurkart/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/DominicBurkart/advent_of_code_2018 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/DominicBurkart/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4c7280c7312ec08995ecceb40dac14bae80f4625be7b457ea955bd9c4e4d48e
[INFO] running `Command { std: "docker" "start" "-a" "b4c7280c7312ec08995ecceb40dac14bae80f4625be7b457ea955bd9c4e4d48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c7280c7312ec08995ecceb40dac14bae80f4625be7b457ea955bd9c4e4d48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c7280c7312ec08995ecceb40dac14bae80f4625be7b457ea955bd9c4e4d48e", kill_on_drop: false }`
[INFO] [stdout] b4c7280c7312ec08995ecceb40dac14bae80f4625be7b457ea955bd9c4e4d48e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d0a73aa64f6f30b94497d8e54d71cec9423fd5352f66abc533a453b4a8747a
[INFO] running `Command { std: "docker" "start" "-a" "08d0a73aa64f6f30b94497d8e54d71cec9423fd5352f66abc533a453b4a8747a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cute v0.3.0
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:30:71
[INFO] [stdout]    |
[INFO] [stdout] 30 |     inputs.iter().map(|file_string| {*file_string.clone().split("\n").collect()}).collect()
[INFO] [stdout]    |                                                                       ^^^^^^^ cannot infer type for type parameter `B` declared on the associated function `collect`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type must be known at this point
[INFO] [stdout] help: consider specifying the type argument in the method call
[INFO] [stdout]    |
[INFO] [stdout] 30 |     inputs.iter().map(|file_string| {*file_string.clone().split("\n").collect::<B>()}).collect()
[INFO] [stdout]    |                                                                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `advent_of_code_2018` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "08d0a73aa64f6f30b94497d8e54d71cec9423fd5352f66abc533a453b4a8747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d0a73aa64f6f30b94497d8e54d71cec9423fd5352f66abc533a453b4a8747a", kill_on_drop: false }`
[INFO] [stdout] 08d0a73aa64f6f30b94497d8e54d71cec9423fd5352f66abc533a453b4a8747a