[INFO] cloning repository https://github.com/botwob/AdventOfCode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/botwob/AdventOfCode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotwob%2FAdventOfCode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotwob%2FAdventOfCode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d74c6d3aa202fc4d5a17fedac04e0ada0c8df64a
[INFO] checking botwob/AdventOfCode2019 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbotwob%2FAdventOfCode2019" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/botwob/AdventOfCode2019 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/botwob/AdventOfCode2019
[INFO] finished tweaking git repo https://github.com/botwob/AdventOfCode2019
[INFO] tweaked toml for git repo https://github.com/botwob/AdventOfCode2019 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/botwob/AdventOfCode2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc98a2dc96ab5c2ea776e6b92bab5fe7fcab3ce5fd087eb7e495b3f22330b0fd
[INFO] running `Command { std: "docker" "start" "-a" "bc98a2dc96ab5c2ea776e6b92bab5fe7fcab3ce5fd087eb7e495b3f22330b0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc98a2dc96ab5c2ea776e6b92bab5fe7fcab3ce5fd087eb7e495b3f22330b0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc98a2dc96ab5c2ea776e6b92bab5fe7fcab3ce5fd087eb7e495b3f22330b0fd", kill_on_drop: false }`
[INFO] [stdout] bc98a2dc96ab5c2ea776e6b92bab5fe7fcab3ce5fd087eb7e495b3f22330b0fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eddd2b5cbee1cc577e8a6a83ff547481e316a53c78a68f64ad227e0737083252
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eddd2b5cbee1cc577e8a6a83ff547481e316a53c78a68f64ad227e0737083252", kill_on_drop: false }`
[INFO] [stderr]     Checking advent1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed for `&T`
[INFO] [stdout]  --> src/day1.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("{}", numbers.iter().fold(0, |acc, fuel| acc + (fuel/3) -2 ))
[INFO] [stdout]   |                                                 ^^^^ consider giving this closure parameter the explicit type `&T`, where the type parameter `T` is specified
[INFO] [stdout]   |
[INFO] [stdout]   = note: cannot satisfy `<_ as FromStr>::Err == _`
[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 E0284`.
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed for `&T`
[INFO] [stdout]  --> src/day1.rs:5:49
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("{}", numbers.iter().fold(0, |acc, fuel| acc + (fuel/3) -2 ))
[INFO] [stdout]   |                                                 ^^^^ consider giving this closure parameter the explicit type `&T`, where the type parameter `T` is specified
[INFO] [stdout]   |
[INFO] [stdout]   = note: cannot satisfy `<_ as FromStr>::Err == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent1` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eddd2b5cbee1cc577e8a6a83ff547481e316a53c78a68f64ad227e0737083252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddd2b5cbee1cc577e8a6a83ff547481e316a53c78a68f64ad227e0737083252", kill_on_drop: false }`
[INFO] [stdout] eddd2b5cbee1cc577e8a6a83ff547481e316a53c78a68f64ad227e0737083252