[INFO] cloning repository https://github.com/calm1205/Rust_dev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calm1205/Rust_dev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalm1205%2FRust_dev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalm1205%2FRust_dev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b2a246c75310ae810e8e18047d2f046c9e133e5
[INFO] testing calm1205/Rust_dev against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalm1205%2FRust_dev" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calm1205/Rust_dev on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calm1205/Rust_dev
[INFO] finished tweaking git repo https://github.com/calm1205/Rust_dev
[INFO] tweaked toml for git repo https://github.com/calm1205/Rust_dev written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/calm1205/Rust_dev already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd4429803b6fdc300ca7bbcd893a8ab741456f437c62700585e54b068c42e408
[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" "cd4429803b6fdc300ca7bbcd893a8ab741456f437c62700585e54b068c42e408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd4429803b6fdc300ca7bbcd893a8ab741456f437c62700585e54b068c42e408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4429803b6fdc300ca7bbcd893a8ab741456f437c62700585e54b068c42e408", kill_on_drop: false }`
[INFO] [stdout] cd4429803b6fdc300ca7bbcd893a8ab741456f437c62700585e54b068c42e408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 5a39714d3b0c493023e7de2cd183959043cdbe8144b6ae69c9efa4aad92eacf9
[INFO] running `Command { std: "docker" "start" "-a" "5a39714d3b0c493023e7de2cd183959043cdbe8144b6ae69c9efa4aad92eacf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<T>`
[INFO] [stdout]  --> src/generics.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |   let number_list = vec![];
[INFO] [stdout]   |       -----------   ^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout]   |       |
[INFO] [stdout]   |       consider giving `number_list` the explicit type `Vec<T>`, where the type parameter `T` is specified
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `rust-lesson` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5a39714d3b0c493023e7de2cd183959043cdbe8144b6ae69c9efa4aad92eacf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a39714d3b0c493023e7de2cd183959043cdbe8144b6ae69c9efa4aad92eacf9", kill_on_drop: false }`
[INFO] [stdout] 5a39714d3b0c493023e7de2cd183959043cdbe8144b6ae69c9efa4aad92eacf9