[INFO] cloning repository https://github.com/gunners6518/rust-software-design-202106
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gunners6518/rust-software-design-202106" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgunners6518%2Frust-software-design-202106", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgunners6518%2Frust-software-design-202106'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0220605eaa2fe0ce31eba542695079a02c40fba
[INFO] testing gunners6518/rust-software-design-202106 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgunners6518%2Frust-software-design-202106" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gunners6518/rust-software-design-202106 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gunners6518/rust-software-design-202106
[INFO] finished tweaking git repo https://github.com/gunners6518/rust-software-design-202106
[INFO] tweaked toml for git repo https://github.com/gunners6518/rust-software-design-202106 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gunners6518/rust-software-design-202106 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-04-10" "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] 26619de7d8bafce4cd9c7c1e07af69d51ba83bd613dd8b39f1693a41132f3db1
[INFO] running `Command { std: "docker" "start" "-a" "26619de7d8bafce4cd9c7c1e07af69d51ba83bd613dd8b39f1693a41132f3db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26619de7d8bafce4cd9c7c1e07af69d51ba83bd613dd8b39f1693a41132f3db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26619de7d8bafce4cd9c7c1e07af69d51ba83bd613dd8b39f1693a41132f3db1", kill_on_drop: false }`
[INFO] [stdout] 26619de7d8bafce4cd9c7c1e07af69d51ba83bd613dd8b39f1693a41132f3db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-04-10" "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] ace2848fdea3320084b0e98ce760f6e85b59d5146f4626a635308fd8d8f26a37
[INFO] running `Command { std: "docker" "start" "-a" "ace2848fdea3320084b0e98ce760f6e85b59d5146f4626a635308fd8d8f26a37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling study-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `main` must be defined only once in the value namespace of this module
[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 E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `study-rust` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ace2848fdea3320084b0e98ce760f6e85b59d5146f4626a635308fd8d8f26a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace2848fdea3320084b0e98ce760f6e85b59d5146f4626a635308fd8d8f26a37", kill_on_drop: false }`
[INFO] [stdout] ace2848fdea3320084b0e98ce760f6e85b59d5146f4626a635308fd8d8f26a37