[INFO] cloning repository https://github.com/richardanaya/pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardanaya/pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 092b3d1b186d727236e7443bbc201d50503ba369
[INFO] testing richardanaya/pong against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardanaya%2Fpong" "/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/richardanaya/pong on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richardanaya/pong
[INFO] finished tweaking git repo https://github.com/richardanaya/pong
[INFO] tweaked toml for git repo https://github.com/richardanaya/pong written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/richardanaya/pong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8eda70294efff8fc4ffb8b52ef17d3e9e5a6e70f89a3f57da16d203e8f11465
[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" "b8eda70294efff8fc4ffb8b52ef17d3e9e5a6e70f89a3f57da16d203e8f11465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8eda70294efff8fc4ffb8b52ef17d3e9e5a6e70f89a3f57da16d203e8f11465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8eda70294efff8fc4ffb8b52ef17d3e9e5a6e70f89a3f57da16d203e8f11465", kill_on_drop: false }`
[INFO] [stdout] b8eda70294efff8fc4ffb8b52ef17d3e9e5a6e70f89a3f57da16d203e8f11465
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fa94dab856b1bd6b11994acb8163405bc4180b910274c12be64107a8210b245
[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" "2fa94dab856b1bd6b11994acb8163405bc4180b910274c12be64107a8210b245", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]    Compiling web-dom v0.1.3
[INFO] [stderr]    Compiling pong v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "2fa94dab856b1bd6b11994acb8163405bc4180b910274c12be64107a8210b245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa94dab856b1bd6b11994acb8163405bc4180b910274c12be64107a8210b245", kill_on_drop: false }`
[INFO] [stdout] 2fa94dab856b1bd6b11994acb8163405bc4180b910274c12be64107a8210b245
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 948e9e33634bf06bf2099ef7a614960701b617e54fcb643a06f059e18f9690c3
[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" "948e9e33634bf06bf2099ef7a614960701b617e54fcb643a06f059e18f9690c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pong v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: entry symbol `main` declared multiple times
[INFO] [stdout]   |
[INFO] [stdout]   = help: did you use `#[no_mangle]` on `fn main`? Use `#[start]` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pong`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "948e9e33634bf06bf2099ef7a614960701b617e54fcb643a06f059e18f9690c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948e9e33634bf06bf2099ef7a614960701b617e54fcb643a06f059e18f9690c3", kill_on_drop: false }`
[INFO] [stdout] 948e9e33634bf06bf2099ef7a614960701b617e54fcb643a06f059e18f9690c3