[INFO] cloning repository https://github.com/gbear605/Mu-Puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gbear605/Mu-Puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbear605%2FMu-Puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbear605%2FMu-Puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e255b9e682fa5065564ebb502dac50ca8eab98b0
[INFO] checking gbear605/Mu-Puzzle against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbear605%2FMu-Puzzle" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gbear605/Mu-Puzzle on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gbear605/Mu-Puzzle
[INFO] finished tweaking git repo https://github.com/gbear605/Mu-Puzzle
[INFO] tweaked toml for git repo https://github.com/gbear605/Mu-Puzzle written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/gbear605/Mu-Puzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f002f7ebdfbfdeb28ae34c58162e820025d44311325e892c9cf485a664af07cd
[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" "f002f7ebdfbfdeb28ae34c58162e820025d44311325e892c9cf485a664af07cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f002f7ebdfbfdeb28ae34c58162e820025d44311325e892c9cf485a664af07cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f002f7ebdfbfdeb28ae34c58162e820025d44311325e892c9cf485a664af07cd", kill_on_drop: false }`
[INFO] [stdout] f002f7ebdfbfdeb28ae34c58162e820025d44311325e892c9cf485a664af07cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c4a43152ffb6ba88947b1d4044f510b9bac2af7d1f7354c6a8aa13b9ef231c3
[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" "1c4a43152ffb6ba88947b1d4044f510b9bac2af7d1f7354c6a8aa13b9ef231c3", kill_on_drop: false }`
[INFO] [stderr]     Checking Mu-Puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Mu_Puzzle` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mu_puzzle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Mu_Puzzle` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mu_puzzle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "1c4a43152ffb6ba88947b1d4044f510b9bac2af7d1f7354c6a8aa13b9ef231c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4a43152ffb6ba88947b1d4044f510b9bac2af7d1f7354c6a8aa13b9ef231c3", kill_on_drop: false }`
[INFO] [stdout] 1c4a43152ffb6ba88947b1d4044f510b9bac2af7d1f7354c6a8aa13b9ef231c3