[INFO] cloning repository https://github.com/popwser/burger_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/popwser/burger_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpopwser%2Fburger_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpopwser%2Fburger_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddbdd42f8df9c9c343da943e5e64586358b4572e
[INFO] testing popwser/burger_engine against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpopwser%2Fburger_engine" "/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/popwser/burger_engine on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/popwser/burger_engine
[INFO] finished tweaking git repo https://github.com/popwser/burger_engine
[INFO] tweaked toml for git repo https://github.com/popwser/burger_engine written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/popwser/burger_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl v0.12.0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e17ad33142f93031cf5cf6c65dcf0ea876bd5464c3096a51a0f7d1cdb3a7016
[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" "2e17ad33142f93031cf5cf6c65dcf0ea876bd5464c3096a51a0f7d1cdb3a7016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e17ad33142f93031cf5cf6c65dcf0ea876bd5464c3096a51a0f7d1cdb3a7016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e17ad33142f93031cf5cf6c65dcf0ea876bd5464c3096a51a0f7d1cdb3a7016", kill_on_drop: false }`
[INFO] [stdout] 2e17ad33142f93031cf5cf6c65dcf0ea876bd5464c3096a51a0f7d1cdb3a7016
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f375b2bfdf96c494ab76bdd8014b4bb99487e716f3ac5943e5366ae883b73a6b
[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" "f375b2bfdf96c494ab76bdd8014b4bb99487e716f3ac5943e5366ae883b73a6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling semver v0.2.3
[INFO] [stderr]    Compiling gl v0.12.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling glfw v0.27.0 (https://github.com/bjz/glfw-rs.git#043283ff)
[INFO] [stderr]    Compiling burger_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `(`, `.`, `;`, `?`, `}`, or an operator, found `::`
[INFO] [stdout]   --> src/main.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     glfw_instance.set_swap_interval({glfw.SwapInterval::Sync(1)});
[INFO] [stdout]    |                                                       ^^ expected one of `(`, `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/main.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |     glfw_instance.set_swap_interval({glfw.SwapInterval::Sync(1)});
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `burger_engine`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f375b2bfdf96c494ab76bdd8014b4bb99487e716f3ac5943e5366ae883b73a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f375b2bfdf96c494ab76bdd8014b4bb99487e716f3ac5943e5366ae883b73a6b", kill_on_drop: false }`
[INFO] [stdout] f375b2bfdf96c494ab76bdd8014b4bb99487e716f3ac5943e5366ae883b73a6b