[INFO] updating cached repository https://github.com/desttinghim/flapjack-lang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94b18644f7cd2f58edd6ccdd93b3731a4eaf6b27
[INFO] checking desttinghim/flapjack-lang against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesttinghim%2Fflapjack-lang" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/desttinghim/flapjack-lang on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/desttinghim/flapjack-lang
[INFO] finished tweaking git repo https://github.com/desttinghim/flapjack-lang
[INFO] tweaked toml for git repo https://github.com/desttinghim/flapjack-lang written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/desttinghim/flapjack-lang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a52343a933e7956055c3fc2e3418c11527e095a3d3768635a5ce80d5fdad3618
[INFO] running `"docker" "start" "-a" "a52343a933e7956055c3fc2e3418c11527e095a3d3768635a5ce80d5fdad3618"`
[INFO] [stderr]     Checking flapjack v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |     native_code:    Vec<&'a Fn(&mut Vec<u32>)->()>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<u32>)->()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:64:41
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn add_native(&mut self, func: &'a Fn(&mut Vec<u32>)->())->u32 {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<u32>)->()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |     native_code:    Vec<&'a Fn(&mut Vec<u32>)->()>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<u32>)->()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm.rs:64:41
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn add_native(&mut self, func: &'a Fn(&mut Vec<u32>)->())->u32 {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Vec<u32>)->()`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `"docker" "inspect" "a52343a933e7956055c3fc2e3418c11527e095a3d3768635a5ce80d5fdad3618"`
[INFO] running `"docker" "rm" "-f" "a52343a933e7956055c3fc2e3418c11527e095a3d3768635a5ce80d5fdad3618"`
[INFO] [stdout] a52343a933e7956055c3fc2e3418c11527e095a3d3768635a5ce80d5fdad3618