[INFO] updating cached repository https://github.com/dwerner/rust-dispatch
[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] ead26ca50ba5cff74d81b863c39c685a035b9916
[INFO] checking dwerner/rust-dispatch against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwerner%2Frust-dispatch" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwerner/rust-dispatch on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dwerner/rust-dispatch
[INFO] finished tweaking git repo https://github.com/dwerner/rust-dispatch
[INFO] tweaked toml for git repo https://github.com/dwerner/rust-dispatch written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dwerner/rust-dispatch already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "+beta-2019-10-27" "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] 2ea084c35c7814109e124914cf7fc0bf57ced4ffb315a6c46b32ac6f71b2af2e
[INFO] running `"docker" "start" "-a" "2ea084c35c7814109e124914cf7fc0bf57ced4ffb315a6c46b32ac6f71b2af2e"`
[INFO] [stderr]     Checking dispatch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `dispatch`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0605]: non-primitive cast: `&mut std::boxed::Box<dyn dynamic_tests::Component>` as `&mut std::boxed::Box<dyn dynamic_tests::HealthComponent>`
[INFO] [stderr]    --> src/lib.rs:198:28
[INFO] [stderr]     |
[INFO] [stderr] 198 |       if let actual_comp = b as &mut Box<HealthComponent> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
[INFO] [stderr] 
[INFO] [stderr] error[E0605]: non-primitive cast: `&mut std::boxed::Box<dyn dynamic_tests::Component>` as `&mut std::boxed::Box<dyn dynamic_tests::PathingComponent>`
[INFO] [stderr]    --> src/lib.rs:201:28
[INFO] [stderr]     |
[INFO] [stderr] 201 |       if let actual_comp = b as &mut Box<PathingComponent> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0605.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `dispatch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2ea084c35c7814109e124914cf7fc0bf57ced4ffb315a6c46b32ac6f71b2af2e"`
[INFO] running `"docker" "rm" "-f" "2ea084c35c7814109e124914cf7fc0bf57ced4ffb315a6c46b32ac6f71b2af2e"`
[INFO] [stdout] 2ea084c35c7814109e124914cf7fc0bf57ced4ffb315a6c46b32ac6f71b2af2e