[INFO] crate frame_timer 0.1.2 is already in cache
[INFO] testing frame_timer-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate frame_timer 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate frame_timer 0.1.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate frame_timer 0.1.2
[INFO] finished tweaking crates.io crate frame_timer 0.1.2
[INFO] tweaked toml for crates.io crate frame_timer 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 176c890c3fc4ac8f2ac8c64a569b950737ef8d29458fc0cf9bb16fa5d5c4c4fd
[INFO] running `"docker" "start" "-a" "176c890c3fc4ac8f2ac8c64a569b950737ef8d29458fc0cf9bb16fa5d5c4c4fd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling frame_timer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/frame_timer.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         (self.delta_time as f32 / 1000f32)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/frame_timer.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |         self.delta_time = self.frame_duration.as_millis();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found `u128`
[INFO] [stderr]    |
[INFO] [stderr] help: you can convert an `u128` to `u64` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 63 |         self.delta_time = self.frame_duration.as_millis().try_into().unwrap();
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `frame_timer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "176c890c3fc4ac8f2ac8c64a569b950737ef8d29458fc0cf9bb16fa5d5c4c4fd"`
[INFO] running `"docker" "rm" "-f" "176c890c3fc4ac8f2ac8c64a569b950737ef8d29458fc0cf9bb16fa5d5c4c4fd"`
[INFO] [stdout] 176c890c3fc4ac8f2ac8c64a569b950737ef8d29458fc0cf9bb16fa5d5c4c4fd