[INFO] crate microbench 0.5.0 is already in cache
[INFO] checking microbench-0.5.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate microbench 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate microbench 0.5.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate microbench 0.5.0
[INFO] finished tweaking crates.io crate microbench 0.5.0
[INFO] tweaked toml for crates.io crate microbench 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 6084dce1efe71c5c6143fd20737428dffac4dcb4037721c7d8215694e732fdea
[INFO] running `"docker" "start" "-a" "6084dce1efe71c5c6143fd20737428dffac4dcb4037721c7d8215694e732fdea"`
[INFO] [stderr]     Checking microbench v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> src/utility.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let start = self.current as u64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> src/utility.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 |         while self.current as u64 == start { self.current *= self.factor; }
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> src/utility.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |     for digit in (number as u64).to_string().chars().rev() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> src/utility.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let start = self.current as u64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> src/utility.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 |         while self.current as u64 == start { self.current *= self.factor; }
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `microbench`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> src/utility.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |     for digit in (number as u64).to_string().chars().rev() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `microbench`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6084dce1efe71c5c6143fd20737428dffac4dcb4037721c7d8215694e732fdea"`
[INFO] running `"docker" "rm" "-f" "6084dce1efe71c5c6143fd20737428dffac4dcb4037721c7d8215694e732fdea"`
[INFO] [stdout] 6084dce1efe71c5c6143fd20737428dffac4dcb4037721c7d8215694e732fdea