[INFO] fetching crate histogram 0.6.9...
[INFO] checking histogram-0.6.9 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate histogram 0.6.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate histogram 0.6.9 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate histogram 0.6.9
[INFO] finished tweaking crates.io crate histogram 0.6.9
[INFO] tweaked toml for crates.io crate histogram 0.6.9 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] 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] 2ebc573d43f9f066c2d56e69f022aacc1c67dacf5a4a49392c1739710bcbd68a
[INFO] running `"docker" "start" "-a" "2ebc573d43f9f066c2d56e69f022aacc1c67dacf5a4a49392c1739710bcbd68a"`
[INFO] [stderr]     Checking histogram v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:352:31
[INFO] [stderr]     |
[INFO] [stderr] 352 |         let linear_max: u64 = 2.0_f64.powi(linear_power as i32) as u64;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/lib.rs:547:21
[INFO] [stderr]     |
[INFO] [stderr] 547 |           let inner = (f64::from(self.properties.buckets_inner) * remain as f64 /
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 548 | |                          2.0_f64.powi((outer) as i32))
[INFO] [stderr] 549 | |             .floor() as u32;
[INFO] [stderr]     | |___________________________^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/lib.rs:573:21
[INFO] [stderr]     |
[INFO] [stderr] 573 |           let outer = (f64::from(log_index) / f64::from(self.properties.buckets_inner)).floor() as
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 574 | |             u32;
[INFO] [stderr]     | |_______________^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:584:9
[INFO] [stderr]     |
[INFO] [stderr] 584 |         value.ceil() as u64
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:611:28
[INFO] [stderr]     |
[INFO] [stderr] 611 |             let mut need = (total as f64 * (percentile / 100.0_f64)).ceil() as u64;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:716:12
[INFO] [stderr]     |
[INFO] [stderr] 716 |         Ok(mean.ceil() as u64)
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:750:12
[INFO] [stderr]     |
[INFO] [stderr] 750 |         Ok(stdvar.ceil() as u64)
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:787:14
[INFO] [stderr]     |
[INFO] [stderr] 787 |         Some(stddev.ceil() as u64)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `histogram`.
[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/lib.rs:352:31
[INFO] [stderr]     |
[INFO] [stderr] 352 |         let linear_max: u64 = 2.0_f64.powi(linear_power as i32) as u64;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/lib.rs:547:21
[INFO] [stderr]     |
[INFO] [stderr] 547 |           let inner = (f64::from(self.properties.buckets_inner) * remain as f64 /
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 548 | |                          2.0_f64.powi((outer) as i32))
[INFO] [stderr] 549 | |             .floor() as u32;
[INFO] [stderr]     | |___________________________^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/lib.rs:573:21
[INFO] [stderr]     |
[INFO] [stderr] 573 |           let outer = (f64::from(log_index) / f64::from(self.properties.buckets_inner)).floor() as
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 574 | |             u32;
[INFO] [stderr]     | |_______________^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:584:9
[INFO] [stderr]     |
[INFO] [stderr] 584 |         value.ceil() as u64
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:611:28
[INFO] [stderr]     |
[INFO] [stderr] 611 |             let mut need = (total as f64 * (percentile / 100.0_f64)).ceil() as u64;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:716:12
[INFO] [stderr]     |
[INFO] [stderr] 716 |         Ok(mean.ceil() as u64)
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:750:12
[INFO] [stderr]     |
[INFO] [stderr] 750 |         Ok(stdvar.ceil() as u64)
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> src/lib.rs:787:14
[INFO] [stderr]     |
[INFO] [stderr] 787 |         Some(stddev.ceil() as u64)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `histogram`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2ebc573d43f9f066c2d56e69f022aacc1c67dacf5a4a49392c1739710bcbd68a"`
[INFO] running `"docker" "rm" "-f" "2ebc573d43f9f066c2d56e69f022aacc1c67dacf5a4a49392c1739710bcbd68a"`
[INFO] [stdout] 2ebc573d43f9f066c2d56e69f022aacc1c67dacf5a4a49392c1739710bcbd68a