[INFO] cloning repository https://github.com/blt/mmap_comm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/mmap_comm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fmmap_comm"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fmmap_comm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0a505789d7e9ba8da6d04b2bf3f1b7e4617e897
[INFO] checking blt/mmap_comm against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Fmmap_comm" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/mmap_comm on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/blt/mmap_comm
[INFO] finished tweaking git repo https://github.com/blt/mmap_comm
[INFO] tweaked toml for git repo https://github.com/blt/mmap_comm written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/mmap_comm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quantiles v0.7.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cd94e609bf30214d906c022b675ed9a6e6c14610a3150cbd63ab7cb282cce3dd
[INFO] running `"docker" "start" "-a" "cd94e609bf30214d906c022b675ed9a6e6c14610a3150cbd63ab7cb282cce3dd"`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking quantiles v0.7.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/greenwald_khanna.rs:208:23
[INFO] [stderr]     |
[INFO] [stderr] 208 |             t.delta = (2f64 * self.epsilon * (self.n as f64).floor()) as usize;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/greenwald_khanna.rs:226:17
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let r = (phi * self.n as f64).floor() as usize;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/greenwald_khanna.rs:227:18
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let en = (self.epsilon * self.n as f64) as usize;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/greenwald_khanna.rs:249:22
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let period = (1f64 / (2f64 * self.epsilon)).floor() as usize;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/greenwald_khanna.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         (diff as f64).log(2f64).floor() as usize
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/greenwald_khanna.rs:302:9
[INFO] [stderr]     |
[INFO] [stderr] 302 |         (2f64 * self.epsilon * (self.n as f64)).floor() as usize
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/ckms/mod.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             insert_threshold as usize
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quantiles-0.7.0/src/ckms/store.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let i = (2.0 * error * r).floor() as u32;
[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 `quantiles`.
[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: build failed
[INFO] running `"docker" "inspect" "cd94e609bf30214d906c022b675ed9a6e6c14610a3150cbd63ab7cb282cce3dd"`
[INFO] running `"docker" "rm" "-f" "cd94e609bf30214d906c022b675ed9a6e6c14610a3150cbd63ab7cb282cce3dd"`
[INFO] [stdout] cd94e609bf30214d906c022b675ed9a6e6c14610a3150cbd63ab7cb282cce3dd