[INFO] cloning repository https://github.com/yuhama/gender-decoder-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuhama/gender-decoder-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuhama%2Fgender-decoder-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuhama%2Fgender-decoder-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50a8a3a30495beb45ba39f8239991ea70f672fa9
[INFO] checking yuhama/gender-decoder-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuhama%2Fgender-decoder-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuhama/gender-decoder-rs 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/yuhama/gender-decoder-rs
[INFO] finished tweaking git repo https://github.com/yuhama/gender-decoder-rs
[INFO] tweaked toml for git repo https://github.com/yuhama/gender-decoder-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yuhama/gender-decoder-rs 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] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[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] [stdout] bdb4705de32d8c509b7186ae2d1bfbed89788b5a610853169c426434162e838d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bdb4705de32d8c509b7186ae2d1bfbed89788b5a610853169c426434162e838d"`
[INFO] [stderr] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[INFO] [stderr]    Compiling rocket v0.4.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.5/src/distributions/poisson.rs:96:30
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 int_result = result as u64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.5/src/distributions/binomial.rs:125:22
[INFO] [stderr]     |
[INFO] [stderr] 125 |             self.n - lresult as u64
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.5/src/distributions/binomial.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |             lresult as u64
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.5/src/distributions/bernoulli.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             (p * MAX_P_INT) as u64
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `rand`.
[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" "bdb4705de32d8c509b7186ae2d1bfbed89788b5a610853169c426434162e838d"`
[INFO] running `"docker" "rm" "-f" "bdb4705de32d8c509b7186ae2d1bfbed89788b5a610853169c426434162e838d"`
[INFO] [stdout] bdb4705de32d8c509b7186ae2d1bfbed89788b5a610853169c426434162e838d