[INFO] cloning repository https://github.com/eltiare/dr-gen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eltiare/dr-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltiare%2Fdr-gen"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltiare%2Fdr-gen'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9088dd1f4b349366a54fd564fa70e1ed365c9b8f
[INFO] checking eltiare/dr-gen against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feltiare%2Fdr-gen" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eltiare/dr-gen 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/eltiare/dr-gen
[INFO] finished tweaking git repo https://github.com/eltiare/dr-gen
[INFO] tweaked toml for git repo https://github.com/eltiare/dr-gen written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/eltiare/dr-gen already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e80565149e0ed88d83f9df21f1eaf5633eaf320b0b1d24feeb7fa21c3c06fac9
[INFO] running `"docker" "start" "-a" "e80565149e0ed88d83f9df21f1eaf5633eaf320b0b1d24feeb7fa21c3c06fac9"`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/distributions/bernoulli.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Bernoulli { p_int: (p * SCALE) 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-0.6.5/src/distributions/bernoulli.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let p_int = ((numerator as f64 / denominator as f64) * SCALE) as u64;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/distributions/poisson.rs:95:30
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 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-0.6.5/src/distributions/binomial.rs:124:22
[INFO] [stderr]     |
[INFO] [stderr] 124 |             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-0.6.5/src/distributions/binomial.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |             lresult as u64
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 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" "e80565149e0ed88d83f9df21f1eaf5633eaf320b0b1d24feeb7fa21c3c06fac9"`
[INFO] running `"docker" "rm" "-f" "e80565149e0ed88d83f9df21f1eaf5633eaf320b0b1d24feeb7fa21c3c06fac9"`
[INFO] [stdout] e80565149e0ed88d83f9df21f1eaf5633eaf320b0b1d24feeb7fa21c3c06fac9