[INFO] fetching crate xgboost 0.1.4...
[INFO] checking xgboost-0.1.4 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate xgboost 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xgboost 0.1.4 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xgboost 0.1.4
[INFO] finished tweaking crates.io crate xgboost 0.1.4
[INFO] tweaked toml for crates.io crate xgboost 0.1.4 written to /workspace/builds/worker-7/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]  Downloading crates ...
[INFO] [stderr]   Downloaded xgboost-sys v0.1.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c71c0cbb4a53137459cb26d87728540d608156fc439e9c9414ef4214a9cfef04
[INFO] running `"docker" "start" "-a" "c71c0cbb4a53137459cb26d87728540d608156fc439e9c9414ef4214a9cfef04"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling bindgen v0.36.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/distributions/bernoulli.rs:103:20
[INFO] [stderr]     |
[INFO] [stderr] 103 |             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-0.7.3/src/distributions/bernoulli.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let p_int = ((f64::from(numerator) / f64::from(denominator)) * SCALE) as u64;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/distributions/binomial.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     x as i64
[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-0.7.3/src/distributions/poisson.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 int_result = result as u64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[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" "c71c0cbb4a53137459cb26d87728540d608156fc439e9c9414ef4214a9cfef04"`
[INFO] running `"docker" "rm" "-f" "c71c0cbb4a53137459cb26d87728540d608156fc439e9c9414ef4214a9cfef04"`
[INFO] [stdout] c71c0cbb4a53137459cb26d87728540d608156fc439e9c9414ef4214a9cfef04