[INFO] updating cached repository https://github.com/lazertooth/hello_world
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c134e5d1ae84f720d0a14b09a7a99c856fd9a05
[INFO] checking lazertooth/hello_world against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazertooth%2Fhello_world" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  37% (425/1146)   
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[INFO] validating manifest of git repo https://github.com/lazertooth/hello_world 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/lazertooth/hello_world
[INFO] finished tweaking git repo https://github.com/lazertooth/hello_world
[INFO] tweaked toml for git repo https://github.com/lazertooth/hello_world written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lazertooth/hello_world 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-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] 1876ea2de74ed7a3f5e967269376f86e0c459d70043d6db98d0ea3e024f4e76c
[INFO] running `"docker" "start" "-a" "1876ea2de74ed7a3f5e967269376f86e0c459d70043d6db98d0ea3e024f4e76c"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking rand_core v0.5.1 (https://github.com/rust-lang-nursery/rand.git#4dd10bcb)
[INFO] [stderr]     Checking rand_chacha v0.2.1 (https://github.com/rust-lang-nursery/rand.git#4dd10bcb)
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.7.2 (https://github.com/rust-lang-nursery/rand.git#4dd10bcb)
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/rand-02690058d91f0548/4dd10bc/src/distributions/bernoulli.rs:88:31
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(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/git/checkouts/rand-02690058d91f0548/4dd10bc/src/distributions/bernoulli.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let p_int = ((f64::from(numerator) / f64::from(denominator)) * SCALE) as u64;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/rand-02690058d91f0548/4dd10bc/src/distributions/poisson.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 int_result = result as u64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/git/checkouts/rand-02690058d91f0548/4dd10bc/src/distributions/binomial.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     x as i64
[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] running `"docker" "inspect" "1876ea2de74ed7a3f5e967269376f86e0c459d70043d6db98d0ea3e024f4e76c"`
[INFO] running `"docker" "rm" "-f" "1876ea2de74ed7a3f5e967269376f86e0c459d70043d6db98d0ea3e024f4e76c"`
[INFO] [stdout] 1876ea2de74ed7a3f5e967269376f86e0c459d70043d6db98d0ea3e024f4e76c