[INFO] updating cached repository https://github.com/christiansakai/link_crawler_rust
[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] 3d9f3116d501195a4a407ff76652eb4576a0ce59
[INFO] checking christiansakai/link_crawler_rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Flink_crawler_rust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christiansakai/link_crawler_rust 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/christiansakai/link_crawler_rust
[INFO] finished tweaking git repo https://github.com/christiansakai/link_crawler_rust
[INFO] tweaked toml for git repo https://github.com/christiansakai/link_crawler_rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/christiansakai/link_crawler_rust 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]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 63af15e30121d1687d649d75c49fec394b87526f0178767c3c43fd183e1dac27
[INFO] running `"docker" "start" "-a" "63af15e30121d1687d649d75c49fec394b87526f0178767c3c43fd183e1dac27"`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking phf_shared v0.7.23
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking url v1.7.1
[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]     Checking rand v0.3.22
[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]     Checking mime v0.2.6
[INFO] [stderr]     Checking tendril v0.4.0
[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" "63af15e30121d1687d649d75c49fec394b87526f0178767c3c43fd183e1dac27"`
[INFO] running `"docker" "rm" "-f" "63af15e30121d1687d649d75c49fec394b87526f0178767c3c43fd183e1dac27"`
[INFO] [stdout] 63af15e30121d1687d649d75c49fec394b87526f0178767c3c43fd183e1dac27