[INFO] updating cached repository https://github.com/open-railsim/network-generator
[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] 0c1f261cafa96f7e23cb22932b685a1e622bada0
[INFO] checking open-railsim/network-generator against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopen-railsim%2Fnetwork-generator" "/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/open-railsim/network-generator 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/open-railsim/network-generator
[INFO] finished tweaking git repo https://github.com/open-railsim/network-generator
[INFO] tweaked toml for git repo https://github.com/open-railsim/network-generator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/open-railsim/network-generator 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-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] 8f7251ce96088a8463eeb3e3c1f0b22c96fec6742ac0f5fd83ae9924c0df3768
[INFO] running `"docker" "start" "-a" "8f7251ce96088a8463eeb3e3c1f0b22c96fec6742ac0f5fd83ae9924c0df3768"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libmath-0.2.1/src/round.rs:315:10
[INFO] [stderr]     |
[INFO] [stderr] 315 |     let a = (v * m) as i64;
[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/libmath-0.2.1/src/round.rs:316:10
[INFO] [stderr]     |
[INFO] [stderr] 316 |     let b = ((v + f) * m) as i64;
[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/libmath-0.2.1/src/round.rs:317:10
[INFO] [stderr]     |
[INFO] [stderr] 317 |     let c = ((v - f) * m) as i64;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `libmath`.
[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" "8f7251ce96088a8463eeb3e3c1f0b22c96fec6742ac0f5fd83ae9924c0df3768"`
[INFO] running `"docker" "rm" "-f" "8f7251ce96088a8463eeb3e3c1f0b22c96fec6742ac0f5fd83ae9924c0df3768"`
[INFO] [stdout] 8f7251ce96088a8463eeb3e3c1f0b22c96fec6742ac0f5fd83ae9924c0df3768