[INFO] cloning repository https://github.com/lhjok/Calc-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lhjok/Calc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhjok%2FCalc-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhjok%2FCalc-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f641aa4e7a91a649a9ad6ed419cabec1c3318c1
[INFO] checking lhjok/Calc-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhjok%2FCalc-rs" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lhjok/Calc-rs 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/lhjok/Calc-rs
[INFO] finished tweaking git repo https://github.com/lhjok/Calc-rs
[INFO] tweaked toml for git repo https://github.com/lhjok/Calc-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/lhjok/Calc-rs 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 560dc513617d40f28de02b6b18b6b57baaa98628f76e7354e2ff648d08503f76
[INFO] running `"docker" "start" "-a" "560dc513617d40f28de02b6b18b6b57baaa98628f76e7354e2ff648d08503f76"`
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rug-1.6.0/src/float/big.rs:8402:21
[INFO] [stderr]      |
[INFO] [stderr] 8402 |             let m = (f64::from(p) / log2_radix).ceil() as u32;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rug-1.6.0/src/float/big.rs:8409:26
[INFO] [stderr]      |
[INFO] [stderr] 8409 |         let exp_digits = (exp * LOG10_2).ceil() as usize + 2;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `rug`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "560dc513617d40f28de02b6b18b6b57baaa98628f76e7354e2ff648d08503f76"`
[INFO] running `"docker" "rm" "-f" "560dc513617d40f28de02b6b18b6b57baaa98628f76e7354e2ff648d08503f76"`
[INFO] [stdout] 560dc513617d40f28de02b6b18b6b57baaa98628f76e7354e2ff648d08503f76