[INFO] fetching crate nibi 0.0.2...
[INFO] checking nibi-0.0.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate nibi 0.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate nibi 0.0.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nibi 0.0.2
[INFO] finished tweaking crates.io crate nibi 0.0.2
[INFO] tweaked toml for crates.io crate nibi 0.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate nibi 0.0.2 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9659db2ba95dc733ea58ad8421ec18fa2f69d32f163051e0999745dbdb03ee8c
[INFO] running `"docker" "start" "-a" "9659db2ba95dc733ea58ad8421ec18fa2f69d32f163051e0999745dbdb03ee8c"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ron-0.5.1/src/value.rs:43:25
[INFO] [stderr]    |
[INFO] [stderr] 43 |         state.write_u64(self.0 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/ron-0.5.1/src/value.rs:135:51
[INFO] [stderr]     |
[INFO] [stderr] 135 |             Value::Number(n) => visitor.visit_i64(n.get() 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/ron-0.5.1/src/value.rs:166:51
[INFO] [stderr]     |
[INFO] [stderr] 166 |             Value::Number(n) => visitor.visit_u64(n.get() as u64),
[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 `ron`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9659db2ba95dc733ea58ad8421ec18fa2f69d32f163051e0999745dbdb03ee8c"`
[INFO] running `"docker" "rm" "-f" "9659db2ba95dc733ea58ad8421ec18fa2f69d32f163051e0999745dbdb03ee8c"`
[INFO] [stdout] 9659db2ba95dc733ea58ad8421ec18fa2f69d32f163051e0999745dbdb03ee8c