[INFO] crate rson_rs 0.2.1 is already in cache
[INFO] checking rson_rs-0.2.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate rson_rs 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rson_rs 0.2.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rson_rs 0.2.1
[INFO] finished tweaking crates.io crate rson_rs 0.2.1
[INFO] tweaked toml for crates.io crate rson_rs 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] af2136245843a2d25c997a6d4f738d3f621ef050e6b602e61a572f7f953c2ef3
[INFO] running `"docker" "start" "-a" "af2136245843a2d25c997a6d4f738d3f621ef050e6b602e61a572f7f953c2ef3"`
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking rson_rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de/mod.rs:123:18
[INFO] [stderr]     |
[INFO] [stderr] 123 |             b'0' ... b'9' | b'+' | b'-' | b'.' => self.deserialize_f64(visitor),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parse.rs:326:26
[INFO] [stderr]     |
[INFO] [stderr] 326 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parse.rs:356:28
[INFO] [stderr]     |
[INFO] [stderr] 356 |                     0xDC00 ... 0xDFFF => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parse.rs:360:33
[INFO] [stderr]     |
[INFO] [stderr] 360 |                     n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]     |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/de/error.rs:64:68
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Error::Parser(_, pos) => write!(f, "{}: {}", pos, self.description()),
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/de/error.rs:108:51
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 ParseError::Utf8Error(ref e) => e.description(),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/de/error.rs:145:26
[INFO] [stderr]     |
[INFO] [stderr] 145 |         Error::IoError(e.description().to_string())
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid
[INFO] [stderr]   --> src/value.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |         state.write_u64(self.0 as u64);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `rson_rs`.
[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" "af2136245843a2d25c997a6d4f738d3f621ef050e6b602e61a572f7f953c2ef3"`
[INFO] running `"docker" "rm" "-f" "af2136245843a2d25c997a6d4f738d3f621ef050e6b602e61a572f7f953c2ef3"`
[INFO] [stdout] af2136245843a2d25c997a6d4f738d3f621ef050e6b602e61a572f7f953c2ef3