[INFO] crate hprose 0.1.0 is already in cache
[INFO] extracting crate hprose 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/hprose/0.1.0
[INFO] extracting crate hprose 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hprose/0.1.0
[INFO] validating manifest of hprose-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hprose-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hprose-0.1.0
[INFO] finished frobbing hprose-0.1.0
[INFO] frobbed toml for hprose-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hprose/0.1.0/Cargo.toml
[INFO] started frobbing hprose-0.1.0
[INFO] finished frobbing hprose-0.1.0
[INFO] frobbed toml for hprose-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hprose/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hprose-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hprose/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 38ca6e6b2cb76fbae38879e27fb116aa1801c5237c1a496adae32a0acbc44501
[INFO] running `"docker" "start" "-a" "38ca6e6b2cb76fbae38879e27fb116aa1801c5237c1a496adae32a0acbc44501"`
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling hprose v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![feature(specialization)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![feature(test)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/io/util.rs:177:15
[INFO] [stderr]     |
[INFO] [stderr] 177 |             0 ... 7 => p += 1,
[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: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/io/decoder.rs:53:37
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn read_option<T, F>(&mut self, mut f: F) -> Result<T, Self::Error>
[INFO] [stderr]    |                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(patterns_in_fns_without_body)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/io/decoders/bool_decoder.rs:32:14
[INFO] [stderr]    |
[INFO] [stderr] 32 |         b'1' ... b'9' | TAG_TRUE | TAG_NAN => Ok(true),
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/io/decoders/time_decoder.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 32 |         b @ b'0' ... b'9' => Ok(at_utc(Timespec::new((b - b'0') as i64, 0))),
[INFO] [stderr]    |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/io/decoders/map_decoder.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::{result, str};
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/io/reader.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |         b'0'...b'9' | TAG_INTEGER => Ok("i32"),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/io/byte_reader.rs:193:18
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 0...7 => self.off += 1,
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rpc/filter.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |     filters: Vec<Box<Filter>>
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Filter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `hprose`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "38ca6e6b2cb76fbae38879e27fb116aa1801c5237c1a496adae32a0acbc44501"`
[INFO] running `"docker" "rm" "-f" "38ca6e6b2cb76fbae38879e27fb116aa1801c5237c1a496adae32a0acbc44501"`
[INFO] [stdout] 38ca6e6b2cb76fbae38879e27fb116aa1801c5237c1a496adae32a0acbc44501