[INFO] crate zmtp 0.6.0 is already in cache [INFO] extracting crate zmtp 0.6.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/zmtp/0.6.0 [INFO] extracting crate zmtp 0.6.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zmtp/0.6.0 [INFO] validating manifest of zmtp-0.6.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zmtp-0.6.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zmtp-0.6.0 [INFO] finished frobbing zmtp-0.6.0 [INFO] frobbed toml for zmtp-0.6.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/zmtp/0.6.0/Cargo.toml [INFO] started frobbing zmtp-0.6.0 [INFO] finished frobbing zmtp-0.6.0 [INFO] frobbed toml for zmtp-0.6.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zmtp/0.6.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing zmtp-0.6.0 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zmtp/0.6.0:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] c255f163292469f8c7510853604279bd84c2ec49f88eaa6b99d12357f115922e [INFO] running `"docker" "start" "-a" "c255f163292469f8c7510853604279bd84c2ec49f88eaa6b99d12357f115922e"` [INFO] [stderr] Compiling zmtp v0.6.0 (/opt/crater/workdir) [INFO] [stderr] warning: patterns aren't allowed in methods without bodies [INFO] [stderr] --> src/types.rs:36:24 [INFO] [stderr] | [INFO] [stderr] 36 | fn peek(&mut self, mut buf: &mut [u8]) -> io::Result; [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 [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/types.rs:219:14 [INFO] [stderr] | [INFO] [stderr] 219 | 0...U8_MAX => Size::Short(size as u8), [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/types.rs:318:19 [INFO] [stderr] | [INFO] [stderr] 318 | size@0...U8_MAX => Size::Short(size as u8), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/peer.rs:214:17 [INFO] [stderr] | [INFO] [stderr] 214 | source: Box, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn PeerSource` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/peer.rs:222:28 [INFO] [stderr] | [INFO] [stderr] 222 | pub fn new(source: Box) -> Self { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn PeerSource` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/peer.rs:233:39 [INFO] [stderr] | [INFO] [stderr] 233 | pub fn ref_mut(&mut self) -> &mut PeerSource { &mut self.source } [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn PeerSource` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/peer.rs:235:30 [INFO] [stderr] | [INFO] [stderr] 235 | pub fn as_ref(&self) -> &PeerSource { &self.source } [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn PeerSource` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/writer.rs:94:21 [INFO] [stderr] | [INFO] [stderr] 94 | size @ 0...0xFF => Size::Short(size as u8), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::borrow::Borrow<_>` [INFO] [stderr] --> src/reader.rs:152:35 [INFO] [stderr] | [INFO] [stderr] 152 | cmd.add_metadata(name.borrow(), val_bytes); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ReadBytesExt` [INFO] [stderr] --> src/reader.rs:4:34 [INFO] [stderr] | [INFO] [stderr] 4 | use self::byteorder::{ByteOrder, ReadBytesExt, BigEndian}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0283`. [INFO] [stderr] error: Could not compile `zmtp`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c255f163292469f8c7510853604279bd84c2ec49f88eaa6b99d12357f115922e"` [INFO] running `"docker" "rm" "-f" "c255f163292469f8c7510853604279bd84c2ec49f88eaa6b99d12357f115922e"` [INFO] [stdout] c255f163292469f8c7510853604279bd84c2ec49f88eaa6b99d12357f115922e