Dec 18 08:52:39.000 INFO checking zmtp-0.6.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:52:39.000 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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=forbid" "-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:52:39.146 INFO [stdout] f2d5ac284abea6ffe09ac40dabaa2af1ec812407b1be3aa48f031af4763c23a7
Dec 18 08:52:39.154 INFO running `"docker" "start" "-a" "f2d5ac284abea6ffe09ac40dabaa2af1ec812407b1be3aa48f031af4763c23a7"`
Dec 18 08:52:39.904 INFO [stderr]     Checking zmtp v0.6.0 (/opt/crater/workdir)
Dec 18 08:52:40.328 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 18 08:52:40.328 INFO [stderr]   --> src/types.rs:36:24
Dec 18 08:52:40.328 INFO [stderr]    |
Dec 18 08:52:40.328 INFO [stderr] 36 |     fn peek(&mut self, mut buf: &mut [u8])  -> io::Result<usize>;
Dec 18 08:52:40.328 INFO [stderr]    |                        ^^^^^^^
Dec 18 08:52:40.328 INFO [stderr]    |
Dec 18 08:52:40.328 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 18 08:52:40.328 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!
Dec 18 08:52:40.328 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 18 08:52:40.328 INFO [stderr] 
Dec 18 08:52:40.512 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 18 08:52:40.512 INFO [stderr]   --> src/types.rs:36:24
Dec 18 08:52:40.512 INFO [stderr]    |
Dec 18 08:52:40.512 INFO [stderr] 36 |     fn peek(&mut self, mut buf: &mut [u8])  -> io::Result<usize>;
Dec 18 08:52:40.512 INFO [stderr]    |                        ^^^^^^^
Dec 18 08:52:40.512 INFO [stderr]    |
Dec 18 08:52:40.512 INFO [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 18 08:52:40.512 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!
Dec 18 08:52:40.512 INFO [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 18 08:52:40.512 INFO [stderr] 
Dec 18 08:52:40.792 INFO [stderr] warning: unused import: `ReadBytesExt`
Dec 18 08:52:40.792 INFO [stderr]  --> src/reader.rs:4:34
Dec 18 08:52:40.792 INFO [stderr]   |
Dec 18 08:52:40.792 INFO [stderr] 4 | use self::byteorder::{ByteOrder, ReadBytesExt, BigEndian};
Dec 18 08:52:40.792 INFO [stderr]   |                                  ^^^^^^^^^^^^
Dec 18 08:52:40.792 INFO [stderr]   |
Dec 18 08:52:40.800 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:52:40.800 INFO [stderr] 
Dec 18 08:52:40.872 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:52:40.872 INFO [stderr]   --> src/types.rs:40:24
Dec 18 08:52:40.872 INFO [stderr]    |
Dec 18 08:52:40.872 INFO [stderr] 40 |     fn peek(&mut self, mut buf: &mut [u8])  -> io::Result<usize> {
Dec 18 08:52:40.872 INFO [stderr]    |                        ----^^^
Dec 18 08:52:40.872 INFO [stderr]    |                        |
Dec 18 08:52:40.872 INFO [stderr]    |                        help: remove this `mut`
Dec 18 08:52:40.876 INFO [stderr]    |
Dec 18 08:52:40.876 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:52:40.876 INFO [stderr] 
Dec 18 08:52:41.080 INFO [stderr] warning: unused import: `ReadBytesExt`
Dec 18 08:52:41.080 INFO [stderr]  --> src/reader.rs:4:34
Dec 18 08:52:41.080 INFO [stderr]   |
Dec 18 08:52:41.080 INFO [stderr] 4 | use self::byteorder::{ByteOrder, ReadBytesExt, BigEndian};
Dec 18 08:52:41.080 INFO [stderr]   |                                  ^^^^^^^^^^^^
Dec 18 08:52:41.080 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:52:41.080 INFO [stderr]    --> src/peer.rs:364:24
Dec 18 08:52:41.080 INFO [stderr]     |
Dec 18 08:52:41.080 INFO [stderr] 364 |     fn peek(&mut self, mut buf: &mut [u8]) -> io::Result<usize> {
Dec 18 08:52:41.080 INFO [stderr]     |                        ----^^^
Dec 18 08:52:41.080 INFO [stderr]     |                        |
Dec 18 08:52:41.080 INFO [stderr]     |                        help: remove this `mut`
Dec 18 08:52:41.080 INFO [stderr] 
Dec 18 08:52:41.080 INFO [stderr]   |
Dec 18 08:52:41.080 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:52:41.080 INFO [stderr] 
Dec 18 08:52:41.080 INFO [stderr] warning: unused import: `Read`
Dec 18 08:52:41.080 INFO [stderr]   --> src/lib.rs:17:19
Dec 18 08:52:41.080 INFO [stderr]    |
Dec 18 08:52:41.080 INFO [stderr] 17 |     use std::io::{Read, Write};
Dec 18 08:52:41.080 INFO [stderr]    |                   ^^^^
Dec 18 08:52:41.080 INFO [stderr] 
Dec 18 08:52:41.080 INFO [stderr] warning: unused import: `Write`
Dec 18 08:52:41.080 INFO [stderr]   --> src/lib.rs:17:25
Dec 18 08:52:41.080 INFO [stderr]    |
Dec 18 08:52:41.080 INFO [stderr] 17 |     use std::io::{Read, Write};
Dec 18 08:52:41.080 INFO [stderr]    |                         ^^^^^
Dec 18 08:52:41.080 INFO [stderr] 
Dec 18 08:52:41.192 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:52:41.192 INFO [stderr]   --> src/types.rs:40:24
Dec 18 08:52:41.192 INFO [stderr]    |
Dec 18 08:52:41.192 INFO [stderr] 40 |     fn peek(&mut self, mut buf: &mut [u8])  -> io::Result<usize> {
Dec 18 08:52:41.192 INFO [stderr]    |                        ----^^^
Dec 18 08:52:41.192 INFO [stderr]    |                        |
Dec 18 08:52:41.192 INFO [stderr]    |                        help: remove this `mut`
Dec 18 08:52:41.192 INFO [stderr]    |
Dec 18 08:52:41.192 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:52:41.192 INFO [stderr] 
Dec 18 08:52:41.307 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:52:41.307 INFO [stderr]    --> src/peer.rs:364:24
Dec 18 08:52:41.307 INFO [stderr]     |
Dec 18 08:52:41.307 INFO [stderr] 364 |     fn peek(&mut self, mut buf: &mut [u8]) -> io::Result<usize> {
Dec 18 08:52:41.307 INFO [stderr]     |                        ----^^^
Dec 18 08:52:41.307 INFO [stderr]     |                        |
Dec 18 08:52:41.307 INFO [stderr]     |                        help: remove this `mut`
Dec 18 08:52:41.307 INFO [stderr] 
Dec 18 08:52:41.422 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 18 08:52:41.938 INFO running `"docker" "inspect" "f2d5ac284abea6ffe09ac40dabaa2af1ec812407b1be3aa48f031af4763c23a7"`
Dec 18 08:52:42.230 INFO running `"docker" "rm" "-f" "f2d5ac284abea6ffe09ac40dabaa2af1ec812407b1be3aa48f031af4763c23a7"`
Dec 18 08:52:42.475 INFO [stdout] f2d5ac284abea6ffe09ac40dabaa2af1ec812407b1be3aa48f031af4763c23a7