[INFO] crate slim 0.1.0 is already in cache
[INFO] checking slim-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate slim 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate slim 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slim 0.1.0
[INFO] finished tweaking crates.io crate slim 0.1.0
[INFO] tweaked toml for crates.io crate slim 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 2b705af3958f147f68e611d932c5b13e7ae548ec40f6f5554951142df31375b2
[INFO] running `"docker" "start" "-a" "2b705af3958f147f68e611d932c5b13e7ae548ec40f6f5554951142df31375b2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking slim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!((self.len() as u64).encode_stream(s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(write_buf(s, self.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!((self.len() as u64).encode_stream(s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(write_buf(s, self.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         try!((self.len() as u64).encode_stream(s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(entry.encode_stream(s));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialize.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 try!(0u8.encode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialize.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 try!(1u8.encode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialize.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(1u8.encode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 | deser_int!(u64, 8, BigEndian::read_u64);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | deser_int!(u32, 4, BigEndian::read_u32);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 | deser_int!(u16, 2, BigEndian::read_u16);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 | deser_int!(i64, 8, BigEndian::read_i64);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 | deser_int!(i32, 4, BigEndian::read_i32);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 | deser_int!(i16, 2, BigEndian::read_i16);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | deser_int!(f64, 8, BigEndian::read_f64);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 | deser_int!(f32, 4, BigEndian::read_f32);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let j = try!(u8::decode_stream(s));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let j = try!(u8::decode_stream(s));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:78:23
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let typebuf = try!(u8::decode_stream(s));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:100:23
[INFO] [stderr]     |
[INFO] [stderr] 100 |         Ok(Cow::Owned(try!(T::decode_stream(s))))
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let size = try!(u64::decode_stream(s)) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(fill_buf(s, buf.as_mut_slice()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let size = try!(u64::decode_stream(s)) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(fill_buf(s, buf.as_mut_slice()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:135:20
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let size = try!(u64::decode_stream(s)) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:139:22
[INFO] [stderr]     |
[INFO] [stderr] 139 |             buf.push(try!(T::decode_stream(s)));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:147:23
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let typebuf = try!(u8::decode_stream(s));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let x = try!(u8::decode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]   --> src/transportable.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::{SlimError, Result};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!((self.len() as u64).encode_stream(s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         try!(write_buf(s, self.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!((self.len() as u64).encode_stream(s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         try!(write_buf(s, self.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         try!((self.len() as u64).encode_stream(s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/serialize.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(entry.encode_stream(s));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialize.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 try!(0u8.encode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialize.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 try!(1u8.encode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/serialize.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(1u8.encode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 | deser_int!(u64, 8, BigEndian::read_u64);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 | deser_int!(u32, 4, BigEndian::read_u32);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 | deser_int!(u16, 2, BigEndian::read_u16);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 | deser_int!(i64, 8, BigEndian::read_i64);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 | deser_int!(i32, 4, BigEndian::read_i32);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 | deser_int!(i16, 2, BigEndian::read_i16);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | deser_int!(f64, 8, BigEndian::read_f64);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 | deser_int!(f32, 4, BigEndian::read_f32);
[INFO] [stderr]    | ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(fill_buf(s, &mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let j = try!(u8::decode_stream(s));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let j = try!(u8::decode_stream(s));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/deserialize.rs:78:23
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let typebuf = try!(u8::decode_stream(s));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:100:23
[INFO] [stderr]     |
[INFO] [stderr] 100 |         Ok(Cow::Owned(try!(T::decode_stream(s))))
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let size = try!(u64::decode_stream(s)) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(fill_buf(s, buf.as_mut_slice()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let size = try!(u64::decode_stream(s)) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         try!(fill_buf(s, buf.as_mut_slice()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:135:20
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let size = try!(u64::decode_stream(s)) as usize;
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:139:22
[INFO] [stderr]     |
[INFO] [stderr] 139 |             buf.push(try!(T::decode_stream(s)));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:147:23
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let typebuf = try!(u8::decode_stream(s));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/deserialize.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let x = try!(u8::decode_stream(s));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]   --> src/transportable.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::{SlimError, Result};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "2b705af3958f147f68e611d932c5b13e7ae548ec40f6f5554951142df31375b2"`
[INFO] running `"docker" "rm" "-f" "2b705af3958f147f68e611d932c5b13e7ae548ec40f6f5554951142df31375b2"`
[INFO] [stdout] 2b705af3958f147f68e611d932c5b13e7ae548ec40f6f5554951142df31375b2
