[INFO] fetching crate bincode-thin 1.1.2...
[INFO] checking bincode-thin-1.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate bincode-thin 1.1.2 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate bincode-thin 1.1.2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bincode-thin 1.1.2
[INFO] finished tweaking crates.io crate bincode-thin 1.1.2
[INFO] tweaked toml for crates.io crate bincode-thin 1.1.2 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b7eaf22ffa8f0518cb98a63dd55e29a1f1d0cc1c06f602605370d84e268e005
[INFO] running `Command { std: "docker" "start" "-a" "3b7eaf22ffa8f0518cb98a63dd55e29a1f1d0cc1c06f602605370d84e268e005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7eaf22ffa8f0518cb98a63dd55e29a1f1d0cc1c06f602605370d84e268e005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7eaf22ffa8f0518cb98a63dd55e29a1f1d0cc1c06f602605370d84e268e005", kill_on_drop: false }`
[INFO] [stdout] 3b7eaf22ffa8f0518cb98a63dd55e29a1f1d0cc1c06f602605370d84e268e005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3894e2d2dd3b9f4921e23daf1f40bf72e97d100ec7e249f14ff325602b568092
[INFO] running `Command { std: "docker" "start" "-a" "3894e2d2dd3b9f4921e23daf1f40bf72e97d100ec7e249f14ff325602b568092", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling bincode-thin v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de/mod.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let len: usize = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de/mod.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let value: u8 = try!(serde::Deserialize::deserialize(self));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     impl_nums!(u128, deserialize_u128, visit_u128, read_u128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     impl_nums!(u128, deserialize_u128, visit_u128, read_u128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     impl_nums!(i128, deserialize_i128, visit_i128, read_i128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     impl_nums!(i128, deserialize_i128, visit_i128, read_i128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(self.read_type::<u8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:143:26
[INFO] [stdout]     |
[INFO] [stdout] 143 |         visitor.visit_u8(try!(self.reader.read_u8()))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(self.read_type::<i8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |         visitor.visit_i8(try!(self.reader.read_i8()))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let _ = try!(self.reader.read_exact(&mut buf[..1]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:186:19
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(self.read_bytes(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:199:26
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let len: usize = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:208:30
[INFO] [stdout]     |
[INFO] [stdout] 208 |         visitor.visit_string(try!(self.read_string()))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         try!(self.read_bytes(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:215:26
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let len: usize = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:224:32
[INFO] [stdout]     |
[INFO] [stdout] 224 |         visitor.visit_byte_buf(try!(self.read_vec()))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:248:31
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let idx: u8 = try!(serde::de::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:250:21
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 Ok((try!(val), self))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let value: u8 = try!(serde::de::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:314:19
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let len = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:339:31
[INFO] [stdout]     |
[INFO] [stdout] 339 |                     let key = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:353:29
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:365:19
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let len = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(self.writer.write_u8(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(self.serialize_u8(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:186:19
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         try!(self.serialize_u8(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(self.serialize_u8(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.add_value(0 as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(self.add_value(0 as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |         try!(self.add_value(1 as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:363:19
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         try!(self.add_value(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:394:19
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         try!(self.add_value(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         try!(self.add_value(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:56:49
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn accept<T: serde::Deserializer<'a>>(self, T) -> Self::Output;
[INFO] [stdout]    |                                                 ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:68:43
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn accept<T: serde::Serializer>(self, T) -> Self::Output;
[INFO] [stdout]    |                                           ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:45:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |             ErrorKind::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:86:81
[INFO] [stdout]    |
[INFO] [stdout] 86 |             ErrorKind::InvalidUtf8Encoding(ref e) => write!(fmt, "{}: {}", self.description(), e),
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:88:67
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 write!(fmt, "{}, expected 0 or 1, found {}", self.description(), b)
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:90:70
[INFO] [stdout]    |
[INFO] [stdout] 90 |             ErrorKind::InvalidCharEncoding => write!(fmt, "{}", self.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:92:50
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 write!(fmt, "{}, found {}", self.description(), tag)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:94:73
[INFO] [stdout]    |
[INFO] [stdout] 94 |             ErrorKind::SequenceMustHaveLength => write!(fmt, "{}", self.description()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |             ErrorKind::SizeLimit => write!(fmt, "{}", self.description()),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/ser/mod.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn new(options: O) -> SizeChecker<O> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 73 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de/mod.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let len: usize = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de/mod.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let value: u8 = try!(serde::Deserialize::deserialize(self));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     impl_nums!(u16, deserialize_u16, visit_u16, read_u16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     impl_nums!(u32, deserialize_u32, visit_u32, read_u32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     impl_nums!(u64, deserialize_u64, visit_u64, read_u64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     impl_nums!(i16, deserialize_i16, visit_i16, read_i16);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     impl_nums!(i32, deserialize_i32, visit_i32, read_i32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     impl_nums!(i64, deserialize_i64, visit_i64, read_i64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     impl_nums!(f32, deserialize_f32, visit_f32, read_f32);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     impl_nums!(f64, deserialize_f64, visit_f64, read_f64);
[INFO] [stdout]     |     ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     impl_nums!(u128, deserialize_u128, visit_u128, read_u128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     impl_nums!(u128, deserialize_u128, visit_u128, read_u128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:68:13
[INFO] [stdout]     |
[INFO] [stdout] 68  |             try!(self.read_type::<$ty>());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     impl_nums!(i128, deserialize_i128, visit_i128, read_i128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:69:25
[INFO] [stdout]     |
[INFO] [stdout] 69  |             let value = try!(self.reader.$reader_method::<O::Endian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     impl_nums!(i128, deserialize_i128, visit_i128, read_i128);
[INFO] [stdout]     |     ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_nums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(self.read_type::<u8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:143:26
[INFO] [stdout]     |
[INFO] [stdout] 143 |         visitor.visit_u8(try!(self.reader.read_u8()))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(self.read_type::<i8>());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:152:26
[INFO] [stdout]     |
[INFO] [stdout] 152 |         visitor.visit_i8(try!(self.reader.read_i8()))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let _ = try!(self.reader.read_exact(&mut buf[..1]));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:186:19
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(self.read_bytes(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:199:26
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let len: usize = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:208:30
[INFO] [stdout]     |
[INFO] [stdout] 208 |         visitor.visit_string(try!(self.read_string()))
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         try!(self.read_bytes(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:215:26
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let len: usize = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:224:32
[INFO] [stdout]     |
[INFO] [stdout] 224 |         visitor.visit_byte_buf(try!(self.read_vec()))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:248:31
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let idx: u8 = try!(serde::de::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:250:21
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 Ok((try!(val), self))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let value: u8 = try!(serde::de::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:314:19
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let len = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:339:31
[INFO] [stdout]     |
[INFO] [stdout] 339 |                     let key = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:353:29
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 let value = try!(serde::de::DeserializeSeed::deserialize(
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de/mod.rs:365:19
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let len = try!(serde::Deserialize::deserialize(&mut *self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:61:32
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         try!(self.serialize_u64(v.len() as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(self.writer.write_u8(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         try!(self.serialize_u8(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:186:19
[INFO] [stdout]     |
[INFO] [stdout] 186 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         try!(self.serialize_u8(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(self.serialize_u8(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.add_value(0 as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(self.add_value(0 as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 358 |         try!(self.add_value(1 as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:363:19
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         try!(self.add_value(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:396:9
[INFO] [stdout]     |
[INFO] [stdout] 396 |         try!(self.serialize_u64(len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:394:19
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let len = try!(len.ok_or(ErrorKind::SequenceMustHaveLength));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         try!(self.add_value(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser/mod.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         try!(self.add_value(variant_index as u8));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:56:49
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn accept<T: serde::Deserializer<'a>>(self, T) -> Self::Output;
[INFO] [stdout]    |                                                 ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:68:43
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn accept<T: serde::Serializer>(self, T) -> Self::Output;
[INFO] [stdout]    |                                           ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:45:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |             ErrorKind::Io(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:86:81
[INFO] [stdout]    |
[INFO] [stdout] 86 |             ErrorKind::InvalidUtf8Encoding(ref e) => write!(fmt, "{}: {}", self.description(), e),
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:88:67
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 write!(fmt, "{}, expected 0 or 1, found {}", self.description(), b)
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:90:70
[INFO] [stdout]    |
[INFO] [stdout] 90 |             ErrorKind::InvalidCharEncoding => write!(fmt, "{}", self.description()),
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:92:50
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 write!(fmt, "{}, found {}", self.description(), tag)
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:94:73
[INFO] [stdout]    |
[INFO] [stdout] 94 |             ErrorKind::SequenceMustHaveLength => write!(fmt, "{}", self.description()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |             ErrorKind::SizeLimit => write!(fmt, "{}", self.description()),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/ser/mod.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn new(options: O) -> SizeChecker<O> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 73 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.91s
[INFO] running `Command { std: "docker" "inspect" "3894e2d2dd3b9f4921e23daf1f40bf72e97d100ec7e249f14ff325602b568092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3894e2d2dd3b9f4921e23daf1f40bf72e97d100ec7e249f14ff325602b568092", kill_on_drop: false }`
[INFO] [stdout] 3894e2d2dd3b9f4921e23daf1f40bf72e97d100ec7e249f14ff325602b568092