[INFO] fetching crate cbor 0.4.1...
[INFO] checking cbor-0.4.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate cbor 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cbor 0.4.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbor 0.4.1
[INFO] finished tweaking crates.io crate cbor 0.4.1
[INFO] tweaked toml for crates.io crate cbor 0.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.5.3 (available: v1.1.3)
[INFO] [stderr]       Adding byteorder v0.5.3 (available: v1.5.0)
[INFO] [stderr]       Adding env_logger v0.3.5 (available: v0.11.5)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.22)
[INFO] [stderr]       Adding memchr v0.1.11 (available: v2.7.4)
[INFO] [stderr]       Adding quickcheck v0.2.27 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding regex v0.1.80 (available: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.3.9 (available: v0.8.4)
[INFO] [stderr]       Adding thread-id v2.0.0 (available: v4.2.2)
[INFO] [stderr]       Adding thread_local v0.2.7 (available: v1.1.8)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (available: v1.0.5)
[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded quickcheck v0.2.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf28fe3858741004963a34f8656cacfd3f784da79633546237ced4636007aec
[INFO] running `Command { std: "docker" "start" "-a" "bcf28fe3858741004963a34f8656cacfd3f784da79633546237ced4636007aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf28fe3858741004963a34f8656cacfd3f784da79633546237ced4636007aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf28fe3858741004963a34f8656cacfd3f784da79633546237ced4636007aec", kill_on_drop: false }`
[INFO] [stdout] bcf28fe3858741004963a34f8656cacfd3f784da79633546237ced4636007aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 897cf6953e7cd0b1432531b5c40e4b0879ec64b20025988a26afe7ecfae4bea0
[INFO] running `Command { std: "docker" "start" "-a" "897cf6953e7cd0b1432531b5c40e4b0879ec64b20025988a26afe7ecfae4bea0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking cbor v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/lib.rs:261:62
[INFO] [stdout]     |
[INFO] [stdout] 261 | #[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd, RustcDecodable)]
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:261:62
[INFO] [stdout]     |
[INFO] [stdout] 261 | #[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd, RustcDecodable)]
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/lib.rs:279:62
[INFO] [stdout]     |
[INFO] [stdout] 279 | #[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd, RustcDecodable)]
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:279:62
[INFO] [stdout]     |
[INFO] [stdout] 279 | #[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd, RustcDecodable)]
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/lib.rs:292:53
[INFO] [stdout]     |
[INFO] [stdout] 292 | #[derive(Clone, Copy, Debug, PartialEq, PartialOrd, RustcDecodable)]
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:292:53
[INFO] [stdout]     |
[INFO] [stdout] 292 | #[derive(Clone, Copy, Debug, PartialEq, PartialOrd, RustcDecodable)]
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/lib.rs:305:56
[INFO] [stdout]     |
[INFO] [stdout] 305 | #[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd, RustcEncodable)]
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:305:56
[INFO] [stdout]     |
[INFO] [stdout] 305 | #[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd, RustcEncodable)]
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/lib.rs:313:35
[INFO] [stdout]     |
[INFO] [stdout] 313 | #[derive(Clone, Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:313:35
[INFO] [stdout]     |
[INFO] [stdout] 313 | #[derive(Clone, Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]    --> src/lib.rs:375:35
[INFO] [stdout]     |
[INFO] [stdout] 375 | #[derive(Clone, Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/lib.rs:375:35
[INFO] [stdout]     |
[INFO] [stdout] 375 | #[derive(Clone, Debug, PartialEq, RustcEncodable)]
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `lg`
[INFO] [stdout]    --> src/lib.rs:140:14
[INFO] [stdout]     |
[INFO] [stdout] 140 | macro_rules! lg {
[INFO] [stdout]     |              ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:173:18
[INFO] [stdout]     |
[INFO] [stdout] 173 |             (0, 0...23) => Type::UInt8,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |             (1, 0...23) => Type::Int8,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:188:22
[INFO] [stdout]     |
[INFO] [stdout] 188 |             (7, v @ 0...19) => return Err(ReadError::Unassigned {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:191:19
[INFO] [stdout]     |
[INFO] [stdout] 191 |             (7, 20...21) => Type::Bool,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:197:23
[INFO] [stdout]     |
[INFO] [stdout] 197 |             (7, v @ 28...30) => return Err(ReadError::Unassigned {
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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/decoder.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |             None => try!(self.rdr.read_u8()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:115:22
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 v @ 0...23 => self.read_simple_value(v),
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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/decoder.rs:117:29
[INFO] [stdout]     |
[INFO] [stdout] 117 |                     let b = try!(self.rdr.read_u8());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 25...27 => self.read_float(first).map(Cbor::Float),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 v @ 28...30 =>
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |             v @ 0...19 =>
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:144:19
[INFO] [stdout]     |
[INFO] [stdout] 144 |             v @ 24...31 =>
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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/decoder.rs:159:25
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 let n = try!(self.rdr.read_u16::<BigEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:162:38
[INFO] [stdout]     |
[INFO] [stdout] 162 |             26 => CborFloat::Float32(try!(self.rdr.read_f32::<BigEndian>())),
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:163:38
[INFO] [stdout]     |
[INFO] [stdout] 163 |             27 => CborFloat::Float64(try!(self.rdr.read_f64::<BigEndian>())),
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let tag = try!(tag.to_u64().map_err(|err| self.errat(err)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:173:20
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let data = try!(self.read_data_item(None));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:213:23
[INFO] [stdout]     |
[INFO] [stdout] 213 |             let len = try!(self.read_len(first));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:217:27
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 let val = try!(self.read_data_item(None));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |             try!(self.rdr.read_full(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |             let len = try!(self.read_len(first));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:295:13
[INFO] [stdout]     |
[INFO] [stdout] 295 |             try!(self.rdr.read_full(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:293:23
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let len = try!(self.read_len(first));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:307:18
[INFO] [stdout]     |
[INFO] [stdout] 307 |             n @ 0...23 => CborUnsigned::UInt8(n),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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/decoder.rs:308:39
[INFO] [stdout]     |
[INFO] [stdout] 308 |             24 => CborUnsigned::UInt8(try!(self.rdr.read_u8())),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:309:40
[INFO] [stdout]     |
[INFO] [stdout] 309 |             25 => CborUnsigned::UInt16(try!(self.rdr.read_u16::<BigEndian>())),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:310:40
[INFO] [stdout]     |
[INFO] [stdout] 310 |             26 => CborUnsigned::UInt32(try!(self.rdr.read_u32::<BigEndian>())),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:311:40
[INFO] [stdout]     |
[INFO] [stdout] 311 |             27 => CborUnsigned::UInt64(try!(self.rdr.read_u64::<BigEndian>())),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:319:18
[INFO] [stdout]     |
[INFO] [stdout] 319 |             n @ 0...23 => CborSigned::Int8(-1 - (n as i8)),
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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/decoder.rs:321:25
[INFO] [stdout]     |
[INFO] [stdout] 321 |                 let n = try!(self.rdr.read_u8());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:329:25
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 let n = try!(self.rdr.read_u16::<BigEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:337:25
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 let n = try!(self.rdr.read_u32::<BigEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:345:25
[INFO] [stdout]     |
[INFO] [stdout] 345 |                 let n = try!(self.rdr.read_u64::<BigEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:429:17
[INFO] [stdout]     |
[INFO] [stdout] 429 |         let n = try!(self.rdr.read(buf));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/decoder.rs:448:19
[INFO] [stdout]     |
[INFO] [stdout] 448 |             match try!(self.read(&mut buf[nread..])) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encoder.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             try!(v.encode(self))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.write_num(3, 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/encoder.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         try!(self.write_num(5, 2));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |         try!(self.emit_str("variant"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         try!(self.emit_str(v_name));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         try!(self.emit_str("fields"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |         try!(self.write_num(4, len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |             try!(self.write_num(5, len as u64));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 try!(self.emit_str(f_name));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         try!(self.write_num(4, len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:397:13
[INFO] [stdout]     |
[INFO] [stdout] 397 |             try!(self.write_num(2, len as u64));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/encoder.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         try!(self.write_num(5, len as u64));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustc_decoder.rs:97:15
[INFO] [stdout]    |
[INFO] [stdout] 97 |         match try!(self.pop(Type::Null)) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:54:17
[INFO] [stdout]     |
[INFO] [stdout] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |         read_unsigned!(self, Type::UInt, to_usize)
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_unsigned` (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/rustc_decoder.rs:54:17
[INFO] [stdout]     |
[INFO] [stdout] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |         read_unsigned!(self, Type::UInt64, to_u64)
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_unsigned` (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/rustc_decoder.rs:54:17
[INFO] [stdout]     |
[INFO] [stdout] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |         read_unsigned!(self, Type::UInt32, to_u32)
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_unsigned` (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/rustc_decoder.rs:54:17
[INFO] [stdout]     |
[INFO] [stdout] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         read_unsigned!(self, Type::UInt16, to_u16)
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_unsigned` (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/rustc_decoder.rs:54:17
[INFO] [stdout]     |
[INFO] [stdout] 54  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |         read_unsigned!(self, Type::UInt8, to_u8)
[INFO] [stdout]     |         ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_unsigned` (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/rustc_decoder.rs:64:17
[INFO] [stdout]     |
[INFO] [stdout] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         read_signed!(self, isize, Type::Int, to_isize, to_usize)
[INFO] [stdout]     |         -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_signed` (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/rustc_decoder.rs:64:17
[INFO] [stdout]     |
[INFO] [stdout] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |         read_signed!(self, i64, Type::Int64, to_i64, to_u64)
[INFO] [stdout]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_signed` (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/rustc_decoder.rs:64:17
[INFO] [stdout]     |
[INFO] [stdout] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |         read_signed!(self, i32, Type::Int32, to_i32, to_u32)
[INFO] [stdout]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_signed` (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/rustc_decoder.rs:64:17
[INFO] [stdout]     |
[INFO] [stdout] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |         read_signed!(self, i16, Type::Int16, to_i16, to_u16)
[INFO] [stdout]     |         ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_signed` (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/rustc_decoder.rs:64:17
[INFO] [stdout]     |
[INFO] [stdout] 64  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |         read_signed!(self, i8, Type::Int8, to_i8, to_u8)
[INFO] [stdout]     |         ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_signed` (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/rustc_decoder.rs:144:15
[INFO] [stdout]     |
[INFO] [stdout] 144 |         match try!(self.pop(Type::Bool)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:77:17
[INFO] [stdout]     |
[INFO] [stdout] 77  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |         read_float!(self, f64, Type::Float64, to_f64, to_i64, to_u64)
[INFO] [stdout]     |         ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_float` (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/rustc_decoder.rs:77:17
[INFO] [stdout]     |
[INFO] [stdout] 77  |         let v = try!($dec.pop($cbor_ty));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |         read_float!(self, f32, Type::Float32, to_f32, to_i32, to_u32)
[INFO] [stdout]     |         ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `read_float` (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/rustc_decoder.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let n = try!(self.read_u32());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:193:26
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let name = match try!(self.pop_expect("Unicode or variant map")) {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:263:19
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let val = try!(f(self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:284:29
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let mut map = match try!(self.pop(Type::Map)) {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:291:50
[INFO] [stdout]     |
[INFO] [stdout] 291 |             Some(val) => { self.stack.push(val); try!(f(self)) }
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:311:27
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:341:27
[INFO] [stdout]     |
[INFO] [stdout] 341 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:366:15
[INFO] [stdout]     |
[INFO] [stdout] 366 |         match try!(self.pop(Type::Any)) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:374:27
[INFO] [stdout]     |
[INFO] [stdout] 374 |         let array = match try!(self.pop(Type::Array)) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder.rs:390:25
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let map = match try!(self.pop(Type::Map)) {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustc_decoder_direct.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let b = try!(self.rdr.read_u8());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustc_decoder_direct.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |             None => try!(self.rdr.read_u8()),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustc_decoder_direct.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 (try!(self.rdr.read_u16::<BigEndian>()) as f64, 16)
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustc_decoder_direct.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |             (7, 26) => (try!(self.rdr.read_f32::<BigEndian>()) as f64, 32),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/rustc_decoder_direct.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |             (7, 27) => (try!(self.rdr.read_f64::<BigEndian>()), 64),
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |             None => try!(self.rdr.read_u8()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:116:22
[INFO] [stdout]     |
[INFO] [stdout] 116 |             (1, n @ 0...23) => n as i64,
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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/rustc_decoder_direct.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |             (1, 24) => try!(self.rdr.read_u8()) as i64,
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:118:24
[INFO] [stdout]     |
[INFO] [stdout] 118 |             (1, 25) => try!(self.rdr.read_i16::<BigEndian>()) as i64,
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:119:24
[INFO] [stdout]     |
[INFO] [stdout] 119 |             (1, 26) => try!(self.rdr.read_i32::<BigEndian>()) as i64,
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:120:24
[INFO] [stdout]     |
[INFO] [stdout] 120 |             (1, 27) => try!(self.rdr.read_i64::<BigEndian>()),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |             None => try!(self.rdr.read_u8()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |             (0, n @ 0...23) => (n as u64, 8),
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[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/rustc_decoder_direct.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |             (0, 24) => (try!(self.rdr.read_u8()) as u64, 8),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |             (0, 25) => (try!(self.rdr.read_u16::<BigEndian>()) as u64, 16),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:156:25
[INFO] [stdout]     |
[INFO] [stdout] 156 |             (0, 26) => (try!(self.rdr.read_u32::<BigEndian>()) as u64, 32),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:157:25
[INFO] [stdout]     |
[INFO] [stdout] 157 |             (0, 27) => (try!(self.rdr.read_u64::<BigEndian>()), 64),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let b = try!(self.rdr.read_u8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:188:12
[INFO] [stdout]     |
[INFO] [stdout] 188 |         Ok(try!(self.read_uint(None, 64)) as usize)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |         Ok(try!(self.read_uint(None, 32)) as u32)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout] 200 |         Ok(try!(self.read_uint(None, 16)) as u16)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |         Ok(try!(self.read_uint(None, 8)) as u8)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |         Ok(try!(self.read_int(None, 64)) as isize)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 217 |         Ok(try!(self.read_int(None, 32)) as i32)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 |         Ok(try!(self.read_int(None, 16)) as i16)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |         Ok(try!(self.read_int(None, 8)) as i8)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |         let b = try!(self.rdr.read_u8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |         Ok(try!(self.read_float(None, 64)) as f32)
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:246:17
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let n = try!(self.read_uint(None, 32)) as u32;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         try!(self.rdr.read_full(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let b = try!(self.read_type(Type::Unicode));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:256:19
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let len = try!(self.read_len(Some(b)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:331:17
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let b = try!(self.read_type(Type::Array));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:332:23
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let got_len = try!(self.read_len(Some(b)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:371:17
[INFO] [stdout]     |
[INFO] [stdout] 371 |         let b = try!(self.rdr.read_u8());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |         let b = try!(self.read_type(Type::Array));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:383:19
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let len = try!(self.read_len(Some(b)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:394:17
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let b = try!(self.read_type(Type::Map));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:395:19
[INFO] [stdout]     |
[INFO] [stdout] 395 |         let len = try!(self.read_len(Some(b)));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:443:21
[INFO] [stdout]     |
[INFO] [stdout] 443 |             let n = try!(self.rdr.read(buf));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rustc_decoder_direct.rs:464:18
[INFO] [stdout]     |
[INFO] [stdout] 464 |             n += try!(self.read(&mut buf[n..]));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:776:32
[INFO] [stdout]     |
[INFO] [stdout] 776 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout]     |
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 776 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:768:32
[INFO] [stdout]     |
[INFO] [stdout] 768 |             Io(ref err) => err.description(),
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:778:43
[INFO] [stdout]     |
[INFO] [stdout] 778 |             CborError::Io(ref err) => err.cause(),
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 122 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbor` (lib) due to 13 previous errors; 122 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "897cf6953e7cd0b1432531b5c40e4b0879ec64b20025988a26afe7ecfae4bea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897cf6953e7cd0b1432531b5c40e4b0879ec64b20025988a26afe7ecfae4bea0", kill_on_drop: false }`
[INFO] [stdout] 897cf6953e7cd0b1432531b5c40e4b0879ec64b20025988a26afe7ecfae4bea0