[INFO] fetching crate json-codec 0.5.0...
[INFO] testing json-codec-0.5.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate json-codec 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate json-codec 0.5.0
[INFO] finished tweaking crates.io crate json-codec 0.5.0
[INFO] tweaked toml for crates.io crate json-codec 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-codec 0.5.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `json-codec` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084
[INFO] running `Command { std: "docker" "start" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `json-codec` (manifest) generated 1 warning
[INFO] [stderr]    Compiling json-codec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:325:17
[INFO] [stdout]     |
[INFO] [stdout] 325 |             '0' ... '9' | '-' => self.f64().map(Json::Number),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |             '0' ... '9' | '-' => self.f64().map(|_| ()),
[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/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:405:20
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 '0'...'9'|'.'|'e'|'E'|'+'|'-' => true,
[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/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:490:41
[INFO] [stdout]     |
[INFO] [stdout] 490 | ...                   hi @ 0xD800 ... 0xDBFF => {
[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/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:499:36
[INFO] [stdout]     |
[INFO] [stdout] 499 | ...                   0xDC00 ... 0xDFFF => return Err(DecodeError::UnicodeEscape),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |             0x0 ... 0x9 => b'0' + x,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |             0xA ... 0xF => b'A' + x - 0xA,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:404:27
[INFO] [stdout]     |
[INFO] [stdout] 404 |             Some(x@'\x00' ... '\x1F') | Some(x@'\x7F') => {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:11
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::isize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 |     integral!(u8,    u8,    false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 391 |     integral!(u16,   u16,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     integral!(u32,   u32,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 393 |     integral!(u64,   u64,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     integral!(usize, usize, false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i8::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |     integral!(i8,    i8,    true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i16::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     integral!(i16,   i16,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 |     integral!(i32,   i32,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i64::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |     integral!(i64,   i64,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::isize::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |     integral!(isize, isize, true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decoder.rs:733:15
[INFO] [stdout]     |
[INFO] [stdout] 733 |     Other(Box<Error + Send + Sync>)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 733 |     Other(Box<dyn Error + Send + Sync>)
[INFO] [stdout]     |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/encoder.rs:304:15
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Other(Box<Error + Send + Sync>)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Other(Box<dyn Error + Send + Sync>)
[INFO] [stdout]     |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/utf8.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decoder.rs:769:32
[INFO] [stdout]     |
[INFO] [stdout] 769 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 769 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/encoder.rs:328:32
[INFO] [stdout]     |
[INFO] [stdout] 328 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:618:36
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn array_iter<A: FromJson>(&mut self) -> DecodeResult<ArrayIter<A, I>> {
[INFO] [stdout]     |                                    ^^^^^^^^^                  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn array_iter<A: FromJson>(&mut self) -> DecodeResult<ArrayIter<'_, A, I>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `json-codec` (manifest) generated 1 warning
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:325:17
[INFO] [stdout]     |
[INFO] [stdout] 325 |             '0' ... '9' | '-' => self.f64().map(Json::Number),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |             '0' ... '9' | '-' => self.f64().map(|_| ()),
[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/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:405:20
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 '0'...'9'|'.'|'e'|'E'|'+'|'-' => true,
[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/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:490:41
[INFO] [stdout]     |
[INFO] [stdout] 490 | ...                   hi @ 0xD800 ... 0xDBFF => {
[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/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:499:36
[INFO] [stdout]     |
[INFO] [stdout] 499 | ...                   0xDC00 ... 0xDFFF => return Err(DecodeError::UnicodeEscape),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |             0x0 ... 0x9 => b'0' + x,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |             0xA ... 0xF => b'A' + x - 0xA,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:404:27
[INFO] [stdout]     |
[INFO] [stdout] 404 |             Some(x@'\x00' ... '\x1F') | Some(x@'\x7F') => {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:11
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::isize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 |     integral!(u8,    u8,    false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 391 |     integral!(u16,   u16,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     integral!(u32,   u32,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 393 |     integral!(u64,   u64,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     integral!(usize, usize, false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i8::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |     integral!(i8,    i8,    true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i16::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     integral!(i16,   i16,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 |     integral!(i32,   i32,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i64::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |     integral!(i64,   i64,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::isize::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |     integral!(isize, isize, true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decoder.rs:733:15
[INFO] [stdout]     |
[INFO] [stdout] 733 |     Other(Box<Error + Send + Sync>)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 733 |     Other(Box<dyn Error + Send + Sync>)
[INFO] [stdout]     |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/encoder.rs:304:15
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Other(Box<Error + Send + Sync>)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Other(Box<dyn Error + Send + Sync>)
[INFO] [stdout]     |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/utf8.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decoder.rs:769:32
[INFO] [stdout]     |
[INFO] [stdout] 769 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 769 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/encoder.rs:328:32
[INFO] [stdout]     |
[INFO] [stdout] 328 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:618:36
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn array_iter<A: FromJson>(&mut self) -> DecodeResult<ArrayIter<A, I>> {
[INFO] [stdout]     |                                    ^^^^^^^^^                  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn array_iter<A: FromJson>(&mut self) -> DecodeResult<ArrayIter<'_, A, I>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.10.3
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling env_filter v2.0.0
[INFO] [stderr]    Compiling env_logger v0.11.11
[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stderr]    Compiling json-codec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:131:16
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn gen_json<G: Gen>(level: u16, g: &mut G) -> Json {
[INFO] [stdout]     |                ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn gen_array<G: Gen>(level: u16, g: &mut G) -> Vec<Json> {
[INFO] [stdout]     |                 ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:162:18
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn gen_object<G: Gen>(level: u16, g: &mut G) -> HashMap<String, Json> {
[INFO] [stdout]     |                  ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found struct `Gen`
[INFO] [stdout]    --> tests/properties.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn arbitrary<G: Gen>(g: &mut G) -> SomeJson {
[INFO] [stdout]     |                     ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0049]: associated function `arbitrary` has 1 type parameter but its trait declaration has 0 type parameters
[INFO] [stdout]    --> tests/properties.rs:175:18
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn arbitrary<G: Gen>(g: &mut G) -> SomeJson {
[INFO] [stdout]     |                  ^ found 1 type parameter
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/quickcheck-1.1.0/src/arbitrary.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn arbitrary(g: &mut Gen) -> Self;
[INFO] [stdout]     |     ---------------------------------- expected 0 type parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0049, E0404.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0049`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-codec` (test "properties") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:325:17
[INFO] [stdout]     |
[INFO] [stdout] 325 |             '0' ... '9' | '-' => self.f64().map(Json::Number),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/decoder.rs:370:17
[INFO] [stdout]     |
[INFO] [stdout] 370 |             '0' ... '9' | '-' => self.f64().map(|_| ()),
[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/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:405:20
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 '0'...'9'|'.'|'e'|'E'|'+'|'-' => true,
[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/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:490:41
[INFO] [stdout]     |
[INFO] [stdout] 490 | ...                   hi @ 0xD800 ... 0xDBFF => {
[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/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:499:36
[INFO] [stdout]     |
[INFO] [stdout] 499 | ...                   0xDC00 ... 0xDFFF => return Err(DecodeError::UnicodeEscape),
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |             0x0 ... 0x9 => b'0' + x,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |             0xA ... 0xF => b'A' + x - 0xA,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/encoder.rs:404:27
[INFO] [stdout]     |
[INFO] [stdout] 404 |             Some(x@'\x00' ... '\x1F') | Some(x@'\x7F') => {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:11
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::i64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::isize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:104:30
[INFO] [stdout]     |
[INFO] [stdout] 104 | use std::{i8, i16, i32, i64, isize};
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u8`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u16`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]    --> src/decoder.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 | use std::{u8, u16, u32, u64, usize};
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u8::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 |     integral!(u8,    u8,    false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u16::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 391 |     integral!(u16,   u16,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 392 |     integral!(u32,   u32,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 393 |     integral!(u64,   u64,   false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::usize::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 227 |                         if dec > ($name::MAX - n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     integral!(usize, usize, false);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i8::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 396 |     integral!(i8,    i8,    true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i16::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 397 |     integral!(i16,   i16,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 |     integral!(i32,   i32,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i64::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |     integral!(i64,   i64,   true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::isize::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]    --> src/decoder.rs:260:42
[INFO] [stdout]     |
[INFO] [stdout] 215 | macro_rules! integral {
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         if dec < ($name::MIN + n as $ty) / 10 {
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 400 |     integral!(isize, isize, true);
[INFO] [stdout]     |     ----------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decoder.rs:733:15
[INFO] [stdout]     |
[INFO] [stdout] 733 |     Other(Box<Error + Send + Sync>)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 733 |     Other(Box<dyn Error + Send + Sync>)
[INFO] [stdout]     |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/encoder.rs:304:15
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Other(Box<Error + Send + Sync>)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Other(Box<dyn Error + Send + Sync>)
[INFO] [stdout]     |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/utf8.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/decoder.rs:769:32
[INFO] [stdout]     |
[INFO] [stdout] 769 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 769 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/encoder.rs:328:32
[INFO] [stdout]     |
[INFO] [stdout] 328 |     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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/decoder.rs:618:36
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn array_iter<A: FromJson>(&mut self) -> DecodeResult<ArrayIter<A, I>> {
[INFO] [stdout]     |                                    ^^^^^^^^^                  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn array_iter<A: FromJson>(&mut self) -> DecodeResult<ArrayIter<'_, A, I>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084", kill_on_drop: false }`
[INFO] [stdout] c98fb50955699d8ea1aca183db85ea027876cda4261d0c865569a776f554e084
