[INFO] fetching crate pbcodec 0.0.8...
[INFO] testing pbcodec-0.0.8 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pbcodec 0.0.8 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate pbcodec 0.0.8 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pbcodec 0.0.8
[INFO] finished tweaking crates.io crate pbcodec 0.0.8
[INFO] tweaked toml for crates.io crate pbcodec 0.0.8 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24faea66b4fb106a50dd1aaf87e9faa33e983ca920d0bd784695dfd80fa6f23d
[INFO] running `Command { std: "docker" "start" "-a" "24faea66b4fb106a50dd1aaf87e9faa33e983ca920d0bd784695dfd80fa6f23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24faea66b4fb106a50dd1aaf87e9faa33e983ca920d0bd784695dfd80fa6f23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24faea66b4fb106a50dd1aaf87e9faa33e983ca920d0bd784695dfd80fa6f23d", kill_on_drop: false }`
[INFO] [stdout] 24faea66b4fb106a50dd1aaf87e9faa33e983ca920d0bd784695dfd80fa6f23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd84ff3d4795c0f1165d65c3c3f4b2d33eb830329563328b9b71aa76fb0d1e1f
[INFO] running `Command { std: "docker" "start" "-a" "dd84ff3d4795c0f1165d65c3c3f4b2d33eb830329563328b9b71aa76fb0d1e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling pbcodec v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/future/decode/message.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     w @ 3...4 => failed!(r, ErrorKind::Unsupported, "Unsupported wire type: {}", w),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:27:34
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout] 27 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout] 43 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout] 61 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&std::error::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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout] 29 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "dd84ff3d4795c0f1165d65c3c3f4b2d33eb830329563328b9b71aa76fb0d1e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd84ff3d4795c0f1165d65c3c3f4b2d33eb830329563328b9b71aa76fb0d1e1f", kill_on_drop: false }`
[INFO] [stdout] dd84ff3d4795c0f1165d65c3c3f4b2d33eb830329563328b9b71aa76fb0d1e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21b247518893bcdc932e19afec47e5b40c7c02c56097a3e8a32f67bfebced852
[INFO] running `Command { std: "docker" "start" "-a" "21b247518893bcdc932e19afec47e5b40c7c02c56097a3e8a32f67bfebced852", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pbcodec v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/future/decode/message.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     w @ 3...4 => failed!(r, ErrorKind::Unsupported, "Unsupported wire type: {}", w),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:27:34
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout] 27 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout] 43 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout] 61 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&std::error::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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout] 29 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/future/decode/message.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     w @ 3...4 => failed!(r, ErrorKind::Unsupported, "Unsupported wire type: {}", w),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:27:34
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout] 27 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:43:34
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout] 43 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/traits.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 61 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout] 61 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&std::error::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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout] 29 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.error.description()
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         self.error.cause()
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `Command { std: "docker" "inspect" "21b247518893bcdc932e19afec47e5b40c7c02c56097a3e8a32f67bfebced852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b247518893bcdc932e19afec47e5b40c7c02c56097a3e8a32f67bfebced852", kill_on_drop: false }`
[INFO] [stdout] 21b247518893bcdc932e19afec47e5b40c7c02c56097a3e8a32f67bfebced852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e68b2d4fa5b0829e156edefb3e41072205d57ad0c7eddb6350fff725b913917
[INFO] running `Command { std: "docker" "start" "-a" "5e68b2d4fa5b0829e156edefb3e41072205d57ad0c7eddb6350fff725b913917", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/future/decode/message.rs:103:26
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     w @ 3...4 => failed!(r, ErrorKind::Unsupported, "Unsupported wire type: {}", w),
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 27 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stderr] 27 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits.rs:43:34
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 43 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stderr] 43 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traits.rs:61:34
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 61 -     fn iter<'a>(&'a self) -> Box<Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stderr] 61 +     fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = (&'a Self::Key, &'a Self::Value)> + 'a> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr] 29 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |         self.error.description()
[INFO] [stderr]    |                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         self.error.cause()
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pbcodec` (lib) generated 7 warnings
[INFO] [stderr] warning: `pbcodec` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pbcodec-d27f04da7c1fc0f7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::decode_works ... ok
[INFO] [stdout] test test::derived_message_works ... ok
[INFO] [stdout] test test::encode_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-1fb1a9774d0121c9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test packed_repeated_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pbcodec
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/future/decode/message.rs:103:26
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     w @ 3...4 => failed!(r, ErrorKind::Unsupported, "Unsupported wire type: {}", w),
[INFO] [stderr]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e68b2d4fa5b0829e156edefb3e41072205d57ad0c7eddb6350fff725b913917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e68b2d4fa5b0829e156edefb3e41072205d57ad0c7eddb6350fff725b913917", kill_on_drop: false }`
[INFO] [stdout] 5e68b2d4fa5b0829e156edefb3e41072205d57ad0c7eddb6350fff725b913917