[INFO] crate arc-io-error 0.1.1 is already in cache
[INFO] testing arc-io-error-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate arc-io-error 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arc-io-error 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arc-io-error 0.1.1
[INFO] finished tweaking crates.io crate arc-io-error 0.1.1
[INFO] tweaked toml for crates.io crate arc-io-error 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fe94138ce7ed525faa0c3a5e89b64c2dd47e622a0e52781adae759dbcfb5390
[INFO] running `"docker" "start" "-a" "6fe94138ce7ed525faa0c3a5e89b64c2dd47e622a0e52781adae759dbcfb5390"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arc-io-error v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Custom(IoErrorKind, Arc<Error + Send + Sync>),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |         where E: Into<Arc<Error + Send + Sync>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn get_ref(&self) -> Option<&('static + Error + Send + Sync)> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:43
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn into_inner(self) -> Option<Arc<Error + Send + Sync>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:32
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 | struct ArcError(Arc<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:255:21
[INFO] [stderr]     |
[INFO] [stderr] 255 | struct BoxError(Box<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:32
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:214:76
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 unsafe { mem::transmute(io::Error::from_raw_os_error(code).description()) }
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:217:63
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 unsafe { mem::transmute(io::Error::from(kind).description()) }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:219:56
[INFO] [stderr]     |
[INFO] [stderr] 219 |             IoErrorRepr::Custom(_, ref inner) => inner.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:225:56
[INFO] [stderr]     |
[INFO] [stderr] 225 |             IoErrorRepr::Custom(_, ref inner) => inner.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:247:16
[INFO] [stderr]     |
[INFO] [stderr] 247 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "6fe94138ce7ed525faa0c3a5e89b64c2dd47e622a0e52781adae759dbcfb5390"`
[INFO] running `"docker" "rm" "-f" "6fe94138ce7ed525faa0c3a5e89b64c2dd47e622a0e52781adae759dbcfb5390"`
[INFO] [stdout] 6fe94138ce7ed525faa0c3a5e89b64c2dd47e622a0e52781adae759dbcfb5390
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50b0b14de915e662d548b11945e132f877a05fd01a4f5bb94669a0cd56c28dd4
[INFO] running `"docker" "start" "-a" "50b0b14de915e662d548b11945e132f877a05fd01a4f5bb94669a0cd56c28dd4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arc-io-error v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Custom(IoErrorKind, Arc<Error + Send + Sync>),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |         where E: Into<Arc<Error + Send + Sync>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn get_ref(&self) -> Option<&('static + Error + Send + Sync)> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:43
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn into_inner(self) -> Option<Arc<Error + Send + Sync>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:32
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 | struct ArcError(Arc<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:255:21
[INFO] [stderr]     |
[INFO] [stderr] 255 | struct BoxError(Box<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:32
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:214:76
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 unsafe { mem::transmute(io::Error::from_raw_os_error(code).description()) }
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:217:63
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 unsafe { mem::transmute(io::Error::from(kind).description()) }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:219:56
[INFO] [stderr]     |
[INFO] [stderr] 219 |             IoErrorRepr::Custom(_, ref inner) => inner.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:225:56
[INFO] [stderr]     |
[INFO] [stderr] 225 |             IoErrorRepr::Custom(_, ref inner) => inner.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:247:16
[INFO] [stderr]     |
[INFO] [stderr] 247 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Custom(IoErrorKind, Arc<Error + Send + Sync>),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |         where E: Into<Arc<Error + Send + Sync>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn get_ref(&self) -> Option<&('static + Error + Send + Sync)> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:43
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn into_inner(self) -> Option<Arc<Error + Send + Sync>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:32
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 | struct ArcError(Arc<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:255:21
[INFO] [stderr]     |
[INFO] [stderr] 255 | struct BoxError(Box<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:32
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test.rs:86:36
[INFO] [stderr]    |
[INFO] [stderr] 86 |         fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:214:76
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 unsafe { mem::transmute(io::Error::from_raw_os_error(code).description()) }
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:217:63
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 unsafe { mem::transmute(io::Error::from(kind).description()) }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:219:56
[INFO] [stderr]     |
[INFO] [stderr] 219 |             IoErrorRepr::Custom(_, ref inner) => inner.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:225:56
[INFO] [stderr]     |
[INFO] [stderr] 225 |             IoErrorRepr::Custom(_, ref inner) => inner.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:247:16
[INFO] [stderr]     |
[INFO] [stderr] 247 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:16:41
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:46:41
[INFO] [stderr]    |
[INFO] [stderr] 46 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:48:41
[INFO] [stderr]    |
[INFO] [stderr] 48 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:96:41
[INFO] [stderr]    |
[INFO] [stderr] 96 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:97:41
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:98:41
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:77:38
[INFO] [stderr]    |
[INFO] [stderr] 77 |             write!(f, "{}: {}", self.description(), self.0)
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "50b0b14de915e662d548b11945e132f877a05fd01a4f5bb94669a0cd56c28dd4"`
[INFO] running `"docker" "rm" "-f" "50b0b14de915e662d548b11945e132f877a05fd01a4f5bb94669a0cd56c28dd4"`
[INFO] [stdout] 50b0b14de915e662d548b11945e132f877a05fd01a4f5bb94669a0cd56c28dd4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e88a805148bdb92beb55510d67e2dde24b8a00b914a711b88ce0526aefe7642a
[INFO] running `"docker" "start" "-a" "e88a805148bdb92beb55510d67e2dde24b8a00b914a711b88ce0526aefe7642a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Custom(IoErrorKind, Arc<Error + Send + Sync>),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |         where E: Into<Arc<Error + Send + Sync>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn get_ref(&self) -> Option<&('static + Error + Send + Sync)> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:43
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn into_inner(self) -> Option<Arc<Error + Send + Sync>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:32
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 | struct ArcError(Arc<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:255:21
[INFO] [stderr]     |
[INFO] [stderr] 255 | struct BoxError(Box<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:32
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:214:76
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 unsafe { mem::transmute(io::Error::from_raw_os_error(code).description()) }
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:217:63
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 unsafe { mem::transmute(io::Error::from(kind).description()) }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:219:56
[INFO] [stderr]     |
[INFO] [stderr] 219 |             IoErrorRepr::Custom(_, ref inner) => inner.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:225:56
[INFO] [stderr]     |
[INFO] [stderr] 225 |             IoErrorRepr::Custom(_, ref inner) => inner.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:247:16
[INFO] [stderr]     |
[INFO] [stderr] 247 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Custom(IoErrorKind, Arc<Error + Send + Sync>),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |         where E: Into<Arc<Error + Send + Sync>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:39
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn get_ref(&self) -> Option<&('static + Error + Send + Sync)> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'static + Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:43
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn into_inner(self) -> Option<Arc<Error + Send + Sync>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:32
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 | struct ArcError(Arc<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:250:32
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:255:21
[INFO] [stderr]     |
[INFO] [stderr] 255 | struct BoxError(Box<Error + Send + Sync>);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:32
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:214:76
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 unsafe { mem::transmute(io::Error::from_raw_os_error(code).description()) }
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:217:63
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 unsafe { mem::transmute(io::Error::from(kind).description()) }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:219:56
[INFO] [stderr]     |
[INFO] [stderr] 219 |             IoErrorRepr::Custom(_, ref inner) => inner.description(),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:225:56
[INFO] [stderr]     |
[INFO] [stderr] 225 |             IoErrorRepr::Custom(_, ref inner) => inner.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:247:16
[INFO] [stderr]     |
[INFO] [stderr] 247 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:271:16
[INFO] [stderr]     |
[INFO] [stderr] 271 |         self.0.description()
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test.rs:86:36
[INFO] [stderr]    |
[INFO] [stderr] 86 |         fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:16:41
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:46:41
[INFO] [stderr]    |
[INFO] [stderr] 46 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:48:41
[INFO] [stderr]    |
[INFO] [stderr] 48 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:96:41
[INFO] [stderr]    |
[INFO] [stderr] 96 |     assert_eq!(err1.description(), err2.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:97:41
[INFO] [stderr]    |
[INFO] [stderr] 97 |     assert_eq!(err1.description(), err3.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:98:41
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_eq!(err1.description(), err4.description());
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> tests/test.rs:77:38
[INFO] [stderr]    |
[INFO] [stderr] 77 |             write!(f, "{}: {}", self.description(), self.0)
[INFO] [stderr]    |                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arc_io_error-dd07046e173f68e3
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-11051e49cf251057
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_kind ... ok
[INFO] [stdout] test test_custom ... ok
[INFO] [stdout] test test_os ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arc-io-error
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e88a805148bdb92beb55510d67e2dde24b8a00b914a711b88ce0526aefe7642a"`
[INFO] running `"docker" "rm" "-f" "e88a805148bdb92beb55510d67e2dde24b8a00b914a711b88ce0526aefe7642a"`
[INFO] [stdout] e88a805148bdb92beb55510d67e2dde24b8a00b914a711b88ce0526aefe7642a