[INFO] fetching crate clierr 0.7.0...
[INFO] testing clierr-0.7.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate clierr 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate clierr 0.7.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clierr 0.7.0
[INFO] finished tweaking crates.io crate clierr 0.7.0
[INFO] tweaked toml for crates.io crate clierr 0.7.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 013b0bb6f7c91700099801d621991d594e2b3da7252c5cba453d6742cd06d753
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "013b0bb6f7c91700099801d621991d594e2b3da7252c5cba453d6742cd06d753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "013b0bb6f7c91700099801d621991d594e2b3da7252c5cba453d6742cd06d753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013b0bb6f7c91700099801d621991d594e2b3da7252c5cba453d6742cd06d753", kill_on_drop: false }`
[INFO] [stdout] 013b0bb6f7c91700099801d621991d594e2b3da7252c5cba453d6742cd06d753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e590eb7dbc828dff662f43a35a78de8e3274de490eeb58365ad303a48ee1e1e3
[INFO] running `Command { std: "docker" "start" "-a" "e590eb7dbc828dff662f43a35a78de8e3274de490eeb58365ad303a48ee1e1e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling clierr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     cause: Option<Box<StdError>>,
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |           E: Into<Box<StdError>>
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:169:23
[INFO] [stdout]     |
[INFO] [stdout] 169 |           E: Into<Box<StdError>>
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/lib.rs:114:43
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if let Some(cause) = self.cause() {
[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/lib.rs:120:42
[INFO] [stdout]     |
[INFO] [stdout] 120 |         } else if let Some(cause) = self.cause() {
[INFO] [stdout]     |                                          ^^^^^
[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/lib.rs:132:42
[INFO] [stdout]     |
[INFO] [stdout] 132 |         } else if let Some(cause) = self.cause() {
[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/lib.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |             cause.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e590eb7dbc828dff662f43a35a78de8e3274de490eeb58365ad303a48ee1e1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e590eb7dbc828dff662f43a35a78de8e3274de490eeb58365ad303a48ee1e1e3", kill_on_drop: false }`
[INFO] [stdout] e590eb7dbc828dff662f43a35a78de8e3274de490eeb58365ad303a48ee1e1e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5141d6066ab6feedd1ef1f1821ac4f24d362b39d9fff11fa6351469d2d61e393
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5141d6066ab6feedd1ef1f1821ac4f24d362b39d9fff11fa6351469d2d61e393", kill_on_drop: false }`
[INFO] [stderr]    Compiling clierr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     cause: Option<Box<StdError>>,
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |           E: Into<Box<StdError>>
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:169:23
[INFO] [stdout]     |
[INFO] [stdout] 169 |           E: Into<Box<StdError>>
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/lib.rs:114:43
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if let Some(cause) = self.cause() {
[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/lib.rs:120:42
[INFO] [stdout]     |
[INFO] [stdout] 120 |         } else if let Some(cause) = self.cause() {
[INFO] [stdout]     |                                          ^^^^^
[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/lib.rs:132:42
[INFO] [stdout]     |
[INFO] [stdout] 132 |         } else if let Some(cause) = self.cause() {
[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/lib.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |             cause.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!($e.describe_err_with(|| $fmt))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |             let _ = ctry!(ok(), "oh no!");
[INFO] [stdout]     |                     --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         try!($e.describe_err_with(|| format!($fmt, $($arg)*)))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |             let _ = ctry!(err(), "help {}", "us");
[INFO] [stdout]     |                     ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     cause: Option<Box<StdError>>,
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |           E: Into<Box<StdError>>
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:169:23
[INFO] [stdout]     |
[INFO] [stdout] 169 |           E: Into<Box<StdError>>
[INFO] [stdout]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:236:36
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn err_box() -> Result<(), Box<StdError>> {
[INFO] [stdout]     |                                    ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/lib.rs:114:43
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if let Some(cause) = self.cause() {
[INFO] [stdout]     |                                           ^^^^^
[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/lib.rs:120:42
[INFO] [stdout]     |
[INFO] [stdout] 120 |         } else if let Some(cause) = self.cause() {
[INFO] [stdout]     |                                          ^^^^^
[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/lib.rs:132:42
[INFO] [stdout]     |
[INFO] [stdout] 132 |         } else if let Some(cause) = self.cause() {
[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/lib.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 133 |             cause.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:248:32
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert_eq!(with_static.description(), "test");
[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/lib.rs:249:31
[INFO] [stdout]     |
[INFO] [stdout] 249 |         assert_eq!(with_owned.description(), "test2");
[INFO] [stdout]     |                               ^^^^^^^^^^^
[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/lib.rs:251:32
[INFO] [stdout]     |
[INFO] [stdout] 251 |         assert_eq!(with_static.cause().map(|c| c.description()), Some("cause"));
[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/lib.rs:251:50
[INFO] [stdout]     |
[INFO] [stdout] 251 |         assert_eq!(with_static.cause().map(|c| c.description()), Some("cause"));
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[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/lib.rs:252:29
[INFO] [stdout]     |
[INFO] [stdout] 252 |         assert!(with_static.cause().unwrap().cause().is_none());
[INFO] [stdout]     |                             ^^^^^
[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/lib.rs:252:46
[INFO] [stdout]     |
[INFO] [stdout] 252 |         assert!(with_static.cause().unwrap().cause().is_none());
[INFO] [stdout]     |                                              ^^^^^
[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/lib.rs:254:31
[INFO] [stdout]     |
[INFO] [stdout] 254 |         assert_eq!(with_owned.cause().map(|c| c.description()), Some("cause2"));
[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/lib.rs:254:49
[INFO] [stdout]     |
[INFO] [stdout] 254 |         assert_eq!(with_owned.cause().map(|c| c.description()), Some("cause2"));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[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/lib.rs:255:28
[INFO] [stdout]     |
[INFO] [stdout] 255 |         assert!(with_owned.cause().unwrap().cause().unwrap().cause().is_none());
[INFO] [stdout]     |                            ^^^^^
[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/lib.rs:255:45
[INFO] [stdout]     |
[INFO] [stdout] 255 |         assert!(with_owned.cause().unwrap().cause().unwrap().cause().is_none());
[INFO] [stdout]     |                                             ^^^^^
[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/lib.rs:255:62
[INFO] [stdout]     |
[INFO] [stdout] 255 |         assert!(with_owned.cause().unwrap().cause().unwrap().cause().is_none());
[INFO] [stdout]     |                                                              ^^^^^
[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/lib.rs:256:31
[INFO] [stdout]     |
[INFO] [stdout] 256 |         assert_eq!(with_owned.cause().map(|c| format!("{}", c)),
[INFO] [stdout]     |                               ^^^^^
[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/lib.rs:258:31
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert_eq!(with_owned.cause().and_then(|c| c.cause()).map(|c| c.description()),
[INFO] [stdout]     |                               ^^^^^
[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/lib.rs:258:54
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert_eq!(with_owned.cause().and_then(|c| c.cause()).map(|c| c.description()),
[INFO] [stdout]     |                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:258:73
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert_eq!(with_owned.cause().and_then(|c| c.cause()).map(|c| c.description()),
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:277:34
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 assert_eq!(error.description(), "wrapper");
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[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/lib.rs:278:34
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:278:52
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:287:34
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 assert_eq!(error.description(), "wrapper");
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[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/lib.rs:288:34
[INFO] [stdout]     |
[INFO] [stdout] 288 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:288:52
[INFO] [stdout]     |
[INFO] [stdout] 288 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:311:30
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 assert_eq!(e.description(), "help us");
[INFO] [stdout]     |                              ^^^^^^^^^^^
[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/lib.rs:312:30
[INFO] [stdout]     |
[INFO] [stdout] 312 |                 assert_eq!(e.cause().unwrap().description(), "test");
[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/lib.rs:312:47
[INFO] [stdout]     |
[INFO] [stdout] 312 |                 assert_eq!(e.cause().unwrap().description(), "test");
[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/lib.rs:335:30
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 assert_eq!(e.description(), "help us");
[INFO] [stdout]     |                              ^^^^^^^^^^^
[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/lib.rs:336:27
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 assert!(e.cause().is_none());
[INFO] [stdout]     |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "5141d6066ab6feedd1ef1f1821ac4f24d362b39d9fff11fa6351469d2d61e393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5141d6066ab6feedd1ef1f1821ac4f24d362b39d9fff11fa6351469d2d61e393", kill_on_drop: false }`
[INFO] [stdout] 5141d6066ab6feedd1ef1f1821ac4f24d362b39d9fff11fa6351469d2d61e393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ca494c20ce59be55ac8910ac9d6429e9f390b4b2ce571f795a49e91d205965b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ca494c20ce59be55ac8910ac9d6429e9f390b4b2ce571f795a49e91d205965b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |     cause: Option<Box<StdError>>,
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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:139:32
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:146:23
[INFO] [stderr]     |
[INFO] [stderr] 146 |           E: Into<Box<StdError>>
[INFO] [stderr]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:169:23
[INFO] [stderr]     |
[INFO] [stderr] 169 |           E: Into<Box<StdError>>
[INFO] [stderr]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/lib.rs:114:43
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 if let Some(cause) = self.cause() {
[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/lib.rs:120:42
[INFO] [stderr]     |
[INFO] [stderr] 120 |         } else if let Some(cause) = self.cause() {
[INFO] [stderr]     |                                          ^^^^^
[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/lib.rs:132:42
[INFO] [stderr]     |
[INFO] [stderr] 132 |         } else if let Some(cause) = self.cause() {
[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/lib.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |             cause.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         try!($e.describe_err_with(|| $fmt))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 297 |             let _ = ctry!(ok(), "oh no!");
[INFO] [stderr]     |                     --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |         try!($e.describe_err_with(|| format!($fmt, $($arg)*)))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 306 |             let _ = ctry!(err(), "help {}", "us");
[INFO] [stderr]     |                     ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |     cause: Option<Box<StdError>>,
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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:139:32
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:146:23
[INFO] [stderr]     |
[INFO] [stderr] 146 |           E: Into<Box<StdError>>
[INFO] [stderr]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:169:23
[INFO] [stderr]     |
[INFO] [stderr] 169 |           E: Into<Box<StdError>>
[INFO] [stderr]     |                       ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:236:36
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn err_box() -> Result<(), Box<StdError>> {
[INFO] [stderr]     |                                    ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/lib.rs:114:43
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 if let Some(cause) = self.cause() {
[INFO] [stderr]     |                                           ^^^^^
[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/lib.rs:120:42
[INFO] [stderr]     |
[INFO] [stderr] 120 |         } else if let Some(cause) = self.cause() {
[INFO] [stderr]     |                                          ^^^^^
[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/lib.rs:132:42
[INFO] [stderr]     |
[INFO] [stderr] 132 |         } else if let Some(cause) = self.cause() {
[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/lib.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr] 133 |             cause.description()
[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/lib.rs:248:32
[INFO] [stderr]     |
[INFO] [stderr] 248 |         assert_eq!(with_static.description(), "test");
[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/lib.rs:249:31
[INFO] [stderr]     |
[INFO] [stderr] 249 |         assert_eq!(with_owned.description(), "test2");
[INFO] [stderr]     |                               ^^^^^^^^^^^
[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/lib.rs:251:32
[INFO] [stderr]     |
[INFO] [stderr] 251 |         assert_eq!(with_static.cause().map(|c| c.description()), Some("cause"));
[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/lib.rs:251:50
[INFO] [stderr]     |
[INFO] [stderr] 251 |         assert_eq!(with_static.cause().map(|c| c.description()), Some("cause"));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^
[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/lib.rs:252:29
[INFO] [stderr]     |
[INFO] [stderr] 252 |         assert!(with_static.cause().unwrap().cause().is_none());
[INFO] [stderr]     |                             ^^^^^
[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/lib.rs:252:46
[INFO] [stderr]     |
[INFO] [stderr] 252 |         assert!(with_static.cause().unwrap().cause().is_none());
[INFO] [stderr]     |                                              ^^^^^
[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/lib.rs:254:31
[INFO] [stderr]     |
[INFO] [stderr] 254 |         assert_eq!(with_owned.cause().map(|c| c.description()), Some("cause2"));
[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/lib.rs:254:49
[INFO] [stderr]     |
[INFO] [stderr] 254 |         assert_eq!(with_owned.cause().map(|c| c.description()), Some("cause2"));
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[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/lib.rs:255:28
[INFO] [stderr]     |
[INFO] [stderr] 255 |         assert!(with_owned.cause().unwrap().cause().unwrap().cause().is_none());
[INFO] [stderr]     |                            ^^^^^
[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/lib.rs:255:45
[INFO] [stderr]     |
[INFO] [stderr] 255 |         assert!(with_owned.cause().unwrap().cause().unwrap().cause().is_none());
[INFO] [stderr]     |                                             ^^^^^
[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/lib.rs:255:62
[INFO] [stderr]     |
[INFO] [stderr] 255 |         assert!(with_owned.cause().unwrap().cause().unwrap().cause().is_none());
[INFO] [stderr]     |                                                              ^^^^^
[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/lib.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 |         assert_eq!(with_owned.cause().map(|c| format!("{}", c)),
[INFO] [stderr]     |                               ^^^^^
[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/lib.rs:258:31
[INFO] [stderr]     |
[INFO] [stderr] 258 |         assert_eq!(with_owned.cause().and_then(|c| c.cause()).map(|c| c.description()),
[INFO] [stderr]     |                               ^^^^^
[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/lib.rs:258:54
[INFO] [stderr]     |
[INFO] [stderr] 258 |         assert_eq!(with_owned.cause().and_then(|c| c.cause()).map(|c| c.description()),
[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/lib.rs:258:73
[INFO] [stderr]     |
[INFO] [stderr] 258 |         assert_eq!(with_owned.cause().and_then(|c| c.cause()).map(|c| c.description()),
[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/lib.rs:277:34
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 assert_eq!(error.description(), "wrapper");
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[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/lib.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:278:52
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:287:34
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 assert_eq!(error.description(), "wrapper");
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[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/lib.rs:288:34
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:288:52
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 assert_eq!(error.cause().map(|c| c.description()), Some("test"));
[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/lib.rs:311:30
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 assert_eq!(e.description(), "help us");
[INFO] [stderr]     |                              ^^^^^^^^^^^
[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/lib.rs:312:30
[INFO] [stderr]     |
[INFO] [stderr] 312 |                 assert_eq!(e.cause().unwrap().description(), "test");
[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/lib.rs:312:47
[INFO] [stderr]     |
[INFO] [stderr] 312 |                 assert_eq!(e.cause().unwrap().description(), "test");
[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/lib.rs:335:30
[INFO] [stderr]     |
[INFO] [stderr] 335 |                 assert_eq!(e.description(), "help us");
[INFO] [stderr]     |                              ^^^^^^^^^^^
[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/lib.rs:336:27
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 assert!(e.cause().is_none());
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 37 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clierr-4042a0c6d437869a
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::ccheck_err ... ok
[INFO] [stderr] clierr-4042a0c6d437869a: test
[INFO] [stdout] test test::run_returns_zero_for_success ... ok
[INFO] [stderr] clierr-4042a0c6d437869a: test
[INFO] [stdout] test test::ccheck_ok ... ok
[INFO] [stdout] test test::ctry_ok ... ok
[INFO] [stdout] test test::describe_err ... ok
[INFO] [stdout] test test::run_returns_one_for_error_box ... ok
[INFO] [stdout] test test::error ... ok
[INFO] [stdout] test test::ctry_err ... ok
[INFO] [stdout] test test::run_returns_one_for_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clierr
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Error::new (line 29) ... ok
[INFO] [stdout] test src/lib.rs - Error::new (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ca494c20ce59be55ac8910ac9d6429e9f390b4b2ce571f795a49e91d205965b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca494c20ce59be55ac8910ac9d6429e9f390b4b2ce571f795a49e91d205965b", kill_on_drop: false }`
[INFO] [stdout] 9ca494c20ce59be55ac8910ac9d6429e9f390b4b2ce571f795a49e91d205965b
