[INFO] fetching crate failure_without_backtrace 0.1.2...
[INFO] checking failure_without_backtrace-0.1.2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate failure_without_backtrace 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate failure_without_backtrace 0.1.2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate failure_without_backtrace 0.1.2
[INFO] finished tweaking crates.io crate failure_without_backtrace 0.1.2
[INFO] tweaked toml for crates.io crate failure_without_backtrace 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive_without_backtrace v0.1.2
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24a5dc5a84b76ba13f32449f97cc6e77ea3ed058fa486d11480954c813fb6c91
[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" "24a5dc5a84b76ba13f32449f97cc6e77ea3ed058fa486d11480954c813fb6c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a5dc5a84b76ba13f32449f97cc6e77ea3ed058fa486d11480954c813fb6c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a5dc5a84b76ba13f32449f97cc6e77ea3ed058fa486d11480954c813fb6c91", kill_on_drop: false }`
[INFO] [stdout] 24a5dc5a84b76ba13f32449f97cc6e77ea3ed058fa486d11480954c813fb6c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--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] 5fc9e511a8000f469915de6312ad81ed8dabdba0379af8affcceca6a01a575ba
[INFO] running `Command { std: "docker" "start" "-a" "5fc9e511a8000f469915de6312ad81ed8dabdba0379af8affcceca6a01a575ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive_without_backtrace v0.1.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking failure_without_backtrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/box_std.rs:5:27
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct BoxStd(pub Box<Error + Send + Sync + 'static>);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compat.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |     impl From<Error> for Box<StdError> {
[INFO] [stdout]    |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compat.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |         fn from(error: Error) -> Box<StdError> {
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:84:36
[INFO] [stdout]    |
[INFO] [stdout] 84 |         fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/context.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |         fn as_cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/error/error_impl.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     inner: Box<Inner<Fail>>,
[INFO] [stdout]   |                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/error_impl.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn failure(&self) -> &Fail {
[INFO] [stdout]    |                                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/error_impl.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn failure_mut(&mut self) -> &mut Fail {
[INFO] [stdout]    |                                                  ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn from_boxed_compat(err: Box<StdError + Sync + Send + 'static>) -> Error {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Sync + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn as_fail(&self) -> &Fail {
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn cause(&self) -> &Fail {
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:131:39
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn find_root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                  ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | impl AsRef<Fail> for Error {
[INFO] [stdout]     |            ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:200:26
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn as_ref(&self) -> &Fail {
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:174:30
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn root_cause(&self) -> &Fail
[INFO] [stdout]     |                              ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl Fail {
[INFO] [stdout]     |      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:193:45
[INFO] [stdout]     |
[INFO] [stdout] 193 |             unsafe { Some(&*(self as *const Fail as *const T)) }
[INFO] [stdout]     |                                             ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:205:47
[INFO] [stdout]     |
[INFO] [stdout] 205 |             unsafe { Some(&mut *(self as *mut Fail as *mut T)) }
[INFO] [stdout]     |                                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn find_root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                  ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 | impl Fail for Box<Fail> {
[INFO] [stdout]     |                   ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:259:32
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:270:22
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fail: Option<&'f Fail>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |     type Item = &'f Fail;
[INFO] [stdout]     |                     ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:275:38
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn next(&mut self) -> Option<&'f Fail> {
[INFO] [stdout]     |                                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:31
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn find_root_cause(mut fail: &Fail) -> &Fail {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:41
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn find_root_cause(mut fail: &Fail) -> &Fail {
[INFO] [stdout]     |                                         ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/box_std.rs:5:27
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct BoxStd(pub Box<Error + Send + Sync + 'static>);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compat.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |     impl From<Error> for Box<StdError> {
[INFO] [stdout]    |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compat.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |         fn from(error: Error) -> Box<StdError> {
[INFO] [stdout]    |                                      ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/context.rs:84:36
[INFO] [stdout]    |
[INFO] [stdout] 84 |         fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/context.rs:118:39
[INFO] [stdout]     |
[INFO] [stdout] 118 |         fn as_cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/error/error_impl.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     inner: Box<Inner<Fail>>,
[INFO] [stdout]   |                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/error_impl.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn failure(&self) -> &Fail {
[INFO] [stdout]    |                                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/error_impl.rs:33:50
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn failure_mut(&mut self) -> &mut Fail {
[INFO] [stdout]    |                                                  ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn from_boxed_compat(err: Box<StdError + Sync + Send + 'static>) -> Error {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Sync + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn as_fail(&self) -> &Fail {
[INFO] [stdout]    |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn cause(&self) -> &Fail {
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:131:39
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn find_root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                  ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | impl AsRef<Fail> for Error {
[INFO] [stdout]     |            ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:200:26
[INFO] [stdout]     |
[INFO] [stdout] 200 |     fn as_ref(&self) -> &Fail {
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:174:30
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn root_cause(&self) -> &Fail
[INFO] [stdout]     |                              ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl Fail {
[INFO] [stdout]     |      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:193:45
[INFO] [stdout]     |
[INFO] [stdout] 193 |             unsafe { Some(&*(self as *const Fail as *const T)) }
[INFO] [stdout]     |                                             ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:205:47
[INFO] [stdout]     |
[INFO] [stdout] 205 |             unsafe { Some(&mut *(self as *mut Fail as *mut T)) }
[INFO] [stdout]     |                                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn find_root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn root_cause(&self) -> &Fail {
[INFO] [stdout]     |                                  ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 | impl Fail for Box<Fail> {
[INFO] [stdout]     |                   ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:259:32
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:270:22
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fail: Option<&'f Fail>,
[INFO] [stdout]     |                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:274:21
[INFO] [stdout]     |
[INFO] [stdout] 274 |     type Item = &'f Fail;
[INFO] [stdout]     |                     ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:275:38
[INFO] [stdout]     |
[INFO] [stdout] 275 |     fn next(&mut self) -> Option<&'f Fail> {
[INFO] [stdout]     |                                      ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:31
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn find_root_cause(mut fail: &Fail) -> &Fail {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:283:41
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn find_root_cause(mut fail: &Fail) -> &Fail {
[INFO] [stdout]     |                                         ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 29 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `failure_without_backtrace`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 29 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5fc9e511a8000f469915de6312ad81ed8dabdba0379af8affcceca6a01a575ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc9e511a8000f469915de6312ad81ed8dabdba0379af8affcceca6a01a575ba", kill_on_drop: false }`
[INFO] [stdout] 5fc9e511a8000f469915de6312ad81ed8dabdba0379af8affcceca6a01a575ba