[INFO] fetching crate notify-forked 4.0.12...
[INFO] testing notify-forked-4.0.12 against 1.47.0 for beta-1.48-1
[INFO] extracting crate notify-forked 4.0.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate notify-forked 4.0.12 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notify-forked 4.0.12
[INFO] finished tweaking crates.io crate notify-forked 4.0.12
[INFO] tweaked toml for crates.io crate notify-forked 4.0.12 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate notify-forked 4.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13850e85fd327954e24d30f73bad3cbd4d35a047fd3d83e0cab9791acba2b1fe
[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" "13850e85fd327954e24d30f73bad3cbd4d35a047fd3d83e0cab9791acba2b1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13850e85fd327954e24d30f73bad3cbd4d35a047fd3d83e0cab9791acba2b1fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13850e85fd327954e24d30f73bad3cbd4d35a047fd3d83e0cab9791acba2b1fe", kill_on_drop: false }`
[INFO] [stdout] 13850e85fd327954e24d30f73bad3cbd4d35a047fd3d83e0cab9791acba2b1fe
[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=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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 979678376cdc16b96bde611e1ab401b64ff43863f3fd420422c88ab2d2cec254
[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" "979678376cdc16b96bde611e1ab401b64ff43863f3fd420422c88ab2d2cec254", kill_on_drop: false }`
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling notify-forked v4.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:329:24
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let metadata = try!(metadata(&path).map_err(Error::Io));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |             try!(self.add_single_watch(entry.path().to_path_buf(), is_recursive, watch_self));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:392:21
[INFO] [stdout]     |
[INFO] [stdout] 392 |                     try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:399:33
[INFO] [stdout]     |
[INFO] [stdout] 399 | ...                   try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:417:17
[INFO] [stdout]     |
[INFO] [stdout] 417 |                 try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:464:21
[INFO] [stdout]     |
[INFO] [stdout] 464 |             let p = try!(env::current_dir().map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:479:21
[INFO] [stdout]     |
[INFO] [stdout] 479 |             let p = try!(env::current_dir().map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 (a1 == b1 && a2 == b2)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:513:32
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn cause(&self) -> Option<&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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:493:39
[INFO] [stdout]     |
[INFO] [stdout] 493 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "979678376cdc16b96bde611e1ab401b64ff43863f3fd420422c88ab2d2cec254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979678376cdc16b96bde611e1ab401b64ff43863f3fd420422c88ab2d2cec254", kill_on_drop: false }`
[INFO] [stdout] 979678376cdc16b96bde611e1ab401b64ff43863f3fd420422c88ab2d2cec254
[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=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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e3c15b02e434c8d2b3ba60175fba2bb80e684552a5bedc7fbdc87e61db5f6e9
[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" "5e3c15b02e434c8d2b3ba60175fba2bb80e684552a5bedc7fbdc87e61db5f6e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:329:24
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let metadata = try!(metadata(&path).map_err(Error::Io));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |             try!(self.add_single_watch(entry.path().to_path_buf(), is_recursive, watch_self));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:392:21
[INFO] [stdout]     |
[INFO] [stdout] 392 |                     try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:399:33
[INFO] [stdout]     |
[INFO] [stdout] 399 | ...                   try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:417:17
[INFO] [stdout]     |
[INFO] [stdout] 417 |                 try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:464:21
[INFO] [stdout]     |
[INFO] [stdout] 464 |             let p = try!(env::current_dir().map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:479:21
[INFO] [stdout]     |
[INFO] [stdout] 479 |             let p = try!(env::current_dir().map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 (a1 == b1 && a2 == b2)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:513:32
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn cause(&self) -> Option<&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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:493:39
[INFO] [stdout]     |
[INFO] [stdout] 493 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling notify-forked v4.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> tests/debounce.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> examples/monitor_raw.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `notify-forked`.
[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[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> tests/watcher.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> tests/fsevents.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> examples/monitor_debounced.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> tests/windows.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> tests/notify.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `notify`
[INFO] [stdout]  --> tests/event_path.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate notify;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:329:24
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let metadata = try!(metadata(&path).map_err(Error::Io));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |             try!(self.add_single_watch(entry.path().to_path_buf(), is_recursive, watch_self));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:392:21
[INFO] [stdout]     |
[INFO] [stdout] 392 |                     try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:399:33
[INFO] [stdout]     |
[INFO] [stdout] 399 | ...                   try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:417:17
[INFO] [stdout]     |
[INFO] [stdout] 417 |                 try!(inotify.rm_watch(w.clone()).map_err(Error::Io));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:464:21
[INFO] [stdout]     |
[INFO] [stdout] 464 |             let p = try!(env::current_dir().map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/inotify.rs:479:21
[INFO] [stdout]     |
[INFO] [stdout] 479 |             let p = try!(env::current_dir().map_err(Error::Io));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |                 (a1 == b1 && a2 == b2)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:513:32
[INFO] [stdout]     |
[INFO] [stdout] 513 |     fn cause(&self) -> Option<&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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:493:39
[INFO] [stdout]     |
[INFO] [stdout] 493 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5e3c15b02e434c8d2b3ba60175fba2bb80e684552a5bedc7fbdc87e61db5f6e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3c15b02e434c8d2b3ba60175fba2bb80e684552a5bedc7fbdc87e61db5f6e9", kill_on_drop: false }`
[INFO] [stdout] 5e3c15b02e434c8d2b3ba60175fba2bb80e684552a5bedc7fbdc87e61db5f6e9
