[INFO] fetching crate tokio-sync 0.1.8...
[INFO] testing tokio-sync-0.1.8 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tokio-sync 0.1.8 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate tokio-sync 0.1.8 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-sync 0.1.8
[INFO] finished tweaking crates.io crate tokio-sync 0.1.8
[INFO] tweaked toml for crates.io crate tokio-sync 0.1.8 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loom v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 978cfa3f23bec3f98ecbfe7e7234d7fc8ef0e3d5abbd94d0462104c0b1cd4e8b
[INFO] running `Command { std: "docker" "start" "-a" "978cfa3f23bec3f98ecbfe7e7234d7fc8ef0e3d5abbd94d0462104c0b1cd4e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "978cfa3f23bec3f98ecbfe7e7234d7fc8ef0e3d5abbd94d0462104c0b1cd4e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978cfa3f23bec3f98ecbfe7e7234d7fc8ef0e3d5abbd94d0462104c0b1cd4e8b", kill_on_drop: false }`
[INFO] [stdout] 978cfa3f23bec3f98ecbfe7e7234d7fc8ef0e3d5abbd94d0462104c0b1cd4e8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7763c9769e72520a8973c747f467db46d8dbee2b22bc309b2a5b2d1cc2ab2efd
[INFO] running `Command { std: "docker" "start" "-a" "7763c9769e72520a8973c747f467db46d8dbee2b22bc309b2a5b2d1cc2ab2efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling tokio-sync v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ::std::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/oneshot.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/oneshot.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpsc/block.rs:366:29
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let mut vals = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:311:43
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[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/mpsc/bounded.rs:223:32
[INFO] [stdout]     |
[INFO] [stdout] 223 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:293:32
[INFO] [stdout]     |
[INFO] [stdout] 293 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/list.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[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/mpsc/unbounded.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", self.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/oneshot.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |             write!(fmt, "{}", self.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/oneshot.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(fmt, "{}", self.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/semaphore.rs:688:32
[INFO] [stdout]     |
[INFO] [stdout] 688 |         write!(fmt, "{}", self.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/semaphore.rs:734:32
[INFO] [stdout]     |
[INFO] [stdout] 734 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/atomic_task.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[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/watch.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             write!(fmt, "{}", self.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/watch.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> src/watch.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         pub(crate) inner: T,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/watch.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     #[derive(Debug)]
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "7763c9769e72520a8973c747f467db46d8dbee2b22bc309b2a5b2d1cc2ab2efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7763c9769e72520a8973c747f467db46d8dbee2b22bc309b2a5b2d1cc2ab2efd", kill_on_drop: false }`
[INFO] [stdout] 7763c9769e72520a8973c747f467db46d8dbee2b22bc309b2a5b2d1cc2ab2efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97119364cf40b954f841e3b75ff87ea407972d2fcbb2034b8a3d5a15cf05fc96
[INFO] running `Command { std: "docker" "start" "-a" "97119364cf40b954f841e3b75ff87ea407972d2fcbb2034b8a3d5a15cf05fc96", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-mock-task v0.1.1
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ::std::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/oneshot.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/oneshot.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpsc/block.rs:366:29
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let mut vals = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:311:43
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[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/mpsc/bounded.rs:223:32
[INFO] [stdout]     |
[INFO] [stdout] 223 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:293:32
[INFO] [stdout]     |
[INFO] [stdout] 293 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/list.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[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/mpsc/unbounded.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", self.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/oneshot.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |             write!(fmt, "{}", self.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/oneshot.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(fmt, "{}", self.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/semaphore.rs:688:32
[INFO] [stdout]     |
[INFO] [stdout] 688 |         write!(fmt, "{}", self.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/semaphore.rs:734:32
[INFO] [stdout]     |
[INFO] [stdout] 734 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/atomic_task.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[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/watch.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             write!(fmt, "{}", self.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/watch.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> src/watch.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         pub(crate) inner: T,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/watch.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     #[derive(Debug)]
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling loom v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-sync v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ::std::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/oneshot.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/oneshot.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mpsc/block.rs:366:29
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let mut vals = mem::uninitialized();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:311:43
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[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/mpsc/bounded.rs:223:32
[INFO] [stdout]     |
[INFO] [stdout] 223 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:293:32
[INFO] [stdout]     |
[INFO] [stdout] 293 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/list.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[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/mpsc/unbounded.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", self.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/oneshot.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |             write!(fmt, "{}", self.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/oneshot.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(fmt, "{}", self.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/semaphore.rs:688:32
[INFO] [stdout]     |
[INFO] [stdout] 688 |         write!(fmt, "{}", self.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/semaphore.rs:734:32
[INFO] [stdout]     |
[INFO] [stdout] 734 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/atomic_task.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[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/watch.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             write!(fmt, "{}", self.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/watch.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> src/watch.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         pub(crate) inner: T,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/watch.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     #[derive(Debug)]
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "97119364cf40b954f841e3b75ff87ea407972d2fcbb2034b8a3d5a15cf05fc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97119364cf40b954f841e3b75ff87ea407972d2fcbb2034b8a3d5a15cf05fc96", kill_on_drop: false }`
[INFO] [stdout] 97119364cf40b954f841e3b75ff87ea407972d2fcbb2034b8a3d5a15cf05fc96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01e5c4e21fdfe0215db8164f3fb19ac1b86206eba540df98394c97c3800a23ae
[INFO] running `Command { std: "docker" "start" "-a" "01e5c4e21fdfe0215db8164f3fb19ac1b86206eba540df98394c97c3800a23ae", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/loom.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |     ::std::sync::atomic::spin_loop_hint();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/oneshot.rs:133:66
[INFO] [stderr]     |
[INFO] [stderr] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/oneshot.rs:134:66
[INFO] [stderr]     |
[INFO] [stderr] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/mpsc/block.rs:366:29
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let mut vals = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/mpsc/block.rs:269:14
[INFO] [stderr]     |
[INFO] [stderr] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/mpsc/block.rs:311:43
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[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/mpsc/bounded.rs:223:32
[INFO] [stderr]     |
[INFO] [stderr] 223 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:263:32
[INFO] [stderr]     |
[INFO] [stderr] 263 |         write!(fmt, "{}", self.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/mpsc/bounded.rs:293:32
[INFO] [stderr]     |
[INFO] [stderr] 293 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/mpsc/list.rs:148:26
[INFO] [stderr]     |
[INFO] [stderr] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[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/mpsc/unbounded.rs:145:32
[INFO] [stderr]     |
[INFO] [stderr] 145 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:167:32
[INFO] [stderr]     |
[INFO] [stderr] 167 |         write!(fmt, "{}", self.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/mpsc/unbounded.rs:189:32
[INFO] [stderr]     |
[INFO] [stderr] 189 |         write!(fmt, "{}", self.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/oneshot.rs:50:36
[INFO] [stderr]    |
[INFO] [stderr] 50 |             write!(fmt, "{}", self.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/oneshot.rs:65:36
[INFO] [stderr]    |
[INFO] [stderr] 65 |             write!(fmt, "{}", self.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/semaphore.rs:688:32
[INFO] [stderr]     |
[INFO] [stderr] 688 |         write!(fmt, "{}", self.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/semaphore.rs:734:32
[INFO] [stderr]     |
[INFO] [stderr] 734 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/task/atomic_task.rs:179:26
[INFO] [stderr]     |
[INFO] [stderr] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[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/watch.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |             write!(fmt, "{}", self.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/watch.rs:141:36
[INFO] [stderr]     |
[INFO] [stderr] 141 |             write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `inner`
[INFO] [stderr]    --> src/watch.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         pub(crate) inner: T,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/watch.rs:116:14
[INFO] [stderr]     |
[INFO] [stderr] 116 |     #[derive(Debug)]
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-sync` (lib) generated 21 warnings
[INFO] [stderr] warning: `tokio-sync` (lib test) generated 21 warnings (21 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_sync-dc2a0e1b73bac419)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lock::bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/atomic_task.rs (/opt/rustwide/target/debug/deps/atomic_task-0355fdb88d15158e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test register_task ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/errors.rs (/opt/rustwide/target/debug/deps/errors-6fc62d28e231bea9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mpsc_error_bound ... ok
[INFO] [stdout] test oneshot_error_bound ... ok
[INFO] [stdout] test watch_error_bound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzz_atomic_task.rs (/opt/rustwide/target/debug/deps/fuzz_atomic_task-ed50590c4ce1b966)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_notification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.99s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzz_list.rs (/opt/rustwide/target/debug/deps/fuzz_list-3b03378cb1ca8254)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smoke has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "01e5c4e21fdfe0215db8164f3fb19ac1b86206eba540df98394c97c3800a23ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e5c4e21fdfe0215db8164f3fb19ac1b86206eba540df98394c97c3800a23ae", kill_on_drop: false }`
[INFO] [stdout] 01e5c4e21fdfe0215db8164f3fb19ac1b86206eba540df98394c97c3800a23ae