[INFO] fetching crate rwlock2 0.2.5...
[INFO] testing rwlock2-0.2.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rwlock2 0.2.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rwlock2 0.2.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rwlock2 0.2.5
[INFO] finished tweaking crates.io crate rwlock2 0.2.5
[INFO] tweaked toml for crates.io crate rwlock2 0.2.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9760b5c23c8484124ef4978f1287555a55f53f5582c42b9acb59108518af310f
[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" "9760b5c23c8484124ef4978f1287555a55f53f5582c42b9acb59108518af310f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9760b5c23c8484124ef4978f1287555a55f53f5582c42b9acb59108518af310f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9760b5c23c8484124ef4978f1287555a55f53f5582c42b9acb59108518af310f", kill_on_drop: false }`
[INFO] [stdout] 9760b5c23c8484124ef4978f1287555a55f53f5582c42b9acb59108518af310f
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3e1604cf2c03ac0fb222767a67d8efaffd0112bcb332c06129ab0f602d36ff
[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" "7c3e1604cf2c03ac0fb222767a67d8efaffd0112bcb332c06129ab0f602d36ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling rwlock2 v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rwlock.rs:160:16
[INFO] [stdout]     |
[INFO] [stdout] 160 |             Ok(try!(RwLockReadGuard::new(&*self.inner, &self.data)))
[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/rwlock.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Ok(try!(RwLockWriteGuard::new(&*self.inner, &self.data)))
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mutex.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 Ok(try!(MutexGuard::new(&*self.inner, &self.data)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poison.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/condvar.rs:181:26
[INFO] [stdout]     |
[INFO] [stdout] 181 |         match self.mutex.compare_and_swap(0, addr, Ordering::SeqCst) {
[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/poison.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |         self.description().fmt(f)
[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/poison.rs:153:48
[INFO] [stdout]     |
[INFO] [stdout] 153 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "7c3e1604cf2c03ac0fb222767a67d8efaffd0112bcb332c06129ab0f602d36ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3e1604cf2c03ac0fb222767a67d8efaffd0112bcb332c06129ab0f602d36ff", kill_on_drop: false }`
[INFO] [stdout] 7c3e1604cf2c03ac0fb222767a67d8efaffd0112bcb332c06129ab0f602d36ff
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e3dc326d03136e26dc3047f3a3c3290e64d67f983d48838aa38a4e66de9836d
[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" "6e3dc326d03136e26dc3047f3a3c3290e64d67f983d48838aa38a4e66de9836d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rwlock2 v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rwlock.rs:160:16
[INFO] [stdout]     |
[INFO] [stdout] 160 |             Ok(try!(RwLockReadGuard::new(&*self.inner, &self.data)))
[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/rwlock.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Ok(try!(RwLockWriteGuard::new(&*self.inner, &self.data)))
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mutex.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 Ok(try!(MutexGuard::new(&*self.inner, &self.data)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poison.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/condvar.rs:181:26
[INFO] [stdout]     |
[INFO] [stdout] 181 |         match self.mutex.compare_and_swap(0, addr, Ordering::SeqCst) {
[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/poison.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |         self.description().fmt(f)
[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/poison.rs:153:48
[INFO] [stdout]     |
[INFO] [stdout] 153 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rwlock.rs:160:16
[INFO] [stdout]     |
[INFO] [stdout] 160 |             Ok(try!(RwLockReadGuard::new(&*self.inner, &self.data)))
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:24
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/rwlock.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Ok(try!(RwLockWriteGuard::new(&*self.inner, &self.data)))
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mutex.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 Ok(try!(MutexGuard::new(&*self.inner, &self.data)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poison.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:24
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[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/condvar.rs:181:26
[INFO] [stdout]     |
[INFO] [stdout] 181 |         match self.mutex.compare_and_swap(0, addr, Ordering::SeqCst) {
[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/poison.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |         self.description().fmt(f)
[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/poison.rs:153:48
[INFO] [stdout]     |
[INFO] [stdout] 153 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "6e3dc326d03136e26dc3047f3a3c3290e64d67f983d48838aa38a4e66de9836d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3dc326d03136e26dc3047f3a3c3290e64d67f983d48838aa38a4e66de9836d", kill_on_drop: false }`
[INFO] [stdout] 6e3dc326d03136e26dc3047f3a3c3290e64d67f983d48838aa38a4e66de9836d
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d84448ecd6892cd448a24d45b05d6c87ed8cec6408bd2fa64cb5949df6df651
[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" "5d84448ecd6892cd448a24d45b05d6c87ed8cec6408bd2fa64cb5949df6df651", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/rwlock.rs:160:16
[INFO] [stderr]     |
[INFO] [stderr] 160 |             Ok(try!(RwLockReadGuard::new(&*self.inner, &self.data)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/rwlock.rs:206:16
[INFO] [stderr]     |
[INFO] [stderr] 206 |             Ok(try!(RwLockWriteGuard::new(&*self.inner, &self.data)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/mutex.rs:215:20
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 Ok(try!(MutexGuard::new(&*self.inner, &self.data)))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poison.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/condvar.rs:181:26
[INFO] [stderr]     |
[INFO] [stderr] 181 |         match self.mutex.compare_and_swap(0, addr, Ordering::SeqCst) {
[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/poison.rs:146:14
[INFO] [stderr]     |
[INFO] [stderr] 146 |         self.description().fmt(f)
[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/poison.rs:153:48
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/rwlock.rs:160:16
[INFO] [stderr]     |
[INFO] [stderr] 160 |             Ok(try!(RwLockReadGuard::new(&*self.inner, &self.data)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:1:24
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/rwlock.rs:206:16
[INFO] [stderr]     |
[INFO] [stderr] 206 |             Ok(try!(RwLockWriteGuard::new(&*self.inner, &self.data)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/mutex.rs:215:20
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 Ok(try!(MutexGuard::new(&*self.inner, &self.data)))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poison.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:1:24
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[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/condvar.rs:181:26
[INFO] [stderr]     |
[INFO] [stderr] 181 |         match self.mutex.compare_and_swap(0, addr, Ordering::SeqCst) {
[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/poison.rs:146:14
[INFO] [stderr]     |
[INFO] [stderr] 146 |         self.description().fmt(f)
[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/poison.rs:153:48
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rwlock2-c803c09cad03d70a
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test condvar::tests::smoke ... ok
[INFO] [stdout] test condvar::tests::notify_one ... ok
[INFO] [stdout] test mutex::tests::smoke ... ok
[INFO] [stdout] test mutex::tests::test_into_inner_drop ... ok
[INFO] [stdout] test mutex::tests::test_into_inner ... ok
[INFO] [stdout] test mutex::tests::test_get_mut ... ok
[INFO] [stdout] test mutex::tests::lots_and_lots ... ok
[INFO] [stdout] test mutex::tests::test_mutex_unsized ... ok
[INFO] [stdout] test condvar::tests::notify_all ... ok
[INFO] [stdout] test rwlock::tests::smoke ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_nested ... ok
[INFO] [stdout] test rwlock::tests::test_get_mut ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_condvar ... ok
[INFO] [stdout] test mutex::tests::try_lock ... ok
[INFO] [stdout] test rwlock::tests::test_into_inner_drop ... ok
[INFO] [stdout] test rwlock::tests::test_into_inner ... ok
[INFO] [stdout] test rwlock::tests::test_rw_arc ... ok
[INFO] [stdout] test rwlock::tests::test_rwlock_try_write ... ok
[INFO] [stdout] test rwlock::tests::test_rwlock_unsized ... ok
[INFO] [stdout] test rwlock::tests::frob ... ok
[INFO] [stdout] test condvar::tests::two_mutexes ... ok
[INFO] [stdout] test mutex::tests::test_arc_condvar_poison ... ok
[INFO] [stdout] test mutex::tests::test_get_mut_poison ... ok
[INFO] [stdout] test mutex::tests::test_into_inner_poison ... ok
[INFO] [stdout] test mutex::tests::test_mutex_guard_map_panic ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_poison ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_access_in_unwind ... ok
[INFO] [stdout] test rwlock::tests::test_into_inner_poison ... ok
[INFO] [stdout] test rwlock::tests::test_get_mut_poison ... ok
[INFO] [stdout] test rwlock::tests::test_rw_arc_access_in_unwind ... ok
[INFO] [stdout] test rwlock::tests::test_rw_arc_no_poison_rr ... ok
[INFO] [stdout] test rwlock::tests::test_rw_arc_no_poison_rw ... ok
[INFO] [stdout] test rwlock::tests::test_rw_arc_poison_ww ... ok
[INFO] [stdout] test rwlock::tests::test_rw_arc_poison_wr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rwlock2
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/condvar.rs - condvar::StaticCondvar (line 78) ... ignored
[INFO] [stdout] test src/mutex.rs - mutex::StaticMutex (line 137) ... ignored
[INFO] [stdout] test src/condvar.rs - condvar::Condvar (line 47) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuard::map (line 329) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock<T>::new (line 106) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockWriteGuard::map (line 380) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 86) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLockReadGuard::map (line 317) ... ok
[INFO] [stdout] test src/rwlock.rs - rwlock::RwLock (line 44) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d84448ecd6892cd448a24d45b05d6c87ed8cec6408bd2fa64cb5949df6df651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d84448ecd6892cd448a24d45b05d6c87ed8cec6408bd2fa64cb5949df6df651", kill_on_drop: false }`
[INFO] [stdout] 5d84448ecd6892cd448a24d45b05d6c87ed8cec6408bd2fa64cb5949df6df651