[INFO] fetching crate qadapt-spin 1.0.1...
[INFO] checking qadapt-spin-1.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate qadapt-spin 1.0.1 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate qadapt-spin 1.0.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qadapt-spin 1.0.1
[INFO] finished tweaking crates.io crate qadapt-spin 1.0.1
[INFO] tweaked toml for crates.io crate qadapt-spin 1.0.1 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a7c2b8f0071c06ab84f77b4ce69e87f597114a4fb51bb0545b6b368e259a74c
[INFO] running `Command { std: "docker" "start" "-a" "6a7c2b8f0071c06ab84f77b4ce69e87f597114a4fb51bb0545b6b368e259a74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a7c2b8f0071c06ab84f77b4ce69e87f597114a4fb51bb0545b6b368e259a74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7c2b8f0071c06ab84f77b4ce69e87f597114a4fb51bb0545b6b368e259a74c", kill_on_drop: false }`
[INFO] [stdout] 6a7c2b8f0071c06ab84f77b4ce69e87f597114a4fb51bb0545b6b368e259a74c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b08fd1ed21e8823dd83907bc5cadf6a00203697552ed74beb7d8a4b03428853
[INFO] running `Command { std: "docker" "start" "-a" "4b08fd1ed21e8823dd83907bc5cadf6a00203697552ed74beb7d8a4b03428853", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking qadapt-spin v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/mutex.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/mutex.rs:7:77
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/mutex.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |             lock: ATOMIC_BOOL_INIT,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/mutex.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 cpu_relax();
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/once.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicUsize, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/once.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     cpu_relax();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/once.rs:155:28
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 RUNNING => cpu_relax(), // We spin
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_lock.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/rw_lock.rs:5:78
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/rw_lock.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |             lock: ATOMIC_USIZE_INIT,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rw_lock.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 cpu_relax();
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rw_lock.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             cpu_relax();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rw_lock.rs:250:21
[INFO] [stdout]     |
[INFO] [stdout] 250 |                     cpu_relax();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |         while self.lock.compare_and_swap(false, true, Ordering::Acquire) != false {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |         if self.lock.compare_and_swap(false, true, Ordering::Acquire) == false {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/once.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 .compare_and_swap(INCOMPLETE, RUNNING, Ordering::SeqCst);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |             self.lock.compare_and_swap(old, new, Ordering::SeqCst) != old
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |         if self.lock.compare_and_swap(old, new, Ordering::SeqCst) == old {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:247:26
[INFO] [stdout]     |
[INFO] [stdout] 247 |             if self.lock.compare_and_swap(old, new, Ordering::SeqCst) == old {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:282:22
[INFO] [stdout]     |
[INFO] [stdout] 282 |         if self.lock.compare_and_swap(0, USIZE_MSB, Ordering::SeqCst) == 0 {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/mutex.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/mutex.rs:7:77
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/mutex.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |             lock: ATOMIC_BOOL_INIT,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/mutex.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 cpu_relax();
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/once.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicUsize, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/once.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                     cpu_relax();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/once.rs:155:28
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 RUNNING => cpu_relax(), // We spin
[INFO] [stdout]     |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/rw_lock.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/rw_lock.rs:5:78
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::sync::atomic::{spin_loop_hint as cpu_relax, AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/rw_lock.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |             lock: ATOMIC_USIZE_INIT,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rw_lock.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 cpu_relax();
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rw_lock.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |             cpu_relax();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/rw_lock.rs:250:21
[INFO] [stdout]     |
[INFO] [stdout] 250 |                     cpu_relax();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |         while self.lock.compare_and_swap(false, true, Ordering::Acquire) != false {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mutex.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |         if self.lock.compare_and_swap(false, true, Ordering::Acquire) == false {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/once.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 .compare_and_swap(INCOMPLETE, RUNNING, Ordering::SeqCst);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:152:23
[INFO] [stdout]     |
[INFO] [stdout] 152 |             self.lock.compare_and_swap(old, new, Ordering::SeqCst) != old
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |         if self.lock.compare_and_swap(old, new, Ordering::SeqCst) == old {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:247:26
[INFO] [stdout]     |
[INFO] [stdout] 247 |             if self.lock.compare_and_swap(old, new, Ordering::SeqCst) == old {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/rw_lock.rs:282:22
[INFO] [stdout]     |
[INFO] [stdout] 282 |         if self.lock.compare_and_swap(0, USIZE_MSB, Ordering::SeqCst) == 0 {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qadapt-spin` due to 2 previous errors
[INFO] [stdout] error[E0463]: can't find crate for `spin`
[INFO] [stdout]  --> examples/debug.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate spin;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4b08fd1ed21e8823dd83907bc5cadf6a00203697552ed74beb7d8a4b03428853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b08fd1ed21e8823dd83907bc5cadf6a00203697552ed74beb7d8a4b03428853", kill_on_drop: false }`
[INFO] [stdout] 4b08fd1ed21e8823dd83907bc5cadf6a00203697552ed74beb7d8a4b03428853
