[INFO] crate syncbox 0.2.4 is already in cache
[INFO] testing syncbox-0.2.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate syncbox 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate syncbox 0.2.4 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate syncbox 0.2.4
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate syncbox 0.2.4
[INFO] tweaked toml for crates.io crate syncbox 0.2.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] baa8773586957166cff708c35c1fbec69039356e15231c9593551f3fd36cd228
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "baa8773586957166cff708c35c1fbec69039356e15231c9593551f3fd36cd228"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syncbox v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread_pool.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Task for Box<TaskBox>{
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]   --> src/delay_queue.rs:99:40
[INFO] [stderr]    |
[INFO] [stderr] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/delay_queue.rs:184:40
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:188:38
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:251:39
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Queue`
[INFO] [stderr]  --> src/thread_pool.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:315:21
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:323:36
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stderr]     |                                    ----^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "baa8773586957166cff708c35c1fbec69039356e15231c9593551f3fd36cd228"`
[INFO] running `"docker" "rm" "-f" "baa8773586957166cff708c35c1fbec69039356e15231c9593551f3fd36cd228"`
[INFO] [stdout] baa8773586957166cff708c35c1fbec69039356e15231c9593551f3fd36cd228
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3e8794f623afb701c658c1418d04ae5b92c8989e1c122d2e72359cddda22e5f
[INFO] running `"docker" "start" "-a" "b3e8794f623afb701c658c1418d04ae5b92c8989e1c122d2e72359cddda22e5f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread_pool.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Task for Box<TaskBox>{
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]   --> src/delay_queue.rs:99:40
[INFO] [stderr]    |
[INFO] [stderr] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/delay_queue.rs:184:40
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:188:38
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:251:39
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Queue`
[INFO] [stderr]  --> src/thread_pool.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:315:21
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:323:36
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stderr]     |                                    ----^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling syncbox v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |         for _ in (0..nthreads) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:183:26
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 for i in (0..nmsgs) {
[INFO] [stderr]     |                          ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:191:18
[INFO] [stderr]     |
[INFO] [stderr] 191 |         for _ in (0..nthreads) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:214:18
[INFO] [stderr]     |
[INFO] [stderr] 214 |         for _ in (0..nthreads) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread_pool.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Task for Box<TaskBox>{
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]   --> src/delay_queue.rs:99:40
[INFO] [stderr]    |
[INFO] [stderr] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/delay_queue.rs:184:40
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:188:38
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:251:39
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Queue`
[INFO] [stderr]  --> src/thread_pool.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:315:21
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:323:36
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stderr]     |                                    ----^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "b3e8794f623afb701c658c1418d04ae5b92c8989e1c122d2e72359cddda22e5f"`
[INFO] running `"docker" "rm" "-f" "b3e8794f623afb701c658c1418d04ae5b92c8989e1c122d2e72359cddda22e5f"`
[INFO] [stdout] b3e8794f623afb701c658c1418d04ae5b92c8989e1c122d2e72359cddda22e5f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f86ec114fba40a8da20cf17638a17c79b173f050b9f42105dc1e3cf288b5b55
[INFO] running `"docker" "start" "-a" "3f86ec114fba40a8da20cf17638a17c79b173f050b9f42105dc1e3cf288b5b55"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread_pool.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Task for Box<TaskBox>{
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]   --> src/delay_queue.rs:99:40
[INFO] [stderr]    |
[INFO] [stderr] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/delay_queue.rs:184:40
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:188:38
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:251:39
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Queue`
[INFO] [stderr]  --> src/thread_pool.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:315:21
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:323:36
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stderr]     |                                    ----^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |         for _ in (0..nthreads) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:183:26
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 for i in (0..nmsgs) {
[INFO] [stderr]     |                          ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:191:18
[INFO] [stderr]     |
[INFO] [stderr] 191 |         for _ in (0..nthreads) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/array_queue.rs:214:18
[INFO] [stderr]     |
[INFO] [stderr] 214 |         for _ in (0..nthreads) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread_pool.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stderr]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/run.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Task for Box<TaskBox>{
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]   --> src/delay_queue.rs:99:40
[INFO] [stderr]    |
[INFO] [stderr] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/delay_queue.rs:184:40
[INFO] [stderr]     |
[INFO] [stderr] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:188:38
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::Condvar::wait_timeout_ms': replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stderr]    --> src/linked_queue.rs:251:39
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Queue`
[INFO] [stderr]  --> src/thread_pool.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:315:21
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:4:9
[INFO] [stderr]     |
[INFO] [stderr] 4   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_queue.rs:323:36
[INFO] [stderr]     |
[INFO] [stderr] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stderr]     |                                    ----^^^^
[INFO] [stderr]     |                                    |
[INFO] [stderr]     |                                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/syncbox-4d91f13640bcc1df
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test array_queue::tests::test ... ok
[INFO] [stderr]    Doc-tests syncbox
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3f86ec114fba40a8da20cf17638a17c79b173f050b9f42105dc1e3cf288b5b55"`
[INFO] running `"docker" "rm" "-f" "3f86ec114fba40a8da20cf17638a17c79b173f050b9f42105dc1e3cf288b5b55"`
[INFO] [stdout] 3f86ec114fba40a8da20cf17638a17c79b173f050b9f42105dc1e3cf288b5b55