[INFO] fetching crate syncbox 0.2.4...
[INFO] testing syncbox-0.2.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate syncbox 0.2.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate syncbox 0.2.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate 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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecc6c04713be6c766a875edd687a33e48a0ed9a89b35001aff53721ac0e021e7
[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" "ecc6c04713be6c766a875edd687a33e48a0ed9a89b35001aff53721ac0e021e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc6c04713be6c766a875edd687a33e48a0ed9a89b35001aff53721ac0e021e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc6c04713be6c766a875edd687a33e48a0ed9a89b35001aff53721ac0e021e7", kill_on_drop: false }`
[INFO] [stdout] ecc6c04713be6c766a875edd687a33e48a0ed9a89b35001aff53721ac0e021e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c55401b92cc8449cc920b3a228a96f4d348c77ff783fa03ad3b58462ecdbe12f
[INFO] running `Command { std: "docker" "start" "-a" "c55401b92cc8449cc920b3a228a96f4d348c77ff783fa03ad3b58462ecdbe12f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncbox v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stdout]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/run.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Task for Box<TaskBox>{
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]   --> src/delay_queue.rs:99:40
[INFO] [stdout]    |
[INFO] [stdout] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/delay_queue.rs:184:40
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/linked_queue.rs:188:38
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/linked_queue.rs:251:39
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Queue`
[INFO] [stdout]  --> src/thread_pool.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_queue.rs:315:21
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_queue.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stdout]     |                                    ----^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "c55401b92cc8449cc920b3a228a96f4d348c77ff783fa03ad3b58462ecdbe12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55401b92cc8449cc920b3a228a96f4d348c77ff783fa03ad3b58462ecdbe12f", kill_on_drop: false }`
[INFO] [stdout] c55401b92cc8449cc920b3a228a96f4d348c77ff783fa03ad3b58462ecdbe12f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82c6b85833c8dae81b74d7a6df4ecd1208e41b02b904d2ddad035fe60ae0d0e8
[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" "82c6b85833c8dae81b74d7a6df4ecd1208e41b02b904d2ddad035fe60ae0d0e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncbox v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stdout]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/run.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Task for Box<TaskBox>{
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]   --> src/delay_queue.rs:99:40
[INFO] [stdout]    |
[INFO] [stdout] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/delay_queue.rs:184:40
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/linked_queue.rs:188:38
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/linked_queue.rs:251:39
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Queue`
[INFO] [stdout]  --> src/thread_pool.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_queue.rs:315:21
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_queue.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stdout]     |                                    ----^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/array_queue.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |         for _ in (0..nthreads) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/array_queue.rs:183:26
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 for i in (0..nmsgs) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/array_queue.rs:191:18
[INFO] [stdout]     |
[INFO] [stdout] 191 |         for _ in (0..nthreads) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/array_queue.rs:214:18
[INFO] [stdout]     |
[INFO] [stdout] 214 |         for _ in (0..nthreads) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     Delayed(Box<BoxedTask>, Duration),
[INFO] [stdout]     |                 ^^^^^^^^^ help: use `dyn`: `dyn BoxedTask`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/run.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Task for Box<TaskBox>{
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]   --> src/delay_queue.rs:99:40
[INFO] [stdout]    |
[INFO] [stdout] 99 |             queue = self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0;
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/delay_queue.rs:184:40
[INFO] [stdout]     |
[INFO] [stdout] 184 |                     self.inner.condvar.wait_timeout_ms(queue, timeout).unwrap().0
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/linked_queue.rs:188:38
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 last = self.not_full.wait_timeout_ms(last, dur)
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::Condvar::wait_timeout_ms`: replaced by `std::sync::Condvar::wait_timeout`
[INFO] [stdout]    --> src/linked_queue.rs:251:39
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 head = self.not_empty.wait_timeout_ms(head, dur)
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Queue`
[INFO] [stdout]  --> src/thread_pool.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {LinkedQueue, Queue, SyncQueue, Run, Task, Delayed, DelayQueue};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_queue.rs:315:21
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn dequeue<T: Send>(mut head: &mut MutexGuard<NodePtr<T>>) -> T {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_queue.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 | fn enqueue<T: Send>(node: Node<T>, mut last: &mut MutexGuard<NodePtr<T>>) {
[INFO] [stdout]     |                                    ----^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "82c6b85833c8dae81b74d7a6df4ecd1208e41b02b904d2ddad035fe60ae0d0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c6b85833c8dae81b74d7a6df4ecd1208e41b02b904d2ddad035fe60ae0d0e8", kill_on_drop: false }`
[INFO] [stdout] 82c6b85833c8dae81b74d7a6df4ecd1208e41b02b904d2ddad035fe60ae0d0e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6720f4dd8286b9346cf4c6ef7734d94e2e8f87ca6376ba3352c6f980963faf4e
[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" "6720f4dd8286b9346cf4c6ef7734d94e2e8f87ca6376ba3352c6f980963faf4e", kill_on_drop: false }`
[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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/syncbox-1b0fd5eff3a5abb5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test array_queue::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syncbox
[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 `Command { std: "docker" "inspect" "6720f4dd8286b9346cf4c6ef7734d94e2e8f87ca6376ba3352c6f980963faf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6720f4dd8286b9346cf4c6ef7734d94e2e8f87ca6376ba3352c6f980963faf4e", kill_on_drop: false }`
[INFO] [stdout] 6720f4dd8286b9346cf4c6ef7734d94e2e8f87ca6376ba3352c6f980963faf4e
