[INFO] fetching crate multiqueue 0.3.2...
[INFO] checking multiqueue-0.3.2 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate multiqueue 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate multiqueue 0.3.2 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiqueue 0.3.2
[INFO] finished tweaking crates.io crate multiqueue 0.3.2
[INFO] tweaked toml for crates.io crate multiqueue 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07a8d53aba9894ead96704cc9199b1bedad633cfeaaa6310df77c992efc014f5
[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" "07a8d53aba9894ead96704cc9199b1bedad633cfeaaa6310df77c992efc014f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07a8d53aba9894ead96704cc9199b1bedad633cfeaaa6310df77c992efc014f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a8d53aba9894ead96704cc9199b1bedad633cfeaaa6310df77c992efc014f5", kill_on_drop: false }`
[INFO] [stdout] 07a8d53aba9894ead96704cc9199b1bedad633cfeaaa6310df77c992efc014f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb899cc9d24470f95e5b509ea7ee7ca350dd017cddede474527734bc23fb738
[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" "6cb899cc9d24470f95e5b509ea7ee7ca350dd017cddede474527734bc23fb738", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking multiqueue v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/countedindex.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub const MASK_IND: Index = (1 << 63);
[INFO] [stdout]    |                                 ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub waiter: Arc<Wait>,
[INFO] [stdout]     |                     ^^^^ help: use `dyn`: `dyn Wait`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:222:49
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn new_internal(_capacity: Index, wait: Arc<Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[INFO] [stdout]     |                                                 ^^^^ help: use `dyn`: `dyn Wait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/countedindex.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub const MASK_IND: Index = (1 << 63);
[INFO] [stdout]    |                                 ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub waiter: Arc<Wait>,
[INFO] [stdout]     |                     ^^^^ help: use `dyn`: `dyn Wait`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/multiqueue.rs:222:49
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn new_internal(_capacity: Index, wait: Arc<Wait>) -> (InnerSend<RW, T>, InnerRecv<RW, T>) {
[INFO] [stdout]     |                                                 ^^^^ help: use `dyn`: `dyn Wait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::park': renamed to `current`
[INFO] [stdout]   --> src/multiqueue.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | use self::futures::task::{park, Task};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:239:26
[INFO] [stdout]     |
[INFO] [stdout] 239 |             d1: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:244:26
[INFO] [stdout]     |
[INFO] [stdout] 244 |             d2: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:253:26
[INFO] [stdout]     |
[INFO] [stdout] 253 |             d3: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:257:26
[INFO] [stdout]     |
[INFO] [stdout] 257 |             d4: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::park': renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:875:26
[INFO] [stdout]     |
[INFO] [stdout] 875 |         parked.push_back(park());
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::park': renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:901:34
[INFO] [stdout]     |
[INFO] [stdout] 901 |                 parked.push_back(park());
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::park': renamed to `current`
[INFO] [stdout]   --> src/multiqueue.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 | use self::futures::task::{park, Task};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:239:26
[INFO] [stdout]     |
[INFO] [stdout] 239 |             d1: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:244:26
[INFO] [stdout]     |
[INFO] [stdout] 244 |             d2: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:253:26
[INFO] [stdout]     |
[INFO] [stdout] 253 |             d3: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:257:26
[INFO] [stdout]     |
[INFO] [stdout] 257 |             d4: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::park': renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:875:26
[INFO] [stdout]     |
[INFO] [stdout] 875 |         parked.push_back(park());
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::park': renamed to `current`
[INFO] [stdout]    --> src/multiqueue.rs:901:34
[INFO] [stdout]     |
[INFO] [stdout] 901 |                 parked.push_back(park());
[INFO] [stdout]     |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:228:55
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let elem: &QueueEntry<T> = &*queuedat.offset(i);
[INFO] [stdout]     |                                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:231:46
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let refd: &RefCnt = &*refdat.offset(i);
[INFO] [stdout]     |                                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::Task::unpark': renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:913:21
[INFO] [stdout]     |
[INFO] [stdout] 913 |                 val.unpark();
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::Task::unpark': renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:931:25
[INFO] [stdout]     |
[INFO] [stdout] 931 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::Task::unpark': renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:938:25
[INFO] [stdout]     |
[INFO] [stdout] 938 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:228:55
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let elem: &QueueEntry<T> = &*queuedat.offset(i);
[INFO] [stdout]     |                                                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]    --> src/multiqueue.rs:231:46
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let refd: &RefCnt = &*refdat.offset(i);
[INFO] [stdout]     |                                              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::Task::unpark': renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:913:21
[INFO] [stdout]     |
[INFO] [stdout] 913 |                 val.unpark();
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::Task::unpark': renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:931:25
[INFO] [stdout]     |
[INFO] [stdout] 931 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'mpmc::futures::task::Task::unpark': renamed to `notify`
[INFO] [stdout]    --> src/multiqueue.rs:938:25
[INFO] [stdout]     |
[INFO] [stdout] 938 |                     val.unpark();
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tx` is never read
[INFO] [stdout]   --> tests/multicast_fut.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         tx = tx.send(2).wait().unwrap();
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tx` is never read
[INFO] [stdout]   --> tests/mpmc_fut.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         tx = tx.send(2).wait().unwrap();
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::clone::Clone::clone` that must be used
[INFO] [stdout]    --> src/mpmc.rs:940:9
[INFO] [stdout]     |
[INFO] [stdout] 940 |         reader.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: cloning is often expensive and is not expected to have side effects
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "6cb899cc9d24470f95e5b509ea7ee7ca350dd017cddede474527734bc23fb738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb899cc9d24470f95e5b509ea7ee7ca350dd017cddede474527734bc23fb738", kill_on_drop: false }`
[INFO] [stdout] 6cb899cc9d24470f95e5b509ea7ee7ca350dd017cddede474527734bc23fb738
