[INFO] fetching crate multiqueue2 0.1.6...
[INFO] checking multiqueue2-0.1.6 against beta for pr-78714
[INFO] extracting crate multiqueue2 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate multiqueue2 0.1.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiqueue2 0.1.6
[INFO] finished tweaking crates.io crate multiqueue2 0.1.6
[INFO] tweaked toml for crates.io crate multiqueue2 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic_utilities v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9147601ecf59c3f3994842cea598d22df3d72639ba01918c509f7334ae8a7971
[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" "9147601ecf59c3f3994842cea598d22df3d72639ba01918c509f7334ae8a7971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9147601ecf59c3f3994842cea598d22df3d72639ba01918c509f7334ae8a7971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9147601ecf59c3f3994842cea598d22df3d72639ba01918c509f7334ae8a7971", kill_on_drop: false }`
[INFO] [stdout] 9147601ecf59c3f3994842cea598d22df3d72639ba01918c509f7334ae8a7971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74878d640fa21364119390eacac3747104b10bf965c5f9fc3ef7345c51d02a0e
[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" "74878d640fa21364119390eacac3747104b10bf965c5f9fc3ef7345c51d02a0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atomic_utilities v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking multiqueue2 v0.1.6 (/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:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |     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:224:49
[INFO] [stdout]     |
[INFO] [stdout] 224 |     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:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |     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:224:49
[INFO] [stdout]     |
[INFO] [stdout] 224 |     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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:241:26
[INFO] [stdout]     |
[INFO] [stdout] 241 |             d1: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:246:26
[INFO] [stdout]     |
[INFO] [stdout] 246 |             d2: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:255:26
[INFO] [stdout]     |
[INFO] [stdout] 255 |             d3: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:259:26
[INFO] [stdout]     |
[INFO] [stdout] 259 |             d4: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:241:26
[INFO] [stdout]     |
[INFO] [stdout] 241 |             d1: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:246:26
[INFO] [stdout]     |
[INFO] [stdout] 246 |             d2: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:255:26
[INFO] [stdout]     |
[INFO] [stdout] 255 |             d3: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/multiqueue.rs:259:26
[INFO] [stdout]     |
[INFO] [stdout] 259 |             d4: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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: 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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "74878d640fa21364119390eacac3747104b10bf965c5f9fc3ef7345c51d02a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74878d640fa21364119390eacac3747104b10bf965c5f9fc3ef7345c51d02a0e", kill_on_drop: false }`
[INFO] [stdout] 74878d640fa21364119390eacac3747104b10bf965c5f9fc3ef7345c51d02a0e