[INFO] fetching crate multiqueue2 0.1.6... [INFO] checking multiqueue2-0.1.6 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate multiqueue2 0.1.6 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate multiqueue2 0.1.6 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5833e442a95800321e2bfcbaed9de750c47bc094593173ac8840daba483be1f2 [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" "5833e442a95800321e2bfcbaed9de750c47bc094593173ac8840daba483be1f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5833e442a95800321e2bfcbaed9de750c47bc094593173ac8840daba483be1f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5833e442a95800321e2bfcbaed9de750c47bc094593173ac8840daba483be1f2", kill_on_drop: false }` [INFO] [stdout] 5833e442a95800321e2bfcbaed9de750c47bc094593173ac8840daba483be1f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffe7a1082258cf99812e1817c377e6d5f778f1ebf2d9ba6da1249e8e9cfd1696 [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" "ffe7a1082258cf99812e1817c377e6d5f778f1ebf2d9ba6da1249e8e9cfd1696", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Compiling atomic_utilities v0.5.0 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [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, [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) -> (InnerSend, InnerRecv) { [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: 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, [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) -> (InnerSend, InnerRecv) { [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: 7 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: 1 warning 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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.97s [INFO] running `Command { std: "docker" "inspect" "ffe7a1082258cf99812e1817c377e6d5f778f1ebf2d9ba6da1249e8e9cfd1696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe7a1082258cf99812e1817c377e6d5f778f1ebf2d9ba6da1249e8e9cfd1696", kill_on_drop: false }` [INFO] [stdout] ffe7a1082258cf99812e1817c377e6d5f778f1ebf2d9ba6da1249e8e9cfd1696