[INFO] fetching crate mpi 0.8.0...
[INFO] testing mpi-0.8.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mpi 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mpi 0.8.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mpi 0.8.0
[INFO] tweaked toml for crates.io crate mpi 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpi 0.8.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mpi 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b53df6425319d889a4943751531c8b82516a69fe11245b6e83a98f11ff597d
[INFO] running `Command { std: "docker" "start" "-a" "e0b53df6425319d889a4943751531c8b82516a69fe11245b6e83a98f11ff597d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b53df6425319d889a4943751531c8b82516a69fe11245b6e83a98f11ff597d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b53df6425319d889a4943751531c8b82516a69fe11245b6e83a98f11ff597d", kill_on_drop: false }`
[INFO] [stdout] e0b53df6425319d889a4943751531c8b82516a69fe11245b6e83a98f11ff597d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e878030276abb0f38e87244675b2a817cdb03d130950a1f2f1fd51354e36ca5
[INFO] running `Command { std: "docker" "start" "-a" "3e878030276abb0f38e87244675b2a817cdb03d130950a1f2f1fd51354e36ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling build-probe-mpi v0.1.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling libffi-sys v2.3.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling mpi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling libffi v3.2.0
[INFO] [stderr]    Compiling mpi-sys v0.2.2
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1974:15
[INFO] [stdout]      |
[INFO] [stdout] 1974 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stdout]      |               ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1982:11
[INFO] [stdout]      |
[INFO] [stdout] 1982 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1874:19
[INFO] [stdout]      |
[INFO] [stdout] 1874 |         #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> src/topology/mod.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg(not(msmpi))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]    --> src/topology/mod.rs:530:15
[INFO] [stdout]     |
[INFO] [stdout] 530 |     #[cfg(not(msmpi))]
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]    --> src/topology/mod.rs:543:15
[INFO] [stdout]     |
[INFO] [stdout] 543 |     #[cfg(not(msmpi))]
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]   --> src/attribute.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1232:21
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     pub fn reborrow(&self) -> DynBuffer {
[INFO] [stdout]      |                     ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     pub fn reborrow(&self) -> DynBuffer<'_> {
[INFO] [stdout]      |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1237:25
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut {
[INFO] [stdout]      |                         ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut<'_> {
[INFO] [stdout]      |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1438:21
[INFO] [stdout]      |
[INFO] [stdout] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<B, C, D> {
[INFO] [stdout]      |                     ^^                           ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<'_, B, C, D> {
[INFO] [stdout]      |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1509:21
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<B, C, D> {
[INFO] [stdout]      |                     ^^^^^^                           ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<'_, B, C, D> {
[INFO] [stdout]      |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn process_at_rank(&self, r: Rank) -> Process {
[INFO] [stdout]     |                        ^^^^^              ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn process_at_rank(&self, r: Rank) -> Process<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:386:20
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn any_process(&self) -> AnyProcess {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn any_process(&self) -> AnyProcess<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn this_process(&self) -> Process {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn this_process(&self) -> Process<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.73s
[INFO] running `Command { std: "docker" "inspect" "3e878030276abb0f38e87244675b2a817cdb03d130950a1f2f1fd51354e36ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e878030276abb0f38e87244675b2a817cdb03d130950a1f2f1fd51354e36ca5", kill_on_drop: false }`
[INFO] [stdout] 3e878030276abb0f38e87244675b2a817cdb03d130950a1f2f1fd51354e36ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f8adba5f929d51c19e7de8a9da6cea6c7452ac359585a39a8414e0168a812c
[INFO] running `Command { std: "docker" "start" "-a" "73f8adba5f929d51c19e7de8a9da6cea6c7452ac359585a39a8414e0168a812c", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1974:15
[INFO] [stdout]      |
[INFO] [stdout] 1974 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stdout]      |               ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1982:11
[INFO] [stdout]      |
[INFO] [stdout] 1982 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1874:19
[INFO] [stdout]      |
[INFO] [stdout] 1874 |         #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> src/topology/mod.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg(not(msmpi))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]    --> src/topology/mod.rs:530:15
[INFO] [stdout]     |
[INFO] [stdout] 530 |     #[cfg(not(msmpi))]
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]    --> src/topology/mod.rs:543:15
[INFO] [stdout]     |
[INFO] [stdout] 543 |     #[cfg(not(msmpi))]
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mpi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]   --> src/attribute.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1232:21
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     pub fn reborrow(&self) -> DynBuffer {
[INFO] [stdout]      |                     ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     pub fn reborrow(&self) -> DynBuffer<'_> {
[INFO] [stdout]      |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1237:25
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut {
[INFO] [stdout]      |                         ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut<'_> {
[INFO] [stdout]      |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1438:21
[INFO] [stdout]      |
[INFO] [stdout] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<B, C, D> {
[INFO] [stdout]      |                     ^^                           ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<'_, B, C, D> {
[INFO] [stdout]      |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1509:21
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<B, C, D> {
[INFO] [stdout]      |                     ^^^^^^                           ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<'_, B, C, D> {
[INFO] [stdout]      |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn process_at_rank(&self, r: Rank) -> Process {
[INFO] [stdout]     |                        ^^^^^              ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn process_at_rank(&self, r: Rank) -> Process<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:386:20
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn any_process(&self) -> AnyProcess {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn any_process(&self) -> AnyProcess<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn this_process(&self) -> Process {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn this_process(&self) -> Process<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/immediate_gather_varcount.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout]    |                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/immediate_gather_varcount.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout] 42 +             .zip((0..size).flat_map(|r| 0..r))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1974:15
[INFO] [stdout]      |
[INFO] [stdout] 1974 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stdout]      |               ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1982:11
[INFO] [stdout]      |
[INFO] [stdout] 1982 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]     --> src/collective.rs:1874:19
[INFO] [stdout]      |
[INFO] [stdout] 1874 |         #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]      |                   ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> src/topology/mod.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg(not(msmpi))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]    --> src/topology/mod.rs:530:15
[INFO] [stdout]     |
[INFO] [stdout] 530 |     #[cfg(not(msmpi))]
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]    --> src/topology/mod.rs:543:15
[INFO] [stdout]     |
[INFO] [stdout] 543 |     #[cfg(not(msmpi))]
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/immediate_scatter_varcount.rs:20:50
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stdout]    |                                                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/immediate_scatter_varcount.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stdout] 20 +         let msg: Vec<_> = (0..size).flat_map(|i| 0..i).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/all_gather_varcount.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout]    |                                     ^    ^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/all_gather_varcount.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout] 34 +         .zip((0..size).flat_map(|r| 0..r))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> examples/env_inq.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[cfg(not(msmpi))]
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/env_inq.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]   --> src/attribute.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1232:21
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     pub fn reborrow(&self) -> DynBuffer {
[INFO] [stdout]      |                     ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     pub fn reborrow(&self) -> DynBuffer<'_> {
[INFO] [stdout]      |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1237:25
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut {
[INFO] [stdout]      |                         ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut<'_> {
[INFO] [stdout]      |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1438:21
[INFO] [stdout]      |
[INFO] [stdout] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<B, C, D> {
[INFO] [stdout]      |                     ^^                           ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<'_, B, C, D> {
[INFO] [stdout]      |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/datatype.rs:1509:21
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<B, C, D> {
[INFO] [stdout]      |                     ^^^^^^                           ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                     |
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<'_, B, C, D> {
[INFO] [stdout]      |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:379:24
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn process_at_rank(&self, r: Rank) -> Process {
[INFO] [stdout]     |                        ^^^^^              ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 379 |     fn process_at_rank(&self, r: Rank) -> Process<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:386:20
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn any_process(&self) -> AnyProcess {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 386 |     fn any_process(&self) -> AnyProcess<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/topology/mod.rs:391:21
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn this_process(&self) -> Process {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn this_process(&self) -> Process<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> examples/immediate_reduce.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/immediate_reduce.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> examples/immediate_reduce.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/gather_varcount.rs:38:41
[INFO] [stdout]    |
[INFO] [stdout] 38 |             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout]    |                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/gather_varcount.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout] 38 +             .zip((0..size).flat_map(|r| 0..r))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]  --> examples/immediate_multiple_barrier.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(msmpi)]
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]  --> examples/immediate_multiple_barrier.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(not(msmpi))]
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/scatter_varcount.rs:20:50
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stdout]    |                                                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/scatter_varcount.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stdout] 20 +         let msg: Vec<_> = (0..size).flat_map(|i| 0..i).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> examples/split.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[cfg(not(msmpi))]
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/split.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]  --> examples/immediate_barrier.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(msmpi)]
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> examples/immediate_barrier.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]  --> examples/immediate_barrier.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(not(msmpi))]
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> examples/reduce.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/reduce.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stdout]   --> examples/reduce.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> examples/immediate_all_gather_varcount.rs:37:37
[INFO] [stdout]    |
[INFO] [stdout] 37 |         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout]    |                                     ^    ^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> examples/immediate_all_gather_varcount.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stdout] 37 +         .zip((0..size).flat_map(|r| 0..r))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `Command { std: "docker" "inspect" "73f8adba5f929d51c19e7de8a9da6cea6c7452ac359585a39a8414e0168a812c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f8adba5f929d51c19e7de8a9da6cea6c7452ac359585a39a8414e0168a812c", kill_on_drop: false }`
[INFO] [stdout] 73f8adba5f929d51c19e7de8a9da6cea6c7452ac359585a39a8414e0168a812c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 574058b6468e614d357dfe7490f6be9eee7ca35276cef94404724fab5fa6234e
[INFO] running `Command { std: "docker" "start" "-a" "574058b6468e614d357dfe7490f6be9eee7ca35276cef94404724fab5fa6234e", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]     --> src/collective.rs:1974:15
[INFO] [stderr]      |
[INFO] [stderr] 1974 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stderr]      |               ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]      = help: consider using a Cargo feature instead
[INFO] [stderr]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]               [lints.rust]
[INFO] [stderr]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]     --> src/collective.rs:1982:11
[INFO] [stderr]      |
[INFO] [stderr] 1982 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stderr]      |           ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider using a Cargo feature instead
[INFO] [stderr]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]               [lints.rust]
[INFO] [stderr]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]     --> src/collective.rs:1874:19
[INFO] [stderr]      |
[INFO] [stderr] 1874 |         #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stderr]      |                   ^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider using a Cargo feature instead
[INFO] [stderr]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]               [lints.rust]
[INFO] [stderr]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]   --> src/topology/mod.rs:29:11
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[cfg(not(msmpi))]
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]    --> src/topology/mod.rs:530:15
[INFO] [stderr]     |
[INFO] [stderr] 530 |     #[cfg(not(msmpi))]
[INFO] [stderr]     |               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]    --> src/topology/mod.rs:543:15
[INFO] [stderr]     |
[INFO] [stderr] 543 |     #[cfg(not(msmpi))]
[INFO] [stderr]     |               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stderr]   --> src/attribute.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: losing the pointer will leak memory
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 79 |             let _ = Box::into_raw(b_in); // deconstruct to avoid dropping
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/datatype.rs:1232:21
[INFO] [stderr]      |
[INFO] [stderr] 1232 |     pub fn reborrow(&self) -> DynBuffer {
[INFO] [stderr]      |                     ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 1232 |     pub fn reborrow(&self) -> DynBuffer<'_> {
[INFO] [stderr]      |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/datatype.rs:1237:25
[INFO] [stderr]      |
[INFO] [stderr] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut {
[INFO] [stderr]      |                         ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 1237 |     pub fn reborrow_mut(&mut self) -> DynBufferMut<'_> {
[INFO] [stderr]      |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/datatype.rs:1438:21
[INFO] [stderr]      |
[INFO] [stderr] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<B, C, D> {
[INFO] [stderr]      |                     ^^                           ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 1438 |     pub fn new(buf: &B, counts: C, displs: D) -> Partition<'_, B, C, D> {
[INFO] [stderr]      |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/datatype.rs:1509:21
[INFO] [stderr]      |
[INFO] [stderr] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<B, C, D> {
[INFO] [stderr]      |                     ^^^^^^                           ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     the lifetime is elided here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]      |
[INFO] [stderr] 1509 |     pub fn new(buf: &mut B, counts: C, displs: D) -> PartitionMut<'_, B, C, D> {
[INFO] [stderr]      |                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/topology/mod.rs:379:24
[INFO] [stderr]     |
[INFO] [stderr] 379 |     fn process_at_rank(&self, r: Rank) -> Process {
[INFO] [stderr]     |                        ^^^^^              ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 379 |     fn process_at_rank(&self, r: Rank) -> Process<'_> {
[INFO] [stderr]     |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/topology/mod.rs:386:20
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn any_process(&self) -> AnyProcess {
[INFO] [stderr]     |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn any_process(&self) -> AnyProcess<'_> {
[INFO] [stderr]     |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/topology/mod.rs:391:21
[INFO] [stderr]     |
[INFO] [stderr] 391 |     fn this_process(&self) -> Process {
[INFO] [stderr]     |                     ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 391 |     fn this_process(&self) -> Process<'_> {
[INFO] [stderr]     |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (lib) generated 14 warnings (run `cargo fix --lib -p mpi` to apply 7 suggestions)
[INFO] [stderr] warning: `mpi` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]   --> examples/immediate_reduce.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/immediate_reduce.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]   --> examples/immediate_reduce.rs:51:11
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]   --> examples/env_inq.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 |     #[cfg(not(msmpi))]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/env_inq.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> examples/scatter_varcount.rs:20:50
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stderr]    |                                                  ^    ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/scatter_varcount.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 20 -         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stderr] 20 +         let msg: Vec<_> = (0..size).flat_map(|i| 0..i).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (example "immediate_reduce") generated 2 warnings
[INFO] [stderr] warning: `mpi` (example "env_inq") generated 1 warning
[INFO] [stderr] warning: `mpi` (example "scatter_varcount") generated 1 warning (run `cargo fix --example "scatter_varcount" -p mpi` to apply 1 suggestion)
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]  --> examples/immediate_barrier.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[cfg(msmpi)]
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> examples/immediate_barrier.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]  --> examples/immediate_barrier.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[cfg(not(msmpi))]
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> examples/immediate_scatter_varcount.rs:20:50
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stderr]    |                                                  ^    ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/immediate_scatter_varcount.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 20 -         let msg: Vec<_> = (0..size).flat_map(|i| (0..i)).collect();
[INFO] [stderr] 20 +         let msg: Vec<_> = (0..size).flat_map(|i| 0..i).collect();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (example "immediate_barrier") generated 2 warnings
[INFO] [stderr] warning: `mpi` (example "immediate_scatter_varcount") generated 1 warning (run `cargo fix --example "immediate_scatter_varcount" -p mpi` to apply 1 suggestion)
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]   --> examples/reduce.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[cfg(not(all(msmpi, target_arch = "x86")))]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/reduce.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]   --> examples/reduce.rs:52:11
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[cfg(all(msmpi, target_arch = "x86"))]
[INFO] [stderr]    |           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> examples/immediate_gather_varcount.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr]    |                                         ^    ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/immediate_gather_varcount.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 42 -             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr] 42 +             .zip((0..size).flat_map(|r| 0..r))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (example "reduce") generated 2 warnings
[INFO] [stderr] warning: `mpi` (example "immediate_gather_varcount") generated 1 warning (run `cargo fix --example "immediate_gather_varcount" -p mpi` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> examples/all_gather_varcount.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr]    |                                     ^    ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/all_gather_varcount.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 34 -         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr] 34 +         .zip((0..size).flat_map(|r| 0..r))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (example "all_gather_varcount") generated 1 warning (run `cargo fix --example "all_gather_varcount" -p mpi` to apply 1 suggestion)
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]  --> examples/immediate_multiple_barrier.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[cfg(msmpi)]
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]  --> examples/immediate_multiple_barrier.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[cfg(not(msmpi))]
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> examples/gather_varcount.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr]    |                                         ^    ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/gather_varcount.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 38 -             .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr] 38 +             .zip((0..size).flat_map(|r| 0..r))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (example "immediate_multiple_barrier") generated 2 warnings
[INFO] [stderr] warning: `mpi` (example "gather_varcount") generated 1 warning (run `cargo fix --example "gather_varcount" -p mpi` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> examples/immediate_all_gather_varcount.rs:37:37
[INFO] [stderr]    |
[INFO] [stderr] 37 |         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr]    |                                     ^    ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/immediate_all_gather_varcount.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 -         .zip((0..size).flat_map(|r| (0..r)))
[INFO] [stderr] 37 +         .zip((0..size).flat_map(|r| 0..r))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (example "immediate_all_gather_varcount") generated 1 warning (run `cargo fix --example "immediate_all_gather_varcount" -p mpi` to apply 1 suggestion)
[INFO] [stderr] warning: unexpected `cfg` condition name: `msmpi`
[INFO] [stderr]   --> examples/split.rs:48:15
[INFO] [stderr]    |
[INFO] [stderr] 48 |     #[cfg(not(msmpi))]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(msmpi)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(msmpi)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> examples/split.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr]  1 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: `mpi` (example "split") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mpi-9749a30d015a0a74)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive_tests.rs (/opt/rustwide/target/debug/deps/derive_tests-4e5102660c75a4bc)
[INFO] [stderr]      Running tests/trait_object_safety_test.rs (/opt/rustwide/target/debug/deps/trait_object_safety_test-25a3b56142d69230)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test object_safety_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mpi
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/point_to_point.rs - point_to_point::Destination::send (line 521) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 51) - compile ... ok
[INFO] [stdout] test src/request.rs - request::scope (line 502) ... ok
[INFO] [stdout] test src/point_to_point.rs - point_to_point::Source::receive (line 177) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "574058b6468e614d357dfe7490f6be9eee7ca35276cef94404724fab5fa6234e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574058b6468e614d357dfe7490f6be9eee7ca35276cef94404724fab5fa6234e", kill_on_drop: false }`
[INFO] [stdout] 574058b6468e614d357dfe7490f6be9eee7ca35276cef94404724fab5fa6234e
