[INFO] fetching crate async-task-ffi 4.1.1...
[INFO] checking async-task-ffi-4.1.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate async-task-ffi 4.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate async-task-ffi 4.1.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-task-ffi 4.1.1
[INFO] finished tweaking crates.io crate async-task-ffi 4.1.1
[INFO] tweaked toml for crates.io crate async-task-ffi 4.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-task-ffi 4.1.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded spinning_top v0.2.2
[INFO] [stderr]   Downloaded flume v0.10.1
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded async-process v1.0.1
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[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83483e8b84a1c93f0205d7188005691c078c700b778d6fbc3e125cae13a71bc3
[INFO] running `Command { std: "docker" "start" "-a" "83483e8b84a1c93f0205d7188005691c078c700b778d6fbc3e125cae13a71bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83483e8b84a1c93f0205d7188005691c078c700b778d6fbc3e125cae13a71bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83483e8b84a1c93f0205d7188005691c078c700b778d6fbc3e125cae13a71bc3", kill_on_drop: false }`
[INFO] [stdout] 83483e8b84a1c93f0205d7188005691c078c700b778d6fbc3e125cae13a71bc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ab6d1f9e135e2b2d09dff92889e6e479c3e307b08695b17f95c1dca01a723f
[INFO] running `Command { std: "docker" "start" "-a" "e1ab6d1f9e135e2b2d09dff92889e6e479c3e307b08695b17f95c1dca01a723f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking async-task-ffi v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking flume v0.10.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 115 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:46:24
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 115 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:77:26
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 116 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 138 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:46:24
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 138 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:77:26
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 139 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 178 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:46:24
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 178 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/cancel.rs:77:26
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 179 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 116 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 139 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 179 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 101 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:65:26
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 129 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:65:26
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 130 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 150 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:65:26
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 151 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 178 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:65:26
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 179 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 210 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:65:26
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 211 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 240 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 26  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/panic.rs:65:26
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 241 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 65  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 102 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 130 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 151 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 179 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 211 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 241 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/basic.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |             struct Fut(Box<i32>);
[INFO] [stdout]    |                    --- ^^^^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     future!(f, POLL, DROP_F);
[INFO] [stdout]    |     ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 |             struct Fut(());
[INFO] [stdout]    |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 113 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 110 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:32:36
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 123 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/basic.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |             struct Guard(Box<i32>);
[INFO] [stdout]    |                    ----- ^^^^^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 97 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 |             struct Guard(());
[INFO] [stdout]    |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:22:24
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 123 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:60:26
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 124 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:22:24
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 144 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:60:26
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 145 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:22:24
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 165 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:60:26
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 166 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:22:24
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 186 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:60:26
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 187 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:46:24
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 113 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:22:24
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 207 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:82:26
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 124 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:77:26
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 114 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:60:26
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 208 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:32:36
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 169 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:22:24
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 228 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 22  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:82:26
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 170 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/basic.rs:60:26
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 229 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 60  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:32:36
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 214 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/basic.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 &guard;
[INFO] [stdout]    |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 97 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let _ = &guard;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:82:26
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 215 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 159 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:32:36
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 267 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:82:26
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 268 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 124 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:32:36
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 320 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 32  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_panic.rs:82:26
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 321 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 82  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:46:24
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 159 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 124 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 145 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:77:26
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 160 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 170 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 166 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:46:24
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 215 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 268 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 321 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 187 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 208 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:77:26
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 195 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 225 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 27  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:73:26
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 111 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 229 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:46:24
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 225 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 46  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 157 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/ready.rs:77:26
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 226 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 77  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:73:26
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 158 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 114 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 202 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 160 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:73:26
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 203 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 195 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 226 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 255 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:73:26
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 256 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 308 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:73:26
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 309 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 342 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:73:26
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 343 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 374 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_pending.rs:73:26
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 375 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 73  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 111 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 158 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 203 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 256 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 309 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 343 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 375 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:29:36
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 116 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:79:26
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 117 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:29:36
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 158 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:79:26
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 159 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:29:36
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 201 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:79:26
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 202 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:29:36
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 244 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:79:26
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 245 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:29:36
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, Box<i32>);
[INFO] [stdout]     |                    ---             ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 279 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Cell<bool>, ());
[INFO] [stdout]     |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/waker_ready.rs:79:26
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 280 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 79  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 117 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 159 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 202 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 245 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 280 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 116 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 116 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 117 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 137 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 137 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 138 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 158 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 158 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 159 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 179 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 179 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 180 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 213 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 213 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 214 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 246 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 246 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 247 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 279 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 279 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 280 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 321 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 321 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 322 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:29:24
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(Box<i32>);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 358 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 29  |             struct Fut(());
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:47:24
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out(Box<i32>, bool);
[INFO] [stdout]     |                    --- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 358 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 47  |             struct Out((), bool);
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/join.rs:78:26
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(Box<i32>);
[INFO] [stdout]     |                    ----- ^^^^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 359 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 78  |             struct Guard(());
[INFO] [stdout]     |                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 117 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 138 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 159 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 180 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 214 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 247 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 280 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 322 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 359 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "e1ab6d1f9e135e2b2d09dff92889e6e479c3e307b08695b17f95c1dca01a723f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ab6d1f9e135e2b2d09dff92889e6e479c3e307b08695b17f95c1dca01a723f", kill_on_drop: false }`
[INFO] [stdout] e1ab6d1f9e135e2b2d09dff92889e6e479c3e307b08695b17f95c1dca01a723f
