[INFO] fetching crate async-task-ffi 4.1.1...
[INFO] building async-task-ffi-4.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate async-task-ffi 4.1.1 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-task-ffi 4.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded polling v2.0.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79681a312eb21e9a01fe836cf1fb574a6eee7871c4b2a3f6eb0ddbb4ca0d6593
[INFO] running `Command { std: "docker" "start" "-a" "79681a312eb21e9a01fe836cf1fb574a6eee7871c4b2a3f6eb0ddbb4ca0d6593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79681a312eb21e9a01fe836cf1fb574a6eee7871c4b2a3f6eb0ddbb4ca0d6593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79681a312eb21e9a01fe836cf1fb574a6eee7871c4b2a3f6eb0ddbb4ca0d6593", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67ff543494e2ff6cbf6c1e3315cbb6fe926851a8d907dc1b6e3754ae3864183a
[INFO] running `Command { std: "docker" "start" "-a" "67ff543494e2ff6cbf6c1e3315cbb6fe926851a8d907dc1b6e3754ae3864183a", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-task-ffi v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "67ff543494e2ff6cbf6c1e3315cbb6fe926851a8d907dc1b6e3754ae3864183a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ff543494e2ff6cbf6c1e3315cbb6fe926851a8d907dc1b6e3754ae3864183a", kill_on_drop: false }`
[INFO] [stdout] 67ff543494e2ff6cbf6c1e3315cbb6fe926851a8d907dc1b6e3754ae3864183a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c12d7f8921e24e4c4113ab5250dd230004c0965d5d5b3a501a2112c9f2258c72
[INFO] running `Command { std: "docker" "start" "-a" "c12d7f8921e24e4c4113ab5250dd230004c0965d5d5b3a501a2112c9f2258c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling spinning_top v0.2.2
[INFO] [stderr]    Compiling flume v0.10.1
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling async-task-ffi v4.1.1 (/opt/rustwide/workdir)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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(Box<i32>, bool);
[INFO] [stdout]  46 +             struct Out((), bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[INFO] [stdout]  46 +             struct Out((), bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[INFO] [stdout]  46 +             struct Out((), bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[INFO] [stdout]  46 +             struct Out((), bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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] 114 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 160 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 195 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 226 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 101 |     future!(f, POLL, DROP_F);
[INFO] [stdout]     |     ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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] 102 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 130 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 151 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 179 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 211 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 241 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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] 124 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 170 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 215 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 268 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 321 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 115 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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] 116 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 139 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 179 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 116 |     future!(f, get_waker, POLL, DROP_F);
[INFO] [stdout]     |     ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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] 117 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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] 159 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 202 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 245 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 280 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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] 111 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 158 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 203 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 256 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 309 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 343 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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] 375 |     let _ = schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[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]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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]    = help: consider removing this field
[INFO] [stdout]    = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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 _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 124 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 145 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 166 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 187 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 208 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 229 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 116 |     future!(f, POLL, DROP_F, DROP_T);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `future` (in Nightly builds, run with -Z macro-backtrace for more info)
[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(Box<i32>, bool);
[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]     = help: consider removing this field
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` (part of `#[warn(unused)]`) 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] 117 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 138 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 159 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 180 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 214 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 247 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 280 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 322 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[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] 359 |     let _ = schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "c12d7f8921e24e4c4113ab5250dd230004c0965d5d5b3a501a2112c9f2258c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12d7f8921e24e4c4113ab5250dd230004c0965d5d5b3a501a2112c9f2258c72", kill_on_drop: false }`
[INFO] [stdout] c12d7f8921e24e4c4113ab5250dd230004c0965d5d5b3a501a2112c9f2258c72
