[INFO] fetching crate async-task-ffi 4.1.1...
[INFO] checking async-task-ffi-4.1.1 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate async-task-ffi 4.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-task-ffi 4.1.1 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-task-ffi 4.1.1
[INFO] finished tweaking crates.io crate async-task-ffi 4.1.1
[INFO] tweaked toml for crates.io crate async-task-ffi 4.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate async-task-ffi 4.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v1.0.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15759b455ebc6fee906ccb67f87da7108fc49c7290e2ed9a08cc2fa777009680
[INFO] running `Command { std: "docker" "start" "-a" "15759b455ebc6fee906ccb67f87da7108fc49c7290e2ed9a08cc2fa777009680", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking waker-fn v1.1.0
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[INFO] [stderr]     Checking pin-project-lite v0.2.4
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[INFO] [stderr]    Compiling log v0.4.13
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[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking async-task-ffi v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking async-channel v1.5.1
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[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-fs v1.5.0
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[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 116 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 139 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 179 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 114 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 160 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 195 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:95:17
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 226 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 95  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 102 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 130 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 151 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 179 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 211 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 241 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 83  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 111 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 124 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 170 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 215 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 268 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 321 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 158 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 203 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 256 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 309 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/basic.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 &guard;
[INFO] [stdout]    |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 97 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let _ = &guard;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 343 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 124 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:91:17
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 375 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 91  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 145 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 166 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 187 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 208 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:78:17
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 229 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 78  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 117 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 138 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 159 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 180 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 214 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 247 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 280 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 322 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 359 |     schedule!(s, d, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 96  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 117 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 159 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 202 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 245 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:97:17
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 280 |     schedule!(s, d, chan, SCHEDULE, DATA, DROP_S);
[INFO] [stdout]     |     --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `schedule` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 97  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "6bd9448331dcfa549d682d96ea4edfef0047e4aaa71fe8f8e3388f6151fdd437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd9448331dcfa549d682d96ea4edfef0047e4aaa71fe8f8e3388f6151fdd437", kill_on_drop: false }`
[INFO] [stdout] 6bd9448331dcfa549d682d96ea4edfef0047e4aaa71fe8f8e3388f6151fdd437