[INFO] fetching crate async-task 4.0.3...
[INFO] building async-task-4.0.3 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate async-task 4.0.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-task 4.0.3 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-task 4.0.3
[INFO] finished tweaking crates.io crate async-task 4.0.3
[INFO] tweaked toml for crates.io crate async-task 4.0.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate async-task 4.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df1c3b5d43c3fc6806d25a03676b560fcfd46d72365d3aacdf7fb06dc42cae2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df1c3b5d43c3fc6806d25a03676b560fcfd46d72365d3aacdf7fb06dc42cae2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1c3b5d43c3fc6806d25a03676b560fcfd46d72365d3aacdf7fb06dc42cae2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1c3b5d43c3fc6806d25a03676b560fcfd46d72365d3aacdf7fb06dc42cae2f", kill_on_drop: false }`
[INFO] [stdout] df1c3b5d43c3fc6806d25a03676b560fcfd46d72365d3aacdf7fb06dc42cae2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bae62dada459f12e312cf864419b9231105d09b157d340817953940be278ac4d
[INFO] running `Command { std: "docker" "start" "-a" "bae62dada459f12e312cf864419b9231105d09b157d340817953940be278ac4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-task v4.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "bae62dada459f12e312cf864419b9231105d09b157d340817953940be278ac4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae62dada459f12e312cf864419b9231105d09b157d340817953940be278ac4d", kill_on_drop: false }`
[INFO] [stdout] bae62dada459f12e312cf864419b9231105d09b157d340817953940be278ac4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d079787c103be87a47d67fac1eec82cb679204164061cb7de43f8fe3d522b29
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d079787c103be87a47d67fac1eec82cb679204164061cb7de43f8fe3d522b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling async-mutex v1.3.0
[INFO] [stderr]    Compiling async-semaphore v1.1.0
[INFO] [stderr]    Compiling spinning_top v0.2.2
[INFO] [stderr]    Compiling async-rwlock v1.1.0
[INFO] [stderr]    Compiling async-barrier v1.0.1
[INFO] [stderr]    Compiling flume v0.9.0
[INFO] [stderr]    Compiling async-lock v2.1.3
[INFO] [stderr]    Compiling futures-lite v1.7.0
[INFO] [stderr]    Compiling polling v1.0.3
[INFO] [stderr]    Compiling nb-connect v1.0.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling async-io v1.1.2
[INFO] [stderr]    Compiling blocking v1.0.0
[INFO] [stderr]    Compiling async-executor v1.1.1
[INFO] [stderr]    Compiling async-fs v1.3.0
[INFO] [stderr]    Compiling async-net v1.3.0
[INFO] [stderr]    Compiling async-process v1.0.0
[INFO] [stderr]    Compiling smol v1.0.1
[INFO] [stderr]    Compiling async-task v4.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/cancel.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 &guard;
[INFO] [stdout]    |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 99 |     schedule!(s, SCHEDULE, 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] 84 |                 let _ = &guard;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:84:17
[INFO] [stdout]     |
[INFO] [stdout] 84  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 120 |     schedule!(s, SCHEDULE, 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] 84  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/cancel.rs:84:17
[INFO] [stdout]     |
[INFO] [stdout] 84  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 157 |     schedule!(s, SCHEDULE, 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] 84  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/ready.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 &guard;
[INFO] [stdout]    |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 98 |     schedule!(s, SCHEDULE, 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] 84 |                 let _ = &guard;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:84:17
[INFO] [stdout]     |
[INFO] [stdout] 84  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 140 |     schedule!(s, SCHEDULE, 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] 84  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:84:17
[INFO] [stdout]     |
[INFO] [stdout] 84  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 173 |     schedule!(s, SCHEDULE, 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] 84  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/ready.rs:84:17
[INFO] [stdout]     |
[INFO] [stdout] 84  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 202 |     schedule!(s, SCHEDULE, 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] 84  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/basic.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 &guard;
[INFO] [stdout]    |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 81 |     schedule!(s, SCHEDULE, 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] 67 |                 let _ = &guard;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:67:17
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 105 |     schedule!(s, SCHEDULE, 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] 67  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:67:17
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 124 |     schedule!(s, SCHEDULE, 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] 67  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:67:17
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 143 |     schedule!(s, SCHEDULE, 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] 67  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:67:17
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 162 |     schedule!(s, SCHEDULE, 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] 67  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:67:17
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 181 |     schedule!(s, SCHEDULE, 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] 67  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/basic.rs:67:17
[INFO] [stdout]     |
[INFO] [stdout] 67  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 200 |     schedule!(s, SCHEDULE, 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] 67  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/panic.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 &guard;
[INFO] [stdout]    |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 86 |     schedule!(s, SCHEDULE, 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] 72 |                 let _ = &guard;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:72:17
[INFO] [stdout]     |
[INFO] [stdout] 72  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 112 |     schedule!(s, SCHEDULE, 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] 72  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:72:17
[INFO] [stdout]     |
[INFO] [stdout] 72  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 131 |     schedule!(s, SCHEDULE, 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] 72  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:72:17
[INFO] [stdout]     |
[INFO] [stdout] 72  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 156 |     schedule!(s, SCHEDULE, 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] 72  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:72:17
[INFO] [stdout]     |
[INFO] [stdout] 72  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 186 |     schedule!(s, SCHEDULE, 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] 72  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/panic.rs:72:17
[INFO] [stdout]     |
[INFO] [stdout] 72  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 213 |     schedule!(s, SCHEDULE, 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] 72  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:86:17
[INFO] [stdout]     |
[INFO] [stdout] 86  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 103 |     schedule!(s, chan, SCHEDULE, 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] 86  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:86:17
[INFO] [stdout]     |
[INFO] [stdout] 86  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 142 |     schedule!(s, chan, SCHEDULE, 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] 86  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:86:17
[INFO] [stdout]     |
[INFO] [stdout] 86  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 181 |     schedule!(s, chan, SCHEDULE, 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] 86  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:86:17
[INFO] [stdout]     |
[INFO] [stdout] 86  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 220 |     schedule!(s, chan, SCHEDULE, 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] 86  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_ready.rs:86:17
[INFO] [stdout]     |
[INFO] [stdout] 86  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 252 |     schedule!(s, chan, SCHEDULE, 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] 86  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/waker_pending.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 &guard;
[INFO] [stdout]    |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 97 |     schedule!(s, chan, SCHEDULE, 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] 80 |                 let _ = &guard;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:80:17
[INFO] [stdout]     |
[INFO] [stdout] 80  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 141 |     schedule!(s, chan, SCHEDULE, 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] 80  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:80:17
[INFO] [stdout]     |
[INFO] [stdout] 80  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 183 |     schedule!(s, chan, SCHEDULE, 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] 80  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:80:17
[INFO] [stdout]     |
[INFO] [stdout] 80  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 232 |     schedule!(s, chan, SCHEDULE, 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] 80  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:80:17
[INFO] [stdout]     |
[INFO] [stdout] 80  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 281 |     schedule!(s, chan, SCHEDULE, 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] 80  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:80:17
[INFO] [stdout]     |
[INFO] [stdout] 80  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 312 |     schedule!(s, chan, SCHEDULE, 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] 80  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_pending.rs:80:17
[INFO] [stdout]     |
[INFO] [stdout] 80  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 341 |     schedule!(s, chan, SCHEDULE, 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] 80  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 100 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 119 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 138 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 157 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 186 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 217 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 248 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 286 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/join.rs:85:17
[INFO] [stdout]     |
[INFO] [stdout] 85  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 320 |     schedule!(s, SCHEDULE, 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] 85  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:89:17
[INFO] [stdout]     |
[INFO] [stdout] 89  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 110 |     schedule!(s, chan, SCHEDULE, 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] 89  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:89:17
[INFO] [stdout]     |
[INFO] [stdout] 89  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 153 |     schedule!(s, chan, SCHEDULE, 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] 89  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:89:17
[INFO] [stdout]     |
[INFO] [stdout] 89  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 195 |     schedule!(s, chan, SCHEDULE, 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] 89  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:89:17
[INFO] [stdout]     |
[INFO] [stdout] 89  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 244 |     schedule!(s, chan, SCHEDULE, 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] 89  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/waker_panic.rs:89:17
[INFO] [stdout]     |
[INFO] [stdout] 89  |                 &guard;
[INFO] [stdout]     |                 ^^^^^^ the borrow produces a value
[INFO] [stdout] ...
[INFO] [stdout] 293 |     schedule!(s, chan, SCHEDULE, 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] 89  |                 let _ = &guard;
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 40.69s
[INFO] running `Command { std: "docker" "inspect" "2d079787c103be87a47d67fac1eec82cb679204164061cb7de43f8fe3d522b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d079787c103be87a47d67fac1eec82cb679204164061cb7de43f8fe3d522b29", kill_on_drop: false }`
[INFO] [stdout] 2d079787c103be87a47d67fac1eec82cb679204164061cb7de43f8fe3d522b29