[INFO] fetching crate bastion 0.4.4...
[INFO] building bastion-0.4.4 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate bastion 0.4.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bastion 0.4.4 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bastion 0.4.4
[INFO] finished tweaking crates.io crate bastion 0.4.4
[INFO] tweaked toml for crates.io crate bastion 0.4.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate bastion 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.18
[INFO] [stderr]   Downloaded fail v0.3.0
[INFO] [stderr]   Downloaded prost-types v0.6.1
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[INFO] [stderr]   Downloaded kaos v0.1.1-alpha.2
[INFO] [stderr]   Downloaded libp2p-swarm v0.20.1
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[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", 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] e99edd74d5debe152b675917a3fb9c26080ba905b2dc94bedbac1bafbd469305
[INFO] running `Command { std: "docker" "start" "-a" "e99edd74d5debe152b675917a3fb9c26080ba905b2dc94bedbac1bafbd469305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e99edd74d5debe152b675917a3fb9c26080ba905b2dc94bedbac1bafbd469305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99edd74d5debe152b675917a3fb9c26080ba905b2dc94bedbac1bafbd469305", kill_on_drop: false }`
[INFO] [stdout] e99edd74d5debe152b675917a3fb9c26080ba905b2dc94bedbac1bafbd469305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e1a23e046cc605a0b3947643628d3dcd92ea8cb487c44019a45f03896642aa
[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" "b9e1a23e046cc605a0b3947643628d3dcd92ea8cb487c44019a45f03896642aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling serde v1.0.123
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[INFO] [stderr]    Compiling getrandom v0.2.2
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[INFO] [stderr]    Compiling bastion-utils v0.3.2
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[INFO] [stderr]    Compiling agnostik v0.2.3
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[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling lightproc v0.3.5
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling lever v0.1.1
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling bastion-executor v0.4.1
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling nuclei v0.1.3
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling bastion v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.54s
[INFO] running `Command { std: "docker" "inspect" "b9e1a23e046cc605a0b3947643628d3dcd92ea8cb487c44019a45f03896642aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e1a23e046cc605a0b3947643628d3dcd92ea8cb487c44019a45f03896642aa", kill_on_drop: false }`
[INFO] [stdout] b9e1a23e046cc605a0b3947643628d3dcd92ea8cb487c44019a45f03896642aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef997be3b2b135b8189ba639dcc4af6893da7b979326c4006a66a4b52cb0123f
[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" "ef997be3b2b135b8189ba639dcc4af6893da7b979326c4006a66a4b52cb0123f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling bastion v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/message.rs:710:9
[INFO] [stdout]     |
[INFO] [stdout] 710 | /         macro_rules! signature {
[INFO] [stdout] 711 | |             () => {
[INFO] [stdout] 712 | |                 sign
[INFO] [stdout] 713 | |             };
[INFO] [stdout] 714 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:720:17
[INFO] [stdout]     |
[INFO] [stdout] 720 | /                 msg! { ctx.recv().await?,
[INFO] [stdout] 721 | |                     ref msg: &'static str => {
[INFO] [stdout] 722 | |                         assert_eq!(msg, &"test recv");
[INFO] [stdout] 723 | |                     };
[INFO] [stdout] 724 | |                     msg: _ => { panic!("didn't receive the expected message {:?}", msg);};
[INFO] [stdout] 725 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/message.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 | /             macro_rules! answer {
[INFO] [stdout] 734 | |                 ($ctx:expr, $answer:expr) => {
[INFO] [stdout] 735 | |                     {
[INFO] [stdout] 736 | |                         let sign = $ctx.signature();
[INFO] [stdout] ...   |
[INFO] [stdout] 739 | |                 };
[INFO] [stdout] 740 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:720:17
[INFO] [stdout]     |
[INFO] [stdout] 720 | /                 msg! { ctx.recv().await?,
[INFO] [stdout] 721 | |                     ref msg: &'static str => {
[INFO] [stdout] 722 | |                         assert_eq!(msg, &"test recv");
[INFO] [stdout] 723 | |                     };
[INFO] [stdout] 724 | |                     msg: _ => { panic!("didn't receive the expected message {:?}", msg);};
[INFO] [stdout] 725 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/message.rs:710:9
[INFO] [stdout]     |
[INFO] [stdout] 710 | /         macro_rules! signature {
[INFO] [stdout] 711 | |             () => {
[INFO] [stdout] 712 | |                 sign
[INFO] [stdout] 713 | |             };
[INFO] [stdout] 714 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 | /                 msg! { ctx.try_recv().await.expect("no message"),
[INFO] [stdout] 742 | |                     ref msg: &'static str => {
[INFO] [stdout] 743 | |                         assert_eq!(msg, &"test try recv");
[INFO] [stdout] 744 | |                     };
[INFO] [stdout] 745 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 746 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/message.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 | /             macro_rules! answer {
[INFO] [stdout] 734 | |                 ($ctx:expr, $answer:expr) => {
[INFO] [stdout] 735 | |                     {
[INFO] [stdout] 736 | |                         let sign = $ctx.signature();
[INFO] [stdout] ...   |
[INFO] [stdout] 739 | |                 };
[INFO] [stdout] 740 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 | /                 msg! { ctx.try_recv().await.expect("no message"),
[INFO] [stdout] 742 | |                     ref msg: &'static str => {
[INFO] [stdout] 743 | |                         assert_eq!(msg, &"test try recv");
[INFO] [stdout] 744 | |                     };
[INFO] [stdout] 745 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 746 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/message.rs:710:9
[INFO] [stdout]     |
[INFO] [stdout] 710 | /         macro_rules! signature {
[INFO] [stdout] 711 | |             () => {
[INFO] [stdout] 712 | |                 sign
[INFO] [stdout] 713 | |             };
[INFO] [stdout] 714 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 | /                 msg! { ctx.try_recv_timeout(std::time::Duration::from_millis(1)).await.expect("recv_timeout failed"),
[INFO] [stdout] 774 | |                     ref msg: &'static str => {
[INFO] [stdout] 775 | |                         assert_eq!(msg, &"test recv timeout");
[INFO] [stdout] 776 | |                     };
[INFO] [stdout] 777 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 778 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/message.rs:733:13
[INFO] [stdout]     |
[INFO] [stdout] 733 | /             macro_rules! answer {
[INFO] [stdout] 734 | |                 ($ctx:expr, $answer:expr) => {
[INFO] [stdout] 735 | |                     {
[INFO] [stdout] 736 | |                         let sign = $ctx.signature();
[INFO] [stdout] ...   |
[INFO] [stdout] 739 | |                 };
[INFO] [stdout] 740 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 | /                 msg! { ctx.try_recv_timeout(std::time::Duration::from_millis(1)).await.expect("recv_timeout failed"),
[INFO] [stdout] 774 | |                     ref msg: &'static str => {
[INFO] [stdout] 775 | |                         assert_eq!(msg, &"test recv timeout");
[INFO] [stdout] 776 | |                     };
[INFO] [stdout] 777 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 778 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sign`
[INFO] [stdout]    --> src/message.rs:708:24
[INFO] [stdout]     |
[INFO] [stdout] 708 |           let (mut $var, sign) = signed.extract();
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_sign`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:720:17
[INFO] [stdout]     |
[INFO] [stdout] 720 | /                 msg! { ctx.recv().await?,
[INFO] [stdout] 721 | |                     ref msg: &'static str => {
[INFO] [stdout] 722 | |                         assert_eq!(msg, &"test recv");
[INFO] [stdout] 723 | |                     };
[INFO] [stdout] 724 | |                     msg: _ => { panic!("didn't receive the expected message {:?}", msg);};
[INFO] [stdout] 725 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/message.rs:731:17
[INFO] [stdout]     |
[INFO] [stdout] 731 |               let sender = sender.unwrap();
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:720:17
[INFO] [stdout]     |
[INFO] [stdout] 720 | /                 msg! { ctx.recv().await?,
[INFO] [stdout] 721 | |                     ref msg: &'static str => {
[INFO] [stdout] 722 | |                         assert_eq!(msg, &"test recv");
[INFO] [stdout] 723 | |                     };
[INFO] [stdout] 724 | |                     msg: _ => { panic!("didn't receive the expected message {:?}", msg);};
[INFO] [stdout] 725 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sign`
[INFO] [stdout]    --> src/message.rs:708:24
[INFO] [stdout]     |
[INFO] [stdout] 708 |           let (mut $var, sign) = signed.extract();
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_sign`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 | /                 msg! { ctx.try_recv().await.expect("no message"),
[INFO] [stdout] 742 | |                     ref msg: &'static str => {
[INFO] [stdout] 743 | |                         assert_eq!(msg, &"test try recv");
[INFO] [stdout] 744 | |                     };
[INFO] [stdout] 745 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 746 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/message.rs:731:17
[INFO] [stdout]     |
[INFO] [stdout] 731 |               let sender = sender.unwrap();
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 | /                 msg! { ctx.try_recv().await.expect("no message"),
[INFO] [stdout] 742 | |                     ref msg: &'static str => {
[INFO] [stdout] 743 | |                         assert_eq!(msg, &"test try recv");
[INFO] [stdout] 744 | |                     };
[INFO] [stdout] 745 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 746 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sign`
[INFO] [stdout]    --> src/message.rs:708:24
[INFO] [stdout]     |
[INFO] [stdout] 708 |           let (mut $var, sign) = signed.extract();
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_sign`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 | /                 msg! { ctx.try_recv_timeout(std::time::Duration::from_millis(1)).await.expect("recv_timeout failed"),
[INFO] [stdout] 774 | |                     ref msg: &'static str => {
[INFO] [stdout] 775 | |                         assert_eq!(msg, &"test recv timeout");
[INFO] [stdout] 776 | |                     };
[INFO] [stdout] 777 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 778 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/message.rs:731:17
[INFO] [stdout]     |
[INFO] [stdout] 731 |               let sender = sender.unwrap();
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 | /                 msg! { ctx.try_recv_timeout(std::time::Duration::from_millis(1)).await.expect("recv_timeout failed"),
[INFO] [stdout] 774 | |                     ref msg: &'static str => {
[INFO] [stdout] 775 | |                         assert_eq!(msg, &"test recv timeout");
[INFO] [stdout] 776 | |                     };
[INFO] [stdout] 777 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 778 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/message.rs:706:13
[INFO] [stdout]     |
[INFO] [stdout] 706 |           let mut signed = $msg;
[INFO] [stdout]     |               ----^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:720:17
[INFO] [stdout]     |
[INFO] [stdout] 720 | /                 msg! { ctx.recv().await?,
[INFO] [stdout] 721 | |                     ref msg: &'static str => {
[INFO] [stdout] 722 | |                         assert_eq!(msg, &"test recv");
[INFO] [stdout] 723 | |                     };
[INFO] [stdout] 724 | |                     msg: _ => { panic!("didn't receive the expected message {:?}", msg);};
[INFO] [stdout] 725 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/message.rs:706:13
[INFO] [stdout]     |
[INFO] [stdout] 706 |           let mut signed = $msg;
[INFO] [stdout]     |               ----^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 | /                 msg! { ctx.try_recv().await.expect("no message"),
[INFO] [stdout] 742 | |                     ref msg: &'static str => {
[INFO] [stdout] 743 | |                         assert_eq!(msg, &"test try recv");
[INFO] [stdout] 744 | |                     };
[INFO] [stdout] 745 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 746 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/message.rs:706:13
[INFO] [stdout]     |
[INFO] [stdout] 706 |           let mut signed = $msg;
[INFO] [stdout]     |               ----^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/context.rs:773:17
[INFO] [stdout]     |
[INFO] [stdout] 773 | /                 msg! { ctx.try_recv_timeout(std::time::Duration::from_millis(1)).await.expect("recv_timeout failed"),
[INFO] [stdout] 774 | |                     ref msg: &'static str => {
[INFO] [stdout] 775 | |                         assert_eq!(msg, &"test recv timeout");
[INFO] [stdout] 776 | |                     };
[INFO] [stdout] 777 | |                     _: _ => { panic!("didn't receive the expected message");};
[INFO] [stdout] 778 | |                 }
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.28s
[INFO] running `Command { std: "docker" "inspect" "ef997be3b2b135b8189ba639dcc4af6893da7b979326c4006a66a4b52cb0123f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef997be3b2b135b8189ba639dcc4af6893da7b979326c4006a66a4b52cb0123f", kill_on_drop: false }`
[INFO] [stdout] ef997be3b2b135b8189ba639dcc4af6893da7b979326c4006a66a4b52cb0123f
