[INFO] fetching crate bastion 0.4.4...
[INFO] checking bastion-0.4.4 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate bastion 0.4.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bastion 0.4.4 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-7/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 556efdbcb22f6036f42adb75d2417963683f84b6dab703cc9b643162bd3e70e4
[INFO] running `Command { std: "docker" "start" "-a" "556efdbcb22f6036f42adb75d2417963683f84b6dab703cc9b643162bd3e70e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556efdbcb22f6036f42adb75d2417963683f84b6dab703cc9b643162bd3e70e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556efdbcb22f6036f42adb75d2417963683f84b6dab703cc9b643162bd3e70e4", kill_on_drop: false }`
[INFO] [stdout] 556efdbcb22f6036f42adb75d2417963683f84b6dab703cc9b643162bd3e70e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5981ae89753d0b66a9cc52974d1c012a226377ec30c61d92f4d33cc94d8cc3f
[INFO] running `Command { std: "docker" "start" "-a" "b5981ae89753d0b66a9cc52974d1c012a226377ec30c61d92f4d33cc94d8cc3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking slice-group-by v0.2.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking bastion-utils v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking anyhow v1.0.38
[INFO] [stderr]    Compiling agnostik v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking regex-automata v0.1.9
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[INFO] [stderr]     Checking time v0.1.43
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[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.1
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[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]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking lever v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking bastion-executor v0.4.1
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking nuclei v0.1.3
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking 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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 the macro `msg` (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 dev [unoptimized + debuginfo] target(s) in 37.95s
[INFO] running `Command { std: "docker" "inspect" "b5981ae89753d0b66a9cc52974d1c012a226377ec30c61d92f4d33cc94d8cc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5981ae89753d0b66a9cc52974d1c012a226377ec30c61d92f4d33cc94d8cc3f", kill_on_drop: false }`
[INFO] [stdout] b5981ae89753d0b66a9cc52974d1c012a226377ec30c61d92f4d33cc94d8cc3f