[INFO] fetching crate att 0.3.0-alpha.1...
[INFO] checking att-0.3.0-alpha.1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate att 0.3.0-alpha.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate att 0.3.0-alpha.1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate att 0.3.0-alpha.1
[INFO] finished tweaking crates.io crate att 0.3.0-alpha.1
[INFO] tweaked toml for crates.io crate att 0.3.0-alpha.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate att 0.3.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded futures-sink v0.3.18
[INFO] [stderr]   Downloaded slab v0.4.5
[INFO] [stderr]   Downloaded futures-task v0.3.18
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[INFO] [stderr]   Downloaded futures-core v0.3.18
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[INFO] [stderr]   Downloaded tokio-macros v1.6.0
[INFO] [stderr]   Downloaded bdaddr v0.2.0-alpha.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
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[INFO] [stderr]   Downloaded bytes v1.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
[INFO] [stderr]   Downloaded async-stream v0.3.2
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[INFO] [stderr]   Downloaded futures-util v0.3.18
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded tokio v1.14.0
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c9137d3f80f1eb6ba0de7f5db48c7d161c19cd1401fc0fd063a223539426b11
[INFO] running `Command { std: "docker" "start" "-a" "2c9137d3f80f1eb6ba0de7f5db48c7d161c19cd1401fc0fd063a223539426b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c9137d3f80f1eb6ba0de7f5db48c7d161c19cd1401fc0fd063a223539426b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9137d3f80f1eb6ba0de7f5db48c7d161c19cd1401fc0fd063a223539426b11", kill_on_drop: false }`
[INFO] [stdout] 2c9137d3f80f1eb6ba0de7f5db48c7d161c19cd1401fc0fd063a223539426b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e7875721b8a197c0cf91bdc39e13b71d0c0635e050a40c8d26f6975814176d0
[INFO] running `Command { std: "docker" "start" "-a" "8e7875721b8a197c0cf91bdc39e13b71d0c0635e050a40c8d26f6975814176d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking bdaddr v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking att v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]  --> src/packet/impls.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{Extend, FromIterator};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Extend` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stdout] warning: trait `AssertUnpack` is never used
[INFO] [stdout]    --> src/packet.rs:561:15
[INFO] [stdout]     |
[INFO] [stdout] 561 |           trait AssertUnpack: Packet + Unpack + Sized {}
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 602 | / device_recv![
[INFO] [stdout] 603 | |     ExchangeMtuRequest,
[INFO] [stdout] 604 | |     FindInformationRequest,
[INFO] [stdout] 605 | |     FindByTypeValueRequest,
[INFO] [stdout] ...   |
[INFO] [stdout] 616 | |     HandleValueConfirmation,
[INFO] [stdout] 617 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `device_recv` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]  --> src/packet/impls.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{Extend, FromIterator};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Extend` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertUnpack` is never used
[INFO] [stdout]    --> src/packet.rs:561:15
[INFO] [stdout]     |
[INFO] [stdout] 561 |           trait AssertUnpack: Packet + Unpack + Sized {}
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 602 | / device_recv![
[INFO] [stdout] 603 | |     ExchangeMtuRequest,
[INFO] [stdout] 604 | |     FindInformationRequest,
[INFO] [stdout] 605 | |     FindByTypeValueRequest,
[INFO] [stdout] ...   |
[INFO] [stdout] 616 | |     HandleValueConfirmation,
[INFO] [stdout] 617 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `device_recv` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "8e7875721b8a197c0cf91bdc39e13b71d0c0635e050a40c8d26f6975814176d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7875721b8a197c0cf91bdc39e13b71d0c0635e050a40c8d26f6975814176d0", kill_on_drop: false }`
[INFO] [stdout] 8e7875721b8a197c0cf91bdc39e13b71d0c0635e050a40c8d26f6975814176d0
[INFO] checking att-0.3.0-alpha.1 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate att 0.3.0-alpha.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate att 0.3.0-alpha.1 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate att 0.3.0-alpha.1
[INFO] finished tweaking crates.io crate att 0.3.0-alpha.1
[INFO] tweaked toml for crates.io crate att 0.3.0-alpha.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate att 0.3.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df4d1b451824edcf6a9f4188745d9c3e46ee0310406532a5db64cf0dcbd1051e
[INFO] running `Command { std: "docker" "start" "-a" "df4d1b451824edcf6a9f4188745d9c3e46ee0310406532a5db64cf0dcbd1051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df4d1b451824edcf6a9f4188745d9c3e46ee0310406532a5db64cf0dcbd1051e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4d1b451824edcf6a9f4188745d9c3e46ee0310406532a5db64cf0dcbd1051e", kill_on_drop: false }`
[INFO] [stdout] df4d1b451824edcf6a9f4188745d9c3e46ee0310406532a5db64cf0dcbd1051e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d154ad26a83650317e58bb124b0401dc09d683fdc4647d7a1bf1477b6e96547
[INFO] running `Command { std: "docker" "start" "-a" "4d154ad26a83650317e58bb124b0401dc09d683fdc4647d7a1bf1477b6e96547", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking bdaddr v0.2.0-alpha.4
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking att v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]  --> src/packet/impls.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{Extend, FromIterator};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Extend` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stdout] warning: trait `AssertUnpack` is never used
[INFO] [stdout]    --> src/packet.rs:561:15
[INFO] [stdout]     |
[INFO] [stdout] 561 |           trait AssertUnpack: Packet + Unpack + Sized {}
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 602 | / device_recv![
[INFO] [stdout] 603 | |     ExchangeMtuRequest,
[INFO] [stdout] 604 | |     FindInformationRequest,
[INFO] [stdout] 605 | |     FindByTypeValueRequest,
[INFO] [stdout] ...   |
[INFO] [stdout] 616 | |     HandleValueConfirmation,
[INFO] [stdout] 617 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `device_recv` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]  --> src/packet/impls.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{Extend, FromIterator};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Extend` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertUnpack` is never used
[INFO] [stdout]    --> src/packet.rs:561:15
[INFO] [stdout]     |
[INFO] [stdout] 561 |           trait AssertUnpack: Packet + Unpack + Sized {}
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 602 | / device_recv![
[INFO] [stdout] 603 | |     ExchangeMtuRequest,
[INFO] [stdout] 604 | |     FindInformationRequest,
[INFO] [stdout] 605 | |     FindByTypeValueRequest,
[INFO] [stdout] ...   |
[INFO] [stdout] 616 | |     HandleValueConfirmation,
[INFO] [stdout] 617 | | ];
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `device_recv` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.60s
[INFO] running `Command { std: "docker" "inspect" "4d154ad26a83650317e58bb124b0401dc09d683fdc4647d7a1bf1477b6e96547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d154ad26a83650317e58bb124b0401dc09d683fdc4647d7a1bf1477b6e96547", kill_on_drop: false }`
[INFO] [stdout] 4d154ad26a83650317e58bb124b0401dc09d683fdc4647d7a1bf1477b6e96547
