[INFO] cloning repository https://github.com/FennemaRL/ConnectionReader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FennemaRL/ConnectionReader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFennemaRL%2FConnectionReader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFennemaRL%2FConnectionReader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2155ed9bbebc388294a6b7e4dd8ff50007549d96
[INFO] checking FennemaRL/ConnectionReader against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFennemaRL%2FConnectionReader" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FennemaRL/ConnectionReader on toolchain e652caa679a304af11fc04f1f12452f255a82593
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FennemaRL/ConnectionReader
[INFO] finished tweaking git repo https://github.com/FennemaRL/ConnectionReader
[INFO] tweaked toml for git repo https://github.com/FennemaRL/ConnectionReader written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/FennemaRL/ConnectionReader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags2 v0.7.1
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.0
[INFO] [stderr]   Downloaded bluez v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b22b7d817f4e8b5aedd308265ca8841a7671b48797dffd73533c08d1f98d328c
[INFO] running `Command { std: "docker" "start" "-a" "b22b7d817f4e8b5aedd308265ca8841a7671b48797dffd73533c08d1f98d328c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b22b7d817f4e8b5aedd308265ca8841a7671b48797dffd73533c08d1f98d328c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22b7d817f4e8b5aedd308265ca8841a7671b48797dffd73533c08d1f98d328c", kill_on_drop: false }`
[INFO] [stdout] b22b7d817f4e8b5aedd308265ca8841a7671b48797dffd73533c08d1f98d328c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3dc6465d9abd34e4833e406248d43c96cc9f4b4cdadca5610e02b2005ff0eba
[INFO] running `Command { std: "docker" "start" "-a" "d3dc6465d9abd34e4833e406248d43c96cc9f4b4cdadca5610e02b2005ff0eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
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[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]     Checking waker-fn v1.1.0
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
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[INFO] [stderr]     Checking futures-sink v0.3.15
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[INFO] [stderr]    Compiling futures-macro v0.3.15
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enumflags2_derive v0.7.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling tokio-macros v1.2.0
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[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt, io};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt, io};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 | /                         tx.send(ShortbtData{
[INFO] [stdout] 48 | |                             address: info.address,
[INFO] [stdout] 49 | |                             short_name: short_name.clone(),
[INFO] [stdout] 50 | |                             bluetooth_version: info.bluetooth_version,
[INFO] [stdout] 51 | |                             name: name.clone()
[INFO] [stdout] 52 | |                         });
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 | /                 tx.send(ShortbtData{
[INFO] [stdout] 64 | |                     address: Address::new([0,0,0,0,0,0]),
[INFO] [stdout] 65 | |                     name: null.clone(),
[INFO] [stdout] 66 | |                     short_name:null.clone(),
[INFO] [stdout] 67 | |                     bluetooth_version: 0,
[INFO] [stdout] 68 | |                 });
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 | /                         tx.send(ShortbtData{
[INFO] [stdout] 48 | |                             address: info.address,
[INFO] [stdout] 49 | |                             short_name: short_name.clone(),
[INFO] [stdout] 50 | |                             bluetooth_version: info.bluetooth_version,
[INFO] [stdout] 51 | |                             name: name.clone()
[INFO] [stdout] 52 | |                         });
[INFO] [stdout]    | |___________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 | /                 tx.send(ShortbtData{
[INFO] [stdout] 64 | |                     address: Address::new([0,0,0,0,0,0]),
[INFO] [stdout] 65 | |                     name: null.clone(),
[INFO] [stdout] 66 | |                     short_name:null.clone(),
[INFO] [stdout] 67 | |                     bluetooth_version: 0,
[INFO] [stdout] 68 | |                 });
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `Command { std: "docker" "inspect" "d3dc6465d9abd34e4833e406248d43c96cc9f4b4cdadca5610e02b2005ff0eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3dc6465d9abd34e4833e406248d43c96cc9f4b4cdadca5610e02b2005ff0eba", kill_on_drop: false }`
[INFO] [stdout] d3dc6465d9abd34e4833e406248d43c96cc9f4b4cdadca5610e02b2005ff0eba