[INFO] cloning repository https://github.com/jcbhl/pm5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcbhl/pm5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcbhl%2Fpm5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcbhl%2Fpm5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ba5f3289766346e5aa2b6761acfefabd0bb8591
[INFO] testing jcbhl/pm5 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcbhl%2Fpm5" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcbhl/pm5 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcbhl/pm5
[INFO] finished tweaking git repo https://github.com/jcbhl/pm5
[INFO] tweaked toml for git repo https://github.com/jcbhl/pm5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jcbhl/pm5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbus-tokio v0.7.5
[INFO] [stderr]   Downloaded bluez-generated v0.2.1
[INFO] [stderr]   Downloaded displaydoc v0.2.3
[INFO] [stderr]   Downloaded btleplug v0.9.0
[INFO] [stderr]   Downloaded dbus v0.9.5
[INFO] [stderr]   Downloaded bluez-async v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39bce483e0859d77cd45c152f174a7c0c84727e428adfd7d11a06519d71ff306
[INFO] running `Command { std: "docker" "start" "-a" "39bce483e0859d77cd45c152f174a7c0c84727e428adfd7d11a06519d71ff306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39bce483e0859d77cd45c152f174a7c0c84727e428adfd7d11a06519d71ff306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bce483e0859d77cd45c152f174a7c0c84727e428adfd7d11a06519d71ff306", kill_on_drop: false }`
[INFO] [stdout] 39bce483e0859d77cd45c152f174a7c0c84727e428adfd7d11a06519d71ff306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b40d4a11420e564b7a1e8df9a6612527b0119a48fa634a9ae85733df89bf077d
[INFO] running `Command { std: "docker" "start" "-a" "b40d4a11420e564b7a1e8df9a6612527b0119a48fa634a9ae85733df89bf077d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling btleplug v0.9.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling serde-xml-rs v0.5.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.6
[INFO] [stderr]    Compiling dbus v0.9.5
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling num_enum v0.5.6
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling dbus-tokio v0.7.5
[INFO] [stderr]    Compiling bluez-generated v0.2.1
[INFO] [stderr]    Compiling bluez-async v0.5.2
[INFO] [stderr]    Compiling pm5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `set_sample_rate`
[INFO] [stdout]    --> src/main.rs:161:10
[INFO] [stdout]     |
[INFO] [stdout] 161 | async fn set_sample_rate(pm5: &Peripheral, target: u8) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]   --> src/responses.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn from_bytes(b: &[u8]) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pm5` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b40d4a11420e564b7a1e8df9a6612527b0119a48fa634a9ae85733df89bf077d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40d4a11420e564b7a1e8df9a6612527b0119a48fa634a9ae85733df89bf077d", kill_on_drop: false }`
[INFO] [stdout] b40d4a11420e564b7a1e8df9a6612527b0119a48fa634a9ae85733df89bf077d