[INFO] cloning repository https://github.com/sigmaris/avcontrol-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigmaris/avcontrol-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigmaris%2Favcontrol-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigmaris%2Favcontrol-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f696da06fd063a30c2210b21304d185b6f066178
[INFO] checking sigmaris/avcontrol-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigmaris%2Favcontrol-rs" "/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/sigmaris/avcontrol-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigmaris/avcontrol-rs
[INFO] finished tweaking git repo https://github.com/sigmaris/avcontrol-rs
[INFO] tweaked toml for git repo https://github.com/sigmaris/avcontrol-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sigmaris/avcontrol-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio-serial v3.3.0
[INFO] [stderr]   Downloaded mqtt-protocol v0.8.1
[INFO] [stderr]   Downloaded tokio-serial v4.3.3
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20c84855a84dad224dcaa1981e562e5eaa4c4c7a0225bf2cad373fad1054683a
[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" "20c84855a84dad224dcaa1981e562e5eaa4c4c7a0225bf2cad373fad1054683a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c84855a84dad224dcaa1981e562e5eaa4c4c7a0225bf2cad373fad1054683a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c84855a84dad224dcaa1981e562e5eaa4c4c7a0225bf2cad373fad1054683a", kill_on_drop: false }`
[INFO] [stdout] 20c84855a84dad224dcaa1981e562e5eaa4c4c7a0225bf2cad373fad1054683a
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1d4914aca2b6c432ca2b004a49e126124fa7fb43c8ae3ef507a0748c37a2fa3
[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" "f1d4914aca2b6c432ca2b004a49e126124fa7fb43c8ae3ef507a0748c37a2fa3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking mio-serial v3.3.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking tokio-serial v4.3.3
[INFO] [stderr]     Checking mqtt-protocol v0.8.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking avcontrol-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ClearBuffer`, `SerialPort`
[INFO] [stdout]   --> src/serial.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio_serial::{ClearBuffer, DataBits, FlowControl, Parity, Serial, SerialPort, SerialPortSettings, StopBits};
[INFO] [stdout]    |                    ^^^^^^^^^^^                                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "f1d4914aca2b6c432ca2b004a49e126124fa7fb43c8ae3ef507a0748c37a2fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d4914aca2b6c432ca2b004a49e126124fa7fb43c8ae3ef507a0748c37a2fa3", kill_on_drop: false }`
[INFO] [stdout] f1d4914aca2b6c432ca2b004a49e126124fa7fb43c8ae3ef507a0748c37a2fa3