[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] 2aa852492e99f298817812ef5831e7053e7e35f7
[INFO] checking sigmaris/avcontrol-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigmaris%2Favcontrol-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigmaris/avcontrol-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+beta" "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 mqtt-protocol v0.8.1
[INFO] [stderr]   Downloaded syslog v5.0.0
[INFO] [stderr]   Downloaded tokio-serial v4.3.3
[INFO] [stderr]   Downloaded mio-serial v3.3.0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2fb395d68c26be66a73ccded3927b726cfd4e217a90f516165b412e8a1d2687
[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" "b2fb395d68c26be66a73ccded3927b726cfd4e217a90f516165b412e8a1d2687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2fb395d68c26be66a73ccded3927b726cfd4e217a90f516165b412e8a1d2687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2fb395d68c26be66a73ccded3927b726cfd4e217a90f516165b412e8a1d2687", kill_on_drop: false }`
[INFO] [stdout] b2fb395d68c26be66a73ccded3927b726cfd4e217a90f516165b412e8a1d2687
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2556374387e684f1826fb7a8d14855fb2f0b475dc6bc182b6fcd161f29641ac8
[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" "2556374387e684f1826fb7a8d14855fb2f0b475dc6bc182b6fcd161f29641ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]    Compiling num_enum_derive v0.4.2
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[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]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking num_enum v0.4.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.0
[INFO] [stderr]     Checking tokio-serial v4.3.3
[INFO] [stderr]     Checking mqtt-protocol v0.8.1
[INFO] [stderr]     Checking avcontrol-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.95s
[INFO] running `Command { std: "docker" "inspect" "2556374387e684f1826fb7a8d14855fb2f0b475dc6bc182b6fcd161f29641ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2556374387e684f1826fb7a8d14855fb2f0b475dc6bc182b6fcd161f29641ac8", kill_on_drop: false }`
[INFO] [stdout] 2556374387e684f1826fb7a8d14855fb2f0b475dc6bc182b6fcd161f29641ac8