[INFO] fetching crate earbuds 0.1.6...
[INFO] checking earbuds-0.1.6 against beta for pr-78714
[INFO] extracting crate earbuds 0.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate earbuds 0.1.6 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 crates.io crate earbuds 0.1.6
[INFO] finished tweaking crates.io crate earbuds 0.1.6
[INFO] tweaked toml for crates.io crate earbuds 0.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate earbuds 0.1.6 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 55766b332022180fd5977c9bda9f525f091391316dad37e2a22b6b4425ea7e14
[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" "55766b332022180fd5977c9bda9f525f091391316dad37e2a22b6b4425ea7e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55766b332022180fd5977c9bda9f525f091391316dad37e2a22b6b4425ea7e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55766b332022180fd5977c9bda9f525f091391316dad37e2a22b6b4425ea7e14", kill_on_drop: false }`
[INFO] [stdout] 55766b332022180fd5977c9bda9f525f091391316dad37e2a22b6b4425ea7e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fdb904521aade51bae6602b689d3d66f58e879bbdc2079fba165fcea92b8cd22
[INFO] running `Command { std: "docker" "start" "-a" "fdb904521aade51bae6602b689d3d66f58e879bbdc2079fba165fcea92b8cd22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling libpulse-sys v1.13.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]    Compiling derive_is_enum_variant v0.1.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking polling v2.0.1
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking libpulse-binding v2.16.2
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking rust-pulsectl v0.2.6
[INFO] [stderr]     Checking blurz v0.4.0
[INFO] [stderr]     Checking notify-rust v4.0.0
[INFO] [stderr]    Compiling darling_core v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ofiles v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.5.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling darling v0.5.0
[INFO] [stderr]    Compiling from_variants_impl v0.4.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking from_variants v0.4.0
[INFO] [stderr]     Checking mpris v2.0.0-rc2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking clap_generate v3.0.0-beta.2
[INFO] [stderr]     Checking bluetooth-serial-port-async v0.6.1
[INFO] [stderr]     Checking galaxy_buds_live_rs v0.1.6
[INFO] [stderr]     Checking earbuds v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "fdb904521aade51bae6602b689d3d66f58e879bbdc2079fba165fcea92b8cd22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb904521aade51bae6602b689d3d66f58e879bbdc2079fba165fcea92b8cd22", kill_on_drop: false }`
[INFO] [stdout] fdb904521aade51bae6602b689d3d66f58e879bbdc2079fba165fcea92b8cd22