[INFO] fetching crate jack-mixer 0.1.0...
[INFO] checking jack-mixer-0.1.0 against beta for pr-78714
[INFO] extracting crate jack-mixer 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate jack-mixer 0.1.0 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 jack-mixer 0.1.0
[INFO] finished tweaking crates.io crate jack-mixer 0.1.0
[INFO] tweaked toml for crates.io crate jack-mixer 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate jack-mixer 0.1.0 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] 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] 57f46c17e0fa3962589cde0121322a6c7067d77546f8d0b52cafb63da49f24b2
[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" "57f46c17e0fa3962589cde0121322a6c7067d77546f8d0b52cafb63da49f24b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57f46c17e0fa3962589cde0121322a6c7067d77546f8d0b52cafb63da49f24b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f46c17e0fa3962589cde0121322a6c7067d77546f8d0b52cafb63da49f24b2", kill_on_drop: false }`
[INFO] [stdout] 57f46c17e0fa3962589cde0121322a6c7067d77546f8d0b52cafb63da49f24b2
[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] [stdout] 77da4f64c69b487b1822504e8513ccf296e9ff4e2eafd41ffd221ca562fba444
[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" "77da4f64c69b487b1822504e8513ccf296e9ff4e2eafd41ffd221ca562fba444", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling standback v0.2.5
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking novation_launch_control v0.1.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking unic-langid-impl v0.8.0
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]     Checking kurbo v0.5.11
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking unic-langid v0.8.0
[INFO] [stderr]     Checking fluent-langneg v0.12.1
[INFO] [stderr]     Checking intl_pluralrules v6.0.0
[INFO] [stderr]     Checking intl-memoizer v0.4.0
[INFO] [stderr]     Checking jack v0.6.2
[INFO] [stderr]     Checking piet v0.0.11
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling druid-derive v0.3.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.10
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking piet-cairo v0.0.11
[INFO] [stderr]     Checking piet-common v0.0.11
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking fluent-bundle v0.11.0
[INFO] [stderr]     Checking druid-shell v0.5.0
[INFO] [stderr]     Checking druid v0.5.0
[INFO] [stderr]     Checking jack-mixer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 38s
[INFO] running `Command { std: "docker" "inspect" "77da4f64c69b487b1822504e8513ccf296e9ff4e2eafd41ffd221ca562fba444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77da4f64c69b487b1822504e8513ccf296e9ff4e2eafd41ffd221ca562fba444", kill_on_drop: false }`
[INFO] [stdout] 77da4f64c69b487b1822504e8513ccf296e9ff4e2eafd41ffd221ca562fba444