[INFO] fetching crate schedule_recv 0.1.0...
[INFO] checking schedule_recv-0.1.0 against beta for pr-78714
[INFO] extracting crate schedule_recv 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate schedule_recv 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 schedule_recv 0.1.0
[INFO] finished tweaking crates.io crate schedule_recv 0.1.0
[INFO] tweaked toml for crates.io crate schedule_recv 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c63d7d5bbe9c0adff152d1459e4fa91c611a9bee8e21b3fc46e0548bbd34021
[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" "0c63d7d5bbe9c0adff152d1459e4fa91c611a9bee8e21b3fc46e0548bbd34021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c63d7d5bbe9c0adff152d1459e4fa91c611a9bee8e21b3fc46e0548bbd34021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c63d7d5bbe9c0adff152d1459e4fa91c611a9bee8e21b3fc46e0548bbd34021", kill_on_drop: false }`
[INFO] [stdout] 0c63d7d5bbe9c0adff152d1459e4fa91c611a9bee8e21b3fc46e0548bbd34021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd3a052ff74b5e5404a8917737e16791fd1d391f4c2c4407d91a7de1a4f93c64
[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" "fd3a052ff74b5e5404a8917737e16791fd1d391f4c2c4407d91a7de1a4f93c64", kill_on_drop: false }`
[INFO] [stderr]     Checking schedule_recv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/scheduler.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | / lazy_static! {
[INFO] [stdout] 125 | |     static ref SCHEDULER_INTERFACE : Mutex<SchedulingInterface> = {
[INFO] [stdout] 126 | |         let (sender, receiver) = channel();
[INFO] [stdout] 127 | |         let trigger = Arc::new(Condvar::new());
[INFO] [stdout] ...   |
[INFO] [stdout] 139 | |     };
[INFO] [stdout] 140 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/scheduler.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | / lazy_static! {
[INFO] [stdout] 125 | |     static ref SCHEDULER_INTERFACE : Mutex<SchedulingInterface> = {
[INFO] [stdout] 126 | |         let (sender, receiver) = channel();
[INFO] [stdout] 127 | |         let trigger = Arc::new(Condvar::new());
[INFO] [stdout] ...   |
[INFO] [stdout] 139 | |     };
[INFO] [stdout] 140 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "fd3a052ff74b5e5404a8917737e16791fd1d391f4c2c4407d91a7de1a4f93c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3a052ff74b5e5404a8917737e16791fd1d391f4c2c4407d91a7de1a4f93c64", kill_on_drop: false }`
[INFO] [stdout] fd3a052ff74b5e5404a8917737e16791fd1d391f4c2c4407d91a7de1a4f93c64