[INFO] cloning repository https://github.com/46bit/comms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/46bit/comms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F46bit%2Fcomms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F46bit%2Fcomms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d96ab1c55c57c5ae6d84e9064756cabe32135c4
[INFO] checking 46bit/comms against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F46bit%2Fcomms" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/46bit/comms 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/46bit/comms
[INFO] finished tweaking git repo https://github.com/46bit/comms
[INFO] tweaked toml for git repo https://github.com/46bit/comms written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/46bit/comms 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1b43a8c8eed06a59589655f1e318f42e5bbe9fd35e2d1d76ddfa04b6d4552cd6
[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" "1b43a8c8eed06a59589655f1e318f42e5bbe9fd35e2d1d76ddfa04b6d4552cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b43a8c8eed06a59589655f1e318f42e5bbe9fd35e2d1d76ddfa04b6d4552cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b43a8c8eed06a59589655f1e318f42e5bbe9fd35e2d1d76ddfa04b6d4552cd6", kill_on_drop: false }`
[INFO] [stdout] 1b43a8c8eed06a59589655f1e318f42e5bbe9fd35e2d1d76ddfa04b6d4552cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6f37c9b63b71500b899a21296c3f0191cedc6a220a266c7b2c370eae07d32943
[INFO] running `Command { std: "docker" "start" "-a" "6f37c9b63b71500b899a21296c3f0191cedc6a220a266c7b2c370eae07d32943", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-timer v0.1.1
[INFO] [stderr]     Checking comms v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn update_status(self) -> Box<Future<Item = (Option<C::Item>, Self), Error = Self>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Option<C::Item>, Self), Error = Self>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn unpark_noop() -> Arc<executor::Unpark> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn executor::Unpark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.93s
[INFO] running `Command { std: "docker" "inspect" "6f37c9b63b71500b899a21296c3f0191cedc6a220a266c7b2c370eae07d32943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f37c9b63b71500b899a21296c3f0191cedc6a220a266c7b2c370eae07d32943", kill_on_drop: false }`
[INFO] [stdout] 6f37c9b63b71500b899a21296c3f0191cedc6a220a266c7b2c370eae07d32943