[INFO] fetching crate buffer-trigger 0.6.0...
[INFO] testing buffer-trigger-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate buffer-trigger 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate buffer-trigger 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffer-trigger 0.6.0
[INFO] finished tweaking crates.io crate buffer-trigger 0.6.0
[INFO] tweaked toml for crates.io crate buffer-trigger 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbbcd2a08debe368b4b732fb851635fc6c7de326cdb5df777bf1362ecd2ade84
[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" "dbbcd2a08debe368b4b732fb851635fc6c7de326cdb5df777bf1362ecd2ade84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbbcd2a08debe368b4b732fb851635fc6c7de326cdb5df777bf1362ecd2ade84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbcd2a08debe368b4b732fb851635fc6c7de326cdb5df777bf1362ecd2ade84", kill_on_drop: false }`
[INFO] [stdout] dbbcd2a08debe368b4b732fb851635fc6c7de326cdb5df777bf1362ecd2ade84
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1ee3134f2687c1167bc469c95fb557a2b18bdadcbe497c89ead96e5dffa1881
[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" "b1ee3134f2687c1167bc469c95fb557a2b18bdadcbe497c89ead96e5dffa1881", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling lifetime-thread v0.2.3
[INFO] [stderr]    Compiling buffer-trigger v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stdout]  --> src/buffer_trigger_async/general/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stdout]  --> src/buffer_trigger_async/general/mod.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stdout]   --> src/buffer_trigger_async/general/mod.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     sender: Mutex<Sender<()>>,
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stdout]   --> src/buffer_trigger_async/general/mod.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     receiver: Mutex<Receiver<()>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `async_std::sync::channel`: new channel api at async_std::channel
[INFO] [stdout]    --> src/buffer_trigger_async/general/builder.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let (sender, receiver) = sync::channel(10);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.29s
[INFO] running `Command { std: "docker" "inspect" "b1ee3134f2687c1167bc469c95fb557a2b18bdadcbe497c89ead96e5dffa1881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ee3134f2687c1167bc469c95fb557a2b18bdadcbe497c89ead96e5dffa1881", kill_on_drop: false }`
[INFO] [stdout] b1ee3134f2687c1167bc469c95fb557a2b18bdadcbe497c89ead96e5dffa1881
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b724a75cdd1fbf13af2bf16a7830fb6e1e3ce8e293405a3e6e08043a86fef0
[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" "a7b724a75cdd1fbf13af2bf16a7830fb6e1e3ce8e293405a3e6e08043a86fef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stdout]  --> src/buffer_trigger_async/general/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stdout]  --> src/buffer_trigger_async/general/mod.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stdout]   --> src/buffer_trigger_async/general/mod.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     sender: Mutex<Sender<()>>,
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stdout]   --> src/buffer_trigger_async/general/mod.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     receiver: Mutex<Receiver<()>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `async_std::sync::channel`: new channel api at async_std::channel
[INFO] [stdout]    --> src/buffer_trigger_async/general/builder.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let (sender, receiver) = sync::channel(10);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling buffer-trigger v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stdout]  --> src/buffer_trigger_async/general/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stdout]  --> src/buffer_trigger_async/general/mod.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stdout]   --> src/buffer_trigger_async/general/mod.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     sender: Mutex<Sender<()>>,
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stdout]   --> src/buffer_trigger_async/general/mod.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     receiver: Mutex<Receiver<()>>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `async_std::sync::channel`: new channel api at async_std::channel
[INFO] [stdout]    --> src/buffer_trigger_async/general/builder.rs:136:34
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let (sender, receiver) = sync::channel(10);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "a7b724a75cdd1fbf13af2bf16a7830fb6e1e3ce8e293405a3e6e08043a86fef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b724a75cdd1fbf13af2bf16a7830fb6e1e3ce8e293405a3e6e08043a86fef0", kill_on_drop: false }`
[INFO] [stdout] a7b724a75cdd1fbf13af2bf16a7830fb6e1e3ce8e293405a3e6e08043a86fef0
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 715e75550d16808d7ac8ab389d22b837dc207670fe6ad6fe1f511321b56855d0
[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" "715e75550d16808d7ac8ab389d22b837dc207670fe6ad6fe1f511321b56855d0", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stderr]  --> src/buffer_trigger_async/general/mod.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     warnings,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stderr]  --> src/buffer_trigger_async/general/mod.rs:2:37
[INFO] [stderr]   |
[INFO] [stderr] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stderr]   |                                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stderr]   --> src/buffer_trigger_async/general/mod.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     sender: Mutex<Sender<()>>,
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stderr]   --> src/buffer_trigger_async/general/mod.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |     receiver: Mutex<Receiver<()>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `async_std::sync::channel`: new channel api at async_std::channel
[INFO] [stderr]    --> src/buffer_trigger_async/general/builder.rs:136:34
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let (sender, receiver) = sync::channel(10);
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stderr]  --> src/buffer_trigger_async/general/mod.rs:2:19
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stdout] 
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     warnings,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stderr]  --> src/buffer_trigger_async/general/mod.rs:2:37
[INFO] [stderr]   |
[INFO] [stderr] 2 |     sync::{Mutex, Receiver, RwLock, Sender},
[INFO] [stderr]   |                                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Sender`: new channel api at async_std::channel
[INFO] [stderr]   --> src/buffer_trigger_async/general/mod.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     sender: Mutex<Sender<()>>,
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `async_std::sync::Receiver`: new channel api at async_std::channel
[INFO] [stderr]   --> src/buffer_trigger_async/general/mod.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |     receiver: Mutex<Receiver<()>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `async_std::sync::channel`: new channel api at async_std::channel
[INFO] [stderr]    --> src/buffer_trigger_async/general/builder.rs:136:34
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let (sender, receiver) = sync::channel(10);
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buffer_trigger-73c2d4d39e424152
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-c696ff33ef0f016a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests buffer-trigger
[INFO] [stdout] test simple_test ... ok
[INFO] [stdout] test async_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "715e75550d16808d7ac8ab389d22b837dc207670fe6ad6fe1f511321b56855d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715e75550d16808d7ac8ab389d22b837dc207670fe6ad6fe1f511321b56855d0", kill_on_drop: false }`
[INFO] [stdout] 715e75550d16808d7ac8ab389d22b837dc207670fe6ad6fe1f511321b56855d0