[INFO] crate async-slot 0.1.0 is already in cache
[INFO] testing async-slot-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate async-slot 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-slot 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-slot 0.1.0
[INFO] finished tweaking crates.io crate async-slot 0.1.0
[INFO] tweaked toml for crates.io crate async-slot 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] ab539b01106731935d8a46d5fac58087189bc67ad00ba8e85a1f93a9c37df7ae
[INFO] running `Command { std: "docker" "start" "-a" "ab539b01106731935d8a46d5fac58087189bc67ad00ba8e85a1f93a9c37df7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab539b01106731935d8a46d5fac58087189bc67ad00ba8e85a1f93a9c37df7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab539b01106731935d8a46d5fac58087189bc67ad00ba8e85a1f93a9c37df7ae", kill_on_drop: false }`
[INFO] [stdout] ab539b01106731935d8a46d5fac58087189bc67ad00ba8e85a1f93a9c37df7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce1b1eb0c1cc5a18ad8f5ce4c047b8b9fa9aef41fa177bdac75f2e7d5490944
[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" "3ce1b1eb0c1cc5a18ad8f5ce4c047b8b9fa9aef41fa177bdac75f2e7d5490944", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-slot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "3ce1b1eb0c1cc5a18ad8f5ce4c047b8b9fa9aef41fa177bdac75f2e7d5490944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce1b1eb0c1cc5a18ad8f5ce4c047b8b9fa9aef41fa177bdac75f2e7d5490944", kill_on_drop: false }`
[INFO] [stdout] 3ce1b1eb0c1cc5a18ad8f5ce4c047b8b9fa9aef41fa177bdac75f2e7d5490944
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--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] c16696c66056ecfab4ab94327877d4155555cd83e3af2b8b70a82ebd464e54e1
[INFO] running `Command { std: "docker" "start" "-a" "c16696c66056ecfab4ab94327877d4155555cd83e3af2b8b70a82ebd464e54e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-slot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/slot.rs:203:22
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn list() -> Box<Stream<Item=i32, Error=u32>> {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item=i32, Error=u32>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tx` is never read
[INFO] [stdout]    --> tests/slot.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         tx = tx.send(2).wait().unwrap();
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "c16696c66056ecfab4ab94327877d4155555cd83e3af2b8b70a82ebd464e54e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16696c66056ecfab4ab94327877d4155555cd83e3af2b8b70a82ebd464e54e1", kill_on_drop: false }`
[INFO] [stdout] c16696c66056ecfab4ab94327877d4155555cd83e3af2b8b70a82ebd464e54e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] 1ab3459bd4d0973073229c0a1f9a3104b4076026bb2ba5bd5d33cdd4141b89b2
[INFO] running `Command { std: "docker" "start" "-a" "1ab3459bd4d0973073229c0a1f9a3104b4076026bb2ba5bd5d33cdd4141b89b2", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/slot.rs:203:22
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn list() -> Box<Stream<Item=i32, Error=u32>> {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item=i32, Error=u32>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tx` is never read
[INFO] [stderr]    --> tests/slot.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         tx = tx.send(2).wait().unwrap();
[INFO] [stderr]     |         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_slot-511a49e5a41f180f
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slot-b9cb75b4e230b531
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test is_canceled ... ok
[INFO] [stdout] test poll_cancel ... ok
[INFO] [stdout] test send_error ... ok
[INFO] [stdout] test send_shared_recv ... ok
[INFO] [stdout] test send_recv_no_buffer ... ok
[INFO] [stdout] test send_recv_threads ... ok
[INFO] [stdout] test send_recv ... ok
[INFO] [stdout] test swap ... ok
[INFO] [stdout] test tx_close_gets_none ... ok
[INFO] [stdout] test stress_shared_bounded_hard ... ok
[INFO] [stdout] test send_recv_threads_no_capacity ... ok
[INFO] [stdout] test stress_drop_sender ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slot_unsync-e824be2a97aae096
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test poll_cancel ... ok
[INFO] [stderr]    Doc-tests async-slot
[INFO] [stdout] test send_recv ... ok
[INFO] [stdout] test tx_close_gets_none ... ok
[INFO] [stdout] test swap ... ok
[INFO] [stdout] test is_canceled ... ok
[INFO] [stdout] test send_shared_recv ... ok
[INFO] [stdout] test send_recv_no_buffer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/unsync.rs - unsync::channel (line 193) ... ok
[INFO] [stdout] test src/sync.rs - sync::channel (line 213) ... ok
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ab3459bd4d0973073229c0a1f9a3104b4076026bb2ba5bd5d33cdd4141b89b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab3459bd4d0973073229c0a1f9a3104b4076026bb2ba5bd5d33cdd4141b89b2", kill_on_drop: false }`
[INFO] [stdout] 1ab3459bd4d0973073229c0a1f9a3104b4076026bb2ba5bd5d33cdd4141b89b2