[INFO] fetching crate eventually-util 0.4.0...
[INFO] testing eventually-util-0.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate eventually-util 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate eventually-util 0.4.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eventually-util 0.4.0
[INFO] finished tweaking crates.io crate eventually-util 0.4.0
[INFO] tweaked toml for crates.io crate eventually-util 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] facda25d07894d1f3c0d2fd3c38cf5fd894682ef759ca02f564df42f97680d60
[INFO] running `Command { std: "docker" "start" "-a" "facda25d07894d1f3c0d2fd3c38cf5fd894682ef759ca02f564df42f97680d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "facda25d07894d1f3c0d2fd3c38cf5fd894682ef759ca02f564df42f97680d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facda25d07894d1f3c0d2fd3c38cf5fd894682ef759ca02f564df42f97680d60", kill_on_drop: false }`
[INFO] [stdout] facda25d07894d1f3c0d2fd3c38cf5fd894682ef759ca02f564df42f97680d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae839ecf7ed5ed2388e17afe6927b3dcbbe96d71398c32a1d396888aa694cc51
[INFO] running `Command { std: "docker" "start" "-a" "ae839ecf7ed5ed2388e17afe6927b3dcbbe96d71398c32a1d396888aa694cc51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling eventually-core v0.4.0
[INFO] [stderr]    Compiling eventually-util v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.14s
[INFO] running `Command { std: "docker" "inspect" "ae839ecf7ed5ed2388e17afe6927b3dcbbe96d71398c32a1d396888aa694cc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae839ecf7ed5ed2388e17afe6927b3dcbbe96d71398c32a1d396888aa694cc51", kill_on_drop: false }`
[INFO] [stdout] ae839ecf7ed5ed2388e17afe6927b3dcbbe96d71398c32a1d396888aa694cc51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1be8677b9ec29aea27d93e0c0406a00124184f18adf31775ba8d0e0763cbc8de
[INFO] running `Command { std: "docker" "start" "-a" "1be8677b9ec29aea27d93e0c0406a00124184f18adf31775ba8d0e0763cbc8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling eventually-util v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/inmemory/store.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         tokio::join!(join_handle_1, join_handle_2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `$crate::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]    --> src/inmemory/store.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |         tokio::join!(join_handle_1, join_handle_2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `$crate::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "1be8677b9ec29aea27d93e0c0406a00124184f18adf31775ba8d0e0763cbc8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be8677b9ec29aea27d93e0c0406a00124184f18adf31775ba8d0e0763cbc8de", kill_on_drop: false }`
[INFO] [stdout] 1be8677b9ec29aea27d93e0c0406a00124184f18adf31775ba8d0e0763cbc8de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0eb84b1041964017984267e674a058ba328d8c25c379ba918bc107e54e992c9b
[INFO] running `Command { std: "docker" "start" "-a" "0eb84b1041964017984267e674a058ba328d8c25c379ba918bc107e54e992c9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stderr]    --> src/inmemory/store.rs:479:9
[INFO] [stderr]     |
[INFO] [stderr] 479 |         tokio::join!(join_handle_1, join_handle_2);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `$crate::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]    --> src/inmemory/store.rs:479:9
[INFO] [stderr]     |
[INFO] [stderr] 479 |         tokio::join!(join_handle_1, join_handle_2);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `$crate::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `eventually-util` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eventually_util-326309c4acd9d143)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test inmemory::store::tests::append_with_any_versions_works ... ok
[INFO] [stdout] test inmemory::store::tests::append_with_expected_versions_works ... ok
[INFO] [stdout] test inmemory::store::tests::remove ... ok
[INFO] [stdout] test inmemory::store::tests::append_with_wrong_expected_versions_fails ... ok
[INFO] [stdout] test inmemory::store::tests::stream ... ok
[INFO] [stdout] test inmemory::store::tests::stream_all ... ok
[INFO] [stdout] test inmemory::store::tests::subscribe_returns_all_the_latest_events ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eventually-util
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0eb84b1041964017984267e674a058ba328d8c25c379ba918bc107e54e992c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb84b1041964017984267e674a058ba328d8c25c379ba918bc107e54e992c9b", kill_on_drop: false }`
[INFO] [stdout] 0eb84b1041964017984267e674a058ba328d8c25c379ba918bc107e54e992c9b