[INFO] fetching crate dbus-async 2.3.1...
[INFO] testing dbus-async-2.3.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate dbus-async 2.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dbus-async 2.3.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbus-async 2.3.1
[INFO] finished tweaking crates.io crate dbus-async 2.3.1
[INFO] tweaked toml for crates.io crate dbus-async 2.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate dbus-async 2.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76626740ae571a6d56c1491294032ad4059ddf032148f01475dde8f94f246a1
[INFO] running `Command { std: "docker" "start" "-a" "c76626740ae571a6d56c1491294032ad4059ddf032148f01475dde8f94f246a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76626740ae571a6d56c1491294032ad4059ddf032148f01475dde8f94f246a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76626740ae571a6d56c1491294032ad4059ddf032148f01475dde8f94f246a1", kill_on_drop: false }`
[INFO] [stdout] c76626740ae571a6d56c1491294032ad4059ddf032148f01475dde8f94f246a1
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4906d16cb20656f48f28f387675c3ca99a1b1b48389a5b01d4c5280c4169de8d
[INFO] running `Command { std: "docker" "start" "-a" "4906d16cb20656f48f28f387675c3ca99a1b1b48389a5b01d4c5280c4169de8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling retain_mut v0.1.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lru v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling dbus-server-address-parser v1.0.1
[INFO] [stderr]    Compiling dbus-message-parser v4.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling dbus-async v2.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/connection/message/signal.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |             list.retain_mut(move |(filter, sender)| {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.70s
[INFO] running `Command { std: "docker" "inspect" "4906d16cb20656f48f28f387675c3ca99a1b1b48389a5b01d4c5280c4169de8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4906d16cb20656f48f28f387675c3ca99a1b1b48389a5b01d4c5280c4169de8d", kill_on_drop: false }`
[INFO] [stdout] 4906d16cb20656f48f28f387675c3ca99a1b1b48389a5b01d4c5280c4169de8d
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2acf46784bb76287ae6977ead86eb3a546c018a71cfc01350684a37a38ece76b
[INFO] running `Command { std: "docker" "start" "-a" "2acf46784bb76287ae6977ead86eb3a546c018a71cfc01350684a37a38ece76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling dbus-async v2.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/connection/message/signal.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |             list.retain_mut(move |(filter, sender)| {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/connection/message/signal.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |             list.retain_mut(move |(filter, sender)| {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `retain_mut(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dbus-async`; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name dbus_async --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=a24eefe9d798073b -C extra-filename=-a24eefe9d798073b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-7428bae89ef77942.so --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-56d4b163a640729f.so --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-610a73087f46ba3b.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-44851e2768c88cca.rlib --extern dbus_message_parser=/opt/rustwide/target/debug/deps/libdbus_message_parser-7dcf60a476e28645.rlib --extern dbus_server_address_parser=/opt/rustwide/target/debug/deps/libdbus_server_address_parser-89303362b7b8f61a.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-68bcfcd4a2865503.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-edafc8b2917f78c9.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-d6b1c74255132726.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-85f4ca97e1cbe80a.rlib --extern lru=/opt/rustwide/target/debug/deps/liblru-67b5a607fba7c3c1.rlib --extern retain_mut=/opt/rustwide/target/debug/deps/libretain_mut-3a5b9d68bf6ea550.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-cc9fdff9f6bec88f.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-817c9777fd72cdd4.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2acf46784bb76287ae6977ead86eb3a546c018a71cfc01350684a37a38ece76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2acf46784bb76287ae6977ead86eb3a546c018a71cfc01350684a37a38ece76b", kill_on_drop: false }`
[INFO] [stdout] 2acf46784bb76287ae6977ead86eb3a546c018a71cfc01350684a37a38ece76b