[INFO] fetching crate dbus-async 2.3.1...
[INFO] testing dbus-async-2.3.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate dbus-async 2.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate dbus-async 2.3.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-11/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded retain_mut v0.1.5
[INFO] [stderr]   Downloaded lru v0.7.0
[INFO] [stderr]   Downloaded dbus-server-address-parser v1.0.1
[INFO] [stderr]   Downloaded dbus-message-parser v4.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d73dc8677754b4845f34c8ccdc11cd6f4c2c8c47c51e1bebdc67d9177619dc7d
[INFO] running `Command { std: "docker" "start" "-a" "d73dc8677754b4845f34c8ccdc11cd6f4c2c8c47c51e1bebdc67d9177619dc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d73dc8677754b4845f34c8ccdc11cd6f4c2c8c47c51e1bebdc67d9177619dc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73dc8677754b4845f34c8ccdc11cd6f4c2c8c47c51e1bebdc67d9177619dc7d", kill_on_drop: false }`
[INFO] [stdout] d73dc8677754b4845f34c8ccdc11cd6f4c2c8c47c51e1bebdc67d9177619dc7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d954e135e4406908b0fc3f193407695fe6675b71722a37181f8c9ab89e565f79
[INFO] running `Command { std: "docker" "start" "-a" "d954e135e4406908b0fc3f193407695fe6675b71722a37181f8c9ab89e565f79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling retain_mut v0.1.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lru v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[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 futures-util v0.3.17
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling dbus-message-parser v4.3.1
[INFO] [stderr]    Compiling dbus-server-address-parser v1.0.1
[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 12.68s
[INFO] running `Command { std: "docker" "inspect" "d954e135e4406908b0fc3f193407695fe6675b71722a37181f8c9ab89e565f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d954e135e4406908b0fc3f193407695fe6675b71722a37181f8c9ab89e565f79", kill_on_drop: false }`
[INFO] [stdout] d954e135e4406908b0fc3f193407695fe6675b71722a37181f8c9ab89e565f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd1a1e029da7b8bfbed3fbd116ecdcf1ae34734d5db7d77581d556a248143f2
[INFO] running `Command { std: "docker" "start" "-a" "2bd1a1e029da7b8bfbed3fbd116ecdcf1ae34734d5db7d77581d556a248143f2", 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`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name track_interfaces --edition=2018 examples/track_interfaces.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=d2faa9e056fe6816 -C extra-filename=-d2faa9e056fe6816 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_recursion=/opt/rustwide/target/debug/deps/libasync_recursion-9048161a1579775a.so --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-9df1ec1388a710dc.so --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1693f043aa7c36ab.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-15b4425b0ed3b764.rlib --extern dbus_async=/opt/rustwide/target/debug/deps/libdbus_async-da381790bf3cf575.rlib --extern dbus_message_parser=/opt/rustwide/target/debug/deps/libdbus_message_parser-e7f93779ff4711e4.rlib --extern dbus_server_address_parser=/opt/rustwide/target/debug/deps/libdbus_server_address_parser-171aaf52df493df1.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-a64c05de0d6b9168.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-49936c98b71e5753.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-7a060ea7f93b7aa4.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-b6c99e3b18835146.rlib --extern lru=/opt/rustwide/target/debug/deps/liblru-f543490c6c3a0b6b.rlib --extern retain_mut=/opt/rustwide/target/debug/deps/libretain_mut-32a6089f5d6e6888.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-786c0e7a3f69e98c.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-5215bf2a62d5bc54.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" "2bd1a1e029da7b8bfbed3fbd116ecdcf1ae34734d5db7d77581d556a248143f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd1a1e029da7b8bfbed3fbd116ecdcf1ae34734d5db7d77581d556a248143f2", kill_on_drop: false }`
[INFO] [stdout] 2bd1a1e029da7b8bfbed3fbd116ecdcf1ae34734d5db7d77581d556a248143f2