[INFO] fetching crate messagebus 0.9.10...
[INFO] testing messagebus-0.9.10 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate messagebus 0.9.10 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate messagebus 0.9.10 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate messagebus 0.9.10
[INFO] finished tweaking crates.io crate messagebus 0.9.10
[INFO] tweaked toml for crates.io crate messagebus 0.9.10 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate messagebus 0.9.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d4a63c44637d971cede7e9d0c00291d09ba45bff0b995ceba1b81cc5df276cb
[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" "5d4a63c44637d971cede7e9d0c00291d09ba45bff0b995ceba1b81cc5df276cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d4a63c44637d971cede7e9d0c00291d09ba45bff0b995ceba1b81cc5df276cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4a63c44637d971cede7e9d0c00291d09ba45bff0b995ceba1b81cc5df276cb", kill_on_drop: false }`
[INFO] [stdout] 5d4a63c44637d971cede7e9d0c00291d09ba45bff0b995ceba1b81cc5df276cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fedba5a9154e68ad0d4453050ca244f21f82db233289a8064c4404905e9b5d6
[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" "7fedba5a9154e68ad0d4453050ca244f21f82db233289a8064c4404905e9b5d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling messagebus_derive v0.2.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling messagebus v0.9.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.46s
[INFO] running `Command { std: "docker" "inspect" "7fedba5a9154e68ad0d4453050ca244f21f82db233289a8064c4404905e9b5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fedba5a9154e68ad0d4453050ca244f21f82db233289a8064c4404905e9b5d6", kill_on_drop: false }`
[INFO] [stdout] 7fedba5a9154e68ad0d4453050ca244f21f82db233289a8064c4404905e9b5d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d100ffbf953533d38084f0ad7ed08af0ffb3f227b65bd894b00576e77fd70f
[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" "26d100ffbf953533d38084f0ad7ed08af0ffb3f227b65bd894b00576e77fd70f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling messagebus v0.9.10 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `messagebus`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name benchmark --edition=2018 examples/benchmark.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=5ddebeb9b97da88b -C extra-filename=-5ddebeb9b97da88b --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b13849b6101a8a36.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-4d187e561976744c.so --extern ctor=/opt/rustwide/target/debug/deps/libctor-98e85a17fd485230.so --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-eb6feca2b2a5a3c1.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-21ea5f2e4dbdd790.rlib --extern erased_serde=/opt/rustwide/target/debug/deps/liberased_serde-4daaeaa0ab3c2fed.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-16ab0fe7dd6f35ec.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rlib --extern messagebus=/opt/rustwide/target/debug/deps/libmessagebus-3320bc9a4987ea0b.rlib --extern messagebus_derive=/opt/rustwide/target/debug/deps/libmessagebus_derive-1951dc3c71fc0464.so --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-0837dde8de885492.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e57a462b4d27402b.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-25db302b83fcb088.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-97404c8a95bbcc4d.rlib --extern sharded_slab=/opt/rustwide/target/debug/deps/libsharded_slab-50f76f6e115e39aa.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-1fbe5b6a2871d455.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-f96bb4678526e27f.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d0d83ab3b92ba587.rlib --cap-lints=forbid` (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" "26d100ffbf953533d38084f0ad7ed08af0ffb3f227b65bd894b00576e77fd70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d100ffbf953533d38084f0ad7ed08af0ffb3f227b65bd894b00576e77fd70f", kill_on_drop: false }`
[INFO] [stdout] 26d100ffbf953533d38084f0ad7ed08af0ffb3f227b65bd894b00576e77fd70f