[INFO] fetching crate rsocket_rust_messaging 0.5.3...
[INFO] checking rsocket_rust_messaging-0.5.3 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate rsocket_rust_messaging 0.5.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rsocket_rust_messaging 0.5.3 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsocket_rust_messaging 0.5.3
[INFO] finished tweaking crates.io crate rsocket_rust_messaging 0.5.3
[INFO] tweaked toml for crates.io crate rsocket_rust_messaging 0.5.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rsocket_rust_transport_websocket v0.5.3
[INFO] [stderr]   Downloaded rsocket_rust_transport_tcp v0.5.3
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d48635727a4e90f220a0b46b9a53e22ee40a998f1908df4c280257d26ef443be
[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" "d48635727a4e90f220a0b46b9a53e22ee40a998f1908df4c280257d26ef443be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d48635727a4e90f220a0b46b9a53e22ee40a998f1908df4c280257d26ef443be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48635727a4e90f220a0b46b9a53e22ee40a998f1908df4c280257d26ef443be", kill_on_drop: false }`
[INFO] [stdout] d48635727a4e90f220a0b46b9a53e22ee40a998f1908df4c280257d26ef443be
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--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] 9442e4ce39b2c27c3bedbbf7bdfc5b51f461c32ac06651c304915b5b733b383f
[INFO] running `Command { std: "docker" "start" "-a" "9442e4ce39b2c27c3bedbbf7bdfc5b51f461c32ac06651c304915b5b733b383f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking rsocket_rust v0.5.3
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking rsocket_rust_transport_websocket v0.5.3
[INFO] [stderr]     Checking rsocket_rust_transport_tcp v0.5.3
[INFO] [stderr]     Checking rsocket_rust_messaging v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.52s
[INFO] running `Command { std: "docker" "inspect" "9442e4ce39b2c27c3bedbbf7bdfc5b51f461c32ac06651c304915b5b733b383f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9442e4ce39b2c27c3bedbbf7bdfc5b51f461c32ac06651c304915b5b733b383f", kill_on_drop: false }`
[INFO] [stdout] 9442e4ce39b2c27c3bedbbf7bdfc5b51f461c32ac06651c304915b5b733b383f