[INFO] fetching crate jsonrpc-core-client 18.0.0...
[INFO] testing jsonrpc-core-client-18.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate jsonrpc-core-client 18.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jsonrpc-core-client 18.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-core-client 18.0.0
[INFO] finished tweaking crates.io crate jsonrpc-core-client 18.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-core-client 18.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded websocket-base v0.24.0
[INFO] [stderr]   Downloaded websocket v0.24.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b069c3a64aea6318825de5dcd7e344c6f53f46f0dac344ac707d852b5f46923
[INFO] running `Command { std: "docker" "start" "-a" "1b069c3a64aea6318825de5dcd7e344c6f53f46f0dac344ac707d852b5f46923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b069c3a64aea6318825de5dcd7e344c6f53f46f0dac344ac707d852b5f46923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b069c3a64aea6318825de5dcd7e344c6f53f46f0dac344ac707d852b5f46923", kill_on_drop: false }`
[INFO] [stdout] 1b069c3a64aea6318825de5dcd7e344c6f53f46f0dac344ac707d852b5f46923
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eec62aeca84bf7fa45a9f09b3935c42a124f391f9bf7e48766b1a356329b07a
[INFO] running `Command { std: "docker" "start" "-a" "9eec62aeca84bf7fa45a9f09b3935c42a124f391f9bf7e48766b1a356329b07a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling jsonrpc-core v18.0.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v18.0.0
[INFO] [stderr]    Compiling jsonrpc-client-transports v18.0.0
[INFO] [stderr]    Compiling jsonrpc-core-client v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.31s
[INFO] running `Command { std: "docker" "inspect" "9eec62aeca84bf7fa45a9f09b3935c42a124f391f9bf7e48766b1a356329b07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eec62aeca84bf7fa45a9f09b3935c42a124f391f9bf7e48766b1a356329b07a", kill_on_drop: false }`
[INFO] [stdout] 9eec62aeca84bf7fa45a9f09b3935c42a124f391f9bf7e48766b1a356329b07a
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f678b4591e5bbbb94dc0e9e05b652f995c9b0133990ffb15e8884c811c84f15
[INFO] running `Command { std: "docker" "start" "-a" "4f678b4591e5bbbb94dc0e9e05b652f995c9b0133990ffb15e8884c811c84f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonrpc-core-client v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "4f678b4591e5bbbb94dc0e9e05b652f995c9b0133990ffb15e8884c811c84f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f678b4591e5bbbb94dc0e9e05b652f995c9b0133990ffb15e8884c811c84f15", kill_on_drop: false }`
[INFO] [stdout] 4f678b4591e5bbbb94dc0e9e05b652f995c9b0133990ffb15e8884c811c84f15
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf04c3cd3c5e54561a337cd01e88c4090233797de18901d838895ba96df24a0e
[INFO] running `Command { std: "docker" "start" "-a" "bf04c3cd3c5e54561a337cd01e88c4090233797de18901d838895ba96df24a0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonrpc_core_client-94f888a9a524ae2c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonrpc-core-client
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "bf04c3cd3c5e54561a337cd01e88c4090233797de18901d838895ba96df24a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf04c3cd3c5e54561a337cd01e88c4090233797de18901d838895ba96df24a0e", kill_on_drop: false }`
[INFO] [stdout] bf04c3cd3c5e54561a337cd01e88c4090233797de18901d838895ba96df24a0e