[INFO] fetching crate msgrpc 0.1.0...
[INFO] testing msgrpc-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate msgrpc 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate msgrpc 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msgrpc 0.1.0
[INFO] finished tweaking crates.io crate msgrpc 0.1.0
[INFO] tweaked toml for crates.io crate msgrpc 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be258342e7b5c94815fd950cd5a0550a8dbda883f7b4995ffa61f0d79296f611
[INFO] running `Command { std: "docker" "start" "-a" "be258342e7b5c94815fd950cd5a0550a8dbda883f7b4995ffa61f0d79296f611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be258342e7b5c94815fd950cd5a0550a8dbda883f7b4995ffa61f0d79296f611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be258342e7b5c94815fd950cd5a0550a8dbda883f7b4995ffa61f0d79296f611", kill_on_drop: false }`
[INFO] [stdout] be258342e7b5c94815fd950cd5a0550a8dbda883f7b4995ffa61f0d79296f611
[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=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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c00d25712267652b5c4508158e478dd56e57d48e59f9d73c2ecb320a6bb0fc2e
[INFO] running `Command { std: "docker" "start" "-a" "c00d25712267652b5c4508158e478dd56e57d48e59f9d73c2ecb320a6bb0fc2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling msgrpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "c00d25712267652b5c4508158e478dd56e57d48e59f9d73c2ecb320a6bb0fc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00d25712267652b5c4508158e478dd56e57d48e59f9d73c2ecb320a6bb0fc2e", kill_on_drop: false }`
[INFO] [stdout] c00d25712267652b5c4508158e478dd56e57d48e59f9d73c2ecb320a6bb0fc2e
[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=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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6deb906707f48e6d00dddbbbdac86edc33fe4a681c5ab2eefd8e7beb058862a5
[INFO] running `Command { std: "docker" "start" "-a" "6deb906707f48e6d00dddbbbdac86edc33fe4a681c5ab2eefd8e7beb058862a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling msgrpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "6deb906707f48e6d00dddbbbdac86edc33fe4a681c5ab2eefd8e7beb058862a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6deb906707f48e6d00dddbbbdac86edc33fe4a681c5ab2eefd8e7beb058862a5", kill_on_drop: false }`
[INFO] [stdout] 6deb906707f48e6d00dddbbbdac86edc33fe4a681c5ab2eefd8e7beb058862a5
[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=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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e08aebf55d2f97828b8a61940475b552577e9e33e3ac5406f3eecbc6e02f5c4
[INFO] running `Command { std: "docker" "start" "-a" "3e08aebf55d2f97828b8a61940475b552577e9e33e3ac5406f3eecbc6e02f5c4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/msgrpc-30e8f9f33429560a)
[INFO] [stdout] test tests::it_deserializes_messages ... ok
[INFO] [stderr]    Doc-tests msgrpc
[INFO] [stdout] test tests::it_creates_and_serializes_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "3e08aebf55d2f97828b8a61940475b552577e9e33e3ac5406f3eecbc6e02f5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e08aebf55d2f97828b8a61940475b552577e9e33e3ac5406f3eecbc6e02f5c4", kill_on_drop: false }`
[INFO] [stdout] 3e08aebf55d2f97828b8a61940475b552577e9e33e3ac5406f3eecbc6e02f5c4