[INFO] fetching crate gantry-protocol 0.0.8...
[INFO] testing gantry-protocol-0.0.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gantry-protocol 0.0.8 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate gantry-protocol 0.0.8 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 gantry-protocol 0.0.8
[INFO] finished tweaking crates.io crate gantry-protocol 0.0.8
[INFO] tweaked toml for crates.io crate gantry-protocol 0.0.8 written to /workspace/builds/worker-39/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 4cbaf329b8fbe9c7efdf51f0f68fc16fa02c02e77f02b235d5b7c8d74e217ee0
[INFO] running `Command { std: "docker" "start" "-a" "4cbaf329b8fbe9c7efdf51f0f68fc16fa02c02e77f02b235d5b7c8d74e217ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cbaf329b8fbe9c7efdf51f0f68fc16fa02c02e77f02b235d5b7c8d74e217ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbaf329b8fbe9c7efdf51f0f68fc16fa02c02e77f02b235d5b7c8d74e217ee0", kill_on_drop: false }`
[INFO] [stdout] 4cbaf329b8fbe9c7efdf51f0f68fc16fa02c02e77f02b235d5b7c8d74e217ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 0913c4d396d6bc6671a50d9d9b5651c32367cf6bd479ee5ac558997d5f2939c8
[INFO] running `Command { std: "docker" "start" "-a" "0913c4d396d6bc6671a50d9d9b5651c32367cf6bd479ee5ac558997d5f2939c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling rmp-serde v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling gantry-protocol v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.40s
[INFO] running `Command { std: "docker" "inspect" "0913c4d396d6bc6671a50d9d9b5651c32367cf6bd479ee5ac558997d5f2939c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0913c4d396d6bc6671a50d9d9b5651c32367cf6bd479ee5ac558997d5f2939c8", kill_on_drop: false }`
[INFO] [stdout] 0913c4d396d6bc6671a50d9d9b5651c32367cf6bd479ee5ac558997d5f2939c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] c160e3d7958c5ed1d7f4bbf889bad7651ee53db8addd3bc1d268f128eb2b7146
[INFO] running `Command { std: "docker" "start" "-a" "c160e3d7958c5ed1d7f4bbf889bad7651ee53db8addd3bc1d268f128eb2b7146", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gantry-protocol v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "c160e3d7958c5ed1d7f4bbf889bad7651ee53db8addd3bc1d268f128eb2b7146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c160e3d7958c5ed1d7f4bbf889bad7651ee53db8addd3bc1d268f128eb2b7146", kill_on_drop: false }`
[INFO] [stdout] c160e3d7958c5ed1d7f4bbf889bad7651ee53db8addd3bc1d268f128eb2b7146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] c382a2b1055fba0e2638ac31735874555a02c7078b05ec93aaabdbbaad00278c
[INFO] running `Command { std: "docker" "start" "-a" "c382a2b1055fba0e2638ac31735874555a02c7078b05ec93aaabdbbaad00278c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gantry_protocol-20b7f4c335083a86)
[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] [stderr]    Doc-tests gantry-protocol
[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" "c382a2b1055fba0e2638ac31735874555a02c7078b05ec93aaabdbbaad00278c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c382a2b1055fba0e2638ac31735874555a02c7078b05ec93aaabdbbaad00278c", kill_on_drop: false }`
[INFO] [stdout] c382a2b1055fba0e2638ac31735874555a02c7078b05ec93aaabdbbaad00278c