[INFO] fetching crate rcs_backend 0.2.1...
[INFO] testing rcs_backend-0.2.1 against 1.63.0 for beta-1.64-2
[INFO] extracting crate rcs_backend 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rcs_backend 0.2.1 on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcs_backend 0.2.1
[INFO] finished tweaking crates.io crate rcs_backend 0.2.1
[INFO] tweaked toml for crates.io crate rcs_backend 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rcs_backend 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c959f91fc5e37560f00152ec0035178421b7b2f13f014eb91abc30a097ddefb
[INFO] running `Command { std: "docker" "start" "-a" "9c959f91fc5e37560f00152ec0035178421b7b2f13f014eb91abc30a097ddefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c959f91fc5e37560f00152ec0035178421b7b2f13f014eb91abc30a097ddefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c959f91fc5e37560f00152ec0035178421b7b2f13f014eb91abc30a097ddefb", kill_on_drop: false }`
[INFO] [stdout] 9c959f91fc5e37560f00152ec0035178421b7b2f13f014eb91abc30a097ddefb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8da6e94540a0e668231e882c8008a68735e29ec4f1e2b093e5a289a09fb07b2d
[INFO] running `Command { std: "docker" "start" "-a" "8da6e94540a0e668231e882c8008a68735e29ec4f1e2b093e5a289a09fb07b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
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[INFO] [stderr]    Compiling hyper-tungstenite v0.5.0
[INFO] [stderr]    Compiling docker-api v0.8.0
[INFO] [stderr]    Compiling rcs_backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "8da6e94540a0e668231e882c8008a68735e29ec4f1e2b093e5a289a09fb07b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da6e94540a0e668231e882c8008a68735e29ec4f1e2b093e5a289a09fb07b2d", kill_on_drop: false }`
[INFO] [stdout] 8da6e94540a0e668231e882c8008a68735e29ec4f1e2b093e5a289a09fb07b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d90f07608cc7aa7dd712bc832991ea80b41364cbc4503e704cf537c4460d7fff
[INFO] running `Command { std: "docker" "start" "-a" "d90f07608cc7aa7dd712bc832991ea80b41364cbc4503e704cf537c4460d7fff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rcs_backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "d90f07608cc7aa7dd712bc832991ea80b41364cbc4503e704cf537c4460d7fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90f07608cc7aa7dd712bc832991ea80b41364cbc4503e704cf537c4460d7fff", kill_on_drop: false }`
[INFO] [stdout] d90f07608cc7aa7dd712bc832991ea80b41364cbc4503e704cf537c4460d7fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eeba82a88ed477dc6ccf6b865b6d52213d7462583a707afcc4dfe217af8ce270
[INFO] running `Command { std: "docker" "start" "-a" "eeba82a88ed477dc6ccf6b865b6d52213d7462583a707afcc4dfe217af8ce270", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/rcs_backend-b10212b2a89e40fc)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rcs_backend-6de334f3c42cd6b3)
[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 rcs_backend
[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" "eeba82a88ed477dc6ccf6b865b6d52213d7462583a707afcc4dfe217af8ce270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeba82a88ed477dc6ccf6b865b6d52213d7462583a707afcc4dfe217af8ce270", kill_on_drop: false }`
[INFO] [stdout] eeba82a88ed477dc6ccf6b865b6d52213d7462583a707afcc4dfe217af8ce270