[INFO] fetching crate knight 0.0.0...
[INFO] testing knight-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate knight 0.0.0 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate knight 0.0.0 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 knight 0.0.0
[INFO] finished tweaking crates.io crate knight 0.0.0
[INFO] tweaked toml for crates.io crate knight 0.0.0 written to /workspace/builds/worker-65/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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] b4b74d1b1cbaf1edf7d4e037b63fa06f2632ef08424070326288c6d2b16c12ee
[INFO] running `Command { std: "docker" "start" "-a" "b4b74d1b1cbaf1edf7d4e037b63fa06f2632ef08424070326288c6d2b16c12ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4b74d1b1cbaf1edf7d4e037b63fa06f2632ef08424070326288c6d2b16c12ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b74d1b1cbaf1edf7d4e037b63fa06f2632ef08424070326288c6d2b16c12ee", kill_on_drop: false }`
[INFO] [stdout] b4b74d1b1cbaf1edf7d4e037b63fa06f2632ef08424070326288c6d2b16c12ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 1bce8e0d4e09dc8f5d2faaed46a9871fdcc8d619c488d2a589332a3fa6661e03
[INFO] running `Command { std: "docker" "start" "-a" "1bce8e0d4e09dc8f5d2faaed46a9871fdcc8d619c488d2a589332a3fa6661e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling knight v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "1bce8e0d4e09dc8f5d2faaed46a9871fdcc8d619c488d2a589332a3fa6661e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bce8e0d4e09dc8f5d2faaed46a9871fdcc8d619c488d2a589332a3fa6661e03", kill_on_drop: false }`
[INFO] [stdout] 1bce8e0d4e09dc8f5d2faaed46a9871fdcc8d619c488d2a589332a3fa6661e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] a8bc5754a6df821e8f6b7d0e4220410e5dfa90cc46c07e6cfdcd590a6bab0747
[INFO] running `Command { std: "docker" "start" "-a" "a8bc5754a6df821e8f6b7d0e4220410e5dfa90cc46c07e6cfdcd590a6bab0747", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knight v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "a8bc5754a6df821e8f6b7d0e4220410e5dfa90cc46c07e6cfdcd590a6bab0747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bc5754a6df821e8f6b7d0e4220410e5dfa90cc46c07e6cfdcd590a6bab0747", kill_on_drop: false }`
[INFO] [stdout] a8bc5754a6df821e8f6b7d0e4220410e5dfa90cc46c07e6cfdcd590a6bab0747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 821d43a4c6e926204e1151be8a3dc80d0c8d7095600d84c7f33d722736607780
[INFO] running `Command { std: "docker" "start" "-a" "821d43a4c6e926204e1151be8a3dc80d0c8d7095600d84c7f33d722736607780", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knight-01a90fab5f913312)
[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 knight
[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" "821d43a4c6e926204e1151be8a3dc80d0c8d7095600d84c7f33d722736607780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821d43a4c6e926204e1151be8a3dc80d0c8d7095600d84c7f33d722736607780", kill_on_drop: false }`
[INFO] [stdout] 821d43a4c6e926204e1151be8a3dc80d0c8d7095600d84c7f33d722736607780