[INFO] fetching crate knight 0.0.0...
[INFO] testing knight-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate knight 0.0.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate knight 0.0.0 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 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-62/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] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 2fc76d5d282f7bf5b05f9f85c2596e0a90ff7e324f45f739a455eb37ac143a62
[INFO] running `Command { std: "docker" "start" "-a" "2fc76d5d282f7bf5b05f9f85c2596e0a90ff7e324f45f739a455eb37ac143a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc76d5d282f7bf5b05f9f85c2596e0a90ff7e324f45f739a455eb37ac143a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc76d5d282f7bf5b05f9f85c2596e0a90ff7e324f45f739a455eb37ac143a62", kill_on_drop: false }`
[INFO] [stdout] 2fc76d5d282f7bf5b05f9f85c2596e0a90ff7e324f45f739a455eb37ac143a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 297b64bfe33c7569565a5930169b05aa23c00023e08f7cf1d385a33092b7281d
[INFO] running `Command { std: "docker" "start" "-a" "297b64bfe33c7569565a5930169b05aa23c00023e08f7cf1d385a33092b7281d", 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 dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "297b64bfe33c7569565a5930169b05aa23c00023e08f7cf1d385a33092b7281d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297b64bfe33c7569565a5930169b05aa23c00023e08f7cf1d385a33092b7281d", kill_on_drop: false }`
[INFO] [stdout] 297b64bfe33c7569565a5930169b05aa23c00023e08f7cf1d385a33092b7281d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 2f67c69af0e884743876f13fd6f5c57b0c1cbe0957fc6162a2a6d441beae1cb0
[INFO] running `Command { std: "docker" "start" "-a" "2f67c69af0e884743876f13fd6f5c57b0c1cbe0957fc6162a2a6d441beae1cb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling knight v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "2f67c69af0e884743876f13fd6f5c57b0c1cbe0957fc6162a2a6d441beae1cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f67c69af0e884743876f13fd6f5c57b0c1cbe0957fc6162a2a6d441beae1cb0", kill_on_drop: false }`
[INFO] [stdout] 2f67c69af0e884743876f13fd6f5c57b0c1cbe0957fc6162a2a6d441beae1cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 0b46c894887d65f4b363d07b21d1e54ff440d6a5a4ee884d9daf0875f24431cf
[INFO] running `Command { std: "docker" "start" "-a" "0b46c894887d65f4b363d07b21d1e54ff440d6a5a4ee884d9daf0875f24431cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knight-b008b10de956d6c7)
[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" "0b46c894887d65f4b363d07b21d1e54ff440d6a5a4ee884d9daf0875f24431cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b46c894887d65f4b363d07b21d1e54ff440d6a5a4ee884d9daf0875f24431cf", kill_on_drop: false }`
[INFO] [stdout] 0b46c894887d65f4b363d07b21d1e54ff440d6a5a4ee884d9daf0875f24431cf