[INFO] fetching crate advancedresearch-error_predictive_learning 0.1.0...
[INFO] testing advancedresearch-error_predictive_learning-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate advancedresearch-error_predictive_learning 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate advancedresearch-error_predictive_learning 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate advancedresearch-error_predictive_learning 0.1.0
[INFO] finished tweaking crates.io crate advancedresearch-error_predictive_learning 0.1.0
[INFO] tweaked toml for crates.io crate advancedresearch-error_predictive_learning 0.1.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate advancedresearch-error_predictive_learning 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2468b8b2ee3a22130594e2b4c7de0e87acb8ba997cd223d2e2bb926461d851a4
[INFO] running `Command { std: "docker" "start" "-a" "2468b8b2ee3a22130594e2b4c7de0e87acb8ba997cd223d2e2bb926461d851a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2468b8b2ee3a22130594e2b4c7de0e87acb8ba997cd223d2e2bb926461d851a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2468b8b2ee3a22130594e2b4c7de0e87acb8ba997cd223d2e2bb926461d851a4", kill_on_drop: false }`
[INFO] [stdout] 2468b8b2ee3a22130594e2b4c7de0e87acb8ba997cd223d2e2bb926461d851a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a6675c0087d01f88c6561d6403d79eff87d49d98d4319f754e4adabeb356447
[INFO] running `Command { std: "docker" "start" "-a" "6a6675c0087d01f88c6561d6403d79eff87d49d98d4319f754e4adabeb356447", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advancedresearch-error_predictive_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "6a6675c0087d01f88c6561d6403d79eff87d49d98d4319f754e4adabeb356447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6675c0087d01f88c6561d6403d79eff87d49d98d4319f754e4adabeb356447", kill_on_drop: false }`
[INFO] [stdout] 6a6675c0087d01f88c6561d6403d79eff87d49d98d4319f754e4adabeb356447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08a64e635cfbc68e3893cd399c924ac99a9d84172b7b39c8903ae5c1380b6ad0
[INFO] running `Command { std: "docker" "start" "-a" "08a64e635cfbc68e3893cd399c924ac99a9d84172b7b39c8903ae5c1380b6ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling advancedresearch-error_predictive_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "08a64e635cfbc68e3893cd399c924ac99a9d84172b7b39c8903ae5c1380b6ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a64e635cfbc68e3893cd399c924ac99a9d84172b7b39c8903ae5c1380b6ad0", kill_on_drop: false }`
[INFO] [stdout] 08a64e635cfbc68e3893cd399c924ac99a9d84172b7b39c8903ae5c1380b6ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 986370f9006f3bb498f24c038578654b5e46850b3003fe2f3628e67c9cbb5ad4
[INFO] running `Command { std: "docker" "start" "-a" "986370f9006f3bb498f24c038578654b5e46850b3003fe2f3628e67c9cbb5ad4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/error_predictive_learning-2f3c1fbc322d4a52)
[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 error_predictive_learning
[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" "986370f9006f3bb498f24c038578654b5e46850b3003fe2f3628e67c9cbb5ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986370f9006f3bb498f24c038578654b5e46850b3003fe2f3628e67c9cbb5ad4", kill_on_drop: false }`
[INFO] [stdout] 986370f9006f3bb498f24c038578654b5e46850b3003fe2f3628e67c9cbb5ad4