[INFO] fetching crate advancedresearch-error_predictive_learning 0.1.0...
[INFO] testing advancedresearch-error_predictive_learning-0.1.0 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29d6dd9c729d49c22c2997e7f7e52aca33c10cec547bb396ea64965094098857
[INFO] running `Command { std: "docker" "start" "-a" "29d6dd9c729d49c22c2997e7f7e52aca33c10cec547bb396ea64965094098857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d6dd9c729d49c22c2997e7f7e52aca33c10cec547bb396ea64965094098857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d6dd9c729d49c22c2997e7f7e52aca33c10cec547bb396ea64965094098857", kill_on_drop: false }`
[INFO] [stdout] 29d6dd9c729d49c22c2997e7f7e52aca33c10cec547bb396ea64965094098857
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea5171ec41f93712683cb7f2ae690f2e6516e8ea172862773dd0b1b89ec6491b
[INFO] running `Command { std: "docker" "start" "-a" "ea5171ec41f93712683cb7f2ae690f2e6516e8ea172862773dd0b1b89ec6491b", 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 1.10s
[INFO] running `Command { std: "docker" "inspect" "ea5171ec41f93712683cb7f2ae690f2e6516e8ea172862773dd0b1b89ec6491b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5171ec41f93712683cb7f2ae690f2e6516e8ea172862773dd0b1b89ec6491b", kill_on_drop: false }`
[INFO] [stdout] ea5171ec41f93712683cb7f2ae690f2e6516e8ea172862773dd0b1b89ec6491b
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e5f056e5cda4d9353b03f27c65fcbfbbd3cdd4d5cd0126341f1600354c6c675
[INFO] running `Command { std: "docker" "start" "-a" "7e5f056e5cda4d9353b03f27c65fcbfbbd3cdd4d5cd0126341f1600354c6c675", 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 0.92s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/error_predictive_learning-c67374d3e4176ba4)
[INFO] running `Command { std: "docker" "inspect" "7e5f056e5cda4d9353b03f27c65fcbfbbd3cdd4d5cd0126341f1600354c6c675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e5f056e5cda4d9353b03f27c65fcbfbbd3cdd4d5cd0126341f1600354c6c675", kill_on_drop: false }`
[INFO] [stdout] 7e5f056e5cda4d9353b03f27c65fcbfbbd3cdd4d5cd0126341f1600354c6c675
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25a65fc87406e2b1b23cfda540c665336620ec8fe84fcee9424456d01c378a41
[INFO] running `Command { std: "docker" "start" "-a" "25a65fc87406e2b1b23cfda540c665336620ec8fe84fcee9424456d01c378a41", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error_predictive_learning-c67374d3e4176ba4)
[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 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" "25a65fc87406e2b1b23cfda540c665336620ec8fe84fcee9424456d01c378a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a65fc87406e2b1b23cfda540c665336620ec8fe84fcee9424456d01c378a41", kill_on_drop: false }`
[INFO] [stdout] 25a65fc87406e2b1b23cfda540c665336620ec8fe84fcee9424456d01c378a41