[INFO] fetching crate rust_digits 1.0.0...
[INFO] testing rust_digits-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rust_digits 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust_digits 1.0.0 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 rust_digits 1.0.0
[INFO] finished tweaking crates.io crate rust_digits 1.0.0
[INFO] tweaked toml for crates.io crate rust_digits 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0d4be63a113ff8c1b45097be196ad160b2584e71f84d4e1bf848ba8d11d23bbe
[INFO] running `Command { std: "docker" "start" "-a" "0d4be63a113ff8c1b45097be196ad160b2584e71f84d4e1bf848ba8d11d23bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4be63a113ff8c1b45097be196ad160b2584e71f84d4e1bf848ba8d11d23bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4be63a113ff8c1b45097be196ad160b2584e71f84d4e1bf848ba8d11d23bbe", kill_on_drop: false }`
[INFO] [stdout] 0d4be63a113ff8c1b45097be196ad160b2584e71f84d4e1bf848ba8d11d23bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b83057f3eb0b3519cb8fb30b0392e8815c34611a799a24f6f6eeea971a291962
[INFO] running `Command { std: "docker" "start" "-a" "b83057f3eb0b3519cb8fb30b0392e8815c34611a799a24f6f6eeea971a291962", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_digits v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "b83057f3eb0b3519cb8fb30b0392e8815c34611a799a24f6f6eeea971a291962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83057f3eb0b3519cb8fb30b0392e8815c34611a799a24f6f6eeea971a291962", kill_on_drop: false }`
[INFO] [stdout] b83057f3eb0b3519cb8fb30b0392e8815c34611a799a24f6f6eeea971a291962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ccec11c284508997e06622b598055c1694d5a1be6ad58f82420e2e8dfef86344
[INFO] running `Command { std: "docker" "start" "-a" "ccec11c284508997e06622b598055c1694d5a1be6ad58f82420e2e8dfef86344", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_digits v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ccec11c284508997e06622b598055c1694d5a1be6ad58f82420e2e8dfef86344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccec11c284508997e06622b598055c1694d5a1be6ad58f82420e2e8dfef86344", kill_on_drop: false }`
[INFO] [stdout] ccec11c284508997e06622b598055c1694d5a1be6ad58f82420e2e8dfef86344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1decfb3f251f303313a199eedb4fee8b2d3e04dbce995008ea315fd5a9a72b38
[INFO] running `Command { std: "docker" "start" "-a" "1decfb3f251f303313a199eedb4fee8b2d3e04dbce995008ea315fd5a9a72b38", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_digits-61daff9e88176291)
[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 rust_digits
[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" "1decfb3f251f303313a199eedb4fee8b2d3e04dbce995008ea315fd5a9a72b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1decfb3f251f303313a199eedb4fee8b2d3e04dbce995008ea315fd5a9a72b38", kill_on_drop: false }`
[INFO] [stdout] 1decfb3f251f303313a199eedb4fee8b2d3e04dbce995008ea315fd5a9a72b38