[INFO] fetching crate rust_digits 1.0.0...
[INFO] testing rust_digits-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rust_digits 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rust_digits 1.0.0 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 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-9/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 40ba492d935aa22ac7d81ac11f7a2dda04e8d1c7d9cf71e173a3d51f01e0300d
[INFO] running `Command { std: "docker" "start" "-a" "40ba492d935aa22ac7d81ac11f7a2dda04e8d1c7d9cf71e173a3d51f01e0300d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40ba492d935aa22ac7d81ac11f7a2dda04e8d1c7d9cf71e173a3d51f01e0300d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ba492d935aa22ac7d81ac11f7a2dda04e8d1c7d9cf71e173a3d51f01e0300d", kill_on_drop: false }`
[INFO] [stdout] 40ba492d935aa22ac7d81ac11f7a2dda04e8d1c7d9cf71e173a3d51f01e0300d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6f31e434281705874a8dbb4ab3f9939dd8d35d9d40f606e0f99e233e72e56863
[INFO] running `Command { std: "docker" "start" "-a" "6f31e434281705874a8dbb4ab3f9939dd8d35d9d40f606e0f99e233e72e56863", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_digits v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "6f31e434281705874a8dbb4ab3f9939dd8d35d9d40f606e0f99e233e72e56863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f31e434281705874a8dbb4ab3f9939dd8d35d9d40f606e0f99e233e72e56863", kill_on_drop: false }`
[INFO] [stdout] 6f31e434281705874a8dbb4ab3f9939dd8d35d9d40f606e0f99e233e72e56863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 3213171aa0235af3d532f7887c05bb0a47b1b6c5636a3cdad7a14cd0ba865558
[INFO] running `Command { std: "docker" "start" "-a" "3213171aa0235af3d532f7887c05bb0a47b1b6c5636a3cdad7a14cd0ba865558", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_digits v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3213171aa0235af3d532f7887c05bb0a47b1b6c5636a3cdad7a14cd0ba865558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3213171aa0235af3d532f7887c05bb0a47b1b6c5636a3cdad7a14cd0ba865558", kill_on_drop: false }`
[INFO] [stdout] 3213171aa0235af3d532f7887c05bb0a47b1b6c5636a3cdad7a14cd0ba865558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 3a8059a89bca2bf29060d44b0d6960d7af235330bf925e30adee133b398169f2
[INFO] running `Command { std: "docker" "start" "-a" "3a8059a89bca2bf29060d44b0d6960d7af235330bf925e30adee133b398169f2", 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-3cfc3024ef5629db)
[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" "3a8059a89bca2bf29060d44b0d6960d7af235330bf925e30adee133b398169f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8059a89bca2bf29060d44b0d6960d7af235330bf925e30adee133b398169f2", kill_on_drop: false }`
[INFO] [stdout] 3a8059a89bca2bf29060d44b0d6960d7af235330bf925e30adee133b398169f2