[INFO] fetching crate ark-serialize-derive 0.3.0...
[INFO] testing ark-serialize-derive-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ark-serialize-derive 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ark-serialize-derive 0.3.0 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 ark-serialize-derive 0.3.0
[INFO] finished tweaking crates.io crate ark-serialize-derive 0.3.0
[INFO] tweaked toml for crates.io crate ark-serialize-derive 0.3.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 936487b41557df8df6f31bfd16ae950af808930faf2a1942b4cd37990780896e
[INFO] running `Command { std: "docker" "start" "-a" "936487b41557df8df6f31bfd16ae950af808930faf2a1942b4cd37990780896e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "936487b41557df8df6f31bfd16ae950af808930faf2a1942b4cd37990780896e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936487b41557df8df6f31bfd16ae950af808930faf2a1942b4cd37990780896e", kill_on_drop: false }`
[INFO] [stdout] 936487b41557df8df6f31bfd16ae950af808930faf2a1942b4cd37990780896e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 52bfaad77c0b0671601cd03778681cd8ada03c2a010a7b3acad24ee9b44b87f6
[INFO] running `Command { std: "docker" "start" "-a" "52bfaad77c0b0671601cd03778681cd8ada03c2a010a7b3acad24ee9b44b87f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "52bfaad77c0b0671601cd03778681cd8ada03c2a010a7b3acad24ee9b44b87f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52bfaad77c0b0671601cd03778681cd8ada03c2a010a7b3acad24ee9b44b87f6", kill_on_drop: false }`
[INFO] [stdout] 52bfaad77c0b0671601cd03778681cd8ada03c2a010a7b3acad24ee9b44b87f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6e3aed950d0d19ea669570a019dcfecc0621bdc82d12741a221ee362e6456ead
[INFO] running `Command { std: "docker" "start" "-a" "6e3aed950d0d19ea669570a019dcfecc0621bdc82d12741a221ee362e6456ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "6e3aed950d0d19ea669570a019dcfecc0621bdc82d12741a221ee362e6456ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3aed950d0d19ea669570a019dcfecc0621bdc82d12741a221ee362e6456ead", kill_on_drop: false }`
[INFO] [stdout] 6e3aed950d0d19ea669570a019dcfecc0621bdc82d12741a221ee362e6456ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f7dc4f5f13f1c0a6762b53dbf357643b1e2345d89ca03274e37a21ccf855c546
[INFO] running `Command { std: "docker" "start" "-a" "f7dc4f5f13f1c0a6762b53dbf357643b1e2345d89ca03274e37a21ccf855c546", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ark_serialize_derive-fe786b73c94fd2fb)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ark-serialize-derive
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "f7dc4f5f13f1c0a6762b53dbf357643b1e2345d89ca03274e37a21ccf855c546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7dc4f5f13f1c0a6762b53dbf357643b1e2345d89ca03274e37a21ccf855c546", kill_on_drop: false }`
[INFO] [stdout] f7dc4f5f13f1c0a6762b53dbf357643b1e2345d89ca03274e37a21ccf855c546