[INFO] fetching crate packing_codegen 0.1.0...
[INFO] testing packing_codegen-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate packing_codegen 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate packing_codegen 0.1.0 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 packing_codegen 0.1.0
[INFO] finished tweaking crates.io crate packing_codegen 0.1.0
[INFO] tweaked toml for crates.io crate packing_codegen 0.1.0 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e81e99ace4aae6f1685879304451aa155918b91dd15603bb634f23311b0b6207
[INFO] running `Command { std: "docker" "start" "-a" "e81e99ace4aae6f1685879304451aa155918b91dd15603bb634f23311b0b6207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e81e99ace4aae6f1685879304451aa155918b91dd15603bb634f23311b0b6207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81e99ace4aae6f1685879304451aa155918b91dd15603bb634f23311b0b6207", kill_on_drop: false }`
[INFO] [stdout] e81e99ace4aae6f1685879304451aa155918b91dd15603bb634f23311b0b6207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] ab7f4f7aca2612c22295ab11ab43d1430ad8c231f8a1fd5a583f48bd4e7b1ea7
[INFO] running `Command { std: "docker" "start" "-a" "ab7f4f7aca2612c22295ab11ab43d1430ad8c231f8a1fd5a583f48bd4e7b1ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling packing_codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "ab7f4f7aca2612c22295ab11ab43d1430ad8c231f8a1fd5a583f48bd4e7b1ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7f4f7aca2612c22295ab11ab43d1430ad8c231f8a1fd5a583f48bd4e7b1ea7", kill_on_drop: false }`
[INFO] [stdout] ab7f4f7aca2612c22295ab11ab43d1430ad8c231f8a1fd5a583f48bd4e7b1ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 54b9a3523fbc3a311100043c4a7d2538c60a6f575ea4e04bac035b9be831ddb3
[INFO] running `Command { std: "docker" "start" "-a" "54b9a3523fbc3a311100043c4a7d2538c60a6f575ea4e04bac035b9be831ddb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling packing_codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "54b9a3523fbc3a311100043c4a7d2538c60a6f575ea4e04bac035b9be831ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b9a3523fbc3a311100043c4a7d2538c60a6f575ea4e04bac035b9be831ddb3", kill_on_drop: false }`
[INFO] [stdout] 54b9a3523fbc3a311100043c4a7d2538c60a6f575ea4e04bac035b9be831ddb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e6ffde05f86fdf249dfbed6d3b070143b3bc60f7d4fc6b7ea04ad03c69573bd4
[INFO] running `Command { std: "docker" "start" "-a" "e6ffde05f86fdf249dfbed6d3b070143b3bc60f7d4fc6b7ea04ad03c69573bd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/packing_codegen-de332214f7441766)
[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 packing_codegen
[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" "e6ffde05f86fdf249dfbed6d3b070143b3bc60f7d4fc6b7ea04ad03c69573bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ffde05f86fdf249dfbed6d3b070143b3bc60f7d4fc6b7ea04ad03c69573bd4", kill_on_drop: false }`
[INFO] [stdout] e6ffde05f86fdf249dfbed6d3b070143b3bc60f7d4fc6b7ea04ad03c69573bd4