[INFO] fetching crate serde_python_derive 0.1.1...
[INFO] testing serde_python_derive-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde_python_derive 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_python_derive 0.1.1 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 serde_python_derive 0.1.1
[INFO] finished tweaking crates.io crate serde_python_derive 0.1.1
[INFO] tweaked toml for crates.io crate serde_python_derive 0.1.1 written to /workspace/builds/worker-4/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] 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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c0d1123655a681106a0a2269b8a4ed1e848f6dd454b1e969b1f6dda0bc1baeb
[INFO] running `Command { std: "docker" "start" "-a" "9c0d1123655a681106a0a2269b8a4ed1e848f6dd454b1e969b1f6dda0bc1baeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c0d1123655a681106a0a2269b8a4ed1e848f6dd454b1e969b1f6dda0bc1baeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0d1123655a681106a0a2269b8a4ed1e848f6dd454b1e969b1f6dda0bc1baeb", kill_on_drop: false }`
[INFO] [stdout] 9c0d1123655a681106a0a2269b8a4ed1e848f6dd454b1e969b1f6dda0bc1baeb
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5731493753d9715e938f231d677f606c2033b44c6b43ac3d6ba1e05556b8a99a
[INFO] running `Command { std: "docker" "start" "-a" "5731493753d9715e938f231d677f606c2033b44c6b43ac3d6ba1e05556b8a99a", 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] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling serde_python_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "5731493753d9715e938f231d677f606c2033b44c6b43ac3d6ba1e05556b8a99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5731493753d9715e938f231d677f606c2033b44c6b43ac3d6ba1e05556b8a99a", kill_on_drop: false }`
[INFO] [stdout] 5731493753d9715e938f231d677f606c2033b44c6b43ac3d6ba1e05556b8a99a
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2de1119da679160166d3821a08817ca155c1f7e3c0b4f605069a637f481d06c
[INFO] running `Command { std: "docker" "start" "-a" "b2de1119da679160166d3821a08817ca155c1f7e3c0b4f605069a637f481d06c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_python_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b2de1119da679160166d3821a08817ca155c1f7e3c0b4f605069a637f481d06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2de1119da679160166d3821a08817ca155c1f7e3c0b4f605069a637f481d06c", kill_on_drop: false }`
[INFO] [stdout] b2de1119da679160166d3821a08817ca155c1f7e3c0b4f605069a637f481d06c
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f04646b8538604925eec5119bdd8234b0920a5a7f847829e8a8fe4b2176a565f
[INFO] running `Command { std: "docker" "start" "-a" "f04646b8538604925eec5119bdd8234b0920a5a7f847829e8a8fe4b2176a565f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_python_derive-d193e8372ee3990d)
[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 serde_python_derive
[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" "f04646b8538604925eec5119bdd8234b0920a5a7f847829e8a8fe4b2176a565f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04646b8538604925eec5119bdd8234b0920a5a7f847829e8a8fe4b2176a565f", kill_on_drop: false }`
[INFO] [stdout] f04646b8538604925eec5119bdd8234b0920a5a7f847829e8a8fe4b2176a565f