[INFO] fetching crate serde_python 0.1.1...
[INFO] testing serde_python-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate serde_python 0.1.1 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate serde_python 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_python 0.1.1
[INFO] finished tweaking crates.io crate serde_python 0.1.1
[INFO] tweaked toml for crates.io crate serde_python 0.1.1 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 506dd5330cfe9530eba3f5b38b29606ad0fbff80437eb6350e42d9fa35181a94
[INFO] running `Command { std: "docker" "start" "-a" "506dd5330cfe9530eba3f5b38b29606ad0fbff80437eb6350e42d9fa35181a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "506dd5330cfe9530eba3f5b38b29606ad0fbff80437eb6350e42d9fa35181a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506dd5330cfe9530eba3f5b38b29606ad0fbff80437eb6350e42d9fa35181a94", kill_on_drop: false }`
[INFO] [stdout] 506dd5330cfe9530eba3f5b38b29606ad0fbff80437eb6350e42d9fa35181a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddbc7a8b58cc62e0e25fb40b9d4d0c3dfb88d9f64d7d26243ddd63bc9bf6b1c2
[INFO] running `Command { std: "docker" "start" "-a" "ddbc7a8b58cc62e0e25fb40b9d4d0c3dfb88d9f64d7d26243ddd63bc9bf6b1c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_python_derive v0.1.1
[INFO] [stderr]    Compiling python3-sys v0.2.1
[INFO] [stderr]    Compiling serde_python v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "ddbc7a8b58cc62e0e25fb40b9d4d0c3dfb88d9f64d7d26243ddd63bc9bf6b1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbc7a8b58cc62e0e25fb40b9d4d0c3dfb88d9f64d7d26243ddd63bc9bf6b1c2", kill_on_drop: false }`
[INFO] [stdout] ddbc7a8b58cc62e0e25fb40b9d4d0c3dfb88d9f64d7d26243ddd63bc9bf6b1c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26fdab7249128634e8a8c2abe3ca16f26de23fff6ae8ddd69d686c60ea839d07
[INFO] running `Command { std: "docker" "start" "-a" "26fdab7249128634e8a8c2abe3ca16f26de23fff6ae8ddd69d686c60ea839d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_python v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "26fdab7249128634e8a8c2abe3ca16f26de23fff6ae8ddd69d686c60ea839d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26fdab7249128634e8a8c2abe3ca16f26de23fff6ae8ddd69d686c60ea839d07", kill_on_drop: false }`
[INFO] [stdout] 26fdab7249128634e8a8c2abe3ca16f26de23fff6ae8ddd69d686c60ea839d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fae8e46ad3a7eeefd323c0a519c6b080a4b3561d633173b534f93da68c35108d
[INFO] running `Command { std: "docker" "start" "-a" "fae8e46ad3a7eeefd323c0a519c6b080a4b3561d633173b534f93da68c35108d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_python-5ad9e8d1df8faf91)
[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 serde_python
[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" "fae8e46ad3a7eeefd323c0a519c6b080a4b3561d633173b534f93da68c35108d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae8e46ad3a7eeefd323c0a519c6b080a4b3561d633173b534f93da68c35108d", kill_on_drop: false }`
[INFO] [stdout] fae8e46ad3a7eeefd323c0a519c6b080a4b3561d633173b534f93da68c35108d