[INFO] crate pyportus 0.4.0 is already in cache
[INFO] checking pyportus-0.4.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] extracting crate pyportus 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pyportus 0.4.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pyportus 0.4.0
[INFO] finished tweaking crates.io crate pyportus 0.4.0
[INFO] tweaked toml for crates.io crate pyportus 0.4.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d18b8e686f7877be9e25976b1109282d1f451084ee78ebf92e583619be874065
[INFO] running `"docker" "start" "-a" "d18b8e686f7877be9e25976b1109282d1f451084ee78ebf92e583619be874065"`
[INFO] [stderr]     Checking proc-macro2 v0.3.8
[INFO] [stderr]    Compiling pyo3cls v0.2.7
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking simple-signal v1.1.1
[INFO] [stderr]    Compiling pyo3 v0.2.7
[INFO] [stderr]     Checking slog-term v2.4.2
[INFO] [stderr]     Checking quote v0.5.2
[INFO] [stderr]     Checking syn v0.13.11
[INFO] [stderr] error[E0277]: the trait bound `(): err::PyErrArguments` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.2.7/src/err.rs:486:64
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 PyErr::from_value::<$pyexc>(PyErrValue::ToArgs(Box::new(err)))
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^ the trait `err::PyErrArguments` is not implemented for `()`
[INFO] [stderr] ...
[INFO] [stderr] 553 | impl_to_pyerr!(std::string::ParseError, exc::ValueError);
[INFO] [stderr]     | --------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: required for the cast to the object type `dyn err::PyErrArguments`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `pyo3`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d18b8e686f7877be9e25976b1109282d1f451084ee78ebf92e583619be874065"`
[INFO] running `"docker" "rm" "-f" "d18b8e686f7877be9e25976b1109282d1f451084ee78ebf92e583619be874065"`
[INFO] [stdout] d18b8e686f7877be9e25976b1109282d1f451084ee78ebf92e583619be874065