[INFO] updating cached repository https://github.com/althonos/nanoset.py
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ee4616ed15ed0db2d68a42f4f619fc70e4730b9
[INFO] checking althonos/nanoset.py against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthonos%2Fnanoset.py" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/althonos/nanoset.py on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/althonos/nanoset.py
[INFO] finished tweaking git repo https://github.com/althonos/nanoset.py
[INFO] tweaked toml for git repo https://github.com/althonos/nanoset.py written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/althonos/nanoset.py already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 45852c9fe539b17777bd53c23161280897822ebc6d248a0e4cf0d337ed53120e
[INFO] running `"docker" "start" "-a" "45852c9fe539b17777bd53c23161280897822ebc6d248a0e4cf0d337ed53120e"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling git2 v0.10.2
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling inventory-impl v0.1.4
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling pyo3cls v0.8.3
[INFO] [stderr]     Checking inventory v0.1.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling built v0.3.2
[INFO] [stderr]    Compiling pyo3 v0.8.3
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::ops::AddAssign<&_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.3/build.rs:516:15
[INFO] [stderr]     |
[INFO] [stderr] 516 |         flags += format!("CFG_PyPy").as_ref();
[INFO] [stderr]     |               ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.3/build.rs:627:18
[INFO] [stderr]     |
[INFO] [stderr] 627 |             memo + format!("VAL_{}={},", key, val).as_ref()
[INFO] [stderr]     |                  ^ cannot infer type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0282, E0283.
[INFO] [stderr] For more information about an error, try `rustc --explain E0282`.
[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" "45852c9fe539b17777bd53c23161280897822ebc6d248a0e4cf0d337ed53120e"`
[INFO] running `"docker" "rm" "-f" "45852c9fe539b17777bd53c23161280897822ebc6d248a0e4cf0d337ed53120e"`
[INFO] [stdout] 45852c9fe539b17777bd53c23161280897822ebc6d248a0e4cf0d337ed53120e