[INFO] crate xmlrpc 0.13.1 is already in cache [INFO] checking xmlrpc-0.13.1 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] extracting crate xmlrpc 0.13.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate xmlrpc 0.13.1 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate xmlrpc 0.13.1 [INFO] removed 2 missing examples [INFO] removed 2 missing tests [INFO] finished tweaking crates.io crate xmlrpc 0.13.1 [INFO] tweaked toml for crates.io crate xmlrpc 0.13.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-2/source/examples/custom-header.rs [INFO] [stderr] * /workspace/builds/worker-2/source/examples/client.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other test targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a test target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-2/source/tests/python.rs [INFO] [stderr] * /workspace/builds/worker-2/source/tests/version-numbers.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autotests = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8612f6e39256300f60f1556ffbb5d355e8b1754c7a6fa23959ff0db4850f3ccd [INFO] running `"docker" "start" "-a" "8612f6e39256300f60f1556ffbb5d355e8b1754c7a6fa23959ff0db4850f3ccd"` [INFO] [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other example targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a example target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/examples/custom-header.rs [INFO] [stderr] * /opt/rustwide/workdir/examples/client.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a example target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autoexamples = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other test targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a test target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/tests/python.rs [INFO] [stderr] * /opt/rustwide/workdir/tests/version-numbers.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autotests = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Checking pulldown-cmark v0.2.0 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking openssl v0.10.26 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking iso8601 v0.2.0 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] error[E0277]: cannot add `&std::borrow::Cow<'_, str>` to `std::string::String` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pulldown-cmark-0.2.0/src/utils.rs:51:30 [INFO] [stderr] | [INFO] [stderr] 51 | Owned(a.into_owned() + &b) [INFO] [stderr] | ^ no implementation for `std::string::String + &std::borrow::Cow<'_, str>` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Add<&std::borrow::Cow<'_, str>>` is not implemented for `std::string::String` [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 `pulldown-cmark`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "8612f6e39256300f60f1556ffbb5d355e8b1754c7a6fa23959ff0db4850f3ccd"` [INFO] running `"docker" "rm" "-f" "8612f6e39256300f60f1556ffbb5d355e8b1754c7a6fa23959ff0db4850f3ccd"` [INFO] [stdout] 8612f6e39256300f60f1556ffbb5d355e8b1754c7a6fa23959ff0db4850f3ccd