[INFO] crate rrss2imap 0.2.33 is already in cache
[INFO] checking rrss2imap-0.2.33 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate rrss2imap 0.2.33 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rrss2imap 0.2.33 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rrss2imap 0.2.33
[INFO] finished tweaking crates.io crate rrss2imap 0.2.33
[INFO] tweaked toml for crates.io crate rrss2imap 0.2.33 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rrss2imap 0.2.33 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-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] cb173d3e6472a3a97ebb93769e51af7da2a9b1ea0b8650141a04bd392f98487c
[INFO] running `"docker" "start" "-a" "cb173d3e6472a3a97ebb93769e51af7da2a9b1ea0b8650141a04bd392f98487c"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking quoted_printable v0.4.1
[INFO] [stderr]     Checking unidecode v0.3.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking xhtmlchardet v2.0.0
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tree_magic v0.2.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking hyperx v0.13.2
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking quick-xml v0.12.4
[INFO] [stderr]     Checking treexml v0.7.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking atom_syndication v0.6.0
[INFO] [stderr]     Checking quick-xml v0.14.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]     Checking rss v1.8.0
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]     Checking selectors v0.21.0
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking chrono v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking human-panic v1.0.1
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking imap v1.0.2
[INFO] [stderr]     Checking flexi_logger v0.14.5
[INFO] [stderr]     Checking rfc822_sanitizer v0.3.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Checking emailmessage v0.2.2
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr] error[E0284]: type annotations needed: cannot resolve `<std::string::String as std::ops::Add<&_>>::Output == _`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tera-0.11.20/src/renderer/processor.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     + post_var_as_str.as_ref()
[INFO] [stderr]    |                     ^
[INFO] [stderr] 
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0284`.
[INFO] [stderr] error: could not compile `tera`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cb173d3e6472a3a97ebb93769e51af7da2a9b1ea0b8650141a04bd392f98487c"`
[INFO] running `"docker" "rm" "-f" "cb173d3e6472a3a97ebb93769e51af7da2a9b1ea0b8650141a04bd392f98487c"`
[INFO] [stdout] cb173d3e6472a3a97ebb93769e51af7da2a9b1ea0b8650141a04bd392f98487c