[INFO] updating cached repository https://github.com/rajasekarv/native_spark
[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] [stderr] From https://github.com/rajasekarv/native_spark
[INFO] [stderr]  + 612acde...487541b gh-pages   -> gh-pages  (forced update)
[INFO] [stderr]    5942f9f..e2766ff  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2766fff5b5d44510bf5178343290a73e5e907e7
[INFO] checking rajasekarv/native_spark against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fnative_spark" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rajasekarv/native_spark 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/rajasekarv/native_spark
[INFO] finished tweaking git repo https://github.com/rajasekarv/native_spark
[INFO] tweaked toml for git repo https://github.com/rajasekarv/native_spark written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/rajasekarv/native_spark 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-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" "+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] 6e5874241c809768061f902c06e4503e10689b196e71f6134e30bc4ae1ee8568
[INFO] running `"docker" "start" "-a" "6e5874241c809768061f902c06e4503e10689b196e71f6134e30bc4ae1ee8568"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]    Compiling capnp v0.10.3
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling relative v0.2.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking integer-encoding v1.0.7
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking alloc-no-stdlib v1.3.0
[INFO] [stderr]    Compiling parquet v0.15.1
[INFO] [stderr]     Checking metatype v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking brotli-decompressor v1.3.1
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking cookie v0.12.0
[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" "6e5874241c809768061f902c06e4503e10689b196e71f6134e30bc4ae1ee8568"`
[INFO] running `"docker" "rm" "-f" "6e5874241c809768061f902c06e4503e10689b196e71f6134e30bc4ae1ee8568"`
[INFO] [stdout] 6e5874241c809768061f902c06e4503e10689b196e71f6134e30bc4ae1ee8568