[INFO] updating cached repository https://github.com/faradayio/alert
[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] be9e6196df2741abc9f6df6fc3057e73af03794a
[INFO] checking faradayio/alert against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaradayio%2Falert" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faradayio/alert on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/faradayio/alert
[INFO] finished tweaking git repo https://github.com/faradayio/alert
[INFO] tweaked toml for git repo https://github.com/faradayio/alert written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/faradayio/alert already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 1ee6870f013c0abe5fa86ef917689ff5ae6e011b7ea1b9ba93e5d39b5ad31b9f
[INFO] running `"docker" "start" "-a" "1ee6870f013c0abe5fa86ef917689ff5ae6e011b7ea1b9ba93e5d39b5ad31b9f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling openssl v0.9.11
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking shell-escape v0.1.3
[INFO] [stderr]     Checking cli_test_dir v0.1.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.11
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking libflate v0.1.5
[INFO] [stderr]     Checking clap v2.24.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libflate-0.1.5/src/gzip.rs:452:66
[INFO] [stderr]     |
[INFO] [stderr] 452 |         try!(writer.write_u16::<LittleEndian>(self.data.len() as u16()));
[INFO] [stderr]     |                                                                  ^^^^^ only `Fn` traits may use parentheses
[INFO] [stderr] 
[INFO] [stderr]    Compiling hyper v0.10.9
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0214`.
[INFO] [stderr] error: could not compile `libflate`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1ee6870f013c0abe5fa86ef917689ff5ae6e011b7ea1b9ba93e5d39b5ad31b9f"`
[INFO] running `"docker" "rm" "-f" "1ee6870f013c0abe5fa86ef917689ff5ae6e011b7ea1b9ba93e5d39b5ad31b9f"`
[INFO] [stdout] 1ee6870f013c0abe5fa86ef917689ff5ae6e011b7ea1b9ba93e5d39b5ad31b9f
