[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 try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaradayio%2Falert" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faradayio/alert on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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-4/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] b76472de07edf6eda4f11e62113fbe2925ea484da34657df89941c60956c5713
[INFO] running `"docker" "start" "-a" "b76472de07edf6eda4f11e62113fbe2925ea484da34657df89941c60956c5713"`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]    Compiling openssl v0.9.11
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking shell-escape v0.1.3
[INFO] [stderr]     Checking cli_test_dir v0.1.1
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking libflate v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.9
[INFO] [stderr]     Checking mime v0.2.3
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[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]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0214`.
[INFO] [stderr]    Compiling openssl-sys v0.9.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr] error: could not compile `libflate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b76472de07edf6eda4f11e62113fbe2925ea484da34657df89941c60956c5713"`
[INFO] running `"docker" "rm" "-f" "b76472de07edf6eda4f11e62113fbe2925ea484da34657df89941c60956c5713"`
[INFO] [stdout] b76472de07edf6eda4f11e62113fbe2925ea484da34657df89941c60956c5713