[INFO] fetching crate feaders 0.2.0...
[INFO] checking feaders-0.2.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate feaders 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate feaders 0.2.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate feaders 0.2.0
[INFO] finished tweaking crates.io crate feaders 0.2.0
[INFO] tweaked toml for crates.io crate feaders 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=allow" "-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" "+beta-2019-10-27" "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] 837af200a0c2dec593c6dba76c253730da152e86ce80459beff15170adc6618d
[INFO] running `"docker" "start" "-a" "837af200a0c2dec593c6dba76c253730da152e86ce80459beff15170adc6618d"`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking feaders v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::path::Component<'_>: std::convert::AsRef<_>`
[INFO] [stderr]   --> src/utils.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 let strref = c.as_ref();
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::path::Component<'_>: std::convert::AsRef<_>`
[INFO] [stderr]   --> src/utils.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 let strref = c.as_ref();
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `feaders`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `feaders`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "837af200a0c2dec593c6dba76c253730da152e86ce80459beff15170adc6618d"`
[INFO] running `"docker" "rm" "-f" "837af200a0c2dec593c6dba76c253730da152e86ce80459beff15170adc6618d"`
[INFO] [stdout] 837af200a0c2dec593c6dba76c253730da152e86ce80459beff15170adc6618d