[INFO] crate conllx 0.12.1 is already in cache
[INFO] checking conllx-0.12.1 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate conllx 0.12.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate conllx 0.12.1 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate conllx 0.12.1
[INFO] finished tweaking crates.io crate conllx 0.12.1
[INFO] tweaked toml for crates.io crate conllx 0.12.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] dd57e4fdd7bd94e4b5051d5e170ce756826852ba53ab1f5f8505debcf8d52dd1
[INFO] running `"docker" "start" "-a" "dd57e4fdd7bd94e4b5051d5e170ce756826852ba53ab1f5f8505debcf8d52dd1"`
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking conllx v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no function or associated item named `from_string` found for struct `conllx::token::Features` in the current scope
[INFO] [stderr]   --> benches/features.rs:23:38
[INFO] [stderr]    |
[INFO] [stderr] 23 |             let features = Features::from_string(*f_str);
[INFO] [stderr]    |                                      ^^^^^^^^^^^ function or associated item not found in `conllx::token::Features`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `conllx`.
[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" "dd57e4fdd7bd94e4b5051d5e170ce756826852ba53ab1f5f8505debcf8d52dd1"`
[INFO] running `"docker" "rm" "-f" "dd57e4fdd7bd94e4b5051d5e170ce756826852ba53ab1f5f8505debcf8d52dd1"`
[INFO] [stdout] dd57e4fdd7bd94e4b5051d5e170ce756826852ba53ab1f5f8505debcf8d52dd1