[INFO] fetching crate conllu 0.4.1...
[INFO] checking conllu-0.4.1 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate conllu 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate conllu 0.4.1 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate conllu 0.4.1
[INFO] finished tweaking crates.io crate conllu 0.4.1
[INFO] tweaked toml for crates.io crate conllu 0.4.1 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] 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] 15033569dc35ceae7129fd9a71203e9a2e6a6e17594758e176cdd5dca72ff42e
[INFO] running `"docker" "start" "-a" "15033569dc35ceae7129fd9a71203e9a2e6a6e17594758e176cdd5dca72ff42e"`
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking conllu v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `test`
[INFO] [stderr]  --> benches/features.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use test::{black_box, Bencher};
[INFO] [stderr]   |     ^^^^ use of undeclared type or module `test`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_string` found for struct `conllu::token::Features` in the current scope
[INFO] [stderr]   --> benches/features.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let features = Features::from_string(*f_str);
[INFO] [stderr]    |                                      ^^^^^^^^^^^ function or associated item not found in `conllu::token::Features`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `conllu`.
[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" "15033569dc35ceae7129fd9a71203e9a2e6a6e17594758e176cdd5dca72ff42e"`
[INFO] running `"docker" "rm" "-f" "15033569dc35ceae7129fd9a71203e9a2e6a6e17594758e176cdd5dca72ff42e"`
[INFO] [stdout] 15033569dc35ceae7129fd9a71203e9a2e6a6e17594758e176cdd5dca72ff42e