[INFO] updating cached repository https://github.com/supratikchatterjee16/nlp
[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] b53368ad10d025dec1b9b67ea37b766fd73b5209
[INFO] checking supratikchatterjee16/nlp against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupratikchatterjee16%2Fnlp" "/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/supratikchatterjee16/nlp on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/supratikchatterjee16/nlp
[INFO] finished tweaking git repo https://github.com/supratikchatterjee16/nlp
[INFO] tweaked toml for git repo https://github.com/supratikchatterjee16/nlp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2c81a3713c5870daeee390caaaf09d3b80956e47e0df19c580f21e5c0b78e6bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2c81a3713c5870daeee390caaaf09d3b80956e47e0df19c580f21e5c0b78e6bc"`
[INFO] [stderr]     Checking nlp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0252]: the name `Context` is defined multiple times
[INFO] [stderr]   --> src/nlp/structure/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub use crate::nlp::structure::context::Context;
[INFO] [stderr]    |         --------------------------------------- previous import of the type `Context` here
[INFO] [stderr] ...
[INFO] [stderr] 25 | use self::context::Context;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ `Context` reimported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Context` must be defined only once in the type namespace of this module
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::context::Context`
[INFO] [stderr]   --> src/nlp/structure/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use self::context::Context;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0252`.
[INFO] [stderr] error: could not compile `nlp`.
[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" "2c81a3713c5870daeee390caaaf09d3b80956e47e0df19c580f21e5c0b78e6bc"`
[INFO] running `"docker" "rm" "-f" "2c81a3713c5870daeee390caaaf09d3b80956e47e0df19c580f21e5c0b78e6bc"`
[INFO] [stdout] 2c81a3713c5870daeee390caaaf09d3b80956e47e0df19c580f21e5c0b78e6bc