[INFO] cloning repository https://github.com/supratikchatterjee16/nlp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supratikchatterjee16/nlp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupratikchatterjee16%2Fnlp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupratikchatterjee16%2Fnlp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b53368ad10d025dec1b9b67ea37b766fd73b5209
[INFO] checking supratikchatterjee16/nlp against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupratikchatterjee16%2Fnlp" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/supratikchatterjee16/nlp on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb78a592d4b48fc9c8583a167b33b41703d9c2c02dec65144a322873b19a26f2
[INFO] running `Command { std: "docker" "start" "-a" "fb78a592d4b48fc9c8583a167b33b41703d9c2c02dec65144a322873b19a26f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb78a592d4b48fc9c8583a167b33b41703d9c2c02dec65144a322873b19a26f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb78a592d4b48fc9c8583a167b33b41703d9c2c02dec65144a322873b19a26f2", kill_on_drop: false }`
[INFO] [stdout] fb78a592d4b48fc9c8583a167b33b41703d9c2c02dec65144a322873b19a26f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fee8e1e2b234fca43e400a1b55e465b323d6c59c80517f680ef9b70b36502258
[INFO] running `Command { std: "docker" "start" "-a" "fee8e1e2b234fca43e400a1b55e465b323d6c59c80517f680ef9b70b36502258", kill_on_drop: false }`
[INFO] [stderr]     Checking nlp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0252]: the name `Context` is defined multiple times
[INFO] [stdout]   --> src/nlp/structure/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use crate::nlp::structure::context::Context;
[INFO] [stdout]    |         --------------------------------------- previous import of the type `Context` here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use self::context::Context;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ `Context` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Context` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::context::Context`
[INFO] [stdout]   --> src/nlp/structure/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use self::context::Context;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nlp`
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "fee8e1e2b234fca43e400a1b55e465b323d6c59c80517f680ef9b70b36502258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee8e1e2b234fca43e400a1b55e465b323d6c59c80517f680ef9b70b36502258", kill_on_drop: false }`
[INFO] [stdout] fee8e1e2b234fca43e400a1b55e465b323d6c59c80517f680ef9b70b36502258