[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] testing supratikchatterjee16/nlp against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupratikchatterjee16%2Fnlp" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/supratikchatterjee16/nlp on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dd6f59a7484fd03902a770c0f6c3864c021d57f8bdff542f761d7db8285273b
[INFO] running `Command { std: "docker" "start" "-a" "0dd6f59a7484fd03902a770c0f6c3864c021d57f8bdff542f761d7db8285273b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd6f59a7484fd03902a770c0f6c3864c021d57f8bdff542f761d7db8285273b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd6f59a7484fd03902a770c0f6c3864c021d57f8bdff542f761d7db8285273b", kill_on_drop: false }`
[INFO] [stdout] 0dd6f59a7484fd03902a770c0f6c3864c021d57f8bdff542f761d7db8285273b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea559aa4d613f5123939794f96d41efcce657cc9ad5645218b766ca02de114c
[INFO] running `Command { std: "docker" "start" "-a" "7ea559aa4d613f5123939794f96d41efcce657cc9ad5645218b766ca02de114c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nlp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `is_tokenized`
[INFO] [stdout]   --> src/nlp/structure/sentence.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     is_tokenized : bool
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Sentence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nlp/structure/sentence.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "7ea559aa4d613f5123939794f96d41efcce657cc9ad5645218b766ca02de114c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea559aa4d613f5123939794f96d41efcce657cc9ad5645218b766ca02de114c", kill_on_drop: false }`
[INFO] [stdout] 7ea559aa4d613f5123939794f96d41efcce657cc9ad5645218b766ca02de114c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c9a17a0977f625d7391142cb42b508d2b411f48e6b8efbcf91667c9c7e465c3
[INFO] running `Command { std: "docker" "start" "-a" "1c9a17a0977f625d7391142cb42b508d2b411f48e6b8efbcf91667c9c7e465c3", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `is_tokenized`
[INFO] [stdout]   --> src/nlp/structure/sentence.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     is_tokenized : bool
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Sentence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/nlp/structure/sentence.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nlp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nlp` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1c9a17a0977f625d7391142cb42b508d2b411f48e6b8efbcf91667c9c7e465c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9a17a0977f625d7391142cb42b508d2b411f48e6b8efbcf91667c9c7e465c3", kill_on_drop: false }`
[INFO] [stdout] 1c9a17a0977f625d7391142cb42b508d2b411f48e6b8efbcf91667c9c7e465c3