[INFO] crate kontex 0.2.0 is already in cache
[INFO] extracting crate kontex 0.2.0 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/kontex/0.2.0
[INFO] extracting crate kontex 0.2.0 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/kontex/0.2.0
[INFO] validating manifest of kontex-0.2.0 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kontex-0.2.0 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kontex-0.2.0
[INFO] finished frobbing kontex-0.2.0
[INFO] frobbed toml for kontex-0.2.0 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/kontex/0.2.0/Cargo.toml
[INFO] started frobbing kontex-0.2.0
[INFO] finished frobbing kontex-0.2.0
[INFO] frobbed toml for kontex-0.2.0 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/kontex/0.2.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kontex-0.2.0 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-5/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/kontex/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 05cef8795bad1f13d24d5da88a3d40ef4a78ea54739b8e02b01d14e7b2c6805f
[INFO] running `"docker" "start" "-a" "05cef8795bad1f13d24d5da88a3d40ef4a78ea54739b8e02b01d14e7b2c6805f"`
[INFO] [stderr]     Checking kontex v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `analyzers::standard_analyzer::StandardAnalyzer`
[INFO] [stderr]   --> src/index/mod.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use analyzers::standard_analyzer::StandardAnalyzer;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/index/mod.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |         if let Some(ref key) = self.key {
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/index/mod.rs:158:25
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if let Some(ref path) = self.path {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analyzers/standard_analyzer.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let mut count = word_count.entry(word.to_owned()).or_insert(0);
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `analyzer::Analyzer`
[INFO] [stderr]   --> src/index/mod.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use analyzer::Analyzer;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/index/mod.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |         if let Some(ref key) = self.key {
[INFO] [stderr]     |                         ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/index/mod.rs:158:25
[INFO] [stderr]     |
[INFO] [stderr] 158 |         if let Some(ref path) = self.path {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analyzers/standard_analyzer.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 let mut count = word_count.entry(word.to_owned()).or_insert(0);
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index/mod.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         index.add_document(document.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index/mod.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         index.add_document(document1.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index/mod.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         index.add_document(document.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index/mod.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         index.add_document(document);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index/mod.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         index.add_document(document.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "05cef8795bad1f13d24d5da88a3d40ef4a78ea54739b8e02b01d14e7b2c6805f"`
[INFO] running `"docker" "rm" "-f" "05cef8795bad1f13d24d5da88a3d40ef4a78ea54739b8e02b01d14e7b2c6805f"`
[INFO] [stdout] 05cef8795bad1f13d24d5da88a3d40ef4a78ea54739b8e02b01d14e7b2c6805f