[INFO] updating cached repository mdietrichstein/ir-search-engine-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdietrichstein/ir-search-engine-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdietrichstein/ir-search-engine-rust" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mdietrichstein/ir-search-engine-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mdietrichstein/ir-search-engine-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdietrichstein/ir-search-engine-rust" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/mdietrichstein/ir-search-engine-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/mdietrichstein/ir-search-engine-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53928eec92a4dbbdc0ec6a2c560c368ba596bf8e
[INFO] sha for GitHub repo mdietrichstein/ir-search-engine-rust: 53928eec92a4dbbdc0ec6a2c560c368ba596bf8e
[INFO] validating manifest of mdietrichstein/ir-search-engine-rust on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdietrichstein/ir-search-engine-rust on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mdietrichstein/ir-search-engine-rust
[INFO] finished frobbing mdietrichstein/ir-search-engine-rust
[INFO] frobbed toml for mdietrichstein/ir-search-engine-rust written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mdietrichstein/ir-search-engine-rust/Cargo.toml
[INFO] started frobbing mdietrichstein/ir-search-engine-rust
[INFO] finished frobbing mdietrichstein/ir-search-engine-rust
[INFO] frobbed toml for mdietrichstein/ir-search-engine-rust written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/mdietrichstein/ir-search-engine-rust/Cargo.toml
[INFO] crate mdietrichstein/ir-search-engine-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mdietrichstein/ir-search-engine-rust against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/mdietrichstein/ir-search-engine-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6fd3170e5609d08a0626e83f41d060b4b73de730b8a0b8b9bdeb8631b47c6b87
[INFO] running `"docker" "start" "-a" "6fd3170e5609d08a0626e83f41d060b4b73de730b8a0b8b9bdeb8631b47c6b87"`
[INFO] [stderr]     Checking farmhash v1.1.5
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking encoding_rs_io v0.1.4
[INFO] [stderr]     Checking rust-stemmers v1.1.0
[INFO] [stderr]     Checking wordnet_stemmer v0.1.1
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking text_retrieval v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/preprocessing/mod.rs:36:29
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub type Preprocessor = Box<Fn(&[String]) -> Vec<String>>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[String]) -> Vec<String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tokenization/mod.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | ) -> Box<Iterator<Item = Token> + 'a> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/preprocessing/mod.rs:36:29
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub type Preprocessor = Box<Fn(&[String]) -> Vec<String>>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[String]) -> Vec<String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tokenization/mod.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | ) -> Box<Iterator<Item = Token> + 'a> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.16s
[INFO] running `"docker" "inspect" "6fd3170e5609d08a0626e83f41d060b4b73de730b8a0b8b9bdeb8631b47c6b87"`
[INFO] running `"docker" "rm" "-f" "6fd3170e5609d08a0626e83f41d060b4b73de730b8a0b8b9bdeb8631b47c6b87"`
[INFO] [stdout] 6fd3170e5609d08a0626e83f41d060b4b73de730b8a0b8b9bdeb8631b47c6b87