[INFO] updating cached repository nxnfufunezn/ts
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nxnfufunezn/ts
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nxnfufunezn/ts" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nxnfufunezn/ts"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nxnfufunezn/ts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nxnfufunezn/ts" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nxnfufunezn/ts"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nxnfufunezn/ts'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] acba6c75d4cfee99e5477755af4df1168d1684bd
[INFO] sha for GitHub repo nxnfufunezn/ts: acba6c75d4cfee99e5477755af4df1168d1684bd
[INFO] validating manifest of nxnfufunezn/ts on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nxnfufunezn/ts on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nxnfufunezn/ts
[INFO] finished frobbing nxnfufunezn/ts
[INFO] frobbed toml for nxnfufunezn/ts written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nxnfufunezn/ts/Cargo.toml
[INFO] started frobbing nxnfufunezn/ts
[INFO] finished frobbing nxnfufunezn/ts
[INFO] frobbed toml for nxnfufunezn/ts written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nxnfufunezn/ts/Cargo.toml
[INFO] crate nxnfufunezn/ts already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nxnfufunezn/ts/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nxnfufunezn/ts against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nxnfufunezn/ts:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6156388b0872b9887a8d8fb5cee3686b9175b30cb5a1f72df34a73a3b3035ce3
[INFO] running `"docker" "start" "-a" "6156388b0872b9887a8d8fb5cee3686b9175b30cb5a1f72df34a73a3b3035ce3"`
[INFO] [stderr]     Checking text_search v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/kmp.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         File::open(dir.path())
[INFO] [stderr] 45 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stderr] 46 | |             .and_then(|mut file| {
[INFO] [stderr] 47 | |                 file.read_to_string(&mut buffer)
[INFO] [stderr] 48 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stderr] 49 | |             });
[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/bmh.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | /         File::open(dir.path())
[INFO] [stderr] 28 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stderr] 29 | |             .and_then(|mut file| {
[INFO] [stderr] 30 | |                 file.read_to_string(&mut buffer)
[INFO] [stderr] 31 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stderr] 32 | |             });
[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/frmlib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | /         File::open(dir.path())
[INFO] [stderr] 20 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stderr] 21 | |             .and_then(|mut file| {
[INFO] [stderr] 22 | |                 file.read_to_string(&mut buffer)
[INFO] [stderr] 23 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stderr] 24 | |             });
[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/kmp.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         File::open(dir.path())
[INFO] [stderr] 45 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stderr] 46 | |             .and_then(|mut file| {
[INFO] [stderr] 47 | |                 file.read_to_string(&mut buffer)
[INFO] [stderr] 48 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stderr] 49 | |             });
[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/bmh.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | /         File::open(dir.path())
[INFO] [stderr] 28 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stderr] 29 | |             .and_then(|mut file| {
[INFO] [stderr] 30 | |                 file.read_to_string(&mut buffer)
[INFO] [stderr] 31 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stderr] 32 | |             });
[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/frmlib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | /         File::open(dir.path())
[INFO] [stderr] 20 | |             .map_err(|err| Error::NotAbleToOpenFile(err.to_string()))
[INFO] [stderr] 21 | |             .and_then(|mut file| {
[INFO] [stderr] 22 | |                 file.read_to_string(&mut buffer)
[INFO] [stderr] 23 | |                     .map_err(|err| Error::FileNotReadable(err.to_string()))
[INFO] [stderr] 24 | |             });
[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 0.42s
[INFO] running `"docker" "inspect" "6156388b0872b9887a8d8fb5cee3686b9175b30cb5a1f72df34a73a3b3035ce3"`
[INFO] running `"docker" "rm" "-f" "6156388b0872b9887a8d8fb5cee3686b9175b30cb5a1f72df34a73a3b3035ce3"`
[INFO] [stdout] 6156388b0872b9887a8d8fb5cee3686b9175b30cb5a1f72df34a73a3b3035ce3