[INFO] updating cached repository dat2/rtags
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dat2/rtags
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/rtags" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dat2/rtags"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dat2/rtags'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/rtags" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dat2/rtags"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dat2/rtags'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cefc538cb957ee08cb6a5a33e830dfbda0171a70
[INFO] sha for GitHub repo dat2/rtags: cefc538cb957ee08cb6a5a33e830dfbda0171a70
[INFO] validating manifest of dat2/rtags 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 dat2/rtags 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 dat2/rtags
[INFO] finished frobbing dat2/rtags
[INFO] frobbed toml for dat2/rtags written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dat2/rtags/Cargo.toml
[INFO] started frobbing dat2/rtags
[INFO] finished frobbing dat2/rtags
[INFO] frobbed toml for dat2/rtags written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dat2/rtags/Cargo.toml
[INFO] crate dat2/rtags 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 dat2/rtags against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dat2/rtags:/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] 67d4055df7c907237023b16363e2c07137b1eedb9e41491d14f0d6614911679d
[INFO] running `"docker" "start" "-a" "67d4055df7c907237023b16363e2c07137b1eedb9e41491d14f0d6614911679d"`
[INFO] [stderr]     Checking rtags v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parsers/mod.rs:49:38
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn detect(filename: &str) -> Box<TagParser> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn TagParser`
[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/parsers/mod.rs:49:38
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn detect(filename: &str) -> Box<TagParser> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn TagParser`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QPattern`
[INFO] [stderr]  --> src/tag.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     QPattern(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LineNo`
[INFO] [stderr]  --> src/tag.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     LineNo(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QPattern`
[INFO] [stderr]  --> src/tag.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     QPattern(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LineNo`
[INFO] [stderr]  --> src/tag.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     LineNo(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "67d4055df7c907237023b16363e2c07137b1eedb9e41491d14f0d6614911679d"`
[INFO] running `"docker" "rm" "-f" "67d4055df7c907237023b16363e2c07137b1eedb9e41491d14f0d6614911679d"`
[INFO] [stdout] 67d4055df7c907237023b16363e2c07137b1eedb9e41491d14f0d6614911679d