[INFO] updating cached repository aoikonomopoulos/contgrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aoikonomopoulos/contgrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aoikonomopoulos/contgrep" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/aoikonomopoulos/contgrep"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/aoikonomopoulos/contgrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aoikonomopoulos/contgrep" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/aoikonomopoulos/contgrep"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/aoikonomopoulos/contgrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e366880993445392ff8e20a79c5d280d39d2c14
[INFO] sha for GitHub repo aoikonomopoulos/contgrep: 6e366880993445392ff8e20a79c5d280d39d2c14
[INFO] validating manifest of aoikonomopoulos/contgrep on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aoikonomopoulos/contgrep on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aoikonomopoulos/contgrep
[INFO] finished frobbing aoikonomopoulos/contgrep
[INFO] frobbed toml for aoikonomopoulos/contgrep written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/aoikonomopoulos/contgrep/Cargo.toml
[INFO] started frobbing aoikonomopoulos/contgrep
[INFO] finished frobbing aoikonomopoulos/contgrep
[INFO] frobbed toml for aoikonomopoulos/contgrep written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/aoikonomopoulos/contgrep/Cargo.toml
[INFO] crate aoikonomopoulos/contgrep already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking aoikonomopoulos/contgrep against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/aoikonomopoulos/contgrep:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5dd052e0f6f03da2c792f2c90269c459332f0ffef30a32daad7df960b2b0b0b5
[INFO] running `"docker" "start" "-a" "5dd052e0f6f03da2c792f2c90269c459332f0ffef30a32daad7df960b2b0b0b5"`
[INFO] [stderr]     Checking contgrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn format_append_line(acc : &mut io::Write, fctx : &FormatCtx, bytes : &[u8]) -> io::Result<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/main.rs:54:42
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn search_file(p : &Path, cont_sel: &Box<Fn(&[u8]) -> bool>, regex_set : &RegexSet,
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:97:54
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn search_files(filepaths : &[&Path], cont_sel : Box<Fn(&[u8]) -> bool>, regex_set : &RegexSet,
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:106:49
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn build_cont_sel(matches : &ArgMatches) -> Box<Fn(&[u8]) -> bool> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:34
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn format_append_line(acc : &mut io::Write, fctx : &FormatCtx, bytes : &[u8]) -> io::Result<()> {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/main.rs:54:42
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn search_file(p : &Path, cont_sel: &Box<Fn(&[u8]) -> bool>, regex_set : &RegexSet,
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:97:54
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn search_files(filepaths : &[&Path], cont_sel : Box<Fn(&[u8]) -> bool>, regex_set : &RegexSet,
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:106:49
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn build_cont_sel(matches : &ArgMatches) -> Box<Fn(&[u8]) -> bool> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> bool`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "5dd052e0f6f03da2c792f2c90269c459332f0ffef30a32daad7df960b2b0b0b5"`
[INFO] running `"docker" "rm" "-f" "5dd052e0f6f03da2c792f2c90269c459332f0ffef30a32daad7df960b2b0b0b5"`
[INFO] [stdout] 5dd052e0f6f03da2c792f2c90269c459332f0ffef30a32daad7df960b2b0b0b5