[INFO] updating cached repository raafael911/rgrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/raafael911/rgrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/raafael911/rgrep" "work/ex/beta-1.37-6/sources/1.36.0/gh/raafael911/rgrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/raafael911/rgrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/raafael911/rgrep" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/raafael911/rgrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/raafael911/rgrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8b65f30e304d04c57ce432cd9e1a07d7783fbe8
[INFO] sha for GitHub repo raafael911/rgrep: b8b65f30e304d04c57ce432cd9e1a07d7783fbe8
[INFO] validating manifest of raafael911/rgrep on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of raafael911/rgrep on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing raafael911/rgrep
[INFO] finished frobbing raafael911/rgrep
[INFO] frobbed toml for raafael911/rgrep written to work/ex/beta-1.37-6/sources/1.36.0/gh/raafael911/rgrep/Cargo.toml
[INFO] started frobbing raafael911/rgrep
[INFO] finished frobbing raafael911/rgrep
[INFO] frobbed toml for raafael911/rgrep written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/raafael911/rgrep/Cargo.toml
[INFO] crate raafael911/rgrep already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing raafael911/rgrep against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/raafael911/rgrep:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d07ee1bad9e8d9e55f0ba2284d500374c4df4e4e4238526b2eff1a8ff549336e
[INFO] running `"docker" "start" "-a" "d07ee1bad9e8d9e55f0ba2284d500374c4df4e4e4238526b2eff1a8ff549336e"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling rgrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `line_number`
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     line_number: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.46s
[INFO] running `"docker" "inspect" "d07ee1bad9e8d9e55f0ba2284d500374c4df4e4e4238526b2eff1a8ff549336e"`
[INFO] running `"docker" "rm" "-f" "d07ee1bad9e8d9e55f0ba2284d500374c4df4e4e4238526b2eff1a8ff549336e"`
[INFO] [stdout] d07ee1bad9e8d9e55f0ba2284d500374c4df4e4e4238526b2eff1a8ff549336e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/raafael911/rgrep:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3bb23f78d83cc6bc29e2e1d63897da0ca34e2ad28469bf77444c53f90c35ac76
[INFO] running `"docker" "start" "-a" "3bb23f78d83cc6bc29e2e1d63897da0ca34e2ad28469bf77444c53f90c35ac76"`
[INFO] [stderr]    Compiling rgrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `line_number`
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     line_number: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "3bb23f78d83cc6bc29e2e1d63897da0ca34e2ad28469bf77444c53f90c35ac76"`
[INFO] running `"docker" "rm" "-f" "3bb23f78d83cc6bc29e2e1d63897da0ca34e2ad28469bf77444c53f90c35ac76"`
[INFO] [stdout] 3bb23f78d83cc6bc29e2e1d63897da0ca34e2ad28469bf77444c53f90c35ac76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/raafael911/rgrep:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e2a97e5bf9e7a6d519f11b0b8eb16a68a4fa8183b47488a4b774a71ec7612462
[INFO] running `"docker" "start" "-a" "e2a97e5bf9e7a6d519f11b0b8eb16a68a4fa8183b47488a4b774a71ec7612462"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rgrep-a691b041b8479933
[INFO] [stdout] test tests::two_matches ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rgrep-1925ec31ccf3bd96
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rgrep
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e2a97e5bf9e7a6d519f11b0b8eb16a68a4fa8183b47488a4b774a71ec7612462"`
[INFO] running `"docker" "rm" "-f" "e2a97e5bf9e7a6d519f11b0b8eb16a68a4fa8183b47488a4b774a71ec7612462"`
[INFO] [stdout] e2a97e5bf9e7a6d519f11b0b8eb16a68a4fa8183b47488a4b774a71ec7612462