[INFO] updating cached repository mrageh/simplegrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mrageh/simplegrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mrageh/simplegrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/mrageh/simplegrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mrageh/simplegrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mrageh/simplegrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrageh/simplegrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrageh/simplegrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 223bf40a3507785b90529180d0846367a08cba77
[INFO] sha for GitHub repo mrageh/simplegrep: 223bf40a3507785b90529180d0846367a08cba77
[INFO] validating manifest of mrageh/simplegrep on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mrageh/simplegrep on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mrageh/simplegrep
[INFO] finished frobbing mrageh/simplegrep
[INFO] frobbed toml for mrageh/simplegrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/mrageh/simplegrep/Cargo.toml
[INFO] started frobbing mrageh/simplegrep
[INFO] finished frobbing mrageh/simplegrep
[INFO] frobbed toml for mrageh/simplegrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrageh/simplegrep/Cargo.toml
[INFO] crate mrageh/simplegrep already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mrageh/simplegrep against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mrageh/simplegrep:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fb22ab66d74130e0a53e64d43002c481ed69f760823901b0e08f5cb77f4cf2d2
[INFO] running `"docker" "start" "-a" "fb22ab66d74130e0a53e64d43002c481ed69f760823901b0e08f5cb77f4cf2d2"`
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling regex-automata v0.1.7
[INFO] [stderr]    Compiling grep-matcher v0.1.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling encoding_rs_io v0.1.6
[INFO] [stderr]    Compiling grep-regex v0.1.3
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling grep-searcher v0.1.4
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling grep-printer v0.1.2
[INFO] [stderr]    Compiling grep-cli v0.1.2
[INFO] [stderr]    Compiling grep v0.2.4
[INFO] [stderr]    Compiling simplegrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn try_main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Error`
[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:43:64
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn search(pattern: &str, paths: &[OsString]) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `"docker" "inspect" "fb22ab66d74130e0a53e64d43002c481ed69f760823901b0e08f5cb77f4cf2d2"`
[INFO] running `"docker" "rm" "-f" "fb22ab66d74130e0a53e64d43002c481ed69f760823901b0e08f5cb77f4cf2d2"`
[INFO] [stdout] fb22ab66d74130e0a53e64d43002c481ed69f760823901b0e08f5cb77f4cf2d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mrageh/simplegrep:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0fb27375ca860540d965d9fc5abc971d3aae76adbf74e5df30ab021bcfb49439
[INFO] running `"docker" "start" "-a" "0fb27375ca860540d965d9fc5abc971d3aae76adbf74e5df30ab021bcfb49439"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simplegrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn try_main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Error`
[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:43:64
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn search(pattern: &str, paths: &[OsString]) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "0fb27375ca860540d965d9fc5abc971d3aae76adbf74e5df30ab021bcfb49439"`
[INFO] running `"docker" "rm" "-f" "0fb27375ca860540d965d9fc5abc971d3aae76adbf74e5df30ab021bcfb49439"`
[INFO] [stdout] 0fb27375ca860540d965d9fc5abc971d3aae76adbf74e5df30ab021bcfb49439
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mrageh/simplegrep:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f06d699fb1c655e3527eca7d2102d6201fa3de7a304f8a960840faf7a9ab7ccd
[INFO] running `"docker" "start" "-a" "f06d699fb1c655e3527eca7d2102d6201fa3de7a304f8a960840faf7a9ab7ccd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simplegrep-9e09f004fb54636c
[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" "f06d699fb1c655e3527eca7d2102d6201fa3de7a304f8a960840faf7a9ab7ccd"`
[INFO] running `"docker" "rm" "-f" "f06d699fb1c655e3527eca7d2102d6201fa3de7a304f8a960840faf7a9ab7ccd"`
[INFO] [stdout] f06d699fb1c655e3527eca7d2102d6201fa3de7a304f8a960840faf7a9ab7ccd