[INFO] updating cached repository marco-fp/rusty_grep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marco-fp/rusty_grep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marco-fp/rusty_grep" "work/ex/beta-1.37-6/sources/1.36.0/gh/marco-fp/rusty_grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/marco-fp/rusty_grep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marco-fp/rusty_grep" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marco-fp/rusty_grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marco-fp/rusty_grep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 20700e006fbe1c7ecebc7f061fe81162536458a5
[INFO] sha for GitHub repo marco-fp/rusty_grep: 20700e006fbe1c7ecebc7f061fe81162536458a5
[INFO] validating manifest of marco-fp/rusty_grep 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 marco-fp/rusty_grep 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 marco-fp/rusty_grep
[INFO] finished frobbing marco-fp/rusty_grep
[INFO] frobbed toml for marco-fp/rusty_grep written to work/ex/beta-1.37-6/sources/1.36.0/gh/marco-fp/rusty_grep/Cargo.toml
[INFO] started frobbing marco-fp/rusty_grep
[INFO] finished frobbing marco-fp/rusty_grep
[INFO] frobbed toml for marco-fp/rusty_grep written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marco-fp/rusty_grep/Cargo.toml
[INFO] crate marco-fp/rusty_grep 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 marco-fp/rusty_grep 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-6/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/marco-fp/rusty_grep:/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] 4c9b2ac12658e601b9b70585ae224a43d91e65f6f91a1172ddf96c8053d83400
[INFO] running `"docker" "start" "-a" "4c9b2ac12658e601b9b70585ae224a43d91e65f6f91a1172ddf96c8053d83400"`
[INFO] [stderr]    Compiling rusty_grep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(config: Config) -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "4c9b2ac12658e601b9b70585ae224a43d91e65f6f91a1172ddf96c8053d83400"`
[INFO] running `"docker" "rm" "-f" "4c9b2ac12658e601b9b70585ae224a43d91e65f6f91a1172ddf96c8053d83400"`
[INFO] [stdout] 4c9b2ac12658e601b9b70585ae224a43d91e65f6f91a1172ddf96c8053d83400
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/marco-fp/rusty_grep:/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] 08bdbc19d7505497684fc2fb8375208773c8e5d6fb56e4de635241e5b7da9913
[INFO] running `"docker" "start" "-a" "08bdbc19d7505497684fc2fb8375208773c8e5d6fb56e4de635241e5b7da9913"`
[INFO] [stderr]    Compiling rusty_grep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(config: Config) -> 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "08bdbc19d7505497684fc2fb8375208773c8e5d6fb56e4de635241e5b7da9913"`
[INFO] running `"docker" "rm" "-f" "08bdbc19d7505497684fc2fb8375208773c8e5d6fb56e4de635241e5b7da9913"`
[INFO] [stdout] 08bdbc19d7505497684fc2fb8375208773c8e5d6fb56e4de635241e5b7da9913
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/marco-fp/rusty_grep:/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] a0780d335607f8d846fe4a34febc64f4b534aa5d69b43ce8a974ea8f620b6c2d
[INFO] running `"docker" "start" "-a" "a0780d335607f8d846fe4a34febc64f4b534aa5d69b43ce8a974ea8f620b6c2d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_grep-3c58ff8dc22a85f3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::one_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_grep-689ab7a213e004a3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty_grep
[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] [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" "a0780d335607f8d846fe4a34febc64f4b534aa5d69b43ce8a974ea8f620b6c2d"`
[INFO] running `"docker" "rm" "-f" "a0780d335607f8d846fe4a34febc64f4b534aa5d69b43ce8a974ea8f620b6c2d"`
[INFO] [stdout] a0780d335607f8d846fe4a34febc64f4b534aa5d69b43ce8a974ea8f620b6c2d