[INFO] updating cached repository kapitanov/rust-grep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kapitanov/rust-grep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kapitanov/rust-grep" "work/ex/beta-1.38-1/sources/1.37.0/gh/kapitanov/rust-grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kapitanov/rust-grep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kapitanov/rust-grep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kapitanov/rust-grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kapitanov/rust-grep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23d6a3d98837751c974061b13651432753ed0436
[INFO] sha for GitHub repo kapitanov/rust-grep: 23d6a3d98837751c974061b13651432753ed0436
[INFO] validating manifest of kapitanov/rust-grep 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 kapitanov/rust-grep 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 kapitanov/rust-grep
[INFO] finished frobbing kapitanov/rust-grep
[INFO] frobbed toml for kapitanov/rust-grep written to work/ex/beta-1.38-1/sources/1.37.0/gh/kapitanov/rust-grep/Cargo.toml
[INFO] started frobbing kapitanov/rust-grep
[INFO] finished frobbing kapitanov/rust-grep
[INFO] frobbed toml for kapitanov/rust-grep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kapitanov/rust-grep/Cargo.toml
[INFO] crate kapitanov/rust-grep 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 kapitanov/rust-grep against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kapitanov/rust-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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c4b5c5e3515ae4befa27772493c590e5df988a9eae1a432bf474e349f9c7507f
[INFO] running `"docker" "start" "-a" "c4b5c5e3515ae4befa27772493c590e5df988a9eae1a432bf474e349f9c7507f"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rustgrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/grep.rs:17:72
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result<Box<Pattern>, String>;
[INFO] [stderr]    |                                                                        ^^^^^^^ help: use `dyn`: `dyn Pattern`
[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/grep.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |     patterns: Vec<Box<Pattern>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/grep.rs:31:35
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut patterns: Vec<Box<Pattern>> = vec![];
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:129:30
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn instance<'a>() -> &'a PatternFactory {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:139:72
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result<Box<Pattern>, String> {
[INFO] [stderr]     |                                                                        ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:167:30
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn instance<'a>() -> &'a PatternFactory {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:177:72
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result<Box<Pattern>, String> {
[INFO] [stderr]     |                                                                        ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `"docker" "inspect" "c4b5c5e3515ae4befa27772493c590e5df988a9eae1a432bf474e349f9c7507f"`
[INFO] running `"docker" "rm" "-f" "c4b5c5e3515ae4befa27772493c590e5df988a9eae1a432bf474e349f9c7507f"`
[INFO] [stdout] c4b5c5e3515ae4befa27772493c590e5df988a9eae1a432bf474e349f9c7507f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kapitanov/rust-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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b5fc70a5a3063e4ac4809238c19ac733df7cfc25b3e3bebd2c337cfa9743309f
[INFO] running `"docker" "start" "-a" "b5fc70a5a3063e4ac4809238c19ac733df7cfc25b3e3bebd2c337cfa9743309f"`
[INFO] [stderr]    Compiling rustgrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/grep.rs:17:72
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result<Box<Pattern>, String>;
[INFO] [stderr]    |                                                                        ^^^^^^^ help: use `dyn`: `dyn Pattern`
[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/grep.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |     patterns: Vec<Box<Pattern>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/grep.rs:31:35
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut patterns: Vec<Box<Pattern>> = vec![];
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:129:30
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn instance<'a>() -> &'a PatternFactory {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:139:72
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result<Box<Pattern>, String> {
[INFO] [stderr]     |                                                                        ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:167:30
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn instance<'a>() -> &'a PatternFactory {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PatternFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/grep.rs:177:72
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn try_create<'a>(&self, s: &str, ignore_case: bool) -> Result<Box<Pattern>, String> {
[INFO] [stderr]     |                                                                        ^^^^^^^ help: use `dyn`: `dyn Pattern`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "b5fc70a5a3063e4ac4809238c19ac733df7cfc25b3e3bebd2c337cfa9743309f"`
[INFO] running `"docker" "rm" "-f" "b5fc70a5a3063e4ac4809238c19ac733df7cfc25b3e3bebd2c337cfa9743309f"`
[INFO] [stdout] b5fc70a5a3063e4ac4809238c19ac733df7cfc25b3e3bebd2c337cfa9743309f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kapitanov/rust-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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 134d99d2380c8157efde68bae228095e1dbc4c3cd2071eacaa17a35e449f5f7e
[INFO] running `"docker" "start" "-a" "134d99d2380c8157efde68bae228095e1dbc4c3cd2071eacaa17a35e449f5f7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustgrep-51c65bed3cbb6cb3
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test grep::tests::contains_none ... ok
[INFO] [stdout] test grep::tests::contains_one ... ok
[INFO] [stdout] test grep::tests::contains_few ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "134d99d2380c8157efde68bae228095e1dbc4c3cd2071eacaa17a35e449f5f7e"`
[INFO] running `"docker" "rm" "-f" "134d99d2380c8157efde68bae228095e1dbc4c3cd2071eacaa17a35e449f5f7e"`
[INFO] [stdout] 134d99d2380c8157efde68bae228095e1dbc4c3cd2071eacaa17a35e449f5f7e