[INFO] crate htmlgrep 0.3.0 is already in cache
[INFO] extracting crate htmlgrep 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/htmlgrep/0.3.0
[INFO] extracting crate htmlgrep 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/htmlgrep/0.3.0
[INFO] validating manifest of htmlgrep-0.3.0 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 htmlgrep-0.3.0 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 htmlgrep-0.3.0
[INFO] finished frobbing htmlgrep-0.3.0
[INFO] frobbed toml for htmlgrep-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/htmlgrep/0.3.0/Cargo.toml
[INFO] started frobbing htmlgrep-0.3.0
[INFO] finished frobbing htmlgrep-0.3.0
[INFO] frobbed toml for htmlgrep-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/htmlgrep/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 htmlgrep-0.3.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/htmlgrep/0.3.0:/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] c924be54491d11ae200df3f6271af97d6185b02afb7320f5d58d81f83106752e
[INFO] running `"docker" "start" "-a" "c924be54491d11ae200df3f6271af97d6185b02afb7320f5d58d81f83106752e"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling kuchiki v0.7.3
[INFO] [stderr]    Compiling htmlgrep v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> flag.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 b'0'...b'9' => {}
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> flag.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 b'0'...b'9' => i64::from(b - b'0'),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> result.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> grep.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 let mut raw_source = node.to_string();
[INFO] [stderr]    |                     ----^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> css.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 let mut file = File::open(path.clone()).map_err(|e| (e, path.clone()))?;
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0382]: use of moved value: `matches`
[INFO] [stderr]    --> css.rs:211:36
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn print_count(matches: htmlgrep::Matches, opts: Options) {
[INFO] [stderr]     |                ------- move occurs because `matches` has type `htmlgrep::Matches`, which does not implement the `Copy` trait
[INFO] [stderr] 209 |     match opts.max {
[INFO] [stderr] 210 |         Some(n) if matches.count() > n => print!("{}{}", n, opts.separator),
[INFO] [stderr]     |                    ------- value moved here
[INFO] [stderr] 211 |         Some(_) | None => print!("{}{}", matches.count(), opts.separator),
[INFO] [stderr]     |                                          ^^^^^^^ value used here after move
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.84s
[INFO] running `"docker" "inspect" "c924be54491d11ae200df3f6271af97d6185b02afb7320f5d58d81f83106752e"`
[INFO] running `"docker" "rm" "-f" "c924be54491d11ae200df3f6271af97d6185b02afb7320f5d58d81f83106752e"`
[INFO] [stdout] c924be54491d11ae200df3f6271af97d6185b02afb7320f5d58d81f83106752e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/htmlgrep/0.3.0:/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] f2727957f991c5914c262bfd363d39c8804aa121d8a7bfd9788eca3656345d67
[INFO] running `"docker" "start" "-a" "f2727957f991c5914c262bfd363d39c8804aa121d8a7bfd9788eca3656345d67"`
[INFO] [stderr]    Compiling htmlgrep v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> flag.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 b'0'...b'9' => {}
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> flag.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 b'0'...b'9' => i64::from(b - b'0'),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> result.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> css.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 let mut file = File::open(path.clone()).map_err(|e| (e, path.clone()))?;
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0382]: use of moved value: `matches`
[INFO] [stderr]    --> css.rs:211:36
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn print_count(matches: htmlgrep::Matches, opts: Options) {
[INFO] [stderr]     |                ------- move occurs because `matches` has type `htmlgrep::Matches`, which does not implement the `Copy` trait
[INFO] [stderr] 209 |     match opts.max {
[INFO] [stderr] 210 |         Some(n) if matches.count() > n => print!("{}{}", n, opts.separator),
[INFO] [stderr]     |                    ------- value moved here
[INFO] [stderr] 211 |         Some(_) | None => print!("{}{}", matches.count(), opts.separator),
[INFO] [stderr]     |                                          ^^^^^^^ value used here after move
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> grep.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 let mut raw_source = node.to_string();
[INFO] [stderr]    |                     ----^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "f2727957f991c5914c262bfd363d39c8804aa121d8a7bfd9788eca3656345d67"`
[INFO] running `"docker" "rm" "-f" "f2727957f991c5914c262bfd363d39c8804aa121d8a7bfd9788eca3656345d67"`
[INFO] [stdout] f2727957f991c5914c262bfd363d39c8804aa121d8a7bfd9788eca3656345d67
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/htmlgrep/0.3.0:/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] 4e5db17bff233c1b5110e3ba4587368a8ab5869545b1a17681bca4755c6c775d
[INFO] running `"docker" "start" "-a" "4e5db17bff233c1b5110e3ba4587368a8ab5869545b1a17681bca4755c6c775d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/htmlgrep-c7a931c00a0933e7
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test flag::tests::test_first ... ok
[INFO] [stdout] test flag::tests::test_flag ... ok
[INFO] [stdout] test flag::tests::test_empty ... ok
[INFO] [stdout] test flag::tests::test_stdin ... ok
[INFO] [stdout] test flag::tests::test_present ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/css-f3371704400d9217
[INFO] [stdout] test flag::tests::test_line_overflow ... ok
[INFO] [stderr]    Doc-tests htmlgrep
[INFO] [stdout] test flag::tests::test_free ... ok
[INFO] [stdout] test flag::tests::test_option ... ok
[INFO] [stdout] test flag::tests::test_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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] [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" "4e5db17bff233c1b5110e3ba4587368a8ab5869545b1a17681bca4755c6c775d"`
[INFO] running `"docker" "rm" "-f" "4e5db17bff233c1b5110e3ba4587368a8ab5869545b1a17681bca4755c6c775d"`
[INFO] [stdout] 4e5db17bff233c1b5110e3ba4587368a8ab5869545b1a17681bca4755c6c775d